四川若尔盖湿地国家级自然保护区黑颈鹤种群数量及繁殖  

Numbers and breeding success of Black-necked Cranes(Grus nigricollis)at Ruoergai Nature Reserve,Sichuan Province

作　　者：蒋政权[1,2] 李凤山 冉江洪[1] 张波[1] 王彬[1] 张曼[1] 李华 Zheng-Quan JIANG;Feng-Shan LI;Jiang-Hong RAN;Bo ZHANG;Bin WANG;Man ZHANG;Hua LI(College of Life Sciences,Sichuan University,Key Laboratory of Bio-resources and Eco-environment of Ministry of Education,Chengdu 610064,China;College of History and Tourism,Guangxi Normal University,Guilin 541001,China;International Crane Foundation,Baraboo,Wisconsin 53913,USA;Sichuan Ruoergai National Nature Reserve,Ruoergai,Sichuan 624500,China)

机构地区：[1]四川大学生命科学学院生物资源与生态环境教育部重点实验室,中国四川成都610064 [2]广西师范大学历史文化与旅游学院,中国广西桂林541004 [3]国际鹤类基金会,威斯康辛巴拉布53913,美国 [4]四川若尔盖湿地国家级自然保护区管理局,中国四川若尔盖624500

出　　处：《Zoological Research》2014年第S01期128-133,共6页动物学研究（英文）

基　　金：国际鹤类基金会资助项目。

摘　　要：2013年4—9月,对四川若尔盖湿地国家级自然保护区的黑颈鹤(Grus nigricollis)数量及繁殖状况进行了调查,调查结果显示:9月份黑颈鹤的数量有893只,其中繁殖对174对(348只),当年幼鹤275只,非繁殖鹤270只;黑颈鹤主要分布在花湖、措拉坚湖、哈丘湖、措丘湖等湖泊洼地沼泽和尧拉乔、纳洛乔、黑青乔、南恩且开等大面积伏流宽谷沼泽;繁殖鹤比例占整个鹤群数量的70%左右,非繁殖鹤占30%左右,非繁殖鹤的最大集群数量达106只;在繁殖鹤中,有90.2%的繁殖对当年繁殖成功;幼鹤在6月份出壳最多,为151只,占整个幼鹤数量的54.5%,9月份当年幼鹤数量占种群数量的30.8%。保护区需加强对黑颈鹤主要繁殖地湖泊和大面积沼泽湿地的保护。A survey was conducted on Black-necked Cranes(Grus nigricollis)and their breeding success from April–September,2013 at Ruoergai National Nature Reserve.There were 893 Black-necked Cranes in September,including 174 breeding pairs(348 birds),275 chicks,and 270 non-breeding individuals.The cranes mainly were recorded at Huahu,Cuolajian,Haqiu,and Cuoqiu Lakes and the surrounding marshes,as well as riverine marshes at Lalianqiao,Heiqinqiao,and Nanenqiekai valleys.All of them,70%were breeding pairs,30%were non-breeding individual,with a largest flock of 106 birds was recorded.Of all breeding pairs,90.2%had their eggs laid and hatched,mostly in June with 151 chicks(54.5%).Number of chicks accounted for 30.8%of the total number of Black-necked Cranes in September.Effective measures should be taken to protect lakes and other wetlands that are used by Black-necked Cranes for breeding at Ruoergai.

关 键 词：黑颈鹤 若尔盖湿地 数量 繁殖 

分 类 号：Q959.7[生物学—动物学] Q958.1