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DOI: 10.1371/journal.pone.0174231
论文题名:
Integrating the effects of latitude and altitude on the spatial differentiation of plant community diversity in a mountainous ecosystem in China
作者: Manhou Xu; Li Ma; Yanyan Jia; Min Liu
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2017
发表日期: 2017-3-21
卷: 12, 期:3
语种: 英语
英文关键词: Latitude ; Herbs ; Species diversity ; Shrubs ; Conifers ; Trees ; Shannon index ; Simpson index
英文摘要: Varying patterns of plant community diversity along geographical gradients are a significant topic in biodiversity research. Here, to explore the integrated effects of latitude and altitude on the plant community diversity in a mountainous ecosystem, we set Guancen Mountain in the northern section, Guandi Mountain in the middle section, and Wulu Mountain in the southern section of the Lvliang Mountains as study areas, and the plant community diversity (basal diameter and height of tree and species diversity indices of shrub and herb) was measured horizontally at different latitude gradients and vertically at different altitude gradients in late July 2015. The results showed that (1) the trees were taller and wider at the middle latitude and higher altitude with a stronger spatial heterogeneity in the structures along the latitudinal and altitudinal gradients. The evergreen tree growth preceded that of the deciduous trees in the higher latitude and lower altitude regions, whereas the deciduous tree growth preceded that of the evergreen trees in the middle latitude and higher altitude regions. (2) Shrubs and herbs tended to grow well in the lower latitude and middle-lower altitude regions. The shrubs had a larger species diversity at lower latitude and lower altitude, but the species diversity of the herbs was not sensitive to the influences of the latitudinal and altitudinal gradients. With the latitude and altitude increasing, perennial herbs tended to grow well at higher latitude and higher altitude, while annual herbs tended to thrive at the middle latitude and lower altitude. In conclusion, environmental deviations caused by latitudinal and altitudinal gradients had great influences on the spatial distributions of the plant community diversity in the Lvliang Mountains.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0174231&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/25866
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Institute of Geographical Science, Taiyuan Normal University, Jinzhong, China;Institute of Geographical Science, Taiyuan Normal University, Jinzhong, China;Institute of Geographical Science, Taiyuan Normal University, Jinzhong, China;Institute of Geographical Science, Taiyuan Normal University, Jinzhong, China

Recommended Citation:
Manhou Xu,Li Ma,Yanyan Jia,et al. Integrating the effects of latitude and altitude on the spatial differentiation of plant community diversity in a mountainous ecosystem in China[J]. PLOS ONE,2017-01-01,12(3)
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