Researches on Optimization Plan of Sichuan Nanhe National Wetland Park Based on Evaluation of Ecosystem Service Value

ZENG Ting-ting; LIANG Gang

doi:10.16779/j.cnki.1003-5508.2019.02.006

In order to scientifically evaluate the effectiveness of Sichuan Nanhe National Wetland Park establishment, and to further propose an National Wetland Park superior strategy, the unit area ecosystem service value equivalent table was used to calculate the changes of ecosystem service value in Sichuan Nanhe National Wetland Park from 2005 to 2018. The results showed that the value of ecosystem services increased year by year in Nanhe National Wetland Park, with a growth rate of 40.4%. The growth rates of climate regulation, biodiversity, aesthetic landscape and soil conservation were 330.7%, 267.0%, 201.1% and 193.9%, respectively. Gas regulation, raw material production, maintenance of nutrient recycling, purification environment, water supply, and hydrological regulation growth rates were 176.9%, 120.2%, 94.2%, 71.4%, 31.7%, and 18.5%.Based on the above research, an optimization strategy was proposed in combining functional zoning, gradually increasing the wetland area, and improving the ecological structure.

Sichuan Nanhe National Wetland Park Management Office, Guangyuan 628000, China;Guangyuan Environmental Monitoring Center Station, Guangyuan 628000, China

Received Date: 2019-01-14

Key words:

Abstract: In order to scientifically evaluate the effectiveness of Sichuan Nanhe National Wetland Park establishment, and to further propose an National Wetland Park superior strategy, the unit area ecosystem service value equivalent table was used to calculate the changes of ecosystem service value in Sichuan Nanhe National Wetland Park from 2005 to 2018. The results showed that the value of ecosystem services increased year by year in Nanhe National Wetland Park, with a growth rate of 40.4%. The growth rates of climate regulation, biodiversity, aesthetic landscape and soil conservation were 330.7%, 267.0%, 201.1% and 193.9%, respectively. Gas regulation, raw material production, maintenance of nutrient recycling, purification environment, water supply, and hydrological regulation growth rates were 176.9%, 120.2%, 94.2%, 71.4%, 31.7%, and 18.5%.Based on the above research, an optimization strategy was proposed in combining functional zoning, gradually increasing the wetland area, and improving the ecological structure.

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Researches on Optimization Plan of Sichuan Nanhe National Wetland Park Based on Evaluation of Ecosystem Service Value

doi: 10.16779/j.cnki.1003-5508.2019.02.006

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通讯作者: 陈斌, bchen63@163.com

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