Article: Elevational patterns of seed plants and the driving mechanisms in the Himalaya.
Ying yong sheng tai xue bao = The journal of applied ecology
2023 Volume 34, Issue 7, Page(s) 1787–1796
Abstract: The Himalaya is an important biodiversity hotspot on earth, which is of great significance to study the elevational gradients in plant diversity and its influencing factors for further revealing the formation of biodiversity and conservation. In this ... ...
Title translation | 喜马拉雅山脉种子植物海拔梯度分布格局及其影响因素. |
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Abstract | The Himalaya is an important biodiversity hotspot on earth, which is of great significance to study the elevational gradients in plant diversity and its influencing factors for further revealing the formation of biodiversity and conservation. In this study, we measured the elevational range of 11886 seed plant species and different growth-forms (7918 herbaceous species, 2587 shrub species, and 1388 tree species) in the Himalaya. Using the optimal fitted regression models, we found that species richness and phylogenetic diversity of seed plants in the Himalaya mainly showed unimodal curves with the increases of elevation. The species richness and phylogenetic diversity of all species, trees, shrubs and herbaceous species reached the maximum value at the elevation of about 2000, 1000, 1600 and 3000 m, respectively. The results of partial regression and hierarchical partitioning analysis showed that climate and topography together drove the elevational gradient in plant diversity. Among these, mean annual temperature and annual precipitation contributed greatly to the elevational pattern, while surface area ratio and topographic heterogeneity had little influence. Compared with all species and herbaceous species, the elevational gradients of trees and shrubs plants were affected to a greater extent by the interaction between climate and topography. |
MeSH term(s) | Phylogeny ; Seeds ; Biodiversity ; Climate ; Temperature |
Language | English |
Publishing date | 2023-08-24 |
Publishing country | China |
Document type | Journal Article |
ZDB-ID | 2881809-X |
ISSN | 1001-9332 |
ISSN | 1001-9332 |
DOI | 10.13287/j.1001-9332.202307.008 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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