摘要
提出了土地盐碱荒漠化预警的概念,建立了土地盐碱荒漠化预警理论。通过对盐碱荒漠化灾害成因系统的分析,采用多目标模糊优选模型进行荒漠化预警研究,为吉林省西部生态环境的保护和资源开发提供科学依据。
The alkaline desertification due t o soil alkalinization and secondary alkalinization has been expanded in time and space in our arid and semi -arid zone,which has been also regarded as a deeply influ enced eco -environmental problem.I n the paper,the authors put forwards the concept of alkaline desertification and set up a precaution theory.Based on the cause systemon the disaster,a comprehensive precaution study has been done and the results reveal the precaution degree in quantitative a nd qualitative,it is useful to protect the environment an d develop the resources.
出处
《农业环境科学学报》
CAS
CSCD
北大核心
2003年第2期207-209,共3页
Journal of Agro-Environment Science
基金
国家自然科学基金项目资助(40072093和40273047)
关键词
土地
盐碱荒漠化
预警理论
灾害系统分析
alkaline desertification
disaster system analysis
precaution
