查询词典 ecosystem

The ecosystem health of reach from Longyangxia to Liujiaxia had been evaluated by fish IBI,diversity index of plankton,water quantity and water quality.

利用鱼类IBI指数，浮游生物多样性指数、水量、水质等指标，对龙羊峡-刘家峡河段生态系统健康进行评价。

The riv- er′s health status can be determined through a holistic appraisal of rivers and their surrounds.Five components of the rivers health include: water quality, aquatic life, physical form, hydrology and streamside zone.Many methods and criteria are available to assess the status of river ecosystem, and this review focuses on RIVPACS,AUSRIVAS,IBI,RCE,ISC,RHS and RHP, which are classified into the pred...

阐述了河流健康状况的内涵，尝试从理化参数、生物指标、形态结构、水文特征、河岸带状况5个方面表征河流的健康状况；并从预测模型法和多指标评价法角度对河流无脊椎动物预测和分类系统、澳大利亚河流评价计划、生物完整性指数、RCE清单、溪流状态指数、河流生态环境调查、河流健康计划等河流健康状况的评价方法进行评述；在探讨美国、英国、澳大利亚、南非等国家河流健康状况评价开展情况的基础上，指出我国迫切需要构建一套适合国情的河流健康状况评价体系，从河流健康角度评价国内主要河流的生态环境质量，并为广泛开展的河流恢复项目提供基础数据和决策依据。

Even if the final large-scale natural ecosystem's ice cap has also been polluted as the Earth on.

即使作为地球上最后的大型天然生态系统的冰盖也受到了污染。

The subject is based on the study forward position of water resources management of LIAONING province, and use the developed tendency and succeeded experience of world water resources for reference, take theory of sustainable development as guiding ideologue, adopt systematic project, protection of ecosystem and environment and theory of economy forecast engage in composite analyze, dynamicevaluate and forecast analyze, forecast developed tendency of water resources supplement and demand of LIAONING province, put forward water resources rational disposition, economize on water, the prevention and control of water pollution and strength water resources protection etc.

本课题立足于辽宁省水资源管理研究前沿，借鉴了国内外水资源发展趋势和成功经验，以可持续发展的理论为指导，运用系统工程、生态环境保护理论和经济预测理论进行综合分析、动态评价，进而预测辽宁省水资源供需发展态势，提出了辽宁省水资源合理配置、节约用水、水污染防治和增强水资源保护等措施，为辽宁省抗旱、节水和水资源优化配置提供决策依据。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结中国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure whichthe biodiversity protects.

本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated spec ie s, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

自然保护区建设是保护生物多样性的最有效途径。至1993年底，我国共建立各类型自然保护区763个，总面积6618万hm2，约占国土面积的6.8%。本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

The pattern recognition of ecosystem components via impact matrix shows that the water contained in forest and upstream water resources are correlated with the water regulation; they are the most critical components of the study region.

本研究并利用冲击矩阵进行模式辨认，分析系统中土壤、生物、水资源等各种组成份间的主被动影响角色，亦验证了近年来森林地区与上游地区土壤涵养之水资源乃是生态服务系统中较为关键的组成份。

Primary impedient genes can be found on the basis of thorough discussion on the formative mechanism, transformation and correlation between yield potentialities of crops and actual productivity, which would provide foundation for agricultural programming and, possess vital realistic meaning for harmonious development stratagem establishment of population, resources and environment, can accelerate integrated management of stone desertification in karst regions and sustainable development of ecosystem besides.

深入探讨作物生产潜力、现实生产力形成机理及转化和相互关系，可以发现提高产量的主要障碍因子，为农业生产规划提供依据，对于制定人口、资源、环境协调发展战略，促进岩溶石山区石漠化的综合治理和生态系统的可持续发展，具有重要的现实意义。

this article uses biophysical indicatrix with sustainable development-ecological footprint theory to adopt western region economic data in song-nen plain, to evaluate human influence on the earth ecosystem by determining current land area with biological production, to analyze ecological footprint and load capacity.

用国际上逐渐引起重视的衡量可持续发展的生物物理指标即生态足迹理论，采用松嫩平原西部地区经济发展资料，通过测定当前生物生产性土地面积的量来评估人类对地球生态系统的影响，对生态足迹和承载力进行了分析研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。