英德
有道
百度
谷歌
图片
维基
百科
生态阈
ecological threshold
- 本文系统分析了绿洲规模扩张的资源、环境与生态阈限。
The purpose of this paper is to outline the thresholds on environment, ecology, and resources in the development of the oasis. - 由于生态因子相互作用的复杂性，有关生态阈值的性质及其在不同空间尺度上的联系仍然存在很大的不确定性。
There is still great uncertainty about the nature of ecological thresholds and how they are related in different spatial scales. - 以人工林生态系统中的啮齿动物群落和主要造林树种为研究对象，提出了人工林群落生态阈值概念。
Taking the rodent community and major afforestation tree species in artificial forest system as research objects, the concept of ecological threshold of artificial forest community was put forward.
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