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Yanbo Li
Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China

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Journal article
Published: 30 November 2019 in Sustainability
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Irrigation systems are critical for food security and drought adaptation in mountainous areas. However, lack of funding and low efficacy of government-funded irrigation projects hinders irrigation infrastructure development. A public–private partnership (PPP) model is recommended for irrigation development, but its application in mountainous areas has not been well-documented and analyzed. Based on a case study of pumping station projects in the Lujiang Flatland in the Nujiang River Valley of Southwestern China, this paper aims to reveal the critical success factors of the PPP model in the development of agricultural irrigation infrastructure in mountainous areas. Results showed that the basic models of PPP projects in the study area can be described as follows: (1) private companies invested in and constructed pumping stations; (2) communities operated the stations; (3) farmers paid for the services; and (4) private companies profited from charging water fees, obtaining policy supports, or utilizing farmlands. The main success factors include: (1) rational project design according to local conditions; (2) multi-centered management mechanisms; (3) balanced cost- and risk-sharing mechanisms; and (4) building mutual trusts among stakeholders. This study offers applicable lessons and useful insights for irrigation water development projects and adaptation to drought in mountainous rural communities.

ACS Style

Yanbo Li; Jinming Hu; Weijiao Di; Liyun Zhang; Daniel Oscar Suman; Hong Zhu. Success Factors of Irrigation Projects Based on A "Public–Private Partnership" Model in A Mountainous Area: A Case Study in the Nujiang River Valley, China. Sustainability 2019, 11, 6799 .

AMA Style

Yanbo Li, Jinming Hu, Weijiao Di, Liyun Zhang, Daniel Oscar Suman, Hong Zhu. Success Factors of Irrigation Projects Based on A "Public–Private Partnership" Model in A Mountainous Area: A Case Study in the Nujiang River Valley, China. Sustainability. 2019; 11 (23):6799.

Chicago/Turabian Style

Yanbo Li; Jinming Hu; Weijiao Di; Liyun Zhang; Daniel Oscar Suman; Hong Zhu. 2019. "Success Factors of Irrigation Projects Based on A "Public–Private Partnership" Model in A Mountainous Area: A Case Study in the Nujiang River Valley, China." Sustainability 11, no. 23: 6799.

Journal article
Published: 03 September 2019 in CATENA
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Investigating soil erosion at the regional scale is challenging because of the difficulties with balancing the accuracy against the cost, especially in areas where the terrain and land use are complex. In this study, we developed a feasible approach to evaluating soil erosion at the regional scale that uses the Chinese Soil Loss Equation (CSLE) and 0.5 m high-resolution Worldview Satellite images, from which soil and water conservation (SWC) engineering practices were interpreted and included into the model as the E factor. We took the mountainous Yunnan Province of southwest China as a case study, and successfully tested this method and estimated the erosion modulus and soil erosion intensity of this region. The model was validated against with measured data derived from 47 runoff plots; the results showed that the coefficient of determination of CSLE was 0.89, which indicates high accuracy. The average erosion modulus was 12.56 t·ha−1·a−1 at the provincial level, and areas with a high erosion modulus were mainly distributed in the central and northeast parts. The total soil erosion area was 104,727.74 km2, accounting for 27.33% of the total area. More than 77% of above middle erosion occurred in farmlands. Our study is the first effort at incorporating high-precision SWC engineering measures data into regional soil erosion investigation. Our approach reduces the soil erosion estimation error caused by low data accuracy, overcomes the technical bottleneck for obtaining information on regional SWC measures, and provides a practical and low-cost method for evaluating regional soil erosion.

ACS Style

Xingwu Duan; Zhiwei Bai; Li Rong; Yanbo Li; Jianhong Ding; Yuquan Tao; Jixiao Li; Jiashun Li; Wei Wang. Investigation method for regional soil erosion based on the Chinese Soil Loss Equation and high-resolution spatial data: Case study on the mountainous Yunnan Province, China. CATENA 2019, 184, 104237 .

AMA Style

Xingwu Duan, Zhiwei Bai, Li Rong, Yanbo Li, Jianhong Ding, Yuquan Tao, Jixiao Li, Jiashun Li, Wei Wang. Investigation method for regional soil erosion based on the Chinese Soil Loss Equation and high-resolution spatial data: Case study on the mountainous Yunnan Province, China. CATENA. 2019; 184 ():104237.

Chicago/Turabian Style

Xingwu Duan; Zhiwei Bai; Li Rong; Yanbo Li; Jianhong Ding; Yuquan Tao; Jixiao Li; Jiashun Li; Wei Wang. 2019. "Investigation method for regional soil erosion based on the Chinese Soil Loss Equation and high-resolution spatial data: Case study on the mountainous Yunnan Province, China." CATENA 184, no. : 104237.