ponds相关论文
DIATOMS(BACILLARIOPHYTA)AS BIOINDICATORS OF WATER QUALITY IN TROPICAL AQUATIC ECOSYSTEMS IN NORTHERN
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介绍一种新研制的在池塘中使用，可用以进行现场测定的底泥呼吸器。该呼吸器用镀锌薄铁制成，由呼吸室、导水管、手柄等部分组成。呼吸......
１９９７年４月～１９９８年４月对位于黄河下游氯化物型盐碱地池塘的水化学进行了周年分析。结果表明：（１）该类水体的水型基本为ＣｌⅡＮａ；总含盐量较高，平均达２．２２±０．５４ｇ／Ｌ，在......
Occurrence of Cryptosporidium species in catfish (Clarias gariepinus) Harvested from two lakes and a
本文通过对荣华二采区10...
Effi ciency of phosphorus accumulation by plankton,periphyton developed on submerged artifi cial sub
Phosphorus overenrichment of shallow ponds prevailing in wetlands leads to their eutrophication causing the collapse of ......
通过对北方地区精养池塘鱼类个体的检查和对水环境的监测,分析鱼类死亡原因,并提出解决方法,确保鱼类安全越冬,减少养殖损失。......
在二口池塘中培育鱼种，亩放养量等同，其中鲤鱼种占80．0％，试验池1．5亩，对照池1．4亩，除添加0．3％的甜菜碱外，试验池与对照池饲料配方完全相同。试......
<正> 投饵施肥是池塘精养高产的主要技术措施,但随着投入有机质的积累,养殖池塘中普遍存在着的“能量陷井”效应已影响到池塘生态......
针对园林模型制作中假山和水池模型制作的重要性，阐述了应用经济方便材料制作假山和水池模型的具体过程和步骤。认为其在园林设计和......
为了探索适合黄土高原沟壑区金草鱼泉水池塘养殖模式,为金草鱼养殖提供借鉴依据,通过开展金草鱼与鲢鱼混养泉水池塘养殖和金草鱼与......
介绍一种用于水泥养殖池塘清刷池壁、池底清刷机的总体组成、基本功能和工作原理,并提出不同清刷作业装置的设计方案。该清刷机具......
为了研究矿物盐对淡水养殖池塘水质的改良效果及应用前景,在12口土质池塘中对淡水养殖斑点叉尾（Ictalurus punctatus Rafinesque,......
盖伍德河是一条稍长于13 km的河,起始于诺福克的乡村,从金斯林流向北海的港口流出.为评价盖伍德河流域内池塘生态系统服务价值的变......
Physico-Chemical and Biological Characteristics of Stagnant Surface Water Bodies (Ponds and Lakes) U
The surface water quality of some stagnant water bodies (ponds and lakes—Obi Lake, Usede pond, Oguta lake, Omuku pond, ......
实验梭鲈鱼苗平均全长３．０ｃｍ，平均体重０．１３ｇ，采取自然繁殖饵料鱼与投喂碎野杂鱼的方法，经１２０ｄ饲养，出塘时平均全长１１．５４ｃｍ，平均体重１１．０ｇ，成活率１００％。肥满度Ｋ＝１．３２，体长与体重的......
The Relationship between Salinity and Bacterioplankton in Three Relic Coastal Ponds (Macchiatonda We
The great environmental importance of wetlands is linked to the high biodiversity of flora and fauna they support, so th......
A seven-month research evaluated the management effect on the water quality and sediment of seven fish ponds. Water and ......
The transformation and removal of nitrogen was studied in a pilot high rate pond with a surface area of 10.2 m2 and wate......
Seasonal Succession of the Plankton and Microbenthos in a Hypertrophic Shallow Water Reservoir at Mo
The seasonal development of the phytoplankton, phytobenthos, zooplankton, and microbenthos in a high eutrophised intravi......
Some physico-chemical and bacteriological parameters were analyzed for in the water samples of four different ponds loca......
This study investigated the relationships among the parameters of dissolved oxygen, chlorophyll-a and phytoplankton comp......
This paper presents the consumptive water use for freshwater pond aquaculture for semi-intensive carps farming practices......
The research progress on food organism culture and technology utilization in crab seed production in
Eriocheirsinensis, Portunus trituberculatus and Scylla paramamosain are important commercial culture crab species in Chi......
The research progress on food organism culture and technology utilization in crab seed production in
Eriocheirsinensis, Portunus trituberculatus and Scylla paramamosain are important commercial culture crab species in Chi......
通过对鳜塘水体部分理化因子昼液检测及藻类的观察，分析了塘水重要理化因子昼液变化情况，结果表明，不同鳜塘溶氧，pH值昼液升降变化规律......
The treatise by Olbrycht Strumieński is chronologically the first book in Poland, and the second in Europe, describingl......
Waste stabilisation pond system has been used more especially in developing countries for sewage treatment. The objectiv......
Perceptions of the Role Played by Aquaculture and the Services It Provides for Territories: Compleme
This article discusses the perception of ecosystem services for French and Brazilian pond fish farming. Its aim is to st......
Production Cost of Heterobranchus longifilis (Valenciennes, 1840) Fingerlings in the Ponds Fertilize
This study aims to evaluate the production cost of Heterobranchus longifilis larvae reared in fertilized fish ponds. Exp......
By measuring water temperature,salinity,pH,dissolved oxygen,nitrite and ammonia nitrogen,the annual variation regularity......
Comparison of Phytoplankton Communities Between Melt Ponds and Open Water in the Central Arctic Ocea
Climate warming has a significant impact on the sea ice and ecosystem of the Arctic Ocean.Under the increasing numbers o......
This study is aimed at evaluating alternative designs of waste stabilization ponds (WSPs) and constructed wetlands (CWs)......
Contribution of Electric Tomography, Chemical and Isotopic Tools to the Understanding of the Resilie
On the northern coast of the Cape Verde peninsula, Lake Retba is one of the few depressions that have preserved its wate......
Surface water runoff from urban centers is a major source of environmental pollution which impacts water quality in down......
This study aims to improve the understanding of algal community’s dynamics in response to different environmental facto......
Mining tailing ponds are large infrastructure objects whose life cycle spans over several decades.They are indispensable......
Models to predict sunlight-induced photodegradation rates of contaminants in wastewater stabilisatio
Two kinetic models were established for conservative estimates of photodegradation rates of contaminants under sunlight ......
于１９９５年５～８月，利用对虾养殖土池进行了菲律宾蛤仔人工育苗试验。将２００亩土地经清淤、铺沙等改造后使用，作了蛤仔的亲贝蓄养、诱导产卵、受精孵......
Variation of Environmental Factors and Dominant Population Succession of Microalgae Planktonic in Cl
In order to investigate the influence of season changes of environmental factors in closed shrimp ponds on the community......
