内陆沙漠湖-东居延海鸟类多样性调查
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摘要
为掌握东居延海重新蓄水后鸟类组成及分布状况,2014~2016年鸟类迁徙季节和繁殖期,采用固定半径样点法,对居延海8个调查地点鸟类资源进行调查,3月~10月共记录鸟类61种,隶属于12目21科,红嘴鸥(Larus brunnicephalus)和赤嘴潜鸭(Netta rufina)是优势种类;其中,留鸟12种,夏候鸟37种,旅鸟11种,居留型不确定鸟类1种;国家I级重点保护野生鸟类2种,国家Ⅱ级重点保护野生鸟类10种,大红鹳(Phoenicopterus ruber)是内蒙古新记录物种.繁殖鸟类是居延海地区鸟类主体,记录到50种;古北界鸟27种(占繁殖鸟类总数54.00%),东洋界鸟1种(占繁殖鸟类总数2.00%),广布种鸟22种(占繁殖鸟类总数44.00%).
In order to master composition and distribution of birds in inland desert lake of Juyanhai after storing water,a fixed-radius point count survey was used to study the wetland bird diversity of 8 samples in Juyanhai region.The results showed that there are 61 species belonging to 21 families and 12 orders recorded during three surveys in the migratory seasons and the breeding period from 2014 to 2016.Among them 9 species were resident birds,41 species were summer birds,10 species were traveling birds,others were uncertain types.The black-headed gull and red-crested pochard are the dominant species of wetland birds.Among these birds,2 species has been listed as the national first grade and 10 species as the national second-grade wildlife of China for protection.Greater flamingo was a new distribution recorded species.50 species breeding birds constitute the main part of total species.For the avifauna,there were 27 palaearctic elements,1 oriental element and 22 widespread elements,which were accounted for 54%,2% and 44% of total breeding bird species.
In order to master composition and distribution of birds in inland desert lake of Juyanhai after storing water,a fixed-radius point count survey was used to study the wetland bird diversity of 8 samples in Juyanhai region.The results showed that there are 61 species belonging to 21 families and 12 orders recorded during three surveys in the migratory seasons and the breeding period from 2014 to 2016.Among them 9 species were resident birds,41 species were summer birds,10 species were traveling birds,others were uncertain types.The black-headed gull and red-crested pochard are the dominant species of wetland birds.Among these birds,2 species has been listed as the national first grade and 10 species as the national second-grade wildlife of China for protection.Greater flamingo was a new distribution recorded species.50 species breeding birds constitute the main part of total species.For the avifauna,there were 27 palaearctic elements,1 oriental element and 22 widespread elements,which were accounted for 54%,2% and 44% of total breeding bird species.
引文
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[3]郑光美.中国鸟类分类与分布名录[M].2版.北京:科学出版社,2011.
[4]张荣祖.中国动物地理[M].北京:科学出版社,1999.
[5]旭日干.内蒙古动物志:第三卷[M].呼和浩特:内蒙古大学出版社,2006.
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