利用不同家域计算方法对野骆驼栖息地空间利用的比较

doi:10.16829/j.slxb.150672

兽类学报 ›› 2023, Vol. 43 ›› Issue (1): 102-108.DOI: 10.16829/j.slxb.150672

利用不同家域计算方法对野骆驼栖息地空间利用的比较

周永祥¹, 薛亚东²(), 刘少创³, 刘建泉¹, 周多良¹

^1.甘肃安南坝野骆驼国家级自然保护区管护中心，阿克塞 736400
^2.中国林业科学研究院森林生态环境与自然保护研究所，生物多样性保护国家林业和草原局重点实验室，北京 100091
^3.中国科学院空天信息创新研究院，北京 100094

收稿日期:2022-03-30 接受日期:2022-07-05 出版日期:2023-01-30 发布日期:2023-01-10
通讯作者: 薛亚东
作者简介:周永祥 (1982- )，男，硕士研究生，主要从事野生动物保护研究.
基金资助:
甘肃省林业和草原科技计划项目(2020kj073);国家自然科学基金青年科学基金(31800324);新疆罗布泊野骆驼国家级自然保护区综合科学考察项目

Wild camel space use as determined by different home range estimators

Yongxiang ZHOU¹, Yadong XUE²(), Shaochuang LIU³, Jianquan LIU¹, Duoliang ZHOU¹

^1.Gansu Annanba Wild Camel National Nature Reserve, Akesai 736400, China
^2.Key Laboratory of Biodiversity Conservation, State Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
^3.Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

Received:2022-03-30 Accepted:2022-07-05 Online:2023-01-30 Published:2023-01-10
Contact: Yadong XUE

摘要/Abstract

关键词: 卫星追踪定位技术, 野骆驼, 家域, 保护优先区

Abstract:

Satellite tracking and positioning technology has been widely used to estimate species home ranges, habitat selection, and migration behavior, which can provide the scientific basis necessary for endangered species conservation and management. In this study, the home ranges of two wild camels (Camelus ferus) were determined using minimum convex polygons, Kernel density estimators, and dynamic Brownian Bridge Movement Models (dBBMM).The advantages, disadvantages, and applicable scenarios of these methods were discussed and key habitats and conservation priority areas of wild camels were identified. The dBBMM home range was the most accurate in relation to the distribution of the camels studied. The average home range (95% dBBMM) and the average core home range (50% dBBMM) were 300.11 km² and 7.02 km², respectively. The average monthly home range (95% dBBMM) of the two wild camels was 164.98 km² and 39.67 km², respectively, and the average monthly core home range (50% dBBMM) was 4.69 km² and 2.71 km², respectively. The northern and western regions of the nature reserve harbored key habitats for wild camels, and should be regarded as conservation priority areas. We propose the use of a multi-method estimation to comprehensively and holistically identify key habitats. The dBBMM home range calculations of wild camels at different life history stages can identify their stopover sites and corridors, which is helpful for the development of management measures and fine-scale conservation actions.

Key words: Satellite tracking and positioning technology, Wild camel (Camelus ferus), Home range, Conservation priority areas

中图分类号:

Q958.1

周永祥, 薛亚东, 刘少创, 刘建泉, 周多良. 利用不同家域计算方法对野骆驼栖息地空间利用的比较[J]. 兽类学报, 2023, 43(1): 102-108.

Yongxiang ZHOU, Yadong XUE, Shaochuang LIU, Jianquan LIU, Duoliang ZHOU. Wild camel space use as determined by different home range estimators[J]. ACTA THERIOLOGICA SINICA, 2023, 43(1): 102-108.

图/表 5

图1 研究区及周边区域示意图. ANB：甘肃安南坝野骆驼国家级自然保护区；LBP：新疆罗布泊野骆驼国家级自然保护区；DHXH：甘肃敦煌西湖国家级自然保护区

Fig.1 The map of study area and surrounding areas. ANB: Gansu Annanba Wild Camel National Nature Reserve; LBP: Xinjiang Lop Nur Wild Camel National Nature Reserve; DHXH: Gansu Dunhuang Xihu National Nature Reserve

图2 不同计算方法得出的野骆驼家域空间分布.A：编号3317679野骆驼的MCP家域；B：编号3316206野骆驼的MCP家域；C：编号3317679野骆驼的KDE家域；D：编号3316206野骆驼的KDE家域；E：编号3317679野骆驼的dBBMM家域；F：编号3316206野骆驼的dBBMM家域

Fig.2 Home range for wild camel 3317679 and 3316206 using different methods.A: MCP home range of 3317679 wild camel; B: MCP home range of 3316206 wild camel; C: KDE home range of 3317679 wild camel; D: KDE home range of 3316206 wild camel; E: dBBMM home range of 3317679 wild camel; F: dBBMM home range of 3316206 wild camel

表1 不同月份编号3317679野骆驼活动范围

Table 1 Home range for 3317679 wild camel in different months

月份^* Month^*	MCP家域 MCP home rang （km²）	95% KDE家域 95% KDE home range（km²）	50% KDE家域 50% KDE home range （km²）	95% dBBMM家域 95% dBBMM home range （km²）	50% dBBMM家域 50% dBBMM home range （km²）
202103	4 930.92	1 460.12	225.39	294.92	6.52
202104	1 440.45	1 782.84	154.62	150.03	2.66
202105	556.34	417.01	40.29	75.86	2.59
202106	269.46	142.43	7.44	139.11	7.01

表2 不同月份编号3316206野骆驼活动范围

Table 2 Home range for 3316206 wild camel in different months

月份 Month	MCP家域 MCP home range （km²）	95% KDE家域 95% KDE home range（km²）	50% KDE家域 50% KDE home range（km²）	95% dBBMM家域 95% dBBMM home range （km²）	50% dBBMM家域 50% dBBMM home range （km²）
202012	351.42	313.81	44.02	23.11	1.86
202101	369.37	552.88	80.48	31.32	2.49
202102	631.50	798.57	90.61	40.66	3.81
202103	167.42	103.73	6.62	24.29	1.84
202104	381.88	371.48	36.60	36.10	2.26
202105	1 309.48	1 797.44	401.90	62.00	2.03
202106	1 291.45	982.32	186.32	60.20	4.68

图3 野骆驼dBBMM家域逐月分布.A：编号3317679野骆驼；B：编号3316206野骆驼

Fig.3 dBBMM home range for wild camels in different months. A: 3317679 wild camel; B: 3316206 wild camel

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利用不同家域计算方法对野骆驼栖息地空间利用的比较

Wild camel space use as determined by different home range estimators

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