Using systematic view, the land ecologicalevaluation model of Heiquan reservoir area is set up, and many factors in system are analysed quantitatively.
应用系统论的观点建立了黑泉库区土地生态系统模型，并对系统多因子进行了定量分析。
2
Finally, Vanke Crystal City on the environmental planning and evaluation system of ecological environment are analyzed and summarized.
最后本文对万科水晶城的环境规划与生态环境评价体系进行了分析与总结。
3
Most research results were based on qualitative methods or combining qualitative methods with quantitative ones to give descriptive evaluation for Ecological health status.