岷山、邛崃山山系大熊猫栖息地生态安全综合评价
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国家自然科学基金(31800458);西华师范大学博士启动基金(18Q042)


Comprehensive evaluation on ecological security of the habitat of the giant panda, Ailuropoda melanoleuca in the Minshan Mountains and Qionglai Mountains
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    摘要:

    [目的] 岷山与邛崃山系是大熊猫的重要栖息地,但由于该地区干扰、栖息地破碎化等原因,野生大熊猫的生存和种群复壮仍然存在风险。基于大熊猫习性和生存需求来评价其栖息地生态安全,对于更好地保护野生大熊猫种群、明确保护的地理重点,具有重要现实意义。[方法] 以岷山山系、邛崃山山系范围内各市、区、县为对象,收集并选择最新的社会、地理、生物三大类目中具有代表性的12个因子作为评价指标,运用层次分析法和主成分分析法相结合的方法对该地区大熊猫栖息的生态安全进行综合评价。[结果] 岷山、邛崃山中部的平武县、宝兴县的生态安全指数最高;彭州市、都江堰市和邛崃县等成都的周边地区生态安全指数较低,主要原因是人类活动的影响;都江堰市北部和汶川县域内为大熊猫的重要栖息地,但其生态安全指数较低,需要进一步的保护、管理和恢复;平武中部、松潘、茂县等地区生态安全指数较高,可作为大熊猫潜在栖息地进行保护。[结论] 岷山大熊猫栖息地的生态安全指数总体上高于邛崃山系,但都存在明显的空间异质性。本研究结果可为野生大熊猫生态廊道的建设、圈养大熊猫放归地点选择等工作提供科学依据。

    Abstract:

    [Aim] The Minshan Mountains and Qionglai Mountains are important habitats for Ailuropoda melanoleuca but due to regional interference, habitat fragmentation and many other reasons, there still are risks to the survival and population rejuvenation of A. melanoleuca. It is of great practical significance to evaluate the ecological security of A. melanoleuca habitat based on its habits and survival needs, which is beneficial to provide better protection of A. melanoleuca population and clarify the geographical focus of protection.[Method] Taking the cities, districts and counties located at the range of Minshan Mountains and Qionglai Mountains we selecteded 12 representative factors from the most recent social, geographic and biological categories as evaluation indicators, so as to carry out comprehensive evaluation on ecological security of A. melanoleuca habitat in this area by combining the methods of analytical hierarchy process (AHP) and principal component analysis (PCA).[Result] Pingwu County and Baoxing County in the middle of Minshan Mountains and Qionglai Mountains have the highest valus of the ecological security indicators. The ecological security indicators of the areas surrounding Chengdu, such as Pengzhou City, Dujiangyan City and Qionglai County, are low, mainly caused by the influence of human activities. The northern part of Dujiangyan City and Wenchuan County are important habitats for A. melanoleuca, but their ecological security indicators are relatively low, which indicates that these areas need further protection, management and restoration. The ecological security indicators of central Pingwu, Songpan and Maoxian were relatively high, which can be protected as potential habitats for A. melanoleuca.[Conclusion] The ecological security indicators of A. melanoleuca habitat in Minshan Mountains were higher than that of Qionglai Mountains, but there was obvious spatial heterogeneity in both regions. The results of this research can provide a scientific basis for the construction of ecological corridor for wild A. melanoleuca and the selection of release place locations for captive A. melanoleuca.

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康迪,马玉骁,邹书珍.岷山、邛崃山山系大熊猫栖息地生态安全综合评价[J].生物安全学报中文版,2020,29(2):123-128

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  • 收稿日期:2019-11-28
  • 最后修改日期:2020-02-28
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  • 在线发布日期: 2020-06-19
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