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    Tytuł:
    Research on the variability of Picea abies in Poland: genetic and breeding value of spruce populations in the Polish range of the species
    Autorzy:
    Sabor, J
    Powiązania:
    https://bibliotekanauki.pl/articles/41487.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    spruce
    plant population
    provenance test
    intrapopulation variability
    genetic resource
    genetic value
    breeding value
    gene bank
    Opis:
    The work outlines the directions in the past and present research into the variability of Norway spruce in Poland, and presents the results of provenance experiments concerning the genetic and breeding value of provenances tested in the Polish range of spruce distribution. The Istebna race proved to have a good value, however, so far only the progeny of single stands have been tested. It is thus necessary to determine the range of distribution for this race. The altitude of the location of mother stands significantly correlates with the genetic and breeding value of their progeny cultivated at different altitudes. This suggests that the altitude and exposure of plantations to be established in mountain forest belts should be specified for individual provenances (altitudinal zoning). New inventory provenance tests should be run under varied site conditions to assess both the genetic value and plasticity range of the provenances. In view of the biotic and abiotic threats facing spruce, there is a need to work out detailed programmes designed to preserve its genetic resources in gene banks and in vivo archives.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intra-population variability of Picea abies from Zwierzyniec Lubelski and Blizyn (Poland)
    Autorzy:
    Kowalczyk, J
    Markiewicz, P.
    Matras, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41233.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    intrapopulation variability
    family variation
    heritability
    plant population
    Zwierzyniec Lubelski region
    Blizyn region
    Kutno Forest District
    Polska
    Opis:
    The study investigates the intra-population variability of the growth and quality traits of Norway spruce populations from Bliżyn and Zwierzyniec Lubelski. The two populations are included in the IUFRO 1972 experiment and exhibit a high growth dynamics and a narrow crown form. The research was carried out on the experimental plot established in 1996 in Chrosno (Kutno Forest District) using 8228 two-year-old seedlings planted in a single-tree plot design at a spacing of 1.5 × 1.5 m. The seedlings represent 191 open-pollinated families, among them 93 families of Norway spruce from the Bliżyn region and 98 families from the Zwierzyniec Lubelski region. The height, height increment and DBH of trees were measured periodically, and some quality traits were assessed. The last results come from the measurements done on the trees aged 10 years. It was found that the differences between the two populations of Norway spruce are statistically nonsignificant but both of them show wide within-population variability. This suggests that they have the potential to flexibly respond to future changes in the growth conditions or to seed transfer to other seed zones. Survival in the environmental conditions of the experiment was independent of family.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Increasing Sustainability of European Forests: Modelling for Security Against Invasive Pests and Pathogens under Climate Change
    Autorzy:
    Nowakowska, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/38386.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    forest
    Europe
    European project
    ISEFOR project
    modelling
    invasive pest
    pathogen
    climate change
    forest health
    forest ecosystem
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2013, 55, 1
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mitochondrial and nuclear DNA differentiation of Picea abies populations in Poland
    Autorzy:
    Nowakowska, J A
    Powiązania:
    https://bibliotekanauki.pl/articles/40976.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    Polska
    mitochondrial DNA
    nuclear DNA
    plant population
    microsatellite marker
    post-glacial migration
    Opis:
    The natural stands of Norway spruce in Poland are split between the southern and the northeastern parts of the country. Two so-called "spruceless" zones separate the northern spruce locations from those in the south, one "spruceless" zone is situated in Central Poland, and the other one in the Beskid Mts. Mitochondrial (STS) and nuclear (SSR) markers were used to perform the genetic identification of Norway spruce. Four different variants of haplotypes, "a", "b", "c" and "d", were found to occur in the nad1 locus of STS markers. Populations from the northern range of Picea abies distribution in Poland harboured exclusively haplotypes "c" and "d", except for the Białowieża population which had haplotypes "a" and "c". Populations from the "spruceless" zones contained four types of haplotypes whilst those from southern Poland were mostly composed of haplotype "a". High mean gene diversity was observed for both STS and SSR markers (HT = 0.529, and HT = 0.851, respectively). The total genetic differentiation of Norway spruce populations was very low (FST= 0.088). Two main groups of populations were distinguished in the dendrogram defined by Nei's genetic distances based on microsatellite markers. The distribution of the genotypes was scattered and did not show any connection with the spatial distribution of P. abies in Poland. Only the mtDNA markers were able to differentiate the northern populations of Norway spruce from the southern ones, proving the historical separation between the Baltico-Nordic and the Hercyno-Carpathian ranges of P. abies in Poland. By contrast, the microsatellite data suggested an overlap between the genotypes due to the human manipulation of Norway spruce stands in the past.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the height growth of Picea abies as related to the geographical regions of Krutzsch (IPTNS-IUFRO 1964-68, years 1969-1988)
    Autorzy:
    Sabor, J
    Stanuch, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/41503.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    provenance
    genetic reactivity
    selection value
    height growth
    geographic region
    Beskid Sadecki Mountains
    plant population
    spruce
    species range
    Opis:
    The juvenile height growth of Norway spruce (Picea abies (L.) Karst.) was studied in 1095 spruce provenances included in the IUFRO inventory provenance test of 1964/68. Trees growing on the experimental site established in Krynica in the Beskid Sądecki Mts. (Carpathians) were measured at ca. 3-year intervals in the period 1969-1988, from the age of 6 years (i.e. 2 years of planting) to 25 years. The variability of tree height in this spruce population was assessed on the basis of the means expressed in units of standard deviation, calculated for each provenance and each geographical region of Krutzsch in successive years of measurement. Using the standardised units made it possible to characterise the dynamics of spruce growth in provenances from 95 geographical regions representing the whole European range of the species. The effects of geographical region, tree age and their interaction on the variability of height growth within this range were estimated using multi-way analysis of variance with replicated measurements. The regions showing similar spruce growth trends were grouped by using hierarchical cluster analysis. The results on the juvenile dynamics of height growth showed that spruce provenances from various geographical regions of Krutzsch differ significantly in their genetic reactivity. Based on this, several groups of regions were identified: (1) regions with average or weak but stable spruce growth characterised by no significant effects of age or genotype × age interaction in the whole measuring period, or regions with height growth improving with age; (2) regions of spruce provenances constituting a selection elite, with very good height growth in the whole measuring period or in its later part, characterised by no G × A interaction; (3) regions with varied genetic reactivity of height growth dynamics in the juvenile period, and regions of Scandinavian populations with poorest height growth in the whole measuring period. The studies proved that spruce provenances from the regions of Štiavnické Pohorie, Low Tatras (Slovakia), Masurian Lakeland, Augustów Lakeland, Podlasie, Silesian Beskid Mts., Beskid Żywiecki Mts. (Poland), Jutland (Denmark), Bihor Mts., Transylvania, and Eastern Carpathians (Romania) have a high selection value.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Precipitation and duff fall as natural sources of nitrogen and phosphorus for forest soils in the Slowinski National Park
    Opad atmosferyczny i opad roślinny jako naturalne źródło azotu i fosforu dla gleb leśnych w Słowińskim Parku Narodowym
    Autorzy:
    Parzych, A.
    Trojanowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/85037.pdf
    Data publikacji:
    2006
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    precipitation
    natural source
    nitrogen
    phosphorus
    forest soil
    Slowinski National Park
    fall
    plant
    mixed forest
    wood
    leaf
    needle
    mineralization
    ground cover
    tree root
    forest ecosystem
    Opis:
    Every year forest soils are enriched with nitrogen and phosphorus compounds due to the fall of leaves and litter of conifer needles, mineralization of ground cover and decaying tree roots, as well as precipitation. The process has been examined in two forest ecosystems: a mixed forest (plot I) and a young wood (plot II). The overall fall of duff collected in the young wood of the Słowinski National Park (plot II) has been 3.014 t/ha·year, which constitutes 69.35% of the fall collected in the mixed forest (plot I) on this territory (4.346 t/ha·year). The maximum intensity of duff fall occurred in autumn months and constituted 62.36% and 64.20% of annual fall respectively. Totally, 46.96 kg/ha·year of N and P were supplied to the soil of the plot I and 22.04 kg/ha·year in the case of the plot II. The precipitation enriched the soils of the mixed forest by 33.66 kg/ha·year of nitrogen and 1.19 kg/ha·year of phosphorus, the soils of the young wood – by 23.06 kg/ha·year of nitrogen and 0.92 kg/ha·year of phosphorus.
    Każdego roku gleby leśne wzbogacane są związkami azotu i fosforu pochodzącymi z opadających liści i igliwia, mineralizacji runa leśnego, gnijących korzeni drzew i krzaków oraz opadów atmosferycznych. Procesy te badano w dwóch ekosystemach leśnych Słowińskiego Parku Narodowego: w lesie mieszanym (działka I) i borze swieżym (działka II). Ogólny opad ścioły zebrany w swieżym borze wynosił 3,014 t ha-1rok-1 i był mniejszy niż zebrany w lesie mieszanym (4,346 t ha-1rok-1). Najbardziej intensywny opad ścioły obserwowano w miesiącach jesiennych i stanowił on odpowiednio 62,36% i 64,20% rocznego opadu. Ogólnie w ten sposób wprowadzono 46,96 kg ha-1rok-1 azotu i fosforu do gleby działki I i 22,04 kg ha-1rok-1 do gleby działki II. Opad atmosferyczny wzbogacił gleby lasu mieszanego w 33,66 kg ha-1rok-1 azotu i 1,19 kg ha-1rok-1 fosforu, a gleby boru swieżego odpowiednio 23,06 kg ha-1rok-1 i 0,92 kg ha-1rok-1.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2006, 10
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characteristics of soils and plants on two selected research areas in the Smoldzinski Las district within the Slowinski National Park
    Charakterystyka gleb oraz szaty roślinnej na dwóch wybranych działkach badawczych w obwodzie Smołdziński Las w obrębie Słoeińskiego Parku Narodowego
    Autorzy:
    Trojanowski, J.
    Parzych, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/85141.pdf
    Data publikacji:
    2005
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    soil
    plant cover
    research area
    Smoldzinski Las district
    Slowinski National Park
    forest ecosystem
    flora
    ground water
    organic carbon
    soil profile
    vegetation season
    Opis:
    The soils studied are situated in the northern part of Gardno-Łebsko Lowland, which is part of the Słupsk Plain. For laboratory research two parcels were chosen, with the area of 0.5 ha, situated in protected district of Smołdzinski Las. The research of the selected parcels shows great differences in the construction of soil and flora profiles. What they have in common is the high level of groundwater, which is influenced by slight changes during the vegetation season. The investigated soils have the acid reaction in all parts of their profile. The lowest values observed in levels of moulder differed from 3.56 to 3.74 pHH20.
    Badane gleby występują w północnej części Niziny Gardniensko-Łebskiej, wchodzącej w skład Równiny Słupskiej. Do badań laboratoryjnych wybrano dwie działki o powierzchni 0,5 ha każda, znajdujące się na terenie Obwodu Ochronnego Smołdziński Las. Na podstawie dokonanych badań obu analizowanych działek stwierdzono, że różnią się one znacznie budową profili glebowych oraz szatą roślinną. Ich wspólną cechą jest dość wysoki poziom wód gruntowych, ulegający niewielkim zmianom w okresie sezonu wegetacyjnego. Badane gleby charakteryzują się odczynem kwaśnym w całym profilu. Najniższe wartości pH obserwuje się w poziomach próchnicy nakładowej i poziomach próchnicznych, gdzie wahają się od 3,56 do 3,74 pHH2O.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2005, 09
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil enzymatic activity in deteriorated forest ecosystems in the operation area of the Pulawy S.A. Nitrogen Factory
    Autorzy:
    Bielinska, E J
    Domzal, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450115.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Pulawy Forest Inspectorate
    forest ecosystem
    nitrogen work
    enzyme activity
    biological property
    forest soil
    Zyrzyn commune
    biochemical property
    soil
    Pulawy Nitrogen Factory
    operation area
    forest habitat
    soil property
    degraded ecosystem
    anthropogenic ecosystem
    environmental deterioration
    Opis:
    The present research (1998-1999) was carried out to evaluate soil enzymatic activity in the deteriorated forest ecosystems within the operation range of the Puławy S.A. Nitrogen Factory. Investigation covered podzolic soils from strong and medium forest pollution zones. Objects from the Pulawy Forest Inspectoratejwere represented, i.e. samples from the Puławy district (Inspectorate Wronów) and Żyrzyn district (Inspectorate Zagórki). The obtained results indicate high degree of soil environment deterioration in the investigated forest habitats, in the form suppressed enzymatic activity and deformation of chemical properties. A significant increase in the enzymatic soil activity with the increasing distance from the nitrogen factory was observed. Changes in the activity of soil enzymes were related to the soil chemical properties.
    Źródło:
    Acta Agrophysica; 2001, 51; 7-13
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Picea abies in Northrhine-Westphalia
    Autorzy:
    Schmitt, H P
    Heyder, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/40997.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    plant survival
    survival
    genetic resource
    seed storage
    seed orchard
    Sauerland region
    Westphalia
    Germany
    Opis:
    The Sauerland region of southern Westphalia has the most economic stands of Norway spruce in the state of Northrhine-Westphalia (Germany). As shown by historical research and genetic analysis, the seeds for these stands were imported from Thuringia around the year 1880. Therefore, the two states are collaborating closely to secure the genetic variety of the spruce and develop new sources of seed supply. The survival of the Hochsauerland Norway spruce is now under threat: these stands have already been harvested or are due for harvesting shortly, in addition, many of the older stands were destroyed by the gale "Kyrill" in 2007, and only a few stands have remained. Since its foundation, the Forest Gene Bank of Northrhine-Westphalia has taken the following measures to preserve the gene pool of the Hochsauerland spruce and conserve it in the long term: storage of seed from 100 representative trees in all the most valuable stands of spruce (since 1985); establishment of seed orchards; and establishment of replacement stands. Thanks to those measures, the genetic information of the Norway spruce stands of Thuringian origin has been secured, and substantial stocks of seed are available for reforestation.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of provenance on the survival of Picea abies trees on the IPTNS-IUFRO 1964-68 site in Krynica (Poland)
    Autorzy:
    Masternak, K
    Sabor, J.
    Majerczyk, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41185.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    plant survival
    provenance effect
    genotype
    Polska
    Krynica-Zdroj town
    health condition
    Opis:
    In connection with the decline of spruce stands on the Krynica plots of IPTNS-IUFRO 1964/68, observed in the last decade and attributed to the so-called spiral disease, an attempt was made to determine whether the current health condition of trees is influenced by genotype (provenance). As shown by preliminary observations, the spruces differed in the degree of survival depending on provenance. The inventories of died or broken trees to be removed during the sanitary cutting, made in the years 2000, 2003, 2004 and 2008, yielded also information about the number of spruces that remained in the blocks of the experiment for each provenance and provenance region by Krutzsch (1968). Analysis of variance showed that genotype (provenance) has a statistically significant effect on the survival of trees. In the years 1999-2008, spruces from region 21 (Bohemian Forest) displayed the poorest survival rate in the conditions of the Beskid Sądecki Mts., while those from region 80 (Eastern Siberia) survived best.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Accumulation and retranslocation of nitrogen and phosphorus in the foliage of Pinus sylvestris L. and Betula pubescens in chosen woodland ecosystems of the Slovinski National Park
    Akumilacja i retranslokacja azotu i fosforu w listowiu sosny zwyczajnej i brzozy omszonej w wybranych ekosystemach leśnych Słowińskiego Parku Narodowego
    Autorzy:
    Parzych, A.
    Trojanowski, J.
    Sobisz, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/84825.pdf
    Data publikacji:
    2010
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    retranslocation
    nitrogen accumulation
    phosphorus accumulation
    Pinus sylvestris
    Betula pubescens
    woodland environment
    Slowinski National Park
    nutrient cycling
    forest ecosystem
    foliage biomass
    needle
    leaf
    Opis:
    The study of foliage was carried out in two different forest ecosystems: Vaccinio uliginosi- Betuletum pubescentis and Empetro nigri-Pinetum in the Slovinski National Park in the period of 2002-2005. The largest volume of nitrogen and phosphorus in the litter of coniferous needles was found in early summer at the moment of maximum growth. An average concentration of nitrogen in examined needles was between 1.296% and 1.358% N in Vaccinio uliginosi-Betuletum pubescentis and from 1.010% to 1.118% N in Empetro nigri-Pinetum. The decrease of biogenes concentration in plant tissues was observed in the autumn months as a result of lower demand and recession of biogenes connected with storage of valuable elements in the fatter parts of the trees. In the fall season, a gradual recession of nutrients from the litter of coniferous needles was observed. In Vaccinio uliginosi-Betuletum pubescentis insignificant quantity of nitrogen recesses (average 5.6%) from the new and one year old litter of coniferous needles, including 47.2% N-NH4 and 78.6% N-NO3 and about 21.8% P, including 11.7% P-PO4. In Empetro nigri-Pinetum more intensive recession of biogenes was found from the litter of coniferous needles of common pine than in Vaccinio uliginosi-Betuletum pubescentis. On average 11.5% T-N is translocated, including 41.4% N-NH4 and 23.8% N-NO3 as well as 22.3% P, including 11.8% P-PO4.
    Badania listowia prowadzono w dwóch rożnych ekosystemach leśnych: Vaccinio uliginosi- Betuletum pubescentis i Empetro nigri-Pinetum w Słowińskim Parku Narodowym w latach 2002-2005. Największe ilości azotu i fosforu w igliwiu stwierdzono wczesnym latem w czasie maksymalnego wzrostu. Średnia koncentracja azotu w badanym igliwiu mieściła się w przedziale od 1,296% do 1,358% N w Vaccinio uliginosi-Betuletum pubescentis oraz od 1,010% do 1,118% N w Empetro nigri-Pinetum. Obniżenie koncentracji biogenow w tkankach roślinnych obserwowano w miesiącach jesiennych jako wynik mniejszego zapotrzebowania na nie oraz wycofywania biogenów związanych z magazynowaniem cennych pierwiastków w grubszych częściach drzew. W okresie jesiennym zaobserwowano rownież stopniowe wycofywanie nutrientów z igliwia. W Vaccinio uliginosi-Betuletum pubescentis wycofywane są nieznaczne ilości azotu (średnio 5,6%) z igliwia nowego i jednorocznego, w tym 47,2% N-NH4 i 78,6% N-NO3 oraz około 21,8% P, w tym 11,7% P-PO4. W Empetro nigri- Pinetum stwierdzono silniejsze wycofywanie biogenów z igliwia sosny zwyczajnej niż w Vaccinio uliginosi-Betuletum pubescentis. Średnio retranslokacji ulega 11,5% T-N, w tym 41,4% N-NH4 i 23,8% N-NO3 oraz 22,3% P, w tym 11,8% P-PO4.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2010, 14
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the health status of Picea abies provenances growing on the IUFRO 1964-68 experimental plots
    Autorzy:
    Zolciak, A
    Oszako, T.
    Sabor, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41247.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    fungal infection
    spiral disease
    health status
    provenance
    plot experiment
    plant disease
    Opis:
    Due to the deterioration in the health condition of Norway spruce on the IPTNS-IUFRO 1964/68 observation plots in Krynica (Poland), there was an urgent need to determine the cause of the decline in order to design preventive measures. For this purpose, a health inventory was carried out in the years 2002 and 2003. This included an assessment of the condition of crowns in 144 trees and a thorough examination of 29 felled trees. It was found that individual trees or groups of trees have declined in some blocks of the experiment. The tops of some trees were dying and the crowns were getting transparent. The discolouration (turning brown) of needles was quite common and even green needles were shed. Some of the roots showed symptoms of necrosis and died. Seven taxa of pathogens were isolated from the diseased roots and trunk parts of spruces, among them Phytophthora citrophthora, Fusarium avenaceum, F. solani and Trichoderma. The number of diseased trees was related to provenance. The provenances Babenhausen (Germany), Frantiskovy Lazne (Czech Republic), Traunstein 1/4 D, 6 A, B, 7 A (Germany), Wundsiedel-Weissenstadt (Germany), Mestwinowo (Poland), and Magland (France) proved to be more susceptible than others to fungal pathogen attack.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gene conservation and breeding programmes for Picea abies in Lithuania: present-day achievements
    Autorzy:
    Danusevicius, J
    Gabrilavicius, R.
    Danusevicius, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/41718.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    breeding programme
    Lithuania
    gene conservation
    genetic resource
    provenance
    plant population
    Opis:
    At present, Norway spruce stands occupy 22% of the total forest area in Lithuania. Most of them are located in the northeastern highland (Žemaitija) and the central part of the country. 25% of the spruce-dominated stands are pure, the rest are mixed. Natural calamities like storms, droughts, and pests cause substantial damage and occur quite frequently. About 40 thousand ha of stands are cut after each storm. The mean wood yield of the spruce stands is 304 m3 ha-1, and the current annual increment is 6.2 m3 ha-1. The climatic conditions of Lithuania are variable enough to cause differentiation of habitats. For Norway spruce, 6 provenance regions have been established. The national gene conservation programme is based on (a) in situ genetic reserves, seed collection stands, and selected genotypes, and (b) ex situ clonal archives, seed orchards, experimental plantations, and gene bank collections. The present-day breeding of Norway spruce comprises family tests of populations for individual and population selection, and plans for inter-population hybrids. A strategy for Norway spruce breeding has been approved for the years 2004-2013. There is a genetically diverse material for future breeding: long-distance provenance tests, and population and family tests. Assessments of two provenance tests (aged 9 and 17 years) in central Lithuania revealed superior performance of central and northeastern Polish provenances: superior height, good stem quality, and late bud-burst in spring. This may be attributed to the favourable effect of transfer: avoidance of spring frosts (late bud-burst and good stem quality), and utilisation of the later part of the growing period for growth (late bud-set and superior height). Norway spruce is a climax species with different domestic and Darwinian fitness. Therefore, we suggest that the domestic fitness of local genotypes may be improved by introducing a few Polish clones in Lithuanian breeding populations.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trace elements in soils of upper zone of spruce forest on Szrenica Mount and the Kowarski Grzbiet range in the Karkonosze Mountains
    Zawartość pierwiastków śladowych w glebach regla górnego Szrenicy i Kowarskiego Grzbietu w Karkonoszach
    Autorzy:
    Waroszewski, J.
    Kabala, C.
    Szopka, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/14109.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    trace element
    soil
    Karkonosze Mountains
    spruce forest
    upper zone
    soil contamination
    forest ecosystem
    monitoring network
    lead
    zinc
    copper
    soil sample
    Opis:
    New regular examination of soil contamination with trace elements (Pb, Zn, Cu) in the upper zone of spruce forest in the western (Mount Szrenica) and eastern (Kowarski Grzbiet range) Karkonosze Mountains was carried out as part of the monitoring network of forest ecosystems in the Karkonosze Mountains National Park. Soil samples were taken at the following three depths: forest litter (the whole layer), 0-10 cm and 10-20 cm. Clearly raised concentrations of lead were found, particularly in forest litter (mean 83.2 mg⋅kg-1) and in horizons 0-10 cm (mean 73.3 mg⋅kg-1). Copper and zinc occurred in smaller amounts, in the ectohumus layer 47.5 mg Zn⋅kg-1 and 23.8 mg Cu⋅kg-1 (mean concentrations), and in the layer 0-10 cm – 33.7 mg Zn⋅kg-1 and 19.9 mg Cu⋅kg-1. Zinc and copper concentrations in soils of the upper spruce forest zone did not increase with altitude above mean sea level, and were slightly higher in the eastern part of Karkonosze Mts. (the Kowarski Grzbiet). Concentrations of lead were apparently higher in the western part of the Karkosze Mts. and increased with altitude AMSL.
    W strefie regla górnego Karkonoszy zachodnich (Szrenica) i wschodnich (Kowarski Grzbiet) przeprowadzono analizę zanieczyszczenia gleb pierwiastkami śladowymi (Pb, Zn, Cu) opartą na monitoringu ekosystemów leśnych Karkonoskiego Parku Narodowego. W tym celu pobrano próbki z trzech głębokości: próchnicę nadkładową (w całej miąższości), 0-10 cm i 10-20 cm. Stwierdzono wyraźnie podwyższoną zawartość ołowiu, szczególnie w próchnicach nadkładowych (średnio 83,2 mg⋅kg-1) i warstwie 0-10 cm (średnio 73,3 mg⋅kg-1). Miedź i cynk występują w mniejszych ilościach, w ektohumusie średnio 47,5 mg Zn⋅kg-1 i 23,8 mg Cu⋅kg-1, a w warstwie 0-10 cm średnio 33,7 mg Zn⋅kg-1 i 19,9 mg Cu⋅kg-1. Zawartość cynku i miedzi w glebach regla górnego nie zwiększa się z wysokością n.p.m. i jest nieco wyższa we wschodniej części Karkonoszy (Kowarski Grzbiet) niż w zachodniej (Szrenica). Zawartość ołowiu jest wyraźnie wyższa w zachodniej części Karkonoszy i zwiększa się z wysokością n.p.m.
    Źródło:
    Journal of Elementology; 2009, 14, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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