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[1]ZHANG Nan,WANG Ji-Jun,CUI Shao-Fang,et al.Evaluation on Ecosystem Service Value of Converting Farmland into Forestland and Grassland Project in Loess Hilly and Gully Areas—A Case Study of Ansai County, Shaanxi Province[J].Research of Soil and Water Conservation,2013,20(02):176-180,185.

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Evaluation on Ecosystem Service Value of Converting Farmland into Forestland and Grassland Project in Loess Hilly and Gully Areas—A Case Study of Ansai County, Shaanxi Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 02 Page number: 176-180,185 Column: Public date: 2013-04-28

Title:: Evaluation on Ecosystem Service Value of Converting Farmland into Forestland and Grassland Project in Loess Hilly and Gully Areas—A Case Study of Ansai County, Shaanxi Province

Author(s):: ZHANG Nan¹, WANG Ji-Jun^1,2, CUI Shao-Fang², MEI Hua¹, GAO Liang³; 1. College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation CAS & MWR, Yangling, Shaanxi 712100, China;
3. College of Forestry, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: converting farmland into forest and grassland project; ecological compensation; ecosystem service value; Ansai County

CLC:: S718.56

DOI:: -

Abstract:: Based on statistical data, the value of the Converting Farmland into Forest and Grassland Project of Ansai County in 12 years was quantitatively calculated, also its externalities weight analysis was calculated. The results showed that the Converting Farmland into Forest and Grassland Project of Ansai County has achieved the primary target of improving the ecological environment. This project has provided tremendous value for the local area’s ecological and economic development. Total value was 1.037×10¹⁰ Yuan. The externality value was 5.41×10⁹ Yuan, accounting for 52.62% of the total value. The service value of the functions of forests was in the order of: carbon fixation and oxygen release > water conservation > soil conservation > species conservation > environmental purification > action of forest against natural calamities. The most important role was carbon fixation and oxygen release, it played the main role in the nationwide, the external value was more than half of the total value, indicating that loess hilly region contributed to the tremendous power of ecological restoration and soil conservation in the middle and lower reaches of the Yellow River region. Calculated by the the external value, the estimated returning farmland compensation ceiling of Ansai County was 12 325.5 Yuan per hectare.

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