安徽农业科学2012,Vol.40Issue(21):11001-11004,4.
天津市七里海湿地价值评估
Assessment on Qilihai Wetland Value in Tianjin City
摘要
Abstract
[ Objective] Tlie study aimed at assessing the whole value of Qilihai Wetland in Tianjin City [ Method] In this study, the whole value of-Qilihai Wetland was divided into two parts, namely use value and non-use value. The use value of Qilihai Wetland was estimated by market value, travel cost, shadow project method and so forth, and the non-use value of Qilihai Wetland was assessed by contingent valuation method. [Result] The total value of Qilihai Wetland reached 1.892 billion yuan, wherein the direct use value, including animal and plant products, tourism, scientific and cultural value, was 0.539 billion yuan, accounting for 28% of total value; the indirect use value, composed of functional values in hydrology, water qniality, erosion control, CO2 fixation and habitat, was up to 0.965 billion yuan, making up 51% ; the non-use value totaled0.388 billion yuan, taking up 21%. In addition, the ecological benefit of Qilihai Wetland was (he maximum, accounting for 72% of total benefit, followed by economic benefit (21%), while the social benefit was the minimum (9%). [Conclusion] The results can provide scientific references for the effective conservation and sustainable utilization of Qilihai Wfitiand.关键词
七里海湿地/价值评估/使用价值/非使用价值Key words
Qilihai Wetland/ Value assessment/ Use value/ Non-use value分类
农业科技引用本文复制引用
胡蓓蓓,徐利淼,李兆江,孟伟庆..天津市七里海湿地价值评估[J].安徽农业科学,2012,40(21):11001-11004,4.基金项目
国家自然科学基金重点项目(40730526) (40730526)
天津市高等学校人文社会科学研究一般项目(20092117) (20092117)
天津师范大学博士基金(52X09019) (52X09019)
天津市自然科学基金重点项目(11JCZDJC24500). (11JCZDJC24500)