ecotones

基本解释

By using phytopopulological and dendroecological methods, this paper has studied the correlation between climate change and the age structure or tree-ring width from different altitudinal ecotones.
本文应用种群生态学和树木年代学的方法并结合气象资料，研究了中部天山不同海拔高度上天山云杉(Picea schrenkiana)种群的年龄结构以及树木年轮宽度与气候变化的关系。
the north farming-pastoral ecotones of China
北方农牧交错带
The borderlines of the different biome ecotones and the gradients of species distribution in the biome ecotone have been investigated through the method of the quantitative ecology.
在大尺度水平上，边缘效应测度的研究主要是应用数量生态学等方法，研究不同气候带之间界线的划分及其物种分布的梯度规律性。
Analysis on Land Use and Its Ecological Environmental Background in the Farming-Pastoral Ecotones in North China
北方农牧交错带土地利用及其生态背景分析
ECO-ENVIRONMENTAL CONSTRUCTION AND FUNCTIONAL INTEGRATION OF THE FARMLAND-PASTORAL ECOTONES IN THE NORTHERN PART OF CHINA
论中国北方农牧交错带的生态环境建设与系统功能整合