Temat: native stand - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Geographical pattern of haplotypic variation in Austrian native stands of Picea abies
Autorzy:: Mengl, M
Geburek, T.
Schueler, S.
Powiązania:: https://bibliotekanauki.pl/articles/41567.pdf
Data publikacji:: 2009
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: international conference
Europe
forest ecosystem
plant breeding
tree
Norway spruce
Picea abies
mitochondrial DNA
biogeography
genetic diversity
haplotypic variation
native stand
Austria
tree species
Opis:: In the present study we analysed the mitochondrial intraspecific variation in natural populations of Norway spruce. We used the second intron of the nad1 gene, which contains two polymorphic short tandem repeats. Due to the maternal inheritance of mitochondrial DNA in Norway spruce, the spatial distribution of haplotype DNA allows insights into seed dispersal and artificial seed transfer. A total of 504 trees distributed all over Austria were genotyped, and 9 different haplotypes could be found. A geographical map of the haplotype variation pattern of Picea abies is presented.
Źródło:: Dendrobiology; 2009, 61 Supplement
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Differences in chemical composition of needle and leaf litter from exotic and native tree species stands
Autorzy:: Skorupski, M.
Jagodzinski, A.M.
Zytkowiak, R.
Karolewski, P.
Powiązania:: https://bibliotekanauki.pl/articles/41087.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: chemical composition
differentiation
needle
leaf litter
exotic plant
native species
tree
plant species
stand
nitrogen
phenolics
carbohydrate
carbon
Opis:: The potential differentiations in litter chemistry among native and non-native trees are poorly understood. We compared the chemical composition of leaf litterfall of 11 exotic tree species, e.g. coniferous: Abies cephalonica, A. grandis, A. procera, Chamaecyparis pisifera, Pinus peuce, Pseudotsuga menziesii, Thuja plicata, and deciduous: Acer rubrum, A. saccharum, Betula alleghaniensis and Quercus rubra, with that of a native European conifer, Pinus sylvestris (as reference to coniferous species) anda mixture of native European Quercus robur, Carpinus betulus, Tilia cordata, T. platyphyllos and Corylus avellana leaves (as a reference mixture of deciduous species). We found significant differences among the species studied in nitrogen and carbon content in needles/leaves, C/N ratio, as well as total soluble phenolic compounds (TPh) and total nonstructural carbohydrates (TNC) content, including soluble carbohydrates and starch. However, we found no clear differentiation of exotic from native tree species in the analyzed elements and metabolites. Among the exotic coniferous tree species, P. menziesii stood out among the species studied – fallen needles of this species were characterized by relatively high TPh and TNC content. The relationships between TPh and TNC content in leaf and needle litter among tree species were similar among two consecutive years. For deciduous tree species, the tendency of higher TPh content and C/N ratio in leaves falling earlier (September; leaves of sun-type) than later (November; leaves of shade-type) was more distinct than in coniferous tree species. Generally, we cannot see any special differences in the levels or mutual quantitative relationships of the chemical compounds studied in fallen needles/leaves of exotic tree species in comparison with native tree species.
Źródło:: Dendrobiology; 2012, 68
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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