【摘要】 根据所收集的资料和东北虎网络信息监测结果,分析了我国野生东北虎38年期间分布区的变化。结果表明,20世纪70年代长白山、甄峰岭、小兴安岭仍然有虎分布,到80年代分布区退缩为孤岛状,90年代退缩为完达山东部、老爷岭南部、大龙岭、哈尔巴岭和张广才岭南部5个孤立的分布区。近年来,随着东北虎种群数量增长,其分布区具有向周边扩散的趋势,在多年不见东北虎的历史分布区也多次发现游荡个体。更多还原

【Abstract】 Change on amur tiger distribution during recent 38 years was analyzed basing on datasets of line transect survey and net monitoring. The results showed that tiger population also distributed in Changbaishan, Zhenfengling and Xiaoxinganling range in the 1970 s, and developed isolating distribution sub-regions to 1980s; The distribution range shrunk to five sub-regions including eastern Wanda Mountains,southern Laoyeling, Dalongling, Harbaling and Southern Zhangguangcailing. But distribution range spread into a part of history distribution areas according to population recovery in recent years.更多还原