Back-and-forth shifts in habitat selection by giant pandas over the past two decades in the Daxiangling Mountains, southwestern China

大熊猫 栖息地 竹子 生态学 选择(遗传算法) 濒危物种 地理 生物 人工智能 计算机科学
作者
Minxia Fu,Han Pan,Xinqiang Song,Qiang Dai,Dunwu Qi,Jianghong Ran,Rong Hou,Xuyu Yang,Xiaodong Gu,Biao Yang,Yu Xu,Zejun Zhang
出处
期刊:Journal for Nature Conservation [Elsevier BV]
卷期号:66: 126129-126129 被引量:8
标识
DOI:10.1016/j.jnc.2022.126129
摘要

Habitat selection is a complex process, and animals may change their habitat selection over time. However, we have a poor understanding of temporal variation in habitat selection of endangered giant pandas (Ailuropoda melanoleuca), which has limited the development of conservation strategies for them. This study examined giant panda habitat selection in three stages of the past two decades (2001–2002, 2011–2012, and 2019–2020) in the Daxiangling Mountains, southwestern China. We applied the resource selection function to estimate the probability of species occurrence with five limiting habitat factors, i.e., elevation, slope, aspect, tree diameter at breast height, and bamboo cover. We found that giant pandas consistently selected for south- and west-facing slopes with mid-elevations and large trees in the three stages. However, there were shifts back-and-forth in the choice between higher and lower elevations and between higher and lower bamboo cover across the three stages. We suggest that the giant panda habitat selection had important consequences for gaining the high availability of palatable bamboo and good shelters. The back-and-forth shifts might be the result of changes in the type, spatial distribution, and intensity of human disturbance. Our study provides insights for improving our understanding and approaches for quantifying temporal variation in habitat selection in giant pandas and other species, suggesting that adaptive conservation and management in response to changing environments is needed.
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