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资源科学 2011
Evaluation of Rare Bird Value and Characteristics in Beijing Wetlands
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Abstract:
Wetlands are one of the most productive ecosystems which have tremendous economic and social benefits on Earth.The relationship between birds and wetlands is pretty close,because birds have special sensitivity which is an important indicator to the wetland environment.By analyzing a large number of survey data about Beijing wetlands,a conclusion has been drawn that Beijing wetlands are generally rich in bird resources,comprising a total of 36 orders,89 families,and 393 species rare birds,accounting for 75.6...