Contents 1 Water Introduction 2 Water Structure Properties and Quality 3 Water Habitat Ecology 4 Drinking Water 5 Water Rivers of India 6 Bracklshwater Resources of India 7 Soil Water Relationships 8 Water and Aquaculture 9 Water Drought and Flood 10 Water Conservation 11 Water Conservation Dams 12 Watershed Management 13 Water Pollution 14 Biological and Chemical Oxygen Demand BOD and COD 15 Eutrophication 16 Fluoride in Water 17 Freshwater Blooms 18 Water Borne Diseases 19 Prevention and Control of Water Pollution 20 Treatment of Polluted Water 21 Water Collection of Samples 22 Water Analysis Physical 23 Water Analysis Chemical 24 Water Analysis Biological 25 Water Pollution Control and Law 26 Water Pollution Acts Division of the Ministry of Environment and Forests Government of India 27 Subject IndexAll life on earth depends on water Man uses water for many purposes drinking irrigation fisheries industrial processes transportation and waste disposal The origin of water on the earth is not clear so far However the current presumption is that the primordial earth had no oceans and perhaps very little atmosphere It is believed that the volatile constituents bound in the earths crust oozing to the surface through volcanoes rock movements and hot springs condensed to form the ocean and the atmosphere This way perhaps this remarkable combination of hydrogen and oxygen - called water - came into being and eventually became an indispensable component of the earths environmentWater found on the surface of the earth in lakes rivers and oceans is called surface water It is polluted by various means like biological physical chemical aesthetic and radioactive substances Therefore it is essential to manage water resources from pollutionThe present book is an attempt to provide overall information of water environment and pollution through chapters like Water Introduction Water Structure Properties and Quality Water Habitat Ecology Drinking Water Water Rivers of India Brackish water Resources of India Soil Water Relationships Quality of Irrigation Water Water Management and Irrigation Water and Aquaculture Water Setting and Management of Aquarium Sewage Fed Fish Culture Water Drought and Flood Water Conservation Water Conservation Dams Watershed Management Biological and Chemical OxygenDemand BOD and COD Water Pollution Eutrophication Fluoride in Water Freshwater Blooms Treatment of Polluted Water Water Borne Diseases Water Collection of Samples Water Analysis Physical Water Analysis Chemical and Water Analysis Biological 496 pp. Bestandsnummer des Verk�ufers 94871

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