兽类学报 ›› 2021, Vol. 41 ›› Issue (1): 20-31.DOI: 10.16829/j.slxb.150416

• 研究论文 • 上一篇    下一篇

基于MaxEnt模式的白头叶猴栖息地评价——以广西崇左白头叶猴保护区为例

吴曼菲1, 胡湛波1, 周岐海2, 吴坚宝3   

  1. 1 广西大学资源环境与材料学院, 南宁 530004;
    2 珍稀濒危动植物生态与环境保护教育部重点实验室, 广西师范大学, 桂林 541004;
    3 广西崇左白头叶猴国家级自然保护区管理局, 崇左 532204
  • 收稿日期:2020-02-22 出版日期:2021-01-30 发布日期:2021-01-21
  • 通讯作者: 胡湛波,E-mail:huzhanbo@gxu.edu.cn;周岐海,E-mail:zhouqh@ioz.ac.cn
  • 作者简介:吴曼菲(1990-),女,硕士,主要从事生态环境恢复与管理研究.
  • 基金资助:
    国家自然科学基金项目(31870514);广西自然科学基金项目(2019GXNSFDA245021)

Habitat suitability assessment of the white-headed langur (Trachy-pithecus leucocephalus) based on MaxEnt modeling: a case study of the Chongzuo White-Headed Langur Nature Reserve, Guangxi

WU Manfei1, HU Zhanbo1, ZHOU Qihai2, WU Jianbao3   

  1. 1 School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China;
    2 Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Ministry of Education, Guangxi Normal University, Guilin 541004, China;
    3 Guangxi Chongzuo White-Headed Langur National Nature Reserve Bureau, Chongzuo 532204, China
  • Received:2020-02-22 Online:2021-01-30 Published:2021-01-21

摘要: 针对物种分布格局与其环境变量关系的研究,对于生态廊道规划与环境恢复研究具有重要意义。本文以白头叶猴(Trachypithecus leucocephalus)为研究对象,针对广西崇左白头叶猴国家级自然保护区51个白头叶猴分布点和11个环境变量数据,利用MaxEnt模型(maximum entropy modeling)对栖息地适宜性进行综合评价,通过模型生成栖息地适宜度指数(habitat suitability index,HSI)阈值,划定研究区域为低适生区、适生区和高适生区3种类型,其中低适生区面积为5 061.43 km2,适生区和高适生区面积分别为42.80 km2和20.63 km2。主要环境变量分析表明:年均降水量、土地利用分类、坡度和年平均气温的综合贡献值分别为54.6%、17.4%、11.8%和9.5%,4项环境变量累积贡献值达到93.3%,是影响白头叶猴分布的主要环境因素。为更有效保护白头叶猴及其栖息地,建议在保护区规划生态廊道,扩大恢复区内白头叶猴适宜栖息地面积,以促进白头叶猴种群间基因交流。

 

关键词: 白头叶猴, 适宜度评价, 生态廊道, MaxEnt模型

Abstract: The study of relationships between species distribution patterns and environmental variables is of great significance to the planning of ecological corridors and environmental restoration.We collected 51 distribution points of Trachypithecus leucocephalus and 11 environmental variables in the National Nature Reserve of the white-headed langur in Chongzuo, Guangxi.This paper makes a comprehensive evaluation of habitat suitability by using maximum entropy modeling, which generated habitat suitability indices through threshold delimitation.We delimited low-suitability area, suitable area and highly-suitable area, which covered 5 061.43 km2, 42.80 km2 and 20.63 km2 respectively.The analysis of environmental variables showed that the comprehensive contribution values of annual precipitation, land use classification, slope and annual average temperature were 54.6%, 17.4%, 11.8% and 9.5% respectively.The cumulative contribution value of those four environmental variables was 93.3%, suggesting that these factors had greatest effect on the distribution of white headed langurs.In order to effectively protect the white-headed langur and its habitat, we suggest planning ecological corridors within the reserve in order to expand the suitable habitat into the restoration area and promote intergroup gene exchange between the langurs.

Key words: White-headed langur(Trachypithecus leucocephalus), Suitability analysis, Ecological corridor, MaxEnt model

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