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
Ecological Modelling – Elsevier
Published: Sep 10, 2017
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