【摘要】 参考Costanza提出的生态系统服务功能类型,对九段沙湿地生态系统服务功能价值进行初步评估。估算结果是:2002年九段沙湿地生态系统服务功能年价值为(26446.184×104)y.其中气体调节功能价值(11653.2×104)y,养分循环价值(5.849×104)y,栖息地价值(4166.7×104)y,物质产品价值(17.6×104)y,科研文化价值(10602.835×104)y。更多还原

【Abstract】 The functions of the wetland ecosystem of the Jiuduansha Nature Reserve are evaluated on the basis of the ecological function types advanced by costanza. The result shows that the total value of the services contributed by the Jiuduansha wetland ecosystem in 2002 is about RMB 264. 5 million yuan, of which, about 116. 5 million yuan is ascribed to gas regualtion, about 0. 06 million yuan to nutrient cycling, aboub 41. 7 million yuan to animal habitat, about 0.18 million yuan to wetland vegetation’s output and about 106 million yuan to culture and scientific researches.更多还原