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Tytuł:
Badania nad zmiennością genetyczną w naturalnie odnawiających się populacjach daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco)
Genetic variability of naturally regenerated populations of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)
Autorzy:
Zygmunt, K.
Klimko, M.
Powiązania:
https://bibliotekanauki.pl/articles/1024054.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Pseudotsuga menziesii
markery genetyczne
zmiennosc genetyczna
izoenzymy
botanika lesna
daglezja zielona
lesnictwo
drzewa lesne
pseudotsuga menziesii
genetic variability
isoenzymes
Opis:
Genetic variability of Douglas fir was studied in seven naturally regenerated populations. The genetic structure of the self−sown young generation was described by means of variability of eight enzymes (Dia, G−6−pd, Got, Idh, Pgi, Pgm, Sdh and Shdh) separated electrophoretically on a starch gel. The results indicate that no substantial reduction of the genetic pool and no substantial inbreeding effect were observed in naturally regenerated Polish populations of this introduced species.
Źródło:
Sylwan; 2004, 148, 09; 43-54
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka roślinności runa kształtującej się pod drzewostanami daglezjowymi (Pseudotsuga menziesii (Mirb.) Franco.) w lasach gospodarczych Republiki Czeskiej
Characteristic of forest floor developed under Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) stands in commercial forest in Czech Republic
Autorzy:
Viewegh, J.
Podrazsky, V.
Matejka, K.
Powiązania:
https://bibliotekanauki.pl/articles/990015.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
daglezja zielona
Pseudotsuga menziesii
drzewostany gospodarcze
drzewostany daglezjowe
runo lesne
roslinnosc
zbiorowiska roslinne
Republika Czeska
douglas fir
stands
forest floor
plant communities
Opis:
The aim of study was to characterize Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) commercial stands and their influence on the forest floor plant communities. Study plots were performed in different regions of the Czech Republic. In total 44 plots were arranged in older Douglas fir stands with well developed forest floor vegetation. For the comparison, the study plots were also established in Norway spruce and broad−leaved tree species (beech, linden, oak) stands. Compared to other studied species, the main effect of Douglas fir on plants was noted in higher share of nitrophilous species.
Źródło:
Sylwan; 2014, 158, 04; 277-284
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dendroclimatic regions of Douglas fir Pseudotsuga menziesii (Mirb.) Franco in western and northern Poland
Autorzy:
Feliksik, E
Wilczynski, S.
Powiązania:
https://bibliotekanauki.pl/articles/41693.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Douglas fir
Pseudotsuga menziesii
Polska
dendroecology
dendrochronology
forest tree
dendroclimatic region
Opis:
This study concerned 26 forest stands with Douglas fir situated in Lower Silesia, Great Poland, Pomerania, Warmia and Masuria. Each stand was represented by 24 trees. From each tree an increment core was taken by Pressler’s borer. The principal components analysis showed that the first three principal components accounted for 73% of the variation of chronologies in total. The first principal component was the most convergent with the mean air temperature curve for January–March, the second with the total precipitation for June–August, and the third with the mean temperature for June–August. The first principal component always integrated the chronologies and decided on a similar rhythm of changes in the tree-ring widths. The annual variation of tree-ring widths was also affected by precipitation in summer (June–August), but this differentiated the chronologies. This was reflected by the dispersion of chronologies in respect to the eigenvectors of the second principal component. The third principal component also differentiated the chronologies. Separate groups were formed by the most eastern and the most western localities of the territory under investigations. Thus the Douglas fir growth reactions were mainly affected by the thermal and pluvial conditions of summer and, to a lesser, degree by the thermal conditions of winter. On the basis of these results it was possible to distinguish the dendroclimatically homogeneous regions in western and northern Poland.
Źródło:
Dendrobiology; 2004, 52; 9-15
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Die-back of grafts in the clonal seed orchards of Douglas-fir (Pseudotsuga menziensii (Mirb.) Franco) in Poland and attempts at producing seedlings of this species by autovegetative propagation
Autorzy:
Kuss, M
Powiązania:
https://bibliotekanauki.pl/articles/41152.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
rooting
autovegetative propagation
Polska
grafting
clonal seed orchard
seedling
Pseudotsuga menziesii
Douglas fir
vegetative propagation
Opis:
So far, experience in the existing clonal seed orchards of Douglas-fir indicates that grafts of this species are short-lived. According to research carried out in North America, incompatibility between the grafted scions and the rootstocks happens during the whole period of growth and development in clonal seed orchards of Douglas-fir. A similar phenomenon occurs in the clonal seed orchards of Douglas-fir in Poland. The extent of die-back of grafts was examined in three existing oldest units in the Forest District of Gniewkowo (founded in 1992-1993; 2.80 ha), the Forest District of Leżajsk (founded in 1995, 4.22 ha) and the Forest District of Łopuchówko (founded in 1993, 7.43 ha). In all these areas, losses due to die-back ranged from a dozen to a few dozen per cent. Die-backs in the clonal seed orchards in the Forest District of Gniewkowo and in the Forest District of Łopuchówko are now reduced to as much as about fourty per cent of grafts. Analyses of die-back in all these areas reveal great variation between individual clones, indicating its genetic basis. Research carried out so far has not demonstrated the presence of any pathogens responsible for causing the die-back in the grafts. Some hope to solve the problem mentioned above arises from attempts at autovegetative propagation of Douglas-fir.
Źródło:
Dendrobiology; 2002, 47 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gatunki drzew obcego pochodzenia na leśnych powierzchniach doświadczalnych Brandenburgii
Alien tree species in experimental forest plots in Brandenburg
Autorzy:
Panka, S.
Powiązania:
https://bibliotekanauki.pl/articles/888610.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Dendrologiczne
Tematy:
dendrologia
drzewa
drzewa iglaste
drzewa lisciaste
gatunki obce
daglezja
daglezja zielona
Pseudotsuga
Pseudotsuga menziesii
zywotnik olbrzymi
Thuja plicata
cyprysik Lawsona
cyprysik groszkowy
Chamaecyparis lawsoniana
Chamaecyparis pisifera
choina zachodnia
Tsuga heterophylla
lesne powierzchnie doswiadczalne
doswiadczenia proweniencyjne
Brandenburgia
Opis:
The history of research on tree species of alien origin began in Germany at the beginning of the nineteenth century, when chancellor Bismarck inspired by information about John Booth – who introduced Douglas fir into Europe – became closely interested in that subject matter (North American trees species were characterised by extraordinary productivity). On 15th June 1880, Bernhard Danckelmann – director of the Forest Academy in Eberswalde – was instructed to work out a detailed scheme of the whole system of forest experimental plots. Adam Schwappach was recruited to Eberswalde in 1886 by Bernhard Danckelmann and was to manage the project. Thanks to that, the forest research institute in Eberswalde has today a one of a kind system of permanent experimental plots including 32 species of alien trees originating mainly from North America (26 species), but also from the Caucasus (1), the Balkans (1) and the Japanese archipelago (4). This paper describes the main objects of research on selected alien species (Pseudotsuga menziesii, Thuja plicata, Chamæcyparis lawsoniana, Chamæcyparis pisifera, Tsuga heterophylla) at the Eberswalde Institute and discusses their most significant results from the point of view of a silviculture-expert. One element of particular importance within this analysis is the comparison of productivity of the researched species in relation to yield tables for Scots pine. Experiments concerning the productivity and usefulness of important tree species of alien origin for different scenarios of climate change (dangerous for the natural environment of Central Europe), have been conducted for over 130 years and the results of those experiments are a further subject of this paper.
Źródło:
Rocznik Polskiego Towarzystwa Dendrologicznego; 2012, 60
2080-4164
2300-8326
Pojawia się w:
Rocznik Polskiego Towarzystwa Dendrologicznego
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:
Konduktometryczna metoda oceny żywotności nasion sosny zwyczajnej (Pinus sylvestris L.) i daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco)
Conductivity test for Scots pine (Pinus sylvestris L.) and Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) seeds vitality assessment
Autorzy:
Jastrzębowski, S.
Kantorowicz, W.
Aniśko, E.
Ukalska, J.
Powiązania:
https://bibliotekanauki.pl/articles/988974.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
nasiennictwo
sosna zwyczajna
Pinus sylvestris
daglezja zielona
Pseudotsuga menziesii
nasiona
zywotnosc nasion
metody oceny
konduktometria
vitality class
electrolyte leakage
conductometry
seed
Opis:
The level of damage to the cell membranes is a sign of aging of the seeds and a decrease in their viability. Conductometric seed testing method indirectly utilizes uncontrolled leakage of ions from seeds with damaged cell membranes to assess their viability. This involves the use of an electrical conductivity of the aqueous solution, in which seeds are soaked. The research was conducted in the years 2011−2014 and aimed at developing the methodology of evaluation of Scots pine and Douglas fir seeds by conductivity test. The aim of the study was to determine the relationship between electrolyte leakage and germination capacity of Scots pine and Douglas fir seeds. 402 samples of Scots pine seed and 90 specimens of Douglas fir seed from all over Poland were tested. The research material was both freshly harvested and stored. Scots pine seeds were obtained in the years 2008−2014, while Douglas fir – 2003−2013 as well as ones stored in the refrigerator for 15 years. Conductivity test and standard seed germination procedure of the analyzed species were used. For both Scots pine and Douglas fir, we noted that, as the electrolyte leakage rate increased, the germination capacity of the seed decreased. So we decided to test whether the vitality of the seeds was determined by means of a conductivity test. The best−fit regression model was determined and the mean expected germination capacity in the viability classes was calculated. 95% confidence intervals for the regression function were also determined. Evaluation of the viability of the seeds by means of the conductometric method is especially useful for seeds requiring a long stratification period (e.g. Douglas fir to determine the potential loss of their vitality. Although the ISTA seed evaluation rules do not require conductivity test for evaluating the seeds of Scots pine and Douglas fir, it may be applicable in situations where it is necessary to perform a rapid assessment of viability before spring sowing.
Źródło:
Sylwan; 2017, 161, 11; 927-934
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:
Lokalne wzorce przyrostowe daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco) w Polsce
Autorzy:
Feliksik, E.
Wilczyński, S.
Powiązania:
https://bibliotekanauki.pl/articles/1024078.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
przyrosty radialne
dendrochronologia
Pseudotsuga menziesii
Polska
daglezja zielona
lesnictwo
wzorce przyrostowe
drzewa lesne
pseudotsuga menziesii
poland
site chronologies
tree−rings
Opis:
The paper describes a construction and characteristic of site tree−ring chronologies and site indexed chronologies of 50 partial populations od Douglas fir in Poland.
Źródło:
Sylwan; 2004, 148, 12; 3-13
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macrofungi on three nonnative coniferous species introduced 130 years ago, into Warmia, Poland
Autorzy:
Damszel, Marta
Piętka, Sławomir
Szczepkowski, Andrzej
Sierota, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/11543392.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
non-native species
macrofungi
coniferous species
macromycete
Pseudotsuga menziesii
Pinus strobus
Thuja plicata
forest
Warmia region
Polska
Opis:
In fall 2018 and 2019, we assessed colonization by fungi on Douglas fir trees [Pseudotsuga menziesii (Mirb.) Franco], white pine (Pinus strobus L.), and red cedar (Thuja plicata D. Don.) on selected experimental plots of the former Prussian Experimental Station, where nonnative tree species were introduced from North America over a century ago. The presence of sporocarps on trunks, root collars, and stumps as well as the litter layer in the soil within a radius of 0.5 m around the trunk of the tree was determined. Additionally, the volume of dead wood on the forest floor of the entire plot was assessed. We recorded numerous fungi on trees and stumps as well as in the litter and soil. For the 31 plots in 12 forest districts, we determined 745 sporocarps of 48 taxa, with 335/19 on the wood of P. menziesii trees and stumps, 377/15 on P. strobus, and 33/6 on T. plicata trees. The highest share of trees with various trunk damage levels was found for T. plicata (70.3%) and the lowest for P. menziesii (6.2%). Among the root parasitic fungi, Heterobasidion sp. and Armillaria sp. were found, especially on the collars and stumps of T. plicata and P. strobus; we did not find basidiomata of both pathogens on P. menziesii. The volume of dead wood within the P. menziesii plots averaged 7.1 m3/ha, whereas in T. plicata plots, it was 56.3 m3/ha. We identified 10 taxa that have not been reported in association with P. strobus for Poland (Cylindrobasidium laeve, Dacrymyces sp., Exidia pithya, E. saccharina, Gymnopilus pnetrans, Leptoporus mollis, Mycena sanguinolenta, Tapinella panuoides, Trametes versicolor, and Xylaria hypoxylon) and three taxa (Exidia pithya, Leptoporus mollis, Serpula himantioides) associated with T. plicata.
Źródło:
Acta Mycologica; 2020, 55, 2; 55212
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena możliwości zastosowania tablic Bergela dla daglezji zielonej (Pseudotsuga menziesii (Mirb.) Franco) w Polsce
Potential use of the Bergel yield tables for Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in Poland
Autorzy:
Zasada, M.
Panka, S.
Sagan, J.
Powiązania:
https://bibliotekanauki.pl/articles/989722.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
zasobnosc drzewostanu
drzewostany daglezjowe
daglezja zielona
Pseudotsuga menziesii
modele wzrostu
bonitacja siedliska
tablice zasobnosci drzewostanu
tablice Bergela
yield tables
growth model
site index
forest productivity
non−native tree species
Opis:
There are no original local yield tables for Douglas fir stands grown in Poland. In the presented study we attempted to answer the question whether it is possible to successfully use the German yield tables for Douglas fir developed by Bergel [1985]. Based on the data from these yield tables we developed the height growth model (site index curves) for Douglas fir in the form of the polymorphic equation with variable asymptotes. This model appeared to be, as expected, far better than the anamorphic model. We applied the elaborated equation for calculation of the site index for 63 randomly selected research plots located on the typical Douglas fir habitat types (fresh mixed broadleaved forest and fresh broadleaved forest) in western Poland. We concluded that the mean site index values are significantly higher in younger stands than in the older ones. To determine the reason for this phenomenon, we tested the resulting model using the published data from the permanent research plots. We found out that the pattern of site index changes with age varies for stands in different age classes. Moreover, we noticed, that regardless the age of the stand, in the recent decades there is the increasing height growth rate, which can be attributed to the change in environmental conditions. On the other hand, the analysis of the other characteristics of the sample plots revealed, that there is no significant relationship between site index values and site and plot location, as well as between the productivity level, expressed by the value of the EN coefficient, and age class, site and location of the stand. Bergel yield tables can be used in Polish conditions taking into account the age−dependency of the site index values.
Źródło:
Sylwan; 2015, 159, 08; 619-631
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie rodów daglezji (Pseudotsuga menziesii (Mirb.) Franco) w doświadczeniu w Nadleśnictwie Manowo
Comparison of the half-sib families of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) in the trial in the Manowo Forest District
Autorzy:
Barzdajn, W.
Powiązania:
https://bibliotekanauki.pl/articles/992705.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
drzewa lesne
gatunki obce
daglezja zielona
Pseudotsuga menziesii
rody hodowlane
analiza porownawcza
pseudotsuga menziesii
testing
breeding
Opis:
Douglas−fir is the most important introduced forest tree species in Poland. It is included into the frame of the breeding program that needs to test the selected objects. In the described trial the families of 14 plus trees are being tested. They are half−sib families from the open pollination. The significant differences between the families were stated in case of the diameter at the breast height and the height. The evaluation of the families being tested was carried out.
Źródło:
Sylwan; 2013, 157, 03; 204-212
0039-7660
Pojawia się w:
Sylwan
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:
Przestrzenne zróżnicowanie drzewostanów daglezjowych (Pseudotsuga menziesii (Mirbel) Franco) odnowionych sadzeniem na siedliskach BMśw i LMśw
Spatial diversity of Douglas fir [Pseudotsuga menziesii [Mirbel] Franco] stands planted on fresh mixed coniferous and fresh mixed broadleaved sites
Autorzy:
Szmyt, J.
Korzeniewicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/1009028.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewostany daglezjowe
zroznicowanie przestrzenne
drzewa lesne
daglezja zielona
Pseudotsuga menziesii
struktura przestrzenna
siedlisko boru mieszanego swiezego
siedlisko lasu swiezego mieszanego
spatial structure
structural indices
artificial stands
douglas fir
Opis:
The paper describes the spatial diversity of 30−year old Douglas fir stands established by planting on fresh mixed coniferous and fresh mixed broadleaved sites. Analysis was carried out with reference to the horizontal structure (type of tree distribution over an area) and the spatial diversity of living trees size (dbh and height). Easily measurable structural indices as Clark−Evan aggregation index, contagion index and the height and diameter differentiation indices were used.
Źródło:
Sylwan; 2010, 154, 11; 791-800
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
Wyświetlanie 1-15 z 36

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