1) land ecology
土地生态学
1.
The purpose of this paper is to discuss some basic issues,summarize the research progress,analyze the subject development trend and propose some development suggestions of land ecology in China.
研究目的:阐述中国土地生态学的某些基本问题,总结土地生态学最新研究进展,分析学科发展方向,提出发展建议,为推动土地生态学学科发展提供参考。
2.
Land ecological planning and design is the focus of land ecology,and the study on its theory, method and practice has to be deepened.
土地生态规划设计是土地生态学研究的核心内容 ,其理论、方法及应用亟待深入探索和研究 。
2) land ecology
土地生态
1.
Based on clarifying of land ecological security and taking Hebei Province as the case, this article discusses the methods of security evaluations of land ecology.
以河北省为例,在界定土地生态安全概念的基础上,探讨了土地生态安全评价的方法。
2.
Problems in China's land ecology security in China involve soil erosion, soil pollution, soil desertification, salinization, alkalin-ization, soil depauperization, etc.
我国土地生态安全方面的主要问题有水土流失、土壤污染、土地沙漠化、盐碱化、潜育化、沼泽化、贫瘠化等,围绕这些土地生态问题,我国已经制订了《环境保护法》和《土地管理法》等综合性法律,又制订了有关的专项法规。
3.
Considering the illegibility and uncertainty character of the security evaluation of land ecology,the paper synthetically makes use of entropy and matter-element theory to establish ecological security of land index system and to macroscopically judge the ecological security degree of land of Heilongjing province during 20002006.
土地是我们人类赖以生存和发展的物质基础,土地生态安全关系到我们人类的生存和发展。
3) soil eco-geochemical
土壤生态地球化学
1.
It was found that the available method for soil background is undesirable for soil eco-geochemical reference value.
从土壤生态地球化学基准值概念的涵义及其研究意义入手,对国内外相关研究的现状和方法进行了系统的分析和评述,从中发现,与土壤生态地球化学基准值研究的要求相比,已有的研究方法都不能满足实际科研工作的需要。
4) soil eco-geochemical parameters
土壤生态地球化学参数
1.
Based on the large quantities of soil samples acquired in the ecogeochemical survey of Jiangsu Province,we have related the soil eco-geochemical parameters,such as cation exchange capacity(CEC),organic matter,pH,ferric oxide,and contents of Al,Fe and Si,to the reflectance parameters of soil samples.
文中使用江苏国土生态地球化学调查中获取的大量土壤样品,研究了土壤阳离子交换量(CEC)、有机质含量、pH值、铁氧化物类型、铁铝硅等常量元素含量等重要土壤生态地球化学参数的光谱反应。
5) geoecology
地生态学
6) land-ecological area
土地生态区
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