1) degeneration type of ecosystem
生态退化类型
3) ecological degeneration
生态退化
1.
Current research status and prospects of ecological degeneration and restoration at the juncture of Shanxi,Shaanxi and Inner Mongolia;
晋陕蒙交界地区生态退化与恢复的研究现状和展望
2.
This paper summarized the basic circumstance of wetlands in the South Dongting Lake,and then analyzed ecological degeneration.
概述了南洞庭湖湿地的基本情况,对湖区湿地生态退化进行了分析,认为湿地存在泥沙淤积严重、自然湿地面积减少、生物多样性降低、水质污染加剧、湿地功能衰退等生态问题,并对退化原因进行初步分析,认为人为因素是南洞庭湖湿地生态退化的主要原因。
3.
A massive and serious degeneration of ecology was created as a result of exploiting the sloping fields for a long time,and at the same time ,such a course of the ecological degeneration was expanded with the disappearance of the Great Wall s ecological function.
长期、大范围的坡地和非宜农地被开垦,导致了一次中国封建农业时代范围最广、破坏最严重的生态退化过程。
4) ecological degradation
生态退化
1.
Analysis of spatial effects of artificial factors of ecological degradation in Tibet;
导致西藏生态退化的人为因子空间效应分析
2.
A probe into ecological degradation and restoration in loess hilly area of south Ningxia——Taking Pengyang country for example;
宁夏南部黄土丘陵区生态退化与恢复探析
3.
The paper investigates the soil erosion, the main forms of ecological degradation, in Eastern Mountain of Liaoning Province.
本文对辽宁省东部山区生态退化的主要形式—土壤侵蚀进行研究,分析不同土地利用类型上土壤的侵蚀状况。
5) eco-degradation
生态退化
1.
Natural factors and human disturbance are two main motive forces of eco-degradation.
生态退化由生态基质、内在的动能因素和外在干扰共同作用的结果， 自然因素和人为活动干扰是生态系统退化的两大驱动力。
补充资料：血液有形成分各种类型的血细胞虚线指示中间类型的细胞。
李瑞端绘
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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