2) ecological environment frail zone
生态环境脆弱带(ECOTONE)
3) eco-environmental fragility
生态环境脆弱性
1.
This paper, from four aspects of population capacity, growing amount of communities and their biomass, eco-environmental sensitivity, and capacity resisting natural disasters, expounds the basic features of eco-environmental fragilities in Guizhou Karst mountain region and analyzes the causes and mechanism of eco-environmental fragility and suggests corresp.
贵州是我国喀斯特地貌最发育的省份之一,属典型的生态环境脆弱区通过对人口容量、生物生产力与生物量、敏感性和承灾能力等4个方面的分析阐述了贵州喀斯特山区生态环境脆弱性的基本特征,探讨了喀斯特脆弱环境形成的自然因子和人类活动因子的影响机理,根据我国西部大开发中生态建设的要求,提出了贵州喀斯特山区脆弱生态环境的整治对策。
2.
This paper, taking 42 counties (or cities) in the Wujiang Basin as examples, deals with the main principles of rcgionalization of the eco-environmental fragility in karst area, discusses and quantifies the index of the fragility regionalization.
本文以贵州乌江流域的42个县(市)为例,论述了喀斯特地区生态环境脆弱性区划的主要原则,探讨了脆弱性区划的指标,并进行了量化。
4) fragile ecological environment
脆弱生态环境
1.
(1) It is main reason of causing ecological environment deteriorating and ecosystem degenerating,that fragile ecological environment crosses resources concentrating exploitation.
结论为:①资源高度集中和生态环境脆弱的剪刀差错位,是导致资源开发中生态严重退化的主要原因;②资源开发阶段与生态系统演化的对应关系为:基建期-生态环境破坏期;过渡期-生态环境退化期;达产期-生态环境治理期;稳产期-生态环境恢复期;③资源开发和生态演化的时间差问题,是脆弱生态环境生态系统功能自我恢复缓慢、甚至很难的根本原因,需辅以人为保育和恢复措施;(4)在未来资源开发过程中,我们应将资源开发与生态环境演化对应关系优化为:基建期-生态环境保护期;过渡期-生态环境保育期;达产期-生态环境建设期;稳产期-生态环境优化期。
2.
There are many types of fragile ecological environments with fast evolement in many regions in China.
对脆弱生态环境脆弱度进行科学评价 ,不仅对脆弱生态区的可持续发展具有重要意义 ,而且对于非脆弱生态区的可持续发展同样具有借鉴作用。
3.
The assessment indexes of fragile ecological environment have been established based on analyses of natural and human factors and the calculating formula to evaluating the grades of fragile ecological environment were instituted: p= Σ n-7i=1f i·w i.
首先指出有明显脆弱性的生态环境具有环境容量低下 ,敏感性强而稳定性差 ,抵御外界干扰能力弱和自然恢复功能差等特点 ;其次 ,在分析自然和人为影响因素的基础上 ,制定了脆弱生态环境评级指标 ,并建立了确定脆弱生态环境等级总分值的计算公式 :p =Σn- 7i=1 fi 。
5) fragile eco-environment
脆弱生态环境
1.
The results show that the sustainability of water resources in the lower reach,middle reach,and upper reach,and fragile eco-environment is the key factor which constraints sustainable utilization of water resources in the upper reach.
通过评价,各区水资源可持续利用度:下游>中游>上游,并且发现脆弱生态环境是制约上游水资源可持续利用的关键因素。
2.
According to present conditions and characteristics of regional fragile eco-environment and analyses of the factors influencing fragile eco-environment,combines the elements of nature,society and economy of different regions,selects 17 indicators to establish a set of index system of fragile eco-environment.
以福建省生态环境时空特征为研究对象,综合各区域自然、社会和经济等各方面因素,选取17个指标建立脆弱生态环境评价指标体系。
6) vulnerable ecological environment
脆弱生态环境
1.
According to the current situation of ecological environment in Guizhou, this article summaries the characteristics of karst vulnerable ecological environment.
根据贵州生态环境现状,总结喀斯特脆弱生态环境特征,分析影响喀斯特地区可持续发展的制约因素,提出喀斯特可持续发展模式,为脆弱生态环境恢复和重建提供依据。
补充资料:地球生态环境资料在哪
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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