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当前位置: 首页 > 文章 > 疣鼻天鹅的分布、迁徙及其保护——以达赉湖自然保护区为例 干旱区研究 2009,26 (1) 80-83
Position: Home > Articles > Distribution,Migration and Protection of Cygnus olor——A Case Study in the Dalai Lake Nature Reserve Arid Zone Research 2009,26 (1) 80-83

疣鼻天鹅的分布、迁徙及其保护——以达赉湖自然保护区为例

作  者：
赵格日乐图;刘松涛;格日乐朝克图;李国海;崔国发
单  位：
北京林业大学;内蒙古达赉湖国家级自然保护区管理局
关键词：
疣鼻天鹅;迁徙;达赉湖自然保护区;内蒙古
摘  要：
2006年8月至2007年8月,对内蒙古达赉湖国家级自然保护区疣鼻天鹅的分布现状和迁徙动态进行了研究。结果显示:疣鼻天鹅主要分布于乌兰诺尔核心区,通常4月初开始迁来,迁徙高峰期为5月下旬至6月初,数量最多时达68只,少数迁徙个体停留到7月10日。繁殖个体通常10月下旬迁离,秋季未见其他迁徙个体路过保护区。栖息地的缩减和退化以及旅游、捕捞、拣鸟蛋、狩猎等为疣鼻天鹅的主要受胁因素,保护区应采取相应的管理对策。
译  名：
Distribution,Migration and Protection of Cygnus olor——A Case Study in the Dalai Lake Nature Reserve
作  者：
ZHAO Gerelt1,2, LIU Song-tao3, Gerelchaokt3, LI Guo-hai3, CUI Guo-fa1(1.College of Nature Reserve,Beijing Forestry University,Beijing 100083,China;2.College of Life Science and Technology,Inner Mongolia Normal University,Hohhot 010022,China;3.Bureau of Dalai Lake National Nature Reserve,Hailar 021008,Inner Mongolia,China)
关键词：
Cygnus olor;migration;Dalai Lake Nature Reserve;Inner Mongolia.
摘  要：
In this study,the distribution and migration of Cygnus olor in the Dalai Lake National Nature Reserve in Inner Mongolia were evaluated from August 2006 to August 2007.The results revealed that Cygnus olor birds were primarily distributed in the core area of Ulannur,but that they generally begin generally to migrate from early-April,and their migration peak occurs from late-May to early-June.Furthermore,the results demonstrated that a maximum of 68 birds can remain in the study area,and that several birds stay until July 10.However,reproductive birds stay until late-October,or as long as 196 days.No other birds in the nature reserve how been found to migrate to date.Whether the Cygnus olor in the nature reserve stay or migrate is impacted by many factors,including the reduction,disappearance and degeneration of their habitats,ecotourism,fishing,egg gathering and hunting.Therefore,it is suggested that the management of the nature reserve be enhanced by enlarging the bodies of water currently in the reserve,accelerating the water circle and increasing the groundwater level by increasing the inflow from the Uersun River,and regenerating the natural vegetation.

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