摘要
基于野外调查和网络足迹信息监测收集的东北虎数据，分析研究了我国野生东北虎种群数量38年的变动趋势，结果表明，1975～2000年，黑龙江省东北虎种群数量从81只下降到5～7只，吉林省东北虎群数量从70只下降到7～9只；2000—2013年，黑龙江省东北虎种群数量上升到12—14只，吉林省东北虎种群数量上升到11—13只；我国野生东北虎种群数量呈现增长趋势，在完达山、大龙岭和老爷岭南部发现了母虎带领幼虎活动的足迹信息。
Population fluctuation of amur tiger during recent 38 years was analyzed basing on datasets of line transect survey and net monitoring. Results shown that population size of amur tiger declined from 81 to 5 - 7 individuals, 70 to 7 - 9 individuals from 1975 to 2000 respectively in Heilongjiang Province and Jilin Province; Population number of amur tiger increased respectively from increased to 12 - 14 individuals, 11 to 13 individuals until 2013 year in Heilongjiang Province and Jilin Province. Wild population of amur tiger presented increasing trends in recent years in China, especially signs of tigess followed by cub tiger was founded by researchers.
出处
《林业科技》
2015年第4期51-54,共4页
Forestry Science & Technology
基金
国家林业公益性行业专项"东北虎种群及栖息地保护恢复技术研究"(201104063)项目资助
