1) ecological flows
生态流
1.
Constant exchanges of substances,energy,and information can be found within the sub-systems of human settlements and between the outside environments,which are connected with centralization and diffusions of the ecological flows so as to exert the functions of human settlements.
人居环境各子系统之间或它们与系统外部环境之间,不断地进行物质、能量和信息的交换,并且通过生态流(Flow)的集聚与扩散形式联接起来,以此实现人居环境各种功能的正常发挥。
2) river ecosystem
河流生态
1.
By studying the essence of river life and river health and analyzing all the requirements of river itself, human and river ecosystem, it proposes the major healthy indicators of the Yellow River at present as continuous flow, free-and-safe riverbed, suitable water quality, acceptable river ecosystem and certain water supply capacity.
从河流生命和河流健康的本质出发,通过分析黄河自身、人类和河流生态系统的生存需求,认为连续的河川径流、通畅安全的水沙通道、良好的水质、良性运行的河流生态和一定的供水能力是现阶段黄河健康生命的标志,提出用低限流量、平滩流量、湿地面积等9个指示性因子具体表达健康黄河的标志,并给出了这些因子在未来不同阶段的量化指标。
2.
In order to investigate the influences of dams and water gates on the river ecosystems of the Huaihe River,the biological indexes were employed to assess the present status of river ecosystems on typical dam and water gate sections in the Huaihe River.
结果表明,大多数水库处在生态稳定的健康状态;64%的所调查评价的河流生态系统处在不健康或亚健康状态。
3.
This research result will play an key role to improve water environment and river ecosystem of Weihe River.
在对生态需水量概念及方法深入分析的基础上,应用Tennant和最枯月实测径流量多年平均值两种不同的方法,分别计算了渭河中下游林家村、魏家堡、咸阳、临潼、华县五个断面的生态基流量,并最终确定各断面维持生态环境的最低流量,这一探索对改善渭河水环境及促进河流生态系统健康具有重要意义。
3) ecological flow
生态流量
1.
Study on instream ecological flow based on physical habitat simulation;
基于物理栖息地模拟的河道内生态流量研究
2.
An indicative fish can be chosen as one of bases for ecological flow establishment,which is useful for health of river ecosystem.
河道水能资源的开发会对天然径流产生影响,可以选取具有较好代表性的指示鱼类作为制定河流生态流量的依据之一。
3.
To protect and rehabilitate health of riverine ecosystem in Chaobaihe River,this paper investigated the ecological implication of the streamflow regime and proposed the concept of ecological flow.
为保护和恢复河流生态系统健康,本文通过河流不同流量形态的生态意义的分析,探讨了生态流量的内涵及其谱系结构,将生态流量谱系划分为极低流量、低流量、高脉冲流量、高流量、极高流量五种流量形态。
4) eco-stream
生态河流
1.
Primarily discussion on structuring technology of buffer zone in eco-stream;
生态河流缓冲带构建技术初探
5) watershed ecology
流域生态
1.
Under the background of ecology environment becoming worse,compensation for watershed ecology has become an important measure for renewing and protecting environment of watershed ecology.
在生态环境危机日益加剧的社会背景下,流域生态补偿已成为恢复和保护流域生态环境的重要措施。
6) ecological basic flow
生态基流
1.
As the wetted perimeter method has the subjective shortcoming in determination of the inflection point, however, the method of maximum can determine river ecological basic flow objectively to avoid the subjectivity concerned, the probability distribution of river ecological basic flow is then studied on the basis of the wetted perimeter method.
由于湿周法在确定突变点中存在主观性的缺陷,而最大曲率法可客观的确定河流生态基流,避免了主观性。
补充资料：上升流生态系
上升流生态系
upwelling ecosystems
shangsheng}iu shengtoixl上升流生态系(u娜iling ecosystems)上升流是由于风、地形或其他原因使深层较冷水涌升到表层的过程。海洋的上升流区域大约只占海洋总面积的0.1%，而渔获量却占整个海洋渔获量的50%。重要的上升流区多与大西洋和太平洋亚热带东部边界流有关，如加利福尼亚海流、秘鲁海流、本格拉海流和加那利海流。中国浙江沿海和台湾浅滩也有小规模的上升流。 由于上升流把下层的营养物质带到上层，促使浮游植物的大量繁殖生长。据估计，上升流区的平均初级生产量约为300克碳/平方米·年，是沿岸区(100克碳/平方米·年)的3倍，大洋区(50克碳/平方米·年)的6倍。上升流区的浮游动物平均产量也较高，多数介于20~60毫克碳/平方米·日，为近岸海域的2倍。 上升流区的鱼产量高，也是渔业活动的主要海区，其中本格拉海流(18.36xl护吨)、秘鲁海流(12.24x1)吨)、加那利海流(8.16x IJ吨)、加利福尼亚(5.lxl06吨)。在秘鲁渔业中，鳗鱼占优势，在本格拉和加那利海流中沙丁鱼占优势，在加利福尼亚海流中鳗鱼和无须鳍占优势。秘鲁上升流的特点是秘鲁沿岸终年都存在着上升流，这也许是秘鲁鳗鱼(石i又邵.‘拟215ringe。)能演化成直接摄食浮游植物习性的原因。而另外的上升流系统呈季节性变化，因此浮游动物总是作为浮游植物和鱼类之间的营养媒介而出现。尽管近年来上升流区的渔业产量起伏多变，但上升流区还是最重要的渔业区。(陈其焕)
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