Ecological compensation of Wei River stream is the first trans-provincial trial of Yellow River stream. This paper summarizes the status, issues and experiences of ecological compensation of Yellow River stream aiming at a quality development, and evaluates the performances of ecological compensation policies. Based on a case study on Wei River stream, This paper establishes an evaluation model of ecological compensation effects composed of comprehensive performances and preferred scoring, and uses APH and entropy to construct a comprehensive performance evaluation index system of ecological environment, which is employed to estimate the comprehensive performance of 20 cities along Wei River stream during 2009 to 2019 based on all validated samples' selection. The results show a generally rising performance, of which Shaanxi's policies seat on top, but varying with cities. The policies increase the performances at or above the level 1%, in spite of time controlling or single fixed effect; it works at or above the level 5% in the provincial teams, but not in Gansu province due to its limited conditions, big ecological burden in environmental rehabilitation, deficient compensation mechanism, imbalanced upper- and down-stream, lagging policies and lacking mature experiences. This paper presents suggestions on policy propaganda, encouraging residents and companies' involvement, improving compensation mechanisms, pushing ecologically comprehensive compensation, making bi-directional compensation standards, spreading local successful experiences and issuing local policy details.

This paper uses concept and method of ecosystem servicing values to establish an estimating system of water-energy-food servicing values, which is used to estimate its servicing values of Guizhou's water-energy-food on economy and ecology and their ties. The gross servicing values is stable with declining. The servicing value of water resource lies in moderation of natural ecology and plays a critical role on the gross servicing values. Energy has a larger positive servicing value on social economy, but at a much larger negative ecological cost, which is the root cause of falling servicing value of WEF. The servicing values of food is increasing, providing a support to supply of social economy. The servicing value of WEF tie in Guizhou is small and unstable, so it suggests Guizhou fulfill water resources advantages in order to stabilize its servicing values. Boosting the servicing value of energy to social economy needs to prevent its impact on natural ecology, and to prevent panel pollution on food production, and to develop tourism and ecological agriculture. Moreover, moderation of WEF tie to improve the stability of system.