利用修正后的“流域水资源承载力平衡指数(IWSD)”方法，研究了海河流域1960 - 2030年水生态环境状况的变迁过程。
Using a modified method of Index of water Supply and Demand (IWSD), this paper studies the transitional track of water ecosystem in the Hai River Basin from1960to2030.
此系统集图、文于一体，不仅能计算一般常用的景观生态学指数，而且能方便地显示和查询景观信息。
The system not only can deal with these indexes, but also can display the landscape and query the attributes about the landscape interactively.
应用rs和GIS技术，采用综合指数评价法，对全疆区域各县市生态环境质量及其动态变化进行了系统的综合评价和对比分析。
Using the comprehensive evaluation index method, the paper makes a dynamic evaluation and ordination of eco-environmental quality of all county in Xinjiang by taking RS and GIS technologies.
结果表明：八城市的生态系统健康指数排序依次为上海、苏州、杭州、南京、无锡、宁波、常州、扬州。
The result indicated that: the sequence of the urban eco-system health index form the high to low i…
在生态学的理论基础上，利用定性分析与景观综合评价指数法的定量分析相结合的方法对福建省茫荡山自然保护区的森林景观进行综合评价。
In this paper, based on the theory of ecological which using the qualitative analysis and landscape evaluate index sign system evaluated the forestry landscape of Fujian Mandangshan Nature Reserve.
使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
利用层次分析、变权综合指数等方法，建立了煤炭城市生态环境质量综合评价模型。
Using some methods such as analytic hierarchy process and variable weight integrate index, general assessment model of Coal-dependent Cities' eco-environmental quality is set up.
植被指数(NDVI)和叶面积指数(LAI)是两个非常重要的陆地生态系统植被状态参数。
The vegetation index (NDVI) and leaf area index (LAI) are two key important land vegetation ecosystem status parameters.
通过遥感解译数据提取了呼玛县的各种生态环境指数，采用综合打分法对呼玛县的生态环境进行了评价。
The ecological environment of Huma County was evaluated with the various ecological environment index, which were integrated from the Remote Sensing data, with the method of integrated scoring.
叶面积指数(LAI)是描述在陆地生态系统植被冠层结构的一个重要参数。
Leaf area index (LAI) is an important parameter for describing vegetation canopy structure in the terrestrial ecosystem.
2000年，专家测定，这一地区农业综合生态环境评价指数比十年前提高了1.5个百分点。
In 2000, surveys by experts found that the comprehensive eco-environment appraisal index of this area has gone up by 1.5 percentage points from 10 years ago.
在此框架中，初步选取了具体指标，建立了综合评价的指标集，并提出了生态化综合指数的计算方法，以此测度城市交通生态化水平。
In this framework, specific indexes are firstly picked up, comprehensive assessment indices constructed and the calculating method for ecological comprehensive index put f...
在此框架中，初步选取了具体指标，建立了综合评价的指标集，并提出了生态化综合指数的计算方法，以此测度城市交通生态化水平。
In this framework, specific indexes are firstly picked up, comprehensive assessment indices constructed and the calculating method for ecological comprehensive index put f...
应用推荐