Temat: spruce stand - Katalog OPAC zbiorów

Skocz do pozycji: 31.

Tytuł:: Budowa, struktura i dynamika górnoreglowych borów świerkowych o charakterze pierwotnym w dolinach Pańszczycy i Stawów Gąsienicowych (Tatrzański Park Narodowy) w okresie kontrolnym 1991 - 2002
The structure, composition and dynamics of subalpine primeval spruce forests in the Panszczyca Valley and the Stawy Gasienicowe Valley [in the Tatra National Park] during the control period 1991-2002
Autorzy:: Karczmarski, J.
Powiązania:: https://bibliotekanauki.pl/articles/1016108.pdf
Data publikacji:: 2007
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: dynamika drzewostanu
sklad gatunkowy
Tatrzanski Park Narodowy
drzewostany swierkowe
Dolina Panszczycy
lesnictwo
proces dorastania
struktura drzewostanu
zasobnosc drzewostanu
budowa drzewostanu
Dolina Gasienicowa
regiel gorny
proces ubywania
przyrost drzewostanu
stand structure
stand dynamics
natural development cycle
primeval forest
spruce
subalpine zone
poland
Opis:: The research presents changes (in the period of 1991−2002) in species composition, volume, dbh structure, height and storey structure, increment value, self−thinning rate and regeneration dynamics of the primeval−type spruce forests of the upper montane zone in the Pańszczyca Valley and the Stawy Gąsiennicowe Valley in the Tatra National Park on the example of three permanent experimental plots. The stands under study (as compared with other stands in the Polish Carpathians from the similar altitudinal zone, feature high productivity expressed by the current annual volume increment value of 4.1−4.5 cu.m./ha, diverse structure and composition depending on the represented stages and phases of stand development, as well as high stand stability.
Źródło:: Sylwan; 2007, 151, 11; 41-59
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 32.

Tytuł:: Biometric characterisation of selected seed stands of Picea abies (L.) Karst. of Istebna
Autorzy:: Orzel, S
Forgiel, M.
Powiązania:: https://bibliotekanauki.pl/articles/41646.pdf
Data publikacji:: 2004
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: Norway spruce
Picea abies
seed stand
site condition
growing
tree
biometric characteristics
statistics
spruce tree
crown length
mountain vegetation
Opis:: The paper assesses the growth of nine seed stands of Picea abies (L.) Karst. of Istebna. The stands were selected on the basis of the dynamic height growth and good adaptation of their progeny under different site conditions. The d.b.h. increment of trees during the entire lifespan of stands is analysed in detail, especially its magnitude and dynamics during the last twenty years, i.e. from 1982 to 2001.
Źródło:: Dendrobiology; 2004, 51 Supplement
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 33.

Tytuł:: Acclimatization of European beech (Fagus sylvatica L.) leaves first year after planting into different light conditions of young spruce stand
Autorzy:: Spulak, O.
Powiązania:: https://bibliotekanauki.pl/articles/38467.pdf
Data publikacji:: 2011
Wydawca:: Instytut Badawczy Leśnictwa
Tematy:: acclimatization
European beech
Fagus sylvatica
leaf
first year
planting
light condition
young tree
spruce stand
chlorophyll a fluorescence
chemical analysis
Opis:: The study presents the results of investigation on reaction of beech (Fagus sylvatica L.) leaves observed next year after planting seedlings in different positions in a young spruce stand located in upper mountain conditions. The methods of chemical analyses and assessments of chlorophyll fluorescence were applied with the aim to evaluate a course of leaf adaptation. In the young spruce stand located in the Karkonoše Mts, bare root beech seedlings after cultivation in full light were planted into three main positions to spruce trees (under the crown, within crown perimeter and in stand gaps). Next year after planting, the total biomass, leaf nutrient content and chlorophyll fluorescence parameters were evaluated. The beech trees planted under spruce (Picea sp.) crowns had significantly lower specific leaf mass and the mean leaf area was decreasing from shade to sun. Differences in nutrient contents were not significant between the treatments. We found significantly higher values of minimal (F0) and the maximum fluorescence (Fm) as well as of the maximum quantum yield of PSII photochemistry (Fv/Fm) in the leaves of beeches growing under the spruce crown. Significant differences among treatments were found also in the courses of the values of maximum fluorescence yield Y(II) and nonphotochemical quenching (NPQ). Our study indicated that bud forming processes are only partially responsible for physiological properties of beech leaves evaluated next year after planting. Photosynthetic performance is also influenced by actual growing conditions. A great part of acclimation occurs already in the first year after planting (change of the light conditions). We speculate that this phase of gradual acclimation of the assimilation apparatus can be one of the reasons of physiological weakening of the plant after planting to different light environment.
Źródło:: Folia Forestalia Polonica. Series A . Forestry; 2011, 53, 2
0071-6677
Pojawia się w:: Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:: Biblioteka Nauki

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