| 生物土壤与生态 |
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| Assessment on Ecological Economic Value of Yintan Wetland in Lanzhou City |
WANG Zhi-ping1; LIN Dong2 |
| 1.College of Economy and Management, Gansu Agricultural University, Lanzhou 730070, China;
2.Pratacultural College, Gansu Agricultural University, Lanzhou 730070, China |
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Abstract Based on analysis of the ecosystem service function of artificial wetland, the paper discussed the significance of biodiversity protection and the existence of hydrological controlling ecological function region in wetland of Huanghe river basin, and calculated the central ecological economic value of Lanzhou Yintan Wetland on aspects of carbon fixation and oxygen release, air quality purifying, water resource conservation and research culture. The results showed that the central ecological economic value of Yintan wetland ecosystem was 16.237 million RMB in theory. The value of carbon fixation and oxygen release was 3.2488 million RMB. The research culture value was 0.1153 million RMB. But the actual water supply and the green system structure are unreasonable. This wetland will give full play to the eco-economic benefit through rationally allocating the green system and optimizing the water diversion ditches.
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Received: 12 October 2007
Published: 20 March 2008
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2008, Vol. 28 
