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Conservation of Terrestrial Vertebrates in a Global Hotspot of Karst Area in Southwestern China

Zhenhua Luo,Songhua Tang,Zhigang Jiang,J. Chen,H. Fang,Chunwang Li

Published 2016 in Scientific Reports

ABSTRACT

The karst area of southwest China (KASC) is the largest piece of karst landscape on the earth and a global biodiversity hot-spot with high concentrations of endemic species. Although a number of nature reserves (NRs) have been established across the region, the representativeness of biodiversity of the NR system is still unknown. Based on comprehensive literature and field surveys and intensive consultations with zoologists and wildlife managers, we compiled distributions of 1,204 terrestrial vertebrate species and 271 NRs in KASC. We found Jinxiu, Mengla, Hekou and Jinghong have the richest amphibian species; Jinxiu has the highest species richness of reptiles; Jinghong, Menghai and Mengla have the largest numbers of avian species; whereas, Mengla, Longzhou and Ningming have the greatest mammalian diversity in the region. Gap analysis among NR system, species richness pattern and five biogeographic indicators found insufficient representation of the NR system on territorial vertebrate diversity. The conservation effectiveness in Guizhou Province was much lower than that in Guangxi and Yunnan Provinces. Under-representation and over-representation simultaneously occurred in many of the ecoregions, elevation classes, vegetation types, landcover categories and human disturbance intensity gradients. For conservation of terrestrial vertebrates in KASC, several suggestions were presented in this study.

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