九段沙是长江口新生沙岛。
九段沙湿地的昆虫群落与植物密度存在着较为显著的相关。
The insect community in Jiuduansha wetland is relevant with plant density.
上海九段沙湿地自然保护区位于长江入海口，是由长江挟带的泥沙不断淤积而形成的沙洲。
Shanghai Jiuduansha Wetland Nature Reserve is located at the estuary of Yangtze River. It is a shoal made by the sand from Yangtze River.
上海九段沙湿地自然保护区位于长江入海口，是由长江挟带的泥沙不断淤积而形成的沙洲。
Shanghai Jiuduansha Wetland Nature Reserve is located at the estuary of Yangtze River. It is a shoal made by the sand from Yangtze River.
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