Chen Wei, Zhang Yuke, Chui Wen, et al. Evaluation on Ecosystem Service Values of Wetland in Loess Plateau—A Case Study at Qianhu National Wetland Park, Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2019, 39(4): 270-274.
DOI:
Chen Wei, Zhang Yuke, Chui Wen, et al. Evaluation on Ecosystem Service Values of Wetland in Loess Plateau—A Case Study at Qianhu National Wetland Park, Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2019, 39(4): 270-274. DOI: 10.13961/j.cnki.stbctb.2019.04.042.
Evaluation on Ecosystem Service Values of Wetland in Loess Plateau—A Case Study at Qianhu National Wetland Park, Shaanxi Province
[Objective] The ecological system service value of wetlands in Loess Plateau was evaluated scienti-fically in order to preserve the wetland ecological service
and to formulate a complete ecological conservation and compensation policy in Loess Plateau.[Methods] Based on fundamental data and other relevant data in Qianhu National Wetland Park
Shaanxi Province
direct and indirect usage values
including air regulation
water storage and retention and others 7 items of ecosystem service values were divided into estimated by methods of market-price
shadow-price and carbon tax
and so on.[Results] Among all the ecological system service values
air regulation service had the highest value which accounted for 87.5% of total ecological system service value; followed by cultural use
which accounted for 5.73% of total service value. The water purification service had the lowest value
which only counted for 0.09%. The system service value went up about 7.90×105 yuan per hectare
which was smaller than that of Hechuan Wetland
another wetland located in Shaanxi Province.[Conclusion] The total value of the ecosystem service functions were about 3.30×108 yuan. The indirect use value of ecosystem service accounted for 90.5%
which was markedly higher than that of the direct use value (9.5%).
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references
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