3) Ocean ecosystem services valuation

海域生态服务价值
4) ecosystem services

生态服务
1.
The valuation of ecosystem services based on temporal,spatial and benefit characters;

基于时空尺度及利益关系的生态服务功能
2.
Then the values of ecosystem services in different periods were calculated by reference of published studies.
采用GIS技术分析兴化湾不同时期由于围填海所造成的各生态系统类型面积变化,并借鉴Costanza等研究的生态服务功能单位价值系数,评估围填海对滩涂湿地生态服务造成的累积影响。
3.
This paper has three purposes:the first,to inquire into the sum of meanings and corresponding implications inherent in ecosystem services function and ecosystem service function value;the second,to study the methods of assessing ecosystem service function value;and the third,to analyze ave.
生态服务的价值是生态系统为人类所提供服务的长期、真实、全面的价值,可用于衡量人类活动真实的效益和成本。
5) Ecological service

生态服务
1.
Assessment on the ecological services value of soil and water conservation;

水土保持生态服务功能价值估算
2.
So,the ecological services of farmland are more complicated than grassland and forest.

2元/hm2;各地区农田的生态服务功能差别较大,其价值量波动在86。
3.
Based on defining the urban forest ecological service,the paper analyzes the condition on residents demand on urban forest ecological service from three aspects of living condition,urban ecological environment and recognition on environmental protection.
在界定城市森林生态服务内涵的基础上,从物质生活环境、城市生态环境、环境保护意识等3方面分析了居民产生城市森林生态服务需求的环境条件。
6) Ecosystem service

生态服务
1.
Evaluation of ecosystem services of Park of Nanhu Lake in Changchun city,China;

长春市南湖公园生态服务价值评估
2.
Remote sensing identification of earthquake trigged landsides and their impacts on ecosystem services:a case study of Wenchuan County;
汶川大地震滑坡体遥感识别及生态服务价值损失评估
3.
Ecological compensation of industrial activity and ecosystem security are closely associated with sustainable development, the goal of ecological compensation and ecosystem security research lies in comprehending the ability of regional sustainable development and the function of ecosystem service.
产业活动造成的生态损失和生态系统安全与可持续发展紧密相连,研究的目的在于了解区域生存和发展的持续能力和生态服务功能。
补充资料:一棵树的生态价值
印度加尔各答农业大学德斯教授对一棵树的生态价值进行了计算:一棵50年树龄的树,以累计计算,产生氧气的价值约31200美元;吸收有毒气体、防止大气污染价值约62500美元;增加土壤肥力价值约31200美元;涵养水源价值37500美元;为鸟类及其他动物提供繁衍场所价值31250美元;产生蛋白质价值2500美元。除去花、果实和木材价值,总计创值约196000美元。
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