The ecological benefits evaluation of city greenest in arid sand area is blank.

干旱半干旱沙区城镇绿化的生态效益评价研究尚属空白。

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And it also sets up the achievement evaluation index system based on the Keeping Score Card, and the financial index that includes economic benefits and ecological benefits.

提出了以平衡记分卡为基础的业绩评价指标体系，建立了经济效益与生态效益相结合的财务指标。

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Thus the theoretic basement for evaluation of forest resource and compensating for their ecological benefits in the region were provided.

研究结果可为辽东地区森林资源的评估及其生态效益补偿提供理论依据。

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