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    Wyświetlanie 1-42 z 42
    Tytuł:
    Distribution of juniper stands and the impact of environmental parameters on growth in the drought-stressed forest-steppe zone of Central Anatolia
    Autorzy:
    Kahveci, G.
    Alan, M.
    Köse, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077936.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Dendrochronology
    dendroecology
    tree-ring width
    exposure
    Opis:
    Juniper is one of the three main tree species in Central Anatolia, where it grows under extreme environmental conditions. Although dendrochronological studies of juniper are challenging because of cross-dating problems, these types of studies on long-lived tree species have the potential to provide long time series, which reflect changes in climatic conditions. Juniper has been neglected as a scientific research subject in Turkey due to degraded populations and low economic expectations. This study analysed the distribution and present state of Juniperus spp. (Juniperus excelsa M. Bieb., Juniperus oxycedrus L., and Juniperus foetidissima Willd.) stands and used dendrochronological data to examine relationships between growth and environmental parameters. We hypothesised that there may be differences in the radial growth of juniper in areas of different exposure in drought regions. During a field survey, we sampled 31 plots of 25 m × 20 m and data, including information on wood cores, were collected. For dendrochronological investigation, 95 wood cores were manually measured and cross-dated. Residual chronologies of tree-ring width series of juniper from four wind directions and regional chronology of Kirikkale and Ankara Province were provided and similarities between the chronologies were tested using Gleichläufigkeits test. The relationships be- tween climate parameters and growth were examined using a simple correlation analysis and multiple lin- ear regression model analysis in SAS 9.0 program and response function analysis in the DENROCLIM2002 program. The results of this study indicated that Juniperus spp. in Central Anatolia are sensitive to envi- ronmental parameters and mainly respond to changes in precipitation. Juniper show differences in radial growth in areas of different exposure in drought regions. We conclude that juniper may offer an excellent opportunity for large-scale dendrochronological and dendroecological studies in drought regions.
    Źródło:
    Dendrobiology; 2018, 80; 61-69
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of climatic conditions on annual tree ring growth of the Platanus x hispanica "Acerifolia" under urban conditions of Szczecin
    Autorzy:
    Cedro, A
    Nowak, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/41154.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Szczecin city
    Zeromski Park
    London planetree
    tree population
    Platanus x hispanica
    urban condition
    climate condition
    tree ring width
    annual tree ring growth
    Opis:
    Szczecin harbours Poland’s largest London plane tree population. The London plane trees growing in Szczecin’s Żeromski Park were subjected to dendroclimatological research (analyses of signature years and response function). The study was based on a composite site chronology, signed ZER, spanning 105 years (1900–2004); the mean annual tree ring growth was 2.59 mm. Precipitation, particularly that in late winter- early spring and in the summer months was found to be a factor decisive for the tree’s cambial activity. A high sum of precipitation during the periods mentioned induced positive growth responses in the trees. Thermal conditions during the growth period proved to be another factor controlling the annual tree ring growth, as shown by linear relationships. The tree ring growth-climate relationships in the population under study as well as the between-parks differences in the London plane tree response can be explained by differences in habitat conditions. The trees under study grow in the vicinity of a busy, frequently repaired street and are surrounded by pavement and/or hardened road surface, which greatly limits the infiltration of moisture supplied by precipitation.
    Źródło:
    Dendrobiology; 2006, 55; 11-17
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Two centuries-long dendroclimatic reconstruction based on Low Arctic Betula pubescens from Tromsø Region, Northern Norway
    Autorzy:
    Migała, Krzysztof
    Opała, Magdalena
    Owczarek, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2046804.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    birch
    dendroclimatology
    temperature reconstruction
    tree-ring chronology
    Źródło:
    Polish Polar Research; 2016, 37, 4; 457-476
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Verification of forecasts of periodic changes in the climate of Warsaw in the period 1779-2010
    Autorzy:
    Boryczka, Jerzy
    Stopa-Boryczka, Maria
    Kossowska-Cezak, Urszula
    Wawer, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/2035809.pdf
    Data publikacji:
    2012-12-28
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Air temperature
    Wolf numbers
    period
    interference
    forecast
    tree ring
    Opis:
    The air temperatures recorded at Warsaw-Okęcie in 1951-2010 were compared with forecasts for the period 1980-2010 and 1991-2010, i.e. 31 and 20 years ahead. Accurate predictions of air temperatures in Warsaw in 1980-2010 were calculated using the cycles identified by applying the sinusoidal regression method to a series of monitoring results obtained in Warsaw between 1779 and 1979. The high accuracy of these forecasts is the result of a similar progression of measured and forecast values over a number of years. The prediction of climate change in the Northern Hemisphere for example, caused by interference of long solar radiation cycles as well as variations in the concentrations of the δ18O oxygen isotope in the Arctic ice cores, requires a larger series of data points.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2012, 16, 2; 16-22
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dendrochronological record of soil creep and landslide activity – the comparison of tree-ring eccentricity and compression wood (examples from the Kamienne Mts., Poland)
    Autorzy:
    Sitko, Katarzyna
    Wistuba, Małgorzata
    Malik, Ireneusz
    Krąpiec, Marek
    Yu, Ruide
    Zhang, Haiyan
    Powiązania:
    https://bibliotekanauki.pl/articles/2124701.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    dendrochronology
    landslide
    soil creep
    compression wood
    tree-ring eccentricity
    Opis:
    Forested mountain slopes can be simultaneously affected by soil creep and landslide activity, both of which cause the tilting of tree stems, with the result that their dendrochronological record of tree-ring eccentricity and compression wood is potentially similar. There is a need to identify similarities and differences in these records and thus our research aimed to compare patterns of eccentricity and compression wood developed by trees under the impact of soil creep and landslides. We sampled trees growing on a landslide and creeping slopes in the Kamienne Mts., with 21 Norway spruce trees were sampled on each site. We found several main differences between the dendrochronological record of landslide activity and soil creep. On the landslide we found larger number of dendrochronological events, stronger and more variable eccentricity and a similar number of upslope and downslope events. On creeping slopes, upslope eccentricity events predominate, and the number of eccentricity events dated in all trees increases in time. We also compared the utility of eccentricity and compression wood for dating mass movements. They differ in their sensitivity to stem tilting. Thus, in analyses of landslide activity and soil creep activity, it is recommended to include both wood anatomy features.
    Źródło:
    Geology, Geophysics and Environment; 2022, 48, 2; 133--146
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification of meteorological conditions in the growth of Robinia pseudoacacia on the basis of pointer years in urban conditions
    Autorzy:
    Kalbarczyk, Robert
    Ziemiańska, Monika
    Powiązania:
    https://bibliotekanauki.pl/articles/957003.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    air temperature
    rainfall
    dendroclimatology
    tree ring width
    black locusts
    Opis:
    This study assessed changes in air temperature and rainfall during the growth of black locusts (Robinia pseudoacacia L.) in urban conditions in the city of Wroclaw based on pointer years. Materials consisted of 54 wooden discs taken from felled straight-trunked trees at a height of 1.3 m from the ground at four sampling sites in the area of a defunct garden established at the turn of the 20th century. Meteorological indicators were calculated based on monthly data obtained from the Wroclaw meteorological station, part of the national atmospheric monitoring network. Tree ring widths were determined using LINTABTM 6 and TSAP-Win software. A set of meteorological elements describing temperature and rainfall conditions during the growth of the black locusts significantly affecting the tree ring widths, were selected using cluster analysis. Pointer years were defined as the years when a unidirectional change (e.g. an increase) in tree ring width compared to a previous year was observed in at least 75% of the trees. In the multiannual period 1955–2014 we found seven pointer years, comprising three positive years (tree ring wider than in the year before): 1986, 1989, 1996, and four negative years (tree ring narrower than in the year before): 1963, 1983, 1990, 1991. The width of the tree rings were formed under the influence of different unique thermal and rainfall systems each year. Within the groups of positive and negative pointer years, individual months differed in the impact of air temperature and rainfall conditions on tree ring widths.
    Źródło:
    Dendrobiology; 2017, 77; 33-43
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wskaźnika zadrzewienia drzewostanu na wybrane cechy makrostruktury i gęstość drewna świerkowego (Picea abies (L.) Karst.)
    Effect of stand density index on selected features of macrostructure and density of Norway spruce (Picea abies (L.) Karst.) wood
    Autorzy:
    Michalec, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/978906.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    tree−ring width
    latewood proportion
    wood density
    Norway spruce
    Opis:
    The aim of the study was to determine the influence of stand density index on the tree−ring width, latewood proportion and wood density for Norway spruce. Study sites were located as follows: 12 within the north−eastern species range in Poland, 7 in the south−western range, in the Sudety Mts., and 9 in the Carpathians (southern range). Clustering stands according to their stand density index, 10 data groups were established: stand density index values from 0.3 to 1.2. The study plots were 100×100 m squares. On each plot 15 trees were chosen and increment cores were sampled using the Pressler borer. The smoothed cores served for measuring the width of annual rings, latewood zones and the share of latewood as well as for determination of relative wood density. The performed analyses indicate that mean tree−ring width was the highest in trees from stands with density index from 0.3 to 0.8 (with the exception of 0.7), whereas the it was gradually decreasing in stands with index higher than 0.9. The statistically significant differences between the analyzed stands were observed (p<0.0001). The analysis of the influence of stand density index and the width of annual rings revealed significant, negative weak correlation (r=–0.242, p<0.001). In turn, the latewood proportion was the highest in trees from stands characterised by the highest stand density index and the lowest in trees from stands with the lowest one. The differences between analyzed groups of stands were statistically significant (p<0.0001), as well as the correlation which was significant, positive and weak (r=0.269, p<0.001). Wood density was the highest in trees from stands with the highest stand density index (1.1 – 363 kg/m3 i 1.2 – 365 kg/m3) as well as in those from stands characterised by 0.7 density index (369 kg/m3). Significant differences were observed (p<0.0001) only between stand density index 0.3−0.7 and 0.7−0.8. Significant correlation was not observed.
    Źródło:
    Sylwan; 2020, 164, 09; 719-725
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Automation of annual tree increment measurement using vision system
    Autorzy:
    Sioma, J.
    Socha, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/52731.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    automation
    tree
    dendrochronology
    radial increment
    measurement
    vision system
    tree ring
    image analysis
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2016, 59, 196
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Climatic sensitivity of Quercus robur L. in floodplain near Kyiv under river regulation
    Autorzy:
    Netsvetov, Maksym
    Prokopuk, Yulia
    Didukh, Yakiv
    Romenskyy, Maksym
    Powiązania:
    https://bibliotekanauki.pl/articles/956963.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    pedunculate oak
    tree-ring width
    riparian forest
    dendroclimatology
    moving correlation
    Opis:
    Climate change has a significant impact on natural ecosystems, particularly on floodplain forests that are among the most transformed ecosystems in the world. The climate sensitivity of dominant species is likely to play a key role in determining the susceptibility of flooded forests to climate changes. Here, we use dendrochronological approaches and local climate records from 1880 to 2015 to assess the response in pedunculate oak (Quercus robur L.) trees growing in a floodplain of the Dnipro River near Kyiv to climatic variables. Correlation analysis reveals the strongest positive association of the Q. robur tree-ring width chronology with May–June precipitation, May–June temperature, and May self-calibrating Palmers drought severity indices (scPDSI). The moving-window correlation analysis points to positive association with the scPDSI after the 1950s, when local river regulation was implemented. The positive correlation with current March precipitation is the least expected change in the oak growth-to-climate relationship that occurred in the aftermath of human alterations in the local river and regional climate changes. This study discusses the probable ecological consequences and ecophysiological mechanisms of observable climate-to-growth relationships and their temporal stability.
    Źródło:
    Dendrobiology; 2018, 79; 20-33
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A 434-year tree-ring chronology of spruce (Picea abies) with indications of Estonian precipitation
    Autorzy:
    Laanelaid, A.
    Helama, S.
    Eckstein, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/41704.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    dendrochronology
    conifer
    dendroclimatology
    drought
    Norway spruce
    Picea abies
    tree ring
    Estonia
    Opis:
    In this study, an Estonian tree-ring network of Norway spruce (Picea abies (L.) H.Karst.), originating from both living trees and dead wood of construction wood, was used for determining the growth variations over the past 350 years (AD 1657–2009). Regional curve standardization was used to remove the non-climatic growth variations from the individual tree-ring series prior to dendroclimatic analyses to focus on the low-frequency (long-term and -period) growth variations. Previously, the chronology has been shown to correlate markedly well with Estonian precipitation history. Here we further detail this dendroclimatic connection. Correlations between the Estonian precipitation and treerings improved systematically with both the number of meteorological stations included and with the documented technical advances in the network of instrumental weather observations. The observed June precipiation explains roughly 20 percent of the tree-ring variance over the period when the network of weather observations is densest (1946–2009). On decadal and longer scales, the June precipitation explains higher portion of tree-ring variance, roughly 50 percent, over the full instrumental era (1866–2009). Comparison with previously published and similarly standardized tree-ring chronology from south-eastern Finland, based on Scots pine tree-rings, showed that the two chronologies exhibit several coinciding periods of ameliorated and deteriorated growth.
    Źródło:
    Dendrobiology; 2015, 73
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oak (Quercus spp.) response to climate differs more among sites than among species in central Czech Republic
    Autorzy:
    Rybnicek, M.
    Cermak, P.
    Prokop, O.
    Zid, T.
    Trnka, M.
    Kolar, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/41078.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    oak
    Quercus
    plant response
    climatic parameter
    precipitation
    temperature
    tree ring
    Czech Republic
    Opis:
    Climatic parameters are the main environmental factors affecting tree growth. The main aim of the presented study was to determine whether different oak species growing under contrasting environmental conditions show different sensitivity to climatic parameters. Four oak stands with Quercus robur, Quercus petraea, Quercus polycarpa and Quercus dalechampii growing in the same area were evaluated. Standard dendrochronological methods were used for sample preparation, ring width measurements, cross-dating, chronology development, and the assessment of growth-climate response patterns. Although the species grew under different environmental conditions, their local tree-ring chronologies are highly correlated. The radial growth responses to climatic parameters differ slightly, but the response depends more on local site conditions than on the oak species. At the same time, the strongest correlations between radial growth and climatic parameters were identical among species and sites. The amount of water available in the soil was the main climate-dependent factor limiting radial growth. Approximately since the 1990s, the distribution of rainfalls within the growing season has changed at the expense of spring precipitation. The significance of relative soil moisture content during spring for oak growth increased and the significance of summer values decreased.
    Źródło:
    Dendrobiology; 2016, 75
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sycamore maple (Acer pseudoplatanus L.) stands on former agricultural land in the Sudetes – evaluation of ecological value and production potential
    Autorzy:
    Vacek, Stanislav
    Vacek, Zdeněk
    Kalousková, Ivana
    Cukor, Jan
    Bílek, Lukáš
    Moser, W. Keith
    Bulušek, Daniel
    Podrázský, Vilém
    Řeháček, David
    Powiązania:
    https://bibliotekanauki.pl/articles/956977.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    stand structure
    growth dynamics
    production
    climate
    tree-ring analysis
    game damage
    central europe
    Opis:
    Sycamore maple (Acer pseudoplatanus L.) is a fast-growing tree species that produces economically attractive timber, provides ecological services and has high site adaptability, but it is only a minor component of European forests. This paper describes production, structure and diversity of sycamore-dominated forest stands that originated by succession on former agricultural lands in the Orlické hory Mts., the Czech Republic. The partial objectives were to determine impact of climatic factors on the radial growth of sycamore maple and evaluate the effect of game on natural regeneration. The number of sycamore seeds on the ground was on average 9–34 seeds m–2 and seedling mortality reached on average 89% caused by damage of hare and drought. Density of natural regeneration ranged from 1,532 to 4,244 recruits ha–1, but growth dynamic was strongly influenced by ungulate browsing (69%) with the largest losses in sycamore (96%). Analyses of climatic effects showed a significantly close relationship with growth of sycamore in submontane areas, being especially sensitive to extremely dry and cold winters or very high summer temperatures. Radial growth was more significantly influenced by monthly temperatures compared to precipitation, but increasing sum of annual precipitation was main positive driver factor of diameter increment. Radial growth had the strongest relationship with weather conditions in July and October of previous year and March of the current year. Stand volume ranged from 378 to 545 m3 ha–1 at age around 75 years, while sycamore accounted for 32–82%. The horizontal structure of the tree layer was mostly random to aggregated; resembling the clumped spatial pattern of natural regeneration. Besides their wood production, these stands fulfil many ecosystem functions that are associated with high ecological stability, high structural differentiation and medium to high species diversity.
    Źródło:
    Dendrobiology; 2018, 79; 61-76
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibility of identification of negative extreme climatic events using Pinus sylvestris tree-rings in Transdanubia, Hungary
    Autorzy:
    Misi, D.
    Nafradi, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41465.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    identification
    climatic event
    Pinus sylvestris
    Scotch pine
    drought
    tree ring
    Transdanubia region
    Hungary
    Opis:
    Negative climatic extremes occur more frequently in the last decades. Since the Carpathian Basin is highly concerned in their impacts it is important to investigate prior events and estimate the response of the environment to them to get useful information for the future. In our work we selected a stand which is seriously affected by unfavorable summer conditions to examine what kind of fingerprint the negative extreme events have left. We investigated narrow rings and intra-annual density fluctuation to describe years with extreme events. Their stabilized frequency was tested against climatic and groundwater data, as well as against aridity index to determine climate-growth relationships using Pearson and Spearman’s correlations. Our results show positive significant correspondence between summer precipitation and treering growth together with negative connection with summer temperature. The Spearman’s correlation between stabilized frequency of intra-annual density fluctuations, narrow rings and climate data ended with significant relationship in summer. According to the comparison of intra-annual density fluctuation and narrow ring data with drought periods it can be said that narrow rings are better tool for the examination of negative extreme events in summer.
    Źródło:
    Dendrobiology; 2016, 75
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth of Populus tremula on CO2-enriched soil at a natural mofette site
    Autorzy:
    Vejpustkova, M.
    Thomalla, A.
    Cihak, T.
    Lomsky, B.
    Pfanz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/41317.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    plant growth
    Populus tremula
    carbon dioxide
    soil
    root zone
    tree ring
    natural mofette
    mofette site
    aspen
    Opis:
    The main objective of the study was to evaluate inter-annual ring-width variation and cumulative growth of aspen (Populus tremula L.) trees growing on the spots of different soil CO2 concentration at natural mofette site. We hypothesized that growth rate of trees is affected by CO2 concentration within their rooting zone. The study site was situated in the flood plain of Plesná stream near Hartoušov (Western Bohemia). Trees growing in a pure aspen stand were selected according to the CO2-gas regime within their rooting zone. Five high [CO2] trees (10–25% CO2 in the soil) and five low [CO2] trees (up to 3% CO2 in the soil) were sampled. Stem growth analysis of each trunk was carried out to study growth pattern in detail. High and low [CO2] trees significantly differed in a growth rate. At the age of 25 years, the basal area of high [CO2] trees exceeded low [CO2] trees by 39 %. The positive effect of CO2 on annual increment was pronounced particularly in the years with optimal growing conditions. Results suggest that trees can be fertilized not only by elevated atmospheric CO2 but also when fed with CO2 via the roots.
    Źródło:
    Dendrobiology; 2016, 75
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dendrochronological studies of Juniperus communis dying out population in the "Jalowce" reserve (Pomerania)
    Autorzy:
    Cedro, A
    Wrobel, M.
    Jurzyk, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/41065.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    dendrochronology
    juniper
    Juniperus communis
    population
    meteorological condition
    tree ring width
    Jalowce reserve
    Pomeranian region
    Polska
    forest nature reserve
    plant age
    tree
    Opis:
    The aim of undertaken research was recognition the reasons of dying out the common juniper Juniperus communis L. ssp. communis population in the forest nature reserve “Jałowce” (Pomerania). Applied methods of dendrochronological analysis let to determine the age of juniper-stand in the reserve and describe the influence of climatic conditions on its growth. Obtained results testify to Juniperus communis chronology with signature WIE collected from 17 individual sequences which numbered 102 tree ring width and represented a time span 1903 to 2004. Such results described the juniper-stand in the reserve as ageing population with the oldest specimen at age 98 years. However, the last several years were characterised by the lack of strong growth depressions typical for earlier time periods with tree ring width ranged 0.7–1.0 mm (themean annual tree ring width amounted to 0.85 mm), but the visible symptoms of degeneration and dying out of protected common juniper population intensified probably because of its age.
    Źródło:
    Dendrobiology; 2007, 58; 17-23
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth responses of Picea abies to climate in the central part of the Ceskomoravska Upland (Czech Republic)
    Autorzy:
    Rybnicek, M.
    Cermak, P.
    Zid, T.
    Kolar, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/41537.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    growth response
    Picea abies
    Norway spruce
    precipitation
    temperature
    climate
    environmental factor
    tree ring
    biomass
    Ceskomoravska Upland
    Czech Republic
    Opis:
    The aims of the study were to determine the effect of temperatures and precipitation on the ring width and to compare the results with the results of previous studies conducted in other mountain ranges of the Czech Republic. The research was performed in the central part of the Ceskomoravská Upland in the vicinity of Herálec municipality in selected 70- up to 110-year-old spruce stands at altitudes from 680ma.s.l. to 779 m a.s.l. Measuring of tree-ring widths and synchronization of individual ring series were conducted in PAST4. The age trend was removed by ARSTAN and climatic effects were modelled in DendroClim2002. The correlation of tree-ring width with monthly precipitation is positive and statistically significant for July of the previous year and for the entire summer period from June to September of the current year. The correlation of tree-ring width with mean monthly temperatures is negative and statistically significant for July and September and positive and statistically significant for October of the previous year. Negative correlation was also found for temperatures of the entire summer period from June to September of the previous year. The regional tree-ring chronology mainly shows two periods of highly reduced increment: from 1992 to 1996 and from 2003 to the end of the analysed period. The results thus confirm the hypothesis that the tree-ring width is in positive correlation with summer precipitation and negative correlation with summer temperatures. Also the results of the habitual diagnostics have shown a relatively low degree of crown transformation which indicates a weak or short-term stress load.
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The results of the introduction of twisted pine (Pinus contorta) in Bolshoy Solovetsky Island
    Autorzy:
    Sobolev, A.
    Feklistov, P.
    Bolotov, I.
    Barzut, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/2106672.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    forestry
    Bolshoy Solovetsky Island
    twisted pine
    Pinus contorta
    height
    diameter
    tree ring width
    late wood
    assimilation apparatus
    pathology
    Opis:
    In the central part of the Bolshoy Solovetsky Island, in the same type of growing conditions, two plots were created in 1988: the first consisted of twisted pine (Pinus contorta Loud. var. latifolia S. Wats) crops and the second one was of Scots pine (Pinus sylvestris L.). The aim of the study was to establish the morphological parameters of the twisted pine and its growth in the conditions of the Bolshoy Solovetsky Island in comparison with the native species P. sylvestris L. Also, we aimed to identify the features of P. contorta var. latifolia and determine the possibility and necessity of further introduction of the species. The preservation of the twisted pine and scots pine cultures was determined. Accounting trees were selected (62 and 31 trees, respectively), in which morphometric indicators were measured. Wood samples (cores) were taken from them with an age drill to measure radial growth. The radial increment was measured using the MBS-9 microscope and the Lintab device. To measure the increase in height, six medium-sized model trees were cut down. According to the taxation indicators, the two types differed slightly and the differences were most often unreliable. The average height of the twisted pine trees was significantly higher compared to that of Scots pine. The thickness of the bark varied; on average, at the age of 18, it was 1.35 ± 0.038 mm for twisted pine and 1.86 ± 0.095 for Scots pine, that is, the native pine bark was 38% thicker. Typical for twisted pine were a significant number of pathologies noted in 22% of the studied trees. Twisted pine was distinguished by a stronger development of the assimilation apparatus: the number of branches of the first order, the number of branches in the whorl, the life span of needles. An increase in radius (the width of the annual ring) was observed at 14–15 years, and then with age, the value decreased in twisted pine and remained at a consistently high level in Scots pine. The width of the late zone of the annual ring was 12% in Scots pine and 14% in twisted pine; but at a young age, the late wood in twisted pine was very small. The increase in height of the twisted pine was on average less than that of Scots pine. The dependence of the trunk volume on the diameter was almost identical in both species.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2022, 64, 1; 1-6
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Klimatyczne uwarunkowania przyrostu radialnego daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco) rosnącej na obszarze Polski
    Climatic conditions of the radial increment of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in Poland
    Autorzy:
    Feliksik, E.
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024148.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    czynniki klimatyczne
    przyrosty radialne
    Pseudotsuga menziesii
    Polska
    daglezja zielona
    lesnictwo
    drzewa lesne
    dendroklimatologia
    pseudotsuga menziesii
    tree−ring
    dendroclimatology
    poland
    Opis:
    This paper descibes a study on relationships between radial increments of Douglas fir trees and such climatic factors as air temperature and precipitation. The described research encompasses analyses of 50 partial populations of the species growing in Poland.
    Źródło:
    Sylwan; 2004, 148, 12; 31-38
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przykład wykorzystania analizy dendrochronologicznej w datowaniu obudów górniczych w Kopalni Soli w Bochni
    An Example of Application of Dendrochronological Analysis for Dating of Timbers from the Bochnia Salt Mine
    Autorzy:
    Szychowska-Krąpiec, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026772.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    dendrochronologia
    drewno kopalniane
    Kopalnia Soli Bochnia
    datowanie
    kopalnie soli
    obudowy drewniane
    tree−ring analysis
    timber
    salt mine
    bochnia
    poland
    Opis:
    The presented study deal with the dendrochronological dating of wood sampled from timbering in the Bochnia salt mine. The exact dates of felling trees that had been used for timbering were determined by applying the tree−ring analysis for wood from three mining chambers: the Passionis chapel, the Mysiur stable and the Rabsztyn chamber. It transpired that the analysed timbers originated from different periods representing the time interval between the seventeenth and nineteenth centuries. The wood from the Passionis chapel was dated 1652 while that from the Rabsztyn chamber comes from the eighteen century and from the Mysiur stable – from the eighteen and nineteen centuries.
    Źródło:
    Sylwan; 2003, 147, 09; 47-52
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Telekoneksja chronologii przyrostów radialnych daglezji (Pseudotsuga menziesii (Mirb.) Franco). Ogólnopolski oraz regionalne wzorce przyrostowe
    Teleconnectionof tree-ring increment chronologies of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco). Nationwide and regional increment patterns
    Autorzy:
    Feliksik, E.
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024096.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    przyrosty radialne
    telekoneksja
    dendrochronologia
    Pseudotsuga menziesii
    Polska
    daglezja zielona
    lesnictwo
    wzorce przyrostowe
    drzewa lesne
    pseudotsuga menziesii
    poland
    teleconnection
    tree−ring
    Opis:
    This paper provides analyses of the similarity of the Douglas fir tree−ring radial increment rhythm across Poland and describes efforts to elaborate regional increment patterns and the nationwide chronology for the species.
    Źródło:
    Sylwan; 2004, 148, 12; 14-22
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regiony dendroklimatyczne daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco) w Polsce
    Dendroclimaticregions for Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in Poland
    Autorzy:
    Feliksik, E.
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024120.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    przyrosty radialne
    Pseudotsuga menziesii
    Polska
    daglezja zielona
    lesnictwo
    regiony dendroklimatyczne
    drzewa lesne
    dendroklimatologia
    pseudotsuga menziesii
    poland
    dendroclimatic regions
    tree−ring
    Opis:
    The paper is dedicated to the research on causes of differentiation of the incremental rhythm of Douglas fir trees and to the attempt to isolate the dendroclimatic regions of the species in Poland.
    Źródło:
    Sylwan; 2004, 148, 12; 23-30
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lata wskaźnikowe daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco) na obszarze Polski
    Signature years of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in Poland
    Autorzy:
    Feliksik, E.
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024131.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    przyrosty radialne
    lata wskaznikowe
    Pseudotsuga menziesii
    Polska
    daglezja zielona
    lesnictwo
    drzewa lesne
    dendroklimatologia
    pseudotsuga menziesii
    poland
    signature years
    tree−ring
    Opis:
    This paper descibes a regional and transregional signature year occurrence for Douglas fir trees in Poland. The signature year record was elaborated for the 1900−2000 period based on 1250 radial increments.
    Źródło:
    Sylwan; 2004, 148, 12; 39-47
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przyczyny krótkookresowych reakcji przyrostowych sosen z różnych siedlisk
    Causes of the short-term incremental reactions of Scots pine growing at different sites
    Autorzy:
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/993422.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    sosna zwyczajna
    Pinus sylvestris
    dendroklimatologia
    przyrosty radialne
    reakcje przyrostowe
    czynniki meteorologiczne
    tree−ring
    dendroclimatology
    scots pine
    forest site type
    Opis:
    In homogeneous climate conditions Scots pine trees at different sites have similar short−term incremental rhythm. It was determined by the temperature of early spring and precipitation in June. Differences in the growth pattern are caused by various sensitivities of pines from different habitats to the temperature in May and precipitation in February and April of the current year.
    Źródło:
    Sylwan; 2013, 157, 09; 662-670
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Datowanie dendrochronologiczne drewna z obudów górniczych w kopalni złota w Złotym Stoku
    Dendrochronological dating of timbers wood in the gold mine from Złoty Stok
    Autorzy:
    Szychowska-Krąpiec, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022706.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drewno sosnowe
    Kopalnia Zlota Zloty Stok
    dendrochronologia
    drewno kopalniane
    drewno jodlowe
    datowanie
    lesnictwo
    tree−ring analysis
    dating
    spruce
    fir
    scots pine
    mine
    Opis:
    The research carried out was aimed at dendrochronological analysis of old timbers from the Gold Mine in Złoty Stok. The analysis resulted in 15 absolute datings of timbers of two tree species: Scots pine and fir. The established data fell into four last centuries. The oldest date, after 1667 AD, was obtained for fir wood from timbering of a shaft in the Masters' Adit (sztolnia Mistrzów), whereas the youngest one, after 1941 AD – for pine wood from the Prince's Adit.
    Źródło:
    Sylwan; 2005, 149, 12; 53-59
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ trzebieży na przyrost radialny dębu w Nadleśnictwie Międzyrzec
    Effect of thinning on radial increment of oak in Miedzyrzec Forest District
    Autorzy:
    Sacewicz, W.
    Bijak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/985716.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    dab
    Quercus
    reakcje przyrostowe
    przyrosty radialne
    zabiegi hodowlane
    trzebieze
    Nadlesnictwo Miedzyrzec
    quercus sp.
    tree−ring analysis
    silvicultural treatment
    increment response
    Opis:
    The intermediate cuttings have an important impact on the stand structure and productivity. Choosing the right method of the treatment performance is the decision, which is fundamental in shaping tree stands stability. The radial increment, apart from the natural growth potential of particular species, is influenced by many abiotic, biotic and anthropogenic factors, among which one can distinguish those that influence it directly, e.g. thinning. The study objective was to determine the effect of silvicultural treatments on the increment reaction of oak (Quercus sp.) stands in the Międzyrzec Forest District (eastern Poland). The empirical material was collected in six forest stands located in the Witoroż forest range. In each stand we cored 10 dominant and co−dominant trees (representing 1st and 2nd Kraft’s biosocial classes). After the measurements of the tree−ring widths and the synchronization of incremental series, the raw and standard chronologies were elaborated for each stand. In total, we analysed 8 treatments: six early and one late selection thinnings, and one late salvage thinning (tab. 1). For each treatment, three− and five−years’ value of mean tree−ring width was calculated for the period before and after the cut. Additionally, we calculated the incremental response parameters: recovery (Rc), resilience (Rs) and resistance (Rt) indices. For the majority of the analysed treatments, the cuts resulted in an increase in average tree−ring width both in the 3−, and 5−years perspective. However, statistically significant changes in this parameter occurred only in a few cases (fig. 2). The average values of incremental response indicators show that the investigated oak stands are characterized by a significant adaptive capacity and a rapid recovery of incremental capacity in the analysed time spans. At the same time, the low values of Rt index suggest that their growth resistance to disturbance caused by the thinning is rather low. The age of the stand at the time of the treatment significantly affected the incremental response parameters of the examined oaks. The older the stand, the incremental response was less intense.
    Źródło:
    Sylwan; 2019, 163, 08; 645-654
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pionowe strefy oraz piętra dendroklimatyczne w Beskidach Zachodnich
    Altitudinal dendroclimatic zones and belts in the Beskidy Zachodnie Mountains
    Autorzy:
    Wilczyński, S.
    Szymański, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/991002.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendroklimatologia
    drzewa lesne
    swierk pospolity
    Picea abies
    przyrosty roczne
    czynniki klimatyczne
    pietra dendroklimatyczne
    Beskidy Zachodnie
    tree ring
    dendroclimatic belts
    picea abies
    beskidy zachodnie mountains
    Opis:
    The aim of this study was to investigate differences in radial increment reaction of Norway spruces from the Beskidy Zachodnie Mountains (S Poland). Spruce stands were located at different altitudes and slope aspect. Two altitudinal zones were distinguished by a separating altitude of 900 m a.s.l. The dendrochronological belts, consistent in terms of radial increment, amount to 200−250 m in the lower zone, and narrow down to ca. 100 m in the upper one. Factor differentiating radial increment of spruces at various altitudes was temperature in September of previous year as well as precipitation in March and June of current year.
    Źródło:
    Sylwan; 2014, 158, 06; 463-472
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sygnał klimatyczny w słojach Picea sitchensis (Bong.) Carriere oraz Pseudotsuga menziesii (Mirb.) Franco
    Climatic signal in tree-rings of Picea sitchensis [Bong.] Carr. and Pseudotsuga menziesii [Mirb.] Franco
    Autorzy:
    Feliksik, E.
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1015609.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Pseudotsuga menziesii
    sloje przyrostu rocznego
    daglezja zielona
    swierk sitkajski
    lesnictwo
    dendroekologia
    Picea sitchensis
    reakcje przyrostowe
    dendroklimatologia
    drzewa lesne
    pseudotsuga menziesii
    picea sitchensis
    dendroclimatology
    dendroecology
    tree−ring
    Opis:
    Paper presents the results of dendroclimatological investigation on over−centennial populations of Douglas fir and Sitka spruce growing in Polish part of the Baltic Sea shore.
    Źródło:
    Sylwan; 2008, 152, 06; 3-13
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie alternatywnych metod przetwarzania danych w analizie dendroklimatologicznej modrzewia Larix decidua Mill. z Polski południowej
    Alternative methods of data processing in dendroclimatological analysis of larch Larix decidua Mill. from southern Poland
    Autorzy:
    Danek, M.
    Danek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/973808.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    analiza dendroklimatyczna
    dendroklimatologia
    Larix decidua
    modrzew europejski
    przetwarzanie danych
    szeregi czasowe
    leśnictwo
    drzewa leśne
    słoje przyrostu rocznego
    tree ring analysis
    latewood
    earlywood
    dendroclimatology
    larix decidua mill.
    data processing
    Opis:
    The aim of this study was to assess the impact of climatic factors (temperature and precipitation) on tree ring width of larches from stands localised in southern part of Poland. Total ring as well as early− and latewood widths were taken in consideration. At the beginning authors used only standard processing and methods. Classic approach were insufficient to make some data useful for the correlation analysis, so authors decided to use more robust, custom methods.
    Źródło:
    Sylwan; 2011, 155, 03; 147-158
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Standardy dendrochronologiczne sosny zwyczajnej (Pinus sylvestris L.) i dębu szypułkowego (Quercus robur L.) z północno-wschodniej Polski
    Dendrochronological standards of Scots pine (Pinus sylvestris L.) and English oak (Quercus robur L.) from north-eastern Poland
    Autorzy:
    Krąpiec, M.
    Szychowska-Krąpiec, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024214.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Polska Polnocno-Wschodnia
    dendrochronologia
    Quercus robur
    sosna zwyczajna
    lesnictwo
    dab szypulkowy
    standardy dendrochronologiczne
    Pinus sylvestris
    drzewa lesne
    pine
    oak
    tree−ring analysis
    local and regional chronologies
    ne poland
    Opis:
    The study presents results of dendrochronological analyses of Scots pine (162 trees) and English oak (97 trees) from 13 research plots located in NE Poland. The investigations resulted in construction of local chronologies (six for oak and seven for pine), which in turn enabled to define new regional chronologies; 2_NE_PL for pine, covering the period 1738−2003 AD, and Q_NE_PL for oak, 308−year long (1696−2003 AD). The elaborated chronologies allow for absolute dating of wood and yield new data on the extent of dendrochronological signal.
    Źródło:
    Sylwan; 2004, 148, 07; 11-19
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Redukcja przyrostów rocznych daglezji zielonej i sosny pospolitej w zależności od warunków termiczno-pluwialnych w Nadleśnictwie Kędzierzyn
    Reduction of Douglas fir and Scots pine radial increments depending on thermal and pluvial conditions in Kedzierzyn Forest District
    Autorzy:
    Ziemiańska, M.
    Kalbarczyk, R.
    Bilous, A.
    Leshchenko, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/979478.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendroklimatologia
    drzewa lesne
    daglezja zielona
    Pseudotsuga menziesii
    sosna zwyczajna
    Pinus sylvestris
    przyrosty roczne
    redukcja przyrostu
    warunki termiczno-opadowe
    Nadlesnictwo Kedzierzyn
    dendroclimatology
    pseudotsuga menziesii
    pinus sylvestris
    tree−ring reductions
    Opis:
    The main objective of the research was to evaluate the incremental response of Douglas fir and Scots pine subjected to strong environmental stress to variable thermal and precipitation conditions. We also attempted to determine periods of tree−ring width reduction caused by strong anthropopressure associated with the activities of nearby industrial plants, which are burdensome for the environment. The studied forest stands are located in the Kędzierzyn Forest District, in Kotlarnia forestry (50°27'59'N, 18°38'42'E) approximately 8 km away from the nitrogen production plants. We used standard methodology applied in the dendrochronological studies with the support of the TSAP−Win, Cofecha, Arstan and Quercus 06.01 softwares. We found that Douglas fir and Scots pine stands growing in the permanently damaged zone due to the adverse effects of industry responded to meteorological conditions in a manner typical of the species. In the study of the relationship between weather and growth, thermal and precipitation conditions were more important in the current year than in the year preceding the increment. A similar distribution of reductions and periods of partial regeneration in both species were also observed. In the same multi−annual period of 1961−1991 deeper reductions of annual increments were observed in Douglas fir (>70%) than in Scots pine (in the range of 50−70%). Conditions, in which trees grew in the Kędzierzyn Forest District, contributed to the decrease in annual increments of both Douglas fir and Scots pine, while the previous species turned out to be a more sensitive one, which had been indicated by other researchers ealier.
    Źródło:
    Sylwan; 2019, 163, 03; 198-208
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Krótkookresowe reakcje przyrostowe jodły, świerka i sosny rosnących w jednorodnych warunkach siedliskowych
    Short-term incremental response of silver fir, Norway spruce and Scots pine growing in uniform habitat conditions
    Autorzy:
    Wilczyński, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/991702.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendroklimatologia
    drzewa lesne
    jodla pospolita
    Abies alba
    swierk pospolity
    Picea abies
    sosna zwyczajna
    Pinus sylvestris
    przyrosty radialne
    reakcje przyrostowe
    dendroclimatology
    abies alba
    picea abies
    pinus sylvestris
    tree−ring
    central poland
    Opis:
    Study was performed in multi−species stand located in the Świętokrzyski National Park (central Poland). Silver fir, Norway spruce and Scots pine trees that grew in a uniform habitat conditions were selected. The trees showed the differences and similarities of changes of the size of radial increment, which result from species−specific sensitivity to selected meteorological elements.
    Źródło:
    Sylwan; 2013, 157, 06; 442-452
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ działalności przemysłowej na drzewostany sosnowe w rejonie Tarnobrzega w świetle analizy dendrochronologicznej
    The influence of industry on Scots pine stands in the Tarnobrzeg area on the basis of dendrochronological analysis
    Autorzy:
    Barniak, J.
    Krąpiec, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009636.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Tarnobrzeski Okreg Przemyslowy
    lesnictwo
    drzewostany sosnowe
    dendrochronologia
    zanieczyszczenia przemyslowe
    oddzialywanie na srodowisko
    tereny przemyslowe
    sosna zwyczajna
    przyrosty roczne
    Pinus sylvestris
    tree−ring analysis
    industrial pollution
    pinus sylvestris
    tarnobrzeg region
    se poland
    Opis:
    Tree−ring analysis has been used to evaluate the influence of industrial pollution on Scots pine (Pinus sylvestris) growing in the Tarnobrzeg region. 237 samples were taken from stands located in two profiles to picture dependence of health conditions of trees on distance from the emitter. The Tarnobrzeg Sulphur Works was the main source of pollution in that region. Factories in Mielec and Nowa Dęba as well as the Połaniec Power Plant could be additional sources of emission. Response of trees to anthropogenic stress was clearly visible in the years 1970−1990, when growth reductions occurred at the majority of the investigated trees. At the beginning of 1990s the decreasing trend stopped and wider tree−rings could be observed.
    Źródło:
    Sylwan; 2009, 153, 12; 825-835
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ żeru szrotówka kasztanowcowiaczka (Cameraria ohridella Deschka&Dimic) na szerokość słojów rocznych kasztanowca białego (Aesculus hippocastanum L.)
    Effect of horse-chestnut leaf-miner [Cameraria ohridella Deschka and Dimic] outbreak on tree-ring widths of white horse-chestnut [Aesculus hippocastanum L.]
    Autorzy:
    Bednarz, B.
    Scheffler, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012840.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    szrotowek kasztanowcowiaczek
    dendrochronologia
    kasztanowiec zwyczajny
    oddzialywanie na rosliny
    szkodniki roslin
    zerowanie
    lesnictwo
    Cameraria ohridella
    przyrosty radialne
    szerokosc
    sloje przyrostu rocznego
    drzewa
    Aesculus hippocastanum
    tree−ring widths
    horse chestnut leaf−miner
    outbreak
    dendrochronology
    Opis:
    Tree−ring chronologies were created for infested by the horse chestnut leaf−miner horse chestnut trees from Kleparski Park and Rakowicki Cemetery in Kraków. Radial growth depression was observed during the outbreak. Statistically significant differences in tree−ring widths during and before an outbreak were found only for chestnut trees from Kleparski Park. The different resistance to chestnut leaf−miner feeding was observed on trees originated from distinct urban growth condition of Krakow.
    Źródło:
    Sylwan; 2008, 152, 07; 53-66
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strukturalne i funkcjonalne modyfikacje drewna pni zamierających jesionów (Fraxinus excelsior)
    Structural and functional modifications in xylem of declining European ashes (Fraxinus excelsior)
    Autorzy:
    Tulik, M.
    Marciszewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/991513.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    jesion wyniosly
    Fraxinus excelsior
    zamieranie drzew
    drzewa zamierajace
    drzewa zdrowe
    sloje przyrostu rocznego
    szerokosc
    drewno wczesne
    zmiany strukturalne
    zmiany funkcjonalne
    fraxinus excelsior
    decline
    earlywood vessels
    hydraulic conductivity
    tree−ring
    Opis:
    The anatomy and functioning of stem secondary xylem in relation to the decline of European ash (Fraxinus excelsior L.) was examined and the hypothesis that declining trees show changes in the structure of wood, resulting in impaired water transport was tested. Anatomical analyses were carried out on samples comprising annual rings formed between 1970 and 2009 and collected at the breast height of the main stem of fifteen trees 40−90 years old. Trees were based upon health condition and classified as healthy, weakened or dead. Tree−ring widths as well as diameter and density of earlywood vessels were measured and the theoretical hydraulic conductivity index through the secondary xylem calculated by application of Hagen−Poisseuille formula. Over the whole investigated period the smallest early vessels were attribute to ashes dead at the time of sampling. In the period when dieback symptoms where manifested in the stand, the diminishment of vessels diameter occurred in weakened and eventually dead trees, whereas healthy trees produced even slightly larger vessels than before. Having large vessels implies that healthy trees were able to keep high hydraulic conductivity index, whereas trees in decline at this time produce smaller vessels and hence had reduced conductivity in respect to previous.
    Źródło:
    Sylwan; 2013, 157, 04; 288-297
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ działalności przemysłowej na szerokość przyrostów rocznych sosen (Pinus sylvestris L.) w rejonie Olkusza
    The influence of industry on the tree-ring width of pines [Pinus sylvestris L.] living in the Olkusz region
    Autorzy:
    Danek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013368.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    szerokosc
    rejon Olkusza
    zanieczyszczenia przemyslowe
    tereny przemyslowe
    sloje przyrostu rocznego
    czynniki antropogeniczne
    sosna zwyczajna
    lesnictwo
    zanieczyszczenia powietrza
    Pinus sylvestris
    drzewa lesne
    tree−ring analysis
    abrupt growth changes
    influence of industry
    pinus sylvestris
    olkusz region
    Opis:
    Tree−ring analysis of pine stands living under the influence of industry in south−eastern part of Silesia−Krakow Upland was performed for the last years. Now the new transect was added in the Olkusz region. Previous studies showed the distinct relationship between number of trees with observed reductions and distance from main source of pollution it this region. On the sites localised nearest to zinc−works "Bolesław" the value and the duration of reduction periods were the biggest. On the sites of new transect (OL VI) situated to the north from site OL 15, the influence of zinc−works is rather uncertain. Because of the time of occurrence and the distance form zinc−work, the reductions observed here seem to be the reaction to the other factor – perhaps the local source of pollution. To explain this matter further studies in this region should be done.
    Źródło:
    Sylwan; 2008, 152, 11; 56-62
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Klimatyczne uwarunkowania przyrostu na grubość świerka (Picea abies (L.) H. Karst.) z regionu Parku Narodowego Ormtjernkampen w Norwegii
    Effect of climatic conditions on the width increment in Norway spruce (Picea abies (L.) H. Karst.) from the Ormtjernkampen National Park in Norway
    Autorzy:
    Muter, E.
    Bednarz, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026401.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    czynniki klimatyczne
    przyrost na grubosc
    Norwegia
    sloje przyrostu rocznego
    park Narodowy Ormtjernkampen
    grubosc
    Picea abies
    lesnictwo
    dendroklimatologia
    swierk pospolity
    drzewa lesne
    picea abies
    tree−ring analysis
    radial increment
    dendroclimatology
    ormtjernkampen national park
    norway
    scandinavia
    Opis:
    A local tree ring chronology for Norway spruce from the Ormtjernkampen National Park in Norway has been developed for the years 1808−1996. The widths of annual tree rings are shown as absolute [mm] and standardised values. The dendroclimatic analyses have demonstrated that high June−July air temperatures and atmospheric precipitation in January have a stimulatory effect on ring formation. The high air temperatures of April in the current year and of June and September in the year prior to ring formation have a limiting effect on radial increment.
    Źródło:
    Sylwan; 2003, 147, 03; 47-56
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie metod dendrochronologicznych oraz spektrometrycznych w monitorowaniu drzewostanów sosnowych na obszarach przemysłowych
    Application of dendrochronology and mass spectrometry in bio-monitoring of Scots pine stands in industrial areas
    Autorzy:
    Sensuła, B.M.
    Wilczyński, S.
    Piotrowska, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/989354.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tereny przemyslowe
    zanieczyszczenia przemyslowe
    oddzialywanie na rosliny
    reakcje przyrostowe
    monitoring
    metody badan
    drzewostany sosnowe
    sosna zwyczajna
    Pinus sylvestris
    przyrost drzew
    analiza dendrochronologiczna
    analiza izotopowa
    scots pine
    bio−monitoring
    tree−ring
    isotopes
    pollution
    łaziska górne power plant
    Opis:
    The main aim of this study was to analyze the variability of width as well as content of stable oxygen and carbon isotopes, and radiocarbon in Pinus sylvestris L. tree rings. Analysed Scots pine stand grew on the fresh mixed coniferous forest habitat type on site located in the vicinity of the power plant in Łaziska Górne (southern Poland). The combined usage of tree ring width and isotopic data allowed to identify how investigated trees have adapted to the pollution. Strong increase of industrial pollution emission was noted on the investigated site between 1960s and 1980s. During that time, the trees reduced their radial incement and the heterogeneity of their reaction increased, whereas their sensitivity to short−term impulses to changes in the environment conditions weakened. We observed depletion rates of 14C and δ13C concentration in α−cellulose related to the CO2 emission into the atmosphere in the processes associated with the fossil fuels combustion. Prior to 2000, a decrease in stomatal conductivity was associated with a minor changes in the net photosynthesis rate and that elevated CO2 increased intrinsic water use efficiency (approximately by 40%).
    Źródło:
    Sylwan; 2016, 160, 09; 730-740
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmienność wybranych cech makrostruktury i gęstości drewna świerkowego (Picea abies (L.) Karst.) z regla dolnego i górnego
    Variability of selected macrostructural features and density of Picea abies (L.) Karst. wood from lower and upper subalpine forest zones
    Autorzy:
    Michalec, K.
    Wąsik, R.
    Barszcz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/989498.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wysokosc nad poziomem morza
    lesnictwo
    lasy gorskie
    regiel gorny
    regiel dolny
    drzewa lesne
    swierk pospolity
    Picea abies
    drewno swierkowe
    drewno pozne
    gestosc drewna
    sloje przyrostu rocznego
    szerokosc
    czynniki siedliska
    tree−ring width
    latewood share
    height above mean sea level
    Opis:
    The paper compares the properties of Norway spruce (Picea abies (L.) Karst.) wood from stands growing in the lower and upper subalpine forest zone in terms of the tree−ring width, the share of latewood and the wood density. The investigation concerned material originating from plots established within the boundaries of the south−western incidence of spruce in Poland. Plots were located in the Sudety Mts. and in the Carpathians (tab. 1). On each plot fifteen Norway spruces were chosen and increment cores were sampled using the Pressler borer. The surface of the cores was smoothed and the tree−ring width was measured. The latewood zones were determined and the share of latewood was calculated. Then, the cores were divided into 2 cm sections, for which the relative wood density was determined. Tree−rings were wider in trees growing in the lower when compared with those from the upper subalpine forest zone (tab. 2). Weak negative correlation was revealed between the elevation and the tree−ring width (r=–0.308). The latewood share was slightly higher in trees from the upper than those from the lower subalpine forest zone (tab. 2). However, no statistically significant correlation between the latewood share and elevation was recorded. The wood density was slightly lower in trees from the lower than those from the upper subalpine forest zone (tab. 2), but the difference was not statistically significant. The correlation between the wood density and the elevation turned out to be insignificant.
    Źródło:
    Sylwan; 2016, 160, 10; 855-860
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cooling and warming of climate of the Earths Northern Hemisphere (on the basis of fluctuations of the oxygen isotope δ18O and dendrological data)
    Autorzy:
    Boryczka, Jerzy
    Stopa-Boryczka, Maria
    Unton-Pyziołek, Arleta
    Gieszcz, Piotr
    Miłaszewska, Małgorzata
    Powiązania:
    https://bibliotekanauki.pl/articles/2034147.pdf
    Data publikacji:
    2010-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    isotope δ18O
    Devon Island
    Pinus sylvestris
    Picea abies
    tree the ring widths
    solar radiation
    periods
    moment of inertia of planets
    mass momentum of largest planets
    forecast
    Opis:
    Content fluctuations of the oxygen isotope δ18O in the Devon Island ice core during the last 100 000 years are a measure of climate fluctuations in the Northern Hemisphere. The course of content of the oxygen isotope δ18O and the sums of solar radiation reaching the upper edge of the atmosphere are characterized by approximate minima and maxima (by positive correlation). This proves that, during the last hundred thousand years, climate fluctuations (cooling and warming) in the Northern Hemisphere were conditioned by long-term changes of the orbit and altitude of the Earth's axis. Climate fluctuation forecasts for the Northern Hemisphere were developed for the next 40 000 years on the basis of the established periods of change of the oxygen isotope δ18O and the known solar radiation periodicity. Climate changes in Europe during the last 25000 years were presented together with a forecast for 1000 years (according to organic substances in deposits and radiation) as well as climate changes in Europe in the period from -500 years BP to 2100 AD (according to δ18O and pine tree-rings). It showed that climate changes depended on the concentration of planet mass in relation to the ecliptic plane (from the gravitational impact of planets on the Sun). Concentration courses of planet mass in the Solar System and climate fluctuations in the Northern Hemisphere were compared. Of interest are examples of synchronic fluctuations, i.e. dispersal of planet mass in the Solar System, the widths of pine and spruce tree rings and air temperatures in Europe.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2010, 14; 47-58
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vertical variability of selected macrostructural properties of juvenile wood organization in trunks of Scots pine [Pinus sylvestris L.] trees
    Autorzy:
    Tomczak, A
    Pazdrowski, W.
    Jelonek, T.
    Stypula, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/58813.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Scotch pine
    vertical variability
    annual ring
    plant development
    Pinus sylvestris
    juvenile wood
    tree
    botany
    maturation
    trunk
    late wood proportion
    axial heterogeneity
    Opis:
    The study makes an attempt to analyse the width of annual rings, the width of the latewood zone and the proportion of the latewood within juvenile wood along trunks of Scots pine (Pinus sylvestris L.) trees and to verify the hypothesis about the heterogeneous properties of juvenile wood in a single trunk. It was found that the above-mentioned macrostructural elements of wood structure showed a curvilinear correlation with the height of measurement points along the tree trunk. As the distance from the base of trunk increased, the width of the annual ring and the width of the latewood zone decreased, while the proportion of the latewood increased. These types of changes can affect positively physical and mechanical properties of wood tissue. It can be assumed that there is a mechanism which modifies properties of juvenile wood causing axial diversification of the analysed type of wood tissue. It is probable that axial heterogeneity results in advantageous changes in the mechanics of the tree trunk.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2007, 76, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Powiązanie przyrostu radialnego obcych i rodzimych gatunków drzew w LZD Rogów z wybranymi parametrami korony
    Radial growth of alien and native tree species growing in LZD Rogow with regard to selected crown parameters
    Autorzy:
    Bijak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/991562.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendrometria
    drzewa lesne
    gatunki obce
    daglezja zielona
    Pseudotsuga menziesii
    jodla olbrzymia
    Abies grandis
    jodla kaukaska
    Abies nordmanniana
    swierk kaukaski
    Picea orientalis
    zywotnik olbrzymi
    Thuja plicata
    dab czerwony
    Quercus rubra
    gatunki rodzime
    jodla pospolita
    Abies alba
    modrzew europejski
    Larix decidua
    sosna zwyczajna
    Pinus sylvestris
    dab szypulkowy
    Quercus robur
    przyrost grubosci
    przyrosty radialne
    korony drzew
    dlugosc korony
    szerokosc korony
    pole rzutu korony
    przestrzen pojedynczego drzewa
    tree−ring width
    crown diameters and size
    alien and native species
    central poland
    Opis:
    Paper analyses relationships between radial growth and seven crown−related parameters (crown length, relative length, width, slenderness, projection area and volume as well as single tree space) for ten alien and native tree species growing in 'common garden' conditions in the WULS−SGGW Forest Experimental Station in Rogów (central Poland). Significant correlation was found between 10− and 15−years mean tree−ring width and all analysed crown parameters as well as single tree space for Abies grandis, Abies nordmanniana and, except for crown length and its relative length, for Pinus sylvestris. No relationship was observed between radial increment of Larix decidua, Pseudotsuga menziesii and Quercus rubra and any of analysed crown parameters.
    Źródło:
    Sylwan; 2013, 157, 04; 278-287
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ czyrenia sosnowego (Phellinus pini (Brot.) Pilat) na przyrosty radialne sosny zwyczajnej (Pinus sylvestris L.)
    Effect of Phellinus pini (Brot.) Pilat occurrence on the radial growth of Pinus sylvestris L.
    Autorzy:
    Tomusiak, R.
    Zarzyński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/980244.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    sosna zwyczajna
    Pinus sylvestris
    grzyby patogeniczne
    czyren sosnowy
    Phellinus pini
    przyrost drzew
    przyrosty radialne
    red ring rot
    white pocket rot
    scots pine
    tree rings
    Opis:
    Scots pine is the most common tree species in Poland with the share in the species structure of Polish forests exceeding 58%. The most dangerous pathogen of this species is Phellinus pini (Brot.) Pilát), which causes the white pocket rot (also called red ring rot) of pine heartwood. It is estimated that as a result of the fungus’s activity, about 8% of annually harvested pine stems is damaged and worthless. As the Ph. pini damages only heartwood, it is often recognized that its occurrence has no influence on the tree’s physiology. As it is still unknown whether the presence of this fungus also does not affect the cambium responsible for the radial growth. We carried out studies in Scots pine stands located in the Radziwiłłów Forest District (central Poland). We investigated trees from 5th and 7th age classes (Biała Góra and Budy Stare forests, respectively). A total of 60 trees were sampled (30 per site). Half of them were specimens showing advanced symptoms of sickness, while the others were healthy specimens with no evidence of infection. From each tree we took one increment core and measured the tree−ring widths. Average tree−ring width was in case of healthy trees significantly higher than for sick trees. The research showed a significant, even of a dozen percent, reduction in the annual increment of infected trees in relation to healthy trees growing on the same site. Presumably, unidentified chemicals secreted to the cambium by the growing mycelium of Ph. pini may be responsible for this. It also seems that this relationship is progressing with the growing age of tree stands and is particularly visible in old stands, for example in reserves. Thus, Ph. pini could be one of the factors limiting the natural age of pine trees and accelerating their dieback. We also found that the growth of trees affected by the disease is influenced by a factor other than climatic, disturbing the natural rhythm of their radial increments. This factor is most likely the presence of mycelium of Ph. pini in the wood.
    Źródło:
    Sylwan; 2019, 163, 07; 576-583
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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