检索结果-南通市图书馆

Area-corrected species richness patterns of vascular plants along a tropical elevational gradient

Journal of Mountain Science 2017年第4期14卷 694-704页

作者： XU Xiang ZHANG Hua-yong LUO Jian ZHANG Dong-jie MAAthen North China Electric Power University Research Center for Engineering Ecology and Nonlinear Science Queen Mary University of London School of Electronic Engineering and Computer Science

The relationship and elevation is a hot issue between species richness in ecology and has been documented extensively. It is widely accepted that area size can significantly affect this relationship and thus mask the effects of other predictors. Despite the importance of the relationship between species richness and elevation while accounting for the area effect, it is insufficiently studied. Here, we evaluated area-corrected species richness patterns of all vascular plants as well as six vascular plant subgroups （seed plants, ferns, trees, shrubs, herbs and vines） along a tropical elevational gradient （Hainan Island, China）. If assessed in equal-elevation bands, uncorrected species richness showed bell-shaped curves, while area-corrected species richness assessed in equal-area bands appeared to increase monotonically due to the small proportion of highlands on Hainan Island. The mid-domain effect （MDE） was significantly correlated with both uncorrected and area-corrected species richness. On Hainan Island, the use of equal-area elevational bands increased the explanatory power of *** findings provide useful insights to adjust for the area effect and highlight the need to use equal- area bands along the elevational gradient.

关键词： Hainan Island Species-area relationship Mid-domain effect Vascular plant diversity growthform

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