2) agricultural ecological and economic security of the watershed
流域农业生态经济安全
1.
According to the current status of the watershed in the loess hilly and gully region,the situation of agricultural ecological and economic security of the watershed can be divided into 4 grades: security,sub-security, insecurity,extreme insecurity,a majority of the watershed has be.
流域农业生态经济安全系指满足流域生态经济可持续发展的一种态势,包含了3个层次的内容,具有3个重要特征。
4) regional ecological security
区域生态安全
1.
Recognition on regional ecological security definition and assessment system;
区域生态安全概念及评价体系的再认识
2.
Determining the weighting coefficients of the indexes in theevaluation system of regional ecological security by the AHP method;
区域生态安全评价的AHP赋权方法研究
3.
Regional Ecological Security on Landscape Scale;
景观尺度上的区域生态安全研究
6) river basin security
流域安全
1.
Maintaining the health of Yangtze River for obtaining the river basin security;
维护健康长江,促进“流域安全”
补充资料：昆虫个体生态学(见昆虫生态学)
昆虫个体生态学(见昆虫生态学)
昆虫个体生态学见昆虫生态学
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条