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@article{768403,
author = {Chytrý, Milan and Danihelka, Jiří and Kubešová, Svatava and Lustyk, Pavel and Ermakov, Nikolai and Hájek, Michal and Hájková, Petra and Kočí, Martin and Otýpková, Zdenka and Roleček, Jan and Řezníčková, Marcela and Šmarda, Petr and Valachovič, Milan and Popov, Denis and Pišút, Ivan},
article_location = {Netherlands},
article_number = {1},
keywords = {Classification; Hemiboreal forest; Ordination; Soil pH; Species response curve; Taiga; Vegetation-environment relationships},
language = {eng},
issn = {1385-0237},
journal = {Plant Ecology},
title = {Diversity of forest vegetation across a strong gradient of climatic continentality: Western Sayan Mountains, southern Siberia},
url = {http://www.springerlink.com/content/y22l371781tpp84u/?p=a16db4538a3e4981afc44672b848dc7d&pi=5},
volume = {196},
year = {2008}
}
TY - JOUR
ID - 768403
AU - Chytrý, Milan - Danihelka, Jiří - Kubešová, Svatava - Lustyk, Pavel - Ermakov, Nikolai - Hájek, Michal - Hájková, Petra - Kočí, Martin - Otýpková, Zdenka - Roleček, Jan - Řezníčková, Marcela - Šmarda, Petr - Valachovič, Milan - Popov, Denis - Pišút, Ivan
PY - 2008
TI - Diversity of forest vegetation across a strong gradient of climatic continentality: Western Sayan Mountains, southern Siberia
JF - Plant Ecology
VL - 196
IS - 1
SP - 61-83
EP - 61-83
PB - Springer
SN - 13850237
KW - Classification
KW - Hemiboreal forest
KW - Ordination
KW - Soil pH
KW - Species response curve
KW - Taiga
KW - Vegetation-environment relationships
UR - http://www.springerlink.com/content/y22l371781tpp84u/?p=a16db4538a3e4981afc44672b848dc7d&pi=5
N2 - Southern Siberian mountain ranges encompass strong climatic contrasts from the relatively oceanic northern foothills to strongly continental intermountain basins in the south. Landscapescale climatic differences create vegetation patterns, which are analogous to the broad-scale vegetation zonation over large areas of northern Eurasia. In their southern, continental areas, these mountains harbour forest types which potentially resemble the fullglacial forests recently reconstructed for Central Europe. To identify forest vegetation-environment relationships in the southern Siberian mountain ranges, forest vegetation of the Western Sayan Mountains was sampled on a 280 km transect running from the northern foothills with oceanic climatic features to the continental Central Tuvinian Basin in the south. Based on the species composition, vegetation was classified into hemiboreal forests, occurring at drier and summer-warm sites with high-pH soil, and taiga, occurring at wetter, summer-cool sites with acidic soil. Hemiboreal forests included Betula pendula-Pinus sylvestris mesic forest, Larix sibirica dry forest and Pinus sylvestris dry forest. Taiga included Abies sibirica-Betula pendula wet forest, Abies sibirica-Pinus sibirica mesic forest and Pinus sibirica-Picea obovata continental forest. Hemiboreal forests were richer in vascular plant species, while taiga was richer in ground-dwelling cryptogams. Vegetation-environment relationships were analysed by indirect and direct ordination. Winter and summer temperatures and precipitation exerted a dominant influence on species composition. Soil pH was also an important correlate of species composition, but this factor itself was probably controlled by precipitation. At a more local scale, the main source of variation in species composition was topography, producing landscape patterns of contrasting plant communities on slopes of different aspects and valley bottoms. The response of tree species to major environmental factors was expressed with Huisman-Olff-Fresco models. Larix sibirica appeared to be most resistant to drought and winter frosts, Pinus sibirica was adapted to low temperatures both in winter and summer, and Picea obovata had an intermediate response to climate. Betula pendula, Pinus sylvestris and Populus tremula were associated with the warmest sites with intermediate precipitation, while Abies sibirica was the most moisture-demanding species, sensitive to deep winter frosts.
ER -
CHYTRÝ, Milan, Jiří DANIHELKA, Svatava KUBEŠOVÁ, Pavel LUSTYK, Nikolai ERMAKOV, Michal HÁJEK, Petra HÁJKOVÁ, Martin KOČÍ, Zdenka OTÝPKOVÁ, Jan ROLEČEK, Marcela ŘEZNÍČKOVÁ, Petr ŠMARDA, Milan VALACHOVIČ, Denis POPOV and Ivan PIŠÚT. Diversity of forest vegetation across a strong gradient of climatic continentality: Western Sayan Mountains, southern Siberia. \textit{Plant Ecology}. Netherlands: Springer, vol.~196, No~1, p.~61-83. ISSN~1385-0237. 2008.
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