Arid
DOI10.1016/j.ecolind.2015.04.012
Soil-moisture conditions indicated by field-layer plants help identify vulnerable forests in the forest-steppe of semi-arid Southern Siberia
Anenkhonov, Oleg A.1; Korolyuk, Andrey Yu.2; Sandanov, Denis V.1; Liu, Hongyan3; Zverev, Andrei A.4; Guo, Dali5
通讯作者Anenkhonov, Oleg A.
来源期刊ECOLOGICAL INDICATORS
ISSN1470-160X
EISSN1872-7034
出版年2015
卷号57页码:196-207
英文摘要

High variability in soil-moisture conditions is typical for semi-arid forest-steppe ecosystems where precipitation varies greatly over time. Plant species that inhabit these environments integrate responses to broadly fluctuating wetness conditions. Indirect assessment of contrasting habitat wetness based on plant indicator values, species frequency, and species coverage was carried out in two sites representing the larch (Larix sibirica) and pine (PinUS sylveStriS) forest-steppe communities. For the larch forest-steppe, we found that plant community composition and spatial structure depended strongly on wetness. In addition, we found that the vegetation was clearly differentiated into forest stands and steppe communities, depending on the slope aspect. There was also a strong correlation between dissimilarities of species composition and differences in habitat wetness revealed in the larch forest-steppe. In contrast, soil properties, such as gravel and stone content were found to be a key factor in the spatial distribution of plant species composition in the pine-forest-steppe communities. Indirect assessment of moisture conditions in the forest-steppe habitats, based on the field-layer plant species, was found to be preferable for indicating soil water deficits in the forest. Furthermore, as long-term observational data is often lacking, indirect assessment of the forest-steppe vegetation provides an opportunity to identify vulnerable forests at the marginal distribution. Based on indirect assessments of soil-moisture conditions, and taking into account differences in potential drought resistance between larch and pine forests, we concluded that increasing aridity will cause the replacement of Siberian larch by Scots pine in the South Siberian forest-steppe landscape. Consequently, in the future it is likely that forest-steppe typological diversity will decrease, and the semi-arid landscape may become more monotonous. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Forest-steppe Plant indicator values Habitat wetness Plant distribution patterns Semi-arid vegetation Pine forest Larch forest Forest vulnerability Climate change Southern Siberia
类型Article
语种英语
国家Russia ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000358091800024
WOS关键词TREE MORTALITY ; LARIX-SIBIRICA ; SCOTS PINE ; SPATIAL VARIATIONS ; DECIDUOUS FORESTS ; VEGETATION SHIFTS ; SUMMER DROUGHT ; CLIMATE ; VALUES ; MICROCLIMATE
WOS类目Biodiversity Conservation ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
来源机构中国科学院地理科学与资源研究所 ; 中国科学院植物研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186803
作者单位1.Russian Acad Sci, Inst Gen & Expt Biol, Siberian Branch, Ulan Ude 670047, Russia;
2.Russian Acad Sci, Cent Siberian Bot Garden, Siberian Branch, Novosibirsk 630090, Russia;
3.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China;
4.Tomsk State Univ, Tomsk 634050, Russia;
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714
Anenkhonov, Oleg A.,Korolyuk, Andrey Yu.,Sandanov, Denis V.,et al. Soil-moisture conditions indicated by field-layer plants help identify vulnerable forests in the forest-steppe of semi-arid Southern Siberia[J]. 中国科学院地理科学与资源研究所, 中国科学院植物研究所,2015,57:196-207.
APA Anenkhonov, Oleg A.,Korolyuk, Andrey Yu.,Sandanov, Denis V.,Liu, Hongyan,Zverev, Andrei A.,&Guo, Dali.(2015).Soil-moisture conditions indicated by field-layer plants help identify vulnerable forests in the forest-steppe of semi-arid Southern Siberia.ECOLOGICAL INDICATORS,57,196-207.
MLA Anenkhonov, Oleg A.,et al."Soil-moisture conditions indicated by field-layer plants help identify vulnerable forests in the forest-steppe of semi-arid Southern Siberia".ECOLOGICAL INDICATORS 57(2015):196-207.
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