保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
The site protects key threatened species, including giant arapaima fish , the amazonian manatee, the black caiman and two species of river dolphin.
保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
The site protects key threatened species including giant arapaima fish the amazonian manatee the black caiman and two species of river dolphin.
本研究对广东中山淡水寡毛类进行了区系调查，对长江中下游13个阻隔湖泊和通江湖泊进行了底栖动物群落环境梯度分析，初步构建了环境指示函数。
The present paper embodies two studies: faunal analysis of aquatic oligochaeta in Zhongshan, South China, and environment gradient analyses of zoobenthos in 13 Yangtze shallow lakes.
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