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SYLLABUS

UNIT-I

1.1 Brief introduction of the aquatic biomes 1.2 Freshwater ecosystem (lakes, wetlands, streams and rivers) 1.3 Estuaries, intertidal zones 1.4 Oceanic pelagic zone, marine benthic zone 1.5 coral reefs

UNIT-II

2.1 Lakes : Origin and classification of lakes 2.2 Lake as an Ecosystem, Lake morphometry 2.3 Physico-chemical Characteristics of fresh water bodies: Light, Temperature, Thermal stratification, Dissolved Solids, Carbonate, Bicarbonates, Phosphates and Nitrates, Turbidity: dissolved gases (Oxygen, Carbon dioxide) 2.4 Nutrient Cycles and Lakes - Nitrogen, Sulphur and Phosphorous 2.5 Streams: Different stages of stream development, Physico-chemical environment, adaptation of hill stream fishes 2.6 Salinity and density of sea water ; Continental shelf; Adaptation of deep sea organisms ; Sea weeds

UNIT-III

3.1 Aquatic pollution - Causes of pollution : Agricultural, Industrial, Sewage, Thermal and Oil spills 3.2 Eutrophication 3.3 Management and conservation 3.4 Water Pollution Acts of India 3.5 Sewage treatment and water quality assessment - BOD and COD.