滦河口湿地曾是世界四大黑嘴鸥繁殖地之一。
The Luanhekou wetland was one of the four larus saundersi s breeding sites.
本文对黑嘴鸥繁殖栖息地的保护和管理提出了一些建议。
Some Suggestions are put for-ward for protection and management of breeding habitat for Saunders' Gull.
宗旨：保护珍稀，濒危鸟类黑嘴鸥及其栖息地，使这一物种不被灭迹。
Mission : to protect the rare and endangered Sounders'Gull species and its habitat from extinction.
本文初步讨论了黑嘴鸥的栖息地类型和影响黑嘴鸥种群数量变动的主要因素。
This paper also provides the habitat types and factors affecting the distribution and population of Saunders' s Gull.
本文初步讨论了黑嘴鸥的栖息地类型和影响黑嘴鸥种群数量变动的主要因素。
This paper also provides the habitat types and factors affecting the distribution and population of Saunders' s Gull.
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