基于MaxEnt模型的褐马鸡西部种群适宜栖息地研究

doi:10.19741/j.issn.1673-4831.2019.0474

生态与农村环境学报 ›› 2020, Vol. 36 ›› Issue (4): 499-504.doi: 10.19741/j.issn.1673-4831.2019.0474

基于MaxEnt模型的褐马鸡西部种群适宜栖息地研究

李宏群¹, 牛常会², 韩培士², 刘晓莉³, 符勇耀¹

1. 长江师范学院现代农业与生物工程学院, 重庆 408100;
2. 延安市黄龙山林业局, 陕西延安 715700;
3. 长江师范学院图书馆, 重庆 408100

收稿日期:2019-05-08 出版日期:2020-04-25 发布日期:2020-04-27
通讯作者: 刘晓莉,E-mail:87055977@qq.com E-mail:87055977@qq.com
作者简介:李宏群(1973-),男,陕西蓝田人,博士,主要研究方向为动物生态与保护生物学。E-mail:lihongqun2001@126.com
基金资助:
国家自然科学基金面上项目（31870515）；重庆市科委基础研究与前沿探索项目（cstc2018jcyjAX0557）；重庆市高校优秀成果转化资助项目（KJZH17132）

Study on the Suitable Habitat of Western Population of Brown-Eared Pheasent Crossoptilon mantchuricum Based on MaxEnt Model

LI Hong-qun¹, NIU Chang-hui², HAN Pei-shi², LIU Xiao-li³, FU Yong-yao¹

1. School of Modern Agriculture and Bioengineering, Yangtze Normal University, Chongqing 408100, China;
2. Yan'an Huanglongshan Forestry Bureau, Yan'an 715700, China;
3. Library, Yangtze Normal University, Chongqing 408100, China

Received:2019-05-08 Online:2020-04-25 Published:2020-04-27

摘要/Abstract

摘要： 基于褐马鸡（Crossoptilon mantchuricum）西部种群的126个分布数据及25个环境变量，利用MaxEnt模型对其适宜生境及主要影响因子进行定量分析。结果显示，模型的预测结果达优秀水平。最干季平均温度、最干月降水量、最冷季平均降水量、最热月极高温度和距道路的距离是主要影响因子，其阈值分别为-6.0~-4.3 ℃、4.90~5.75 mm、15.3~16.8 mm、23.0~26.3 ℃和0~54 m。褐马鸡西部种群适宜栖息地集中在陕西省黄龙县、宜川县、洛川县和韩城市。从各县（市）不同适宜等级面积而言，适宜栖息地面积由大到小依次为黄龙县>韩城市>宜川县>洛川县。目前在陕西省黄龙山建立了2个与褐马鸡有关的国家级自然保护区，但褐马鸡最适宜栖息地和中等适宜栖息地已超出保护区范围，建议当地政府或林业管理部门调整保护区的规划或者加强这些超出区域的监测力度。

关键词: 褐马鸡, MaxEnt模型, 主要影响因子, 适宜栖息地, 黄龙山

Abstract: Based on 126 known coordinates and 25 environmental factors of brown-eared pheasent Crossoptilon mantchuricum, and its potential suitable habitat and main influencing factors were analyzed in Huanglong Mountains by using MaxEnt model. Results show that the accuracy of Maxent model was excellent in predicting its potential habitat, with an AUC value of 0.988 and 0.984 for model training and testing. Mean temperature of driest quarter, precipitation of driest month, precipitation of coldest quarter, maximum temperature of warmest month and distance to road were the main environmental factors influencing the habitat of brown-eared pheasant with thresholds of -6.0--4.3 ℃, 4.90-5.75 mm, 15.3-16.8 mm, 23.0-26.3 ℃ and 0-54 m, respectively. The potential distribution areas of the western population are in Huanglong County, Yichuan County, Luochuan County and Hancheng City in Shaanxi Province. The suitable areas of each county or city are as follows: Huanglong County> Hancheng City> Yichuan County> Luochuan County, indicating that Huanglong County is the main living area of the pheasant, followed by Hancheng City, Yichuan County and Luochuan County. At present, two national nature reserves related to the pheasant have been established in Huanglong Mountain, Shaanxi Province. However, the suitable and medium suitable habitats of the pheasant exceeded the boundary of the nature reserve, suggesting that the government or forestry department needs to adjust the planning of the nature reserve or that surveillance should be strengthened in these areas beyond the boundaries.

Key words: Crossoptilon mantchuricum, MaxEnt model, main environmental factors, suitable habitat, Huanglong Mountain

中图分类号:

Q958.1

李宏群, 牛常会, 韩培士, 刘晓莉, 符勇耀. 基于MaxEnt模型的褐马鸡西部种群适宜栖息地研究[J]. 生态与农村环境学报, 2020, 36(4): 499-504.

LI Hong-qun, NIU Chang-hui, HAN Pei-shi, LIU Xiao-li, FU Yong-yao. Study on the Suitable Habitat of Western Population of Brown-Eared Pheasent Crossoptilon mantchuricum Based on MaxEnt Model[J]. Journal of Ecology and Rural Environment, 2020, 36(4): 499-504.

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基于MaxEnt模型的褐马鸡西部种群适宜栖息地研究

Study on the Suitable Habitat of Western Population of Brown-Eared Pheasent Crossoptilon mantchuricum Based on MaxEnt Model

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