唐家河国家级自然保护区四川羚牛(Budorcastibetanus)活动节律及季节变化  

Activity Rhythm and Seasonal Changes of Sichuan Takin(Budorcas tibetanus) in Tangjiahe National Nature Reserve,Sichuan Province

作　　者：肖梅 何芳 杨旭 蔡丽君 谌利民[1] 杨彪 李生强[4] XIAO Mei;HE Fang;YANG Xu;CAI Lijun;SHEN Limin;YANG Biao;LI Shengqiang(Tangjiahe National Nature Reserve Adiministration Bureau,Qingchuan 628109,China;Chengdu Xing-Ai Information Technology Co.,Ltd.,Chengdu 610051,China;Key Laboratory of Southwest China Wildlife Resources Conservation(Ministry of Education),China West Normal University,Nanchong 637002,China;Guangxi Key Laboratory of Rare and Endangered Animal Ecology,Guangxi Normal University,Guilin 541004,China)

机构地区：[1]四川省唐家河国家级自然保护区管理处,四川青川628109 [2]成都兴艾信息技术有限公司,四川成都610051 [3]西华师范大学,西南野生动植物资源保护教育部重点实验室,四川南充637002 [4]广西师范大学,广西珍稀濒危动物生态学重点实验室,广西桂林541004

出　　处：《四川林业科技》2022年第3期36-43,共8页Journal of Sichuan Forestry Science and Technology

摘　　要：2017年7月—2018年6月,利用红外相机对唐家河国家级自然保护区内野生四川羚牛(Budorcas tibetanus)开展持续监测并分析其活动节律。研究累计16 840个有效相机工作日,共在62个相机位点拍摄到四川羚牛活动,共获得独立有效记录1 455次(春季267次、夏季158次、秋季823次、冬季207次)。采用核密度估计方法(Kernel density estimation)和重叠指数(Coefficient of overlap)来分析数据,结果显示:四川羚牛在不同季节的日活动节律均有2个活动高峰(春季:06:50—09:10, 14:50—19:50;夏季:06:50—08:00,14:50—20:10;秋季:07:10—10:00, 15:30—19:00;冬季:08:50—09:40,14:40—19:50),均主要在晨昏活动。四川羚牛在早上的活动高峰期秋季(2.83 h)>春季(2.33 h)>夏季(1.67 h)>冬季(0.83 h),而傍晚的活动高峰期夏季(5.33 h)>冬季(5.17 h)>春季(5 h)>秋季(3.5 h)。四川羚牛的活动节律存在季节性变化,其中春季和秋季、春季和夏季、夏季和秋季之间存在显著差异(P<0.05),而其余季节间无显著差异,重叠指数上春季和夏季最高(Δ=0.922),而秋季和冬季最低(Δ=0.829)。四川羚牛活动具有昼行性,主要在白天活动,夜间仅有少量的活动痕迹。From July 2017 to June 2018, the infrared camera was uesd to continuously monitor the wild Sichuan Takin(Budorcas tibetanus) in Tangjiahe National Nature Reserve and analyze its activity rhythm. During the study period, a total of 16,840 effective camera working days and 62 camera sites of the distribution of Sichuan Takin were recorded and a total of 1 455 independent and effective records were obtained(267 in spring, 158 in summer, 823 in autumn and207 in winter). The kernel density estimation and coefficient of overlap were used to analyze the daily activity rhythm of Sichuan Takin. The results showed that:(1) There were two activity peaks in the daily activity rhythm of Sichuan Takin in different seasons(spring: 06:50 —09:10, 14:50 —19:50;summer: 06:50 —08:00, 14:50 —20:10;autumn:07:10—10:00, 15:30—19:00;winter: 08:50—09:40,14:40—19:50), and all distributed in the morning and evening.(2)The peak activity of Sichuan Takin in the morning was autumn(2.83 h) > spring(2.33 h) > summer(1.67 h) > winter(0.83 h), while the peak activity in the evening was summer(5.33 h) > winter(5.17 h) > spring(5 h) > autumn(3.5 h).(3) There were seasonal changes in the activity rhythm of Sichuan Takin, among which there were significant differences between spring and autumn, spring and summer, and summer and autumn(P<0.05), while there were no significant differences among other seasons. The overlap index was highest in spring and summer(Δ=0.922), and lowest in autumn and winter(Δ=0.829). The activity of Sichuan Takin was diurnal, mainly in the daytime with only a few activity traces at night.

关 键 词：四川羚牛 唐家河保护区 红外相机 活动节律 核密度估计 重叠指数 

分 类 号：Q958[生物学—动物学]