期刊
ARCTIC ANTARCTIC AND ALPINE RESEARCH
卷 42, 期 4, 页码 471-475出版社
TAYLOR & FRANCIS LTD
DOI: 10.1657/1938-4246-42.4.471
关键词
-
资金
- Knud Hojgaard Foundation
- Commission for Scientific Research in Greenland [602 128]
Dendroclimatological reconstructions may be influenced by intraspecific variation in radial growth caused by plant gender and ecotypic differentiation We examined the growth response of the High Arctic Salix arctica to interannual variation in snow precipitation in Zackenberg, NE Greenland Tree ring examinations revealed a consistent response of annual radial growth in this dwarf shrub to variation in the amount of snow precipitation across gender and across three distinct vegetation types Annual growth, however, differed between vegetation types These results are discussed with respect to an improved understanding of the factors limiting the growth of S arctica, which can be used for future reconstructions of climatic conditions, especially in remote High Arctic regions
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