1) biological value of wood
树木生态价值
2) total value of trees
树木(总)价值
3) ecological value
生态价值
1.
Researches on ecological value and protection of ecological environment of Qinghai Lake;
青海湖生态价值与生态环境保护研究
2.
Profit and loss analysis on ecological value in upper reaches of Tarim River under land use changes;
塔里木河上游土地利用变化中的生态价值损益分析
3.
Application of ecological value evaluation method in environmental assessment of hydropower development;
生态价值评估方法在水电开发环境评价中的应用研究
4) eco-value
生态价值
1.
It is necessary to establish an eco-value notion to realize harmony between man and nature.
如何实现人与自然的和谐,必须确立生态价值观。
2.
Groundwater has very important eco-value in arid and semi-arid regions.
干旱半干旱地区地下水具有重要的生态价值。
3.
We contrasted with other forests indices to state the eco-value of the original eco-culture of Sani people - the deity forests, and analysis its benefits and significance in ecological construction of the village.
本论文通过对喀斯特性生态系统典型区石林县阿着底彝族撒尼特色村密枝林的物种多样性和土质的调查与研究,用生态学的方法定量分析了密枝林乔木、灌木和草本植物各层次的多样性数值,以及该地区的土壤层有机质含量,并与其他山林的数据进行比较分析,从而阐述了撒尼人的原生态文化———密枝林神山森林文化的生态价值,分析密枝林在该村今生态环境建设中的效益和意义,并且就生态文化建设方面提出了作者自己的几点建议。
5) ecology value
生态价值
1.
Landscape Patterns and Ecology Value Analysis of Green Space in Lanzhou;
兰州市绿地景观格局及其生态价值分析
2.
The paper mainly introuduce the compare of lawn and arbor’s economical value and their ecology value in the city greenness, and then display the arbor’s important status in city vegetation.
本文主要介绍了城市绿化中草坪和乔木的生态价值和经济价值的比较,说明了绿化过程中乔木的重要地位,同时指出了培植高大乔木的侧重点,以促进城市绿化的可持续发展。
3.
With the ecology principle as the standard,the computations of forest park ecology capacity,forest ecology value as well as ecology trail helped the authors to systematically analyse Jingyue Tan forest park ecology function and sustainable development strategic objective and to indicate the tour population of Jingyue Tan forest park at present still slightly lower than the ecology capacity.
以生态学原理为标准,对净月潭森林公园的生态容量、森林生态价值以及生态足迹进行了计算,系统地分析了净月潭森林公园的生态功能和可持续发展的战略目标,研究结果表明,净月潭森林公园目前的游览人数略低于生态容量,森林的使用价值为388 059万元,而且还处于增长中,有较大的利用价值。
6) ecological values
生态价值
1.
From the view of development, there is a limit for rural-urban land conversion, ncluding the loss of ecological values.
从发展的角度看,农地资源容许城市建设的占用量,包括生态价值价值的损失程度,有一定的极限度。
2.
The ecological functions and ecological values of mangroves in China were evaluated by field survey,data calculation,together with literature analysis.
对中国红树林生态功能和生态价值进行了评价。
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