Ecological Function Value Change of Grassland in Sunitezuo Banner

doi:10.11924/j.issn.1000-6850.casb16010129

Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (25): 119-126.doi: 10.11924/j.issn.1000-6850.casb16010129

Special Issue: 资源与环境；农业生态

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Ecological Function Value Change of Grassland in Sunitezuo Banner

刘欣超,邱晓,王慧敏,常虹,孙海莲 and 翟琇

Received:2016-01-26 Revised:2016-08-12 Accepted:2016-05-23 Online:2016-08-29 Published:2016-08-29

Abstract

Abstract: The paper aims to study the ecological function value change of grassland in Sunitezuo Banner, Inn er Mongolia during 2000- 2010. The ecological functions of carbon fixation and oxygen release, air purification, water conservation and wind erosion resistance of grassland in Sunitezuo Banner in 2000, 2005 and 2010 were studied and valued, and the ecological function values were calculated. The results showed that: the total value of ecological function of grassland in Sunitezuo Banner was 3.34×109 yuan, 1.82×109 yuan and 3.49×109 yuan in 2000, 2005 and 2010 respectively, which meant the ecological function of grassland in Sunitezuo Banner decreased by 41% from 2000 to 2005, and increased by 5% from 2000 to 2010, and it clarified that the ecological environment was the worst in 2005, which was caused by lower precipitation in 2005 compared with other years, and there was a positive correlation between the ecological function value and precipitation. The grassland is a complex ecosystem, since there are many shortages in the theory and methods of ecological function value study, so the ecological function values of grassland in Sunitezuo Banner calculated based on current technology are conservative and underestimated.

刘欣超,邱晓,王慧敏,常虹,孙海莲 and 翟琇. Ecological Function Value Change of Grassland in Sunitezuo Banner[J]. Chinese Agricultural Science Bulletin, 2016, 32(25): 119-126.

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Ecological Function Value Change of Grassland in Sunitezuo Banner

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