Giant panda survival crisis remains serious based on the ecosystem catastrophe model

Giant panda survival crisis remains serious based on the ecosystem catastrophe model Article history: The habitat area of the giant panda and the number of wild populations have increased significantly over Received 8 January 2017 the past decade, while habitat fragmentation and survival crisis of local populations have become more Received in revised form 23 May 2017 serious. To assess the current survival status of the giant panda, we analyzed the Third and Fourth National Accepted 24 May 2017 Panda Survey data using trend line analysis, moving T-test, and catastrophe theory. The catastrophe Available online 4 June 2017 potential function and the cusp catastrophe model were constructed to analyze the ecosystem stability. The results showed that over the past decade, each single index, such as habitat area or population size, Keywords: increased, and the discreteness of local population size and habitat patch area improved. However, no Giant panda substantial improvement was identified in discreteness, whereas ecosystem stability was weakened by Habitat severe habitat fragmentation and population isolation. Population © 2017 Elsevier B.V. All rights reserved. Ecosystem Catastrophe theory 1. Introduction (Tuanmu et al., 2013). The forest-bamboo-panda system includes co-evolution and interaction of the components (Shen, 2002). Thus, The giant panda, as a highly specialized species, is highly vul- the local population http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecological Modelling Elsevier

Giant panda survival crisis remains serious based on the ecosystem catastrophe model

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0304-3800
eISSN
1872-7026
D.O.I.
10.1016/j.ecolmodel.2017.05.022
Publisher site
See Article on Publisher Site

Abstract

Article history: The habitat area of the giant panda and the number of wild populations have increased significantly over Received 8 January 2017 the past decade, while habitat fragmentation and survival crisis of local populations have become more Received in revised form 23 May 2017 serious. To assess the current survival status of the giant panda, we analyzed the Third and Fourth National Accepted 24 May 2017 Panda Survey data using trend line analysis, moving T-test, and catastrophe theory. The catastrophe Available online 4 June 2017 potential function and the cusp catastrophe model were constructed to analyze the ecosystem stability. The results showed that over the past decade, each single index, such as habitat area or population size, Keywords: increased, and the discreteness of local population size and habitat patch area improved. However, no Giant panda substantial improvement was identified in discreteness, whereas ecosystem stability was weakened by Habitat severe habitat fragmentation and population isolation. Population © 2017 Elsevier B.V. All rights reserved. Ecosystem Catastrophe theory 1. Introduction (Tuanmu et al., 2013). The forest-bamboo-panda system includes co-evolution and interaction of the components (Shen, 2002). Thus, The giant panda, as a highly specialized species, is highly vul- the local population

Journal

Ecological ModellingElsevier

Published: Sep 10, 2017

References

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