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[1]GU Wen,ZHAO A-li,XU Jian,et al.Evaluation on Sloping Land Conversion Program in Xiannangou Watershed Based on the Concept of Carbon Sink[J].Research of Soil and Water Conservation,2014,21(02):144-151,157.

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Evaluation on Sloping Land Conversion Program in Xiannangou Watershed Based on the Concept of Carbon Sink

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 02 Page number: 144-151,157 Column: Public date: 2014-04-28

Title:: Evaluation on Sloping Land Conversion Program in Xiannangou Watershed Based on the Concept of Carbon Sink

Author(s):: GU Wen^1,2, ZHAO A-li³, XU Jian⁴, WANG Ji-jun^1,5; 1. Institute of Soil and Water Conservation CAS & MWR, Yangling, Shaanxi 712100, China;
2. Yantai Water Building Conservancy Investigation & Desing Academy, Yantai Shandong, 264000, China;
3. The Coordination Leading Group Office of Hanjiang-to-Weihe River Project in Shaanxi Province, Xi’an 710032, China;
4. Petrochina Changqing Oil field Company, Xi’an 710018, China

Keywords:: sloping land conversion program (SLCP); carbon sinks; land-use type; clean cevelopment mechanism (CDM); Xiannangou Watershed

CLC:: S718.55;F301.2

DOI:: -

Abstract:: Sloping Land Conversion Program (SLCP) has changed the land use structure which had a significant impact on the pattern of carbon sink from a typical watershed on the Loess Plateau. To evaluate the effect of the SLCP, various methods were used to calculate the quantity of carbon sources and sinks of woodland, grassland, orchard, cultivated land, and construction land in Xiannangou Watershed. The results showed that the SLCP has increased carbon sinks of the watershed significantly and farmers became the producer of carbon sinks. Woodland is the main land-use type of carbon sink. The carbon sink of woodland increased rapidly with the increase of woodland area. The carbon sinks of cultivated lands maintain stable in the case of the decrease of cultivated land by the change of the farming and planting structure. Location and the degree of SLCP make the difference of land-use type, and then they make the diversity of carbon sinks. The empirical results show that at the same time, the sources of carbon sinks are woodland and grassland according to CDM. In order to increase the quantity of carbon sinks in Xiannangou Watershed, the application rates of chemical fertilizers should be reduced and the quality of woodland and application of organic fertilizer should be enhanced. The effect and stabilize the result of SLCP can be further improved through the establishment of a carbon trading mechanism and the commercialization of carbon sinks.

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