这是因为淡水生态系统和人类活动密切相关。
That's because freshwater ecosystems are so closely linked to human activity.
磷在支撑与保证水生态系统的质量方面有着重大意义。
Phosphorus is a big issue for sustainability and the quality of aquatic ecosystems.
这是地球上最后一片原始的水生态系统，决不能被摧毁。
This is the last pristine Marine system on Earth and it could get destroyed.
简述江西省抚河流域的概况、水生态环境的现状及存在的问题。
This article discussed the general situation, the present status of aquatic ecological environment and existent problems of Fuhe river basin in Jiangxi province.
提出解决湖泊环境问题的根本途径是修复重建健康水生态系统。
The essential way to resolve environmental problem for Xuanwu Lake is reconstruction and remediation of aquatic ecosystem.
进而提出了降低农药及代谢产物对水生态环境的污染的几点措施。
Eventually, many measures must be applied in order to decrease the pollution of pesticides to the water environment.
本文以松花江流域为重点，探讨水生态系统价值的内涵及其影响因素。
In this paper, the values of water ecosystem and its influencing factors are discussed basically on Songhua river area.
由于人类对河流水文状态的过度干扰，原有的自然水生态系统逐步退化。
Owing to the excessive disturbance of human being to river hydrological conditions, the intrinsic natural water-ecosystem has degraded gradually.
运用同位素示踪技术研究了氚水在模拟海水生态系统中的积累、迁移等特性。
Some characteristics such as accumulation, transference of HTO in simulated Marine ecosystem were studied with isotope tracer technique.
导致水生态系统退化的原因多种多样，而人类经济活动的不当是主要的作用因子。
The reasons leading to the degeneration of aquatic ecosystem are various and the mismanagement of human economic activities is the major factor.
像河流和小溪那样的流水称为激流生态系统；像湖泊和池塘的死水称为静水生态系统。
Flowing waters like rivers and streams are called lotic ecosystems; standing water like lakes and ponds are lentic.
本项技术以水生植被的恢复为核心，通过人工辅助措施，重建、修复河湖水生态系统。
Resuming the submerged macrophyte as centre of this technique , by the artificial measure, rebuild and repair the river lake ecosystem system .
本文以半湿润地区大汶河流域为例，研究提出水污染控制方案和水生态环境恢复的措施。
This research, regards Dawen river in semi-humid region as example, has put forward water pollution control projects and aquatic ecological environment restoration measurements.
随着临沂滨水生态城的打造，红色经典、人文地理、自然风光成为临沂的一道道亮丽风景线。
With the building of Linyi Riverside Ecological Town, red classics, humanistic geography and natural scenery have become attractive dimensions of sights of Linyi.
如何有效地削减暴雨径流，减少或根除城市水涝灾害，保护好城市水生态环境，已成为一个广受关注的重大课题。
How to cut down the surface runoff, to exterminate or to reduce the disaster of urban water logging, protect the city's water ecosystem environment, have become an important topic concerned widely.
现代的煤灰给水生态系统造成了有毒影响，科学家们表示，大量的煤炭燃烧也许已经造成了全球范围的有毒的海洋环境。
Given the toxic impact of modern coal fly ash on aquatic ecosystems, the scientists suggest that the massive coal conflagration may have created toxic Marine conditions the world over.
所有这些淡水生态系统可以在一个分水岭中被发现—那是一套可以把比如大湖泊或者海洋这样单一的水域排干的栖息地。
All the freshwater ecosystems can be found within a watershed-a set of habitats that drain into a single body of water such as a big lake or the ocean.
试验结果表明，这种人工海水生态系统在正确的调校下能达到稳定和平衡，适合于在实验室饲养供教学和科研的有关动物。
The results show that this ecosystem of artificial sea water, which is applicable to teaching and research sea animals in the laboratory, will be stable and balanced under the correct adjusting.
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.
这种独特的生物是墨西哥湾水生生物中遭到威胁的物种之一，墨西哥湾恶劣的水质和栖息地的丧失减弱了生态系统。
This unique creature is part of an imperiled community of aquatic organisms in the Gulf of Mexico, where poor water quality and habitat loss have weakened the ecosystem.
他们利用科学杂志网页，一种在线日志归档网页，收集了240篇经过审稿的关于大型陆地和水生生态系统复原率的一系列科学论文。
They used Web of Science, an online journal archive, to gather a set of 240 peer-reviewed scientific papers that measured recovery rates in large terrestrial and aquatic ecosystems.
通常，农业化肥流入水生生态系统，促使生物急速的生长。
Agricultural fertilizers often drain into aquatic ecosystems and spur a frenzy of growth.
通过研究抚河源头水体中浮游动植物的种类及湿地植被分布状况，科学评价抚河源头水生生态环境。
Through investigate the species of zooplankton and phytoplankton and distribution of hygrophilous vegetation in Fu River's headstream, we evaluate the ecological environment in Fu River's headstream.
数据显示所构建的前置库水生生态系统处于成熟状态。
The datas shows that water ecosystem in reservoir region is balanced and stable.
数据显示所构建的前置库水生生态系统处于成熟状态。
The datas shows that water ecosystem in reservoir region is balanced and stable.
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