Water is the most important in shaping the land and regulating the climate. It is one of the most important compounds that profoundly influence life. The quality of water usually described according to its physical, chemical and biological characteristics. Rapid industrialization and indiscriminate use of chemical fertilizers and pesticides in agriculture are causing heavy and varied pollution ...

Qaraoun Lake, the largest artificial lake in Lebanon, suffered severe environmental issues due to discharging untreated domestic and industrial wastewater into it, throwing garbage, which transformed this waste storage instead of using water for agricultural purposes making surrounding places attractive tourists as was before. Moreover, violations on Litany River, Lebanon's main artery, also af...

evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...

Heavy metals are considered as the most important pollutants of the aquatic environment. In the present study, acute toxicity test was used for the determination of lethal toxicity of Nickel in adult fish, Channa gachua as the test organism. Toxicity test is most reliable for accessing the adverse effect of pollutants on aquatic life. The LC50 values were determined and observed that the values...

in the field trials of slow-release nollusicide, copper content mcckechnie chemical inc. 30 cuso4 5h2o or 7.5 cupellet/sinking material 7 days release life were tested against the common aquatic snails bulinus truncatus, physa acuta and lymnaea gedrosiana in stagnant water bodies in khuzestan province, south-west of iran. snail densities before treatment and 7 days after mollucicide application...

The Centers for Disease Control and Prevention (CDC) recognize swim­ ming as an excellent form of physi­ cal activity, with benefits of reducing risk for chronic diseases and improving mental health. Aquatic facilities can pose a risk, however, to public health from both illness and injury. Although local and state public health codes typically regulate pools, spas, and other aquatic venues, th...