IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.3
Implications of tree species – environment relationships for the responsiveness of Himalayan krummholz treelines to climate change
Niels SCHWAB; Udo SCHICKHOFF; Birgit BÜRZLE; Michael MÜLLER; Jürgen BÖHNER; Ram Prasad CHAUDHARY; Thomas SCHOLTEN; Jens OLDELAND
Corresponding AuthorNiels SCHWAB
2017-03
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume14Issue:3Pages:453-473
Subtype期刊论文
Other AbstractClimate warming is expected to advance treelines to higher elevations. However, empirical studies in diverse mountain ranges give evidence of both advancing alpine treelines as well as rather insignificant responses. In this context, we aim at investigating the sensitivity and responsiveness of the near-natural treeline ecotone in Rolwaling Himal, Nepal, to climate warming. We analysed population densities of tree species along the treeline ecotone from closed forest stands via the krummholz belt to alpine dwarf shrub heaths (3700-4200 m) at 50 plots in 2013 and 2014. We quantified species - environment relationships, i.e. the change of environmental conditions (e.g., nutrient and thermal deficits, plant interactions) across the ecotone by means of redundancy analyses, variation partitioning and distance-based Moran's eigenvector maps. In particular, we focus on explaining the high competitiveness of Rhododendron campanulatum forming a dense krummholz belt and on the implications for the responsiveness of Himalayan krummholz treelines to climate change. Results indicate that treeline trees in the ecotone show species-specific responses to the influence of environmental parameters, and that juvenile and adult tree responses are modulated by environmental constraints in differing intensity. Moreover, the species - environment relationships suggest that the investigated krummholz belt will largely prevent the upward migration of other tree species and thus constrain the future response of Himalayan krummholz treelines to climate warming.
KeywordHimalaya Nepal Population Structure Rhododendron Campanulatum Spatial Patterns Species-environment Relationships Stand Density Variation Partitioning
DOI10.1007/s11629-016-4257-z
Indexed BySCI
Language英语
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18434
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.3
Recommended Citation
GB/T 7714
Niels SCHWAB,Udo SCHICKHOFF,Birgit BÜRZLE,等. Implications of tree species – environment relationships for the responsiveness of Himalayan krummholz treelines to climate change[J]. Journal of Mountain Science,2017,14(3):453-473.
APA Niels SCHWAB.,Udo SCHICKHOFF.,Birgit BÜRZLE.,Michael MÜLLER.,Jürgen BÖHNER.,...&Jens OLDELAND.(2017).Implications of tree species – environment relationships for the responsiveness of Himalayan krummholz treelines to climate change.Journal of Mountain Science,14(3),453-473.
MLA Niels SCHWAB,et al."Implications of tree species – environment relationships for the responsiveness of Himalayan krummholz treelines to climate change".Journal of Mountain Science 14.3(2017):453-473.
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