宁夏鸟类新纪录遗鸥繁殖群及其生境初探
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摘要
2016年5月25日在宁夏回族自治区双猫头湖发现了遗鸥。2016年和2017年,利用无人机监测与定点观察相结合的方法,对遗鸥新的繁殖群、繁殖地进行了考察。计数遗鸥810只,约410个繁殖对。繁殖地为湖上2个岛,植被稀疏。另观察到其他鸟类48种。遗鸥食物来源为数量巨大的摇蚊类和豆娘。此次发现为遗鸥在我国繁殖地的新发现。
Relict gull( Larus relictus) was recorded at Shuangmaotou Lake in Ningxia Hui Autonomous Region( 106°46'13″-106°48'15″E; 37°43'26″-37°44'27″N) on May 25,2016. The new breeding population and breeding sites were investigated using drones combined with fixed-point observation in 2016 and 2017. 810 relict gulls( about 410 breeding pairs) were counted. The breeding sites are two islands on the lake where the vegetation is sparse. Forty-eight other bird species recorded. Large numbers of chironomids and Damselflies provided prey for the breeding relict gulls. This is a new record for relict gull breeding in China.
Relict gull( Larus relictus) was recorded at Shuangmaotou Lake in Ningxia Hui Autonomous Region( 106°46'13″-106°48'15″E; 37°43'26″-37°44'27″N) on May 25,2016. The new breeding population and breeding sites were investigated using drones combined with fixed-point observation in 2016 and 2017. 810 relict gulls( about 410 breeding pairs) were counted. The breeding sites are two islands on the lake where the vegetation is sparse. Forty-eight other bird species recorded. Large numbers of chironomids and Damselflies provided prey for the breeding relict gulls. This is a new record for relict gull breeding in China.
引文
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[2]郑光美.中国鸟类分布与分类名录[M].3版.北京:科学出版社,2017:87.
[3]吴渊,张海,张有强,等.河北张家口康巴诺尔湖国家湿地公园遗鸥繁殖群新发现[J].动物学杂志,2016:51(4):668-670.
[4]高立杰,侯建华,董建新,等.遗鸥繁殖期新分布---内蒙古袄太湿地[J].动物学杂志,2013,48(1):141-142.
[5]肖红,王开锋,冯宁,等.陕西定边苟池湿地发现遗鸥繁殖群分布[J].动物学杂志,2013,48(5):776-777.
[6]傅景文.宁夏鸟类图鉴[M].银川:宁夏人民出版社,2007:307.
[7]刘振生,胡天华,王力军.贺兰山脊椎动物[M].银川:宁夏人民出版社,2009:136-138.
[8]王香亭.宁夏脊椎动物志[M].银川:宁夏人民出版社,1990:136-138.
[9]刘迺发,王香亭,罗文英,等.六盘山地区鸟类区系研究[J].兰州大学学报(自然科学版),1988,24(3):65-75.
[10]余殿,尤万学,李志军,等.宁夏哈巴湖国家级自然保护区鸟类多样性研究[J].野生动物学报,2014,35(3):289-295.
[11]杜天奎,马金锋,张宁,等.宁夏沙湖自然保护区春季鸟类群落组成及多样性研究[J].湖北农业科学,2012,51(15):3267-3275.