In this paper, the program, criteria system, methods and indices of evaluation of economic loss of sandy desertification have been introduced to readers.
本文对沙漠化经济损失货币估值的程序、指标体系、方法和技术参数等进行了分析与探讨。
Therefore, it is very necessary to research methods and establish a framework of desertification vegetation monitoring and evaluation information system at the county level.
因此，以县为单元，研究建立荒漠化植被监测的框架和信息处理和评价方法很有必要。
The indicator system of scrub pasture desertification assessment on community level...
初步提出柳湾灌丛草场在群落水平上的荒漠化评价指标体系。
The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
Grassland sand desertification and degradation is a great environmental problem of eco-system unbalance which should be paid more attention to in the pastoral areas of our country.
草地退化、沙化是我国牧区脆弱生态系统失衡急需整治的重大环境问题。
The western of Jilin Province is a typical compound system of nature, economy and society, with vulnerable eco-environment. The desertification and basification of the soil is serious there.
吉林西部是一个典型的自然、经济和社会的复合系统，生态环境脆弱，土地沙化、碱化严重。
The karst rocky desertification comprehensive prevention and cure is a long-term and massive system project.
喀斯特石漠化综合防治是一项长期、庞大的系统工程。
The karst rocky desertification comprehensive prevention and cure is a long-term and massive system project.
喀斯特石漠化综合防治是一项长期、庞大的系统工程。
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