中文摘要：

生态功能重要性评价,是保护自然生态系统和生物多样性的重要基础。基于生态功能分区理论和方法,利用鄱阳湖湿地水文、生物、DEM等数据,对鄱阳湖湿地生物多样性保护生态功能的重要性进行了评价,将鄱阳湖湿地生物多样性保护生态功能重要性划分为极重要、高度重要、重要和一般重要4个区,面积分别为477,1 027,1 845,373 km2。极重要区主要位于鄱阳湖湿地西南区域的永修、新建和南昌三县以及东面的鄱阳县。鄱阳湖湿地生物多样性保护重点是水生植物、候鸟、底栖动物和鱼类繁育场所,这些生物在空间上具有较高的重叠性,这些重叠区域对于湿地生物多样性保护生态功能意义重大。此基础上,提出了加强鄱阳湖湿地生物多样性保护的几点措施和对策,为保护鄱阳湖湿地,维护＂一湖清水＂提供参考。

英文摘要：

Importance appraising of Ecological function is the important base for the protection of natural ecosystem and biodiversity. This paper appraises the ecological function zones for the protection of biodiversity in Poyang Lake wetlands based on the theory and method of ecological function zoning and the data of hydrology,biology and DEM. The four ecological function zones were identified as the vital important zone,the high important zone,the important zone and the general important zone,and their areas are 477 km2,1 027 km2,1 845 km2 and 373 km2 respectively. The vital important zone located in Yongxiu,Xinjian and Nanchang counties on the southern-western part of the wetlands and Poyang county on the eastern part. Hydrophytes,migratory birds,zoobenthos and fish breeding regions are very significant for biodiversity protection. These living things overlap in spatial region,and these spatial regions are of vital importance for ecosystem function protection of biodiversity. Some measures are proposed to strengthen the protection of biodiversity in Poyang Lake Wetlands.