流域

At present,there are lots of protrudent problem in development and utilization of the water resource,such as the serious lack,the acute conflict between supply and request.

目前，黄河水资源开发利用存在着许多突出问题，流域水资源严重短缺，供需矛盾十分尖锐。

Taking root suckers of Hippophae rhamnoides artificial population as the research object, based on the field investigation of produced number of clones, space distribution and growth condition, basic characteristics of ramet and relationship of environmental factors and root suckers were studied systematically in different habitats in Zhifanggou hilly-gully regions.

以沙棘人工种群根蘖萌苗为研究对象，通过对丘陵沟壑区纸坊沟流域不同生境沙棘人工种群根蘖萌苗，产生的无性系个数、空间分布和生长状况的调查，系统研究不同生境条件下沙棘人工种群的根系产生幼苗的基本特征及其与环境因素的关系。

Dissolved REEs patterns are not only controlled by pH but also controlled by chemical composition of water.

矿山水体环境中的溶解态REE含量很低，反映了小流域的低REE地质背景特征。

The carrying capacity of water resources and water environment in Yellow River basin is faced with a huge challenge, such as vegetation destruction, water and soil erosion, riverbed run-up, watercourse shrinkage, water shortage, frequency breakage flow, severity pollution, water quality deterioration, trace to the source and sendiment, coast erosion and regradation.

植被破坏、水土流失，河床抬高、河道萎缩，水源匮乏、频繁断流，污染严重、水质下降，朔源淤积、海岸蚀退等表明黄河流域水资源与水环境的承载能力面临着极大的挑战。

Strengthen the law enforment to the pollutant discharge enterprises in residental area, river bank, headwater and upstream.

特别是加大对居民集中区、江河流域沿岸及水源地上游危险废物排放企业的监管力度

The former is controlled by the resuspension/settling process of the sediment caused by the tidal dynamic; the later is controlled by the seasonal factors such as the variation of the riverine water discharge, sea level, tidal range, and the wind in one year.

伴随着流域减沙工程的增多减沙效应的增强，三角洲水域的悬沙浓度将可能继续下降，这必将对长江三角洲的环境和生态产生影响，值得有关方面的重视。

As restoration of riverine ecosystem is very difficult or even impossible, protection measures are more needed than remediation.

保持河流各方面整体协调是流域开发研究的重点和必然趋势。

Riverine suspended matter was divided into different kinds of organic matter through its metabolism processes.

河流是连接陆地与海洋的通道，为陆地和近岸海域提供营养物质，并哺育了生活在流域内不同区域的人们[1-2]。

The main points are: groundwater level has descended to an obvious extent; nature vegetation has been degenerated completely; groundwater salination degree has increased along the Tarim River and relevant regions; desertification has developed quickly, wind-sandy disaster has been seriously increasing.

因此从恢复生态学角度深入探讨受损生态系统，建立天然植被生态系统的脆弱性评价指标体系，提出受损生态系统人工恢复与重建措施对塔里木河流域生态治理具有重要的理论与实践意义。

The people had no agriculture but, over thousands of years, had developed techniques and equipm ent to exploit their environm ent, basing their econom y on fishing in stream s and coastal w aters that teem ed w ith salm on, halibut, and other varieties of fish; gathering abalone, m ussels, clam s, and other shellfish from the rocky coastline; hunting land and sea m am m als; and collecting w ild plant foods.

他们没有农业，但是经过几千年，已经发展了探索自身环境的技术和设备。他们是基于大量出现鲑鱼、大比目鱼和其他多种鱼类的自身流域和水岸捕鱼的经济；基于从落基山水岸聚集了鲍鱼、蚌类、蛤和其他贝壳动物的经济；基于捕猎地域和海洋哺乳动物的经济；以及基于收集野生植物的食物的经济； 10。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。