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Anna Environmental science and Engineering Sem-III
No Units Titles Sub Titles Chapters
1 Unit 1 Environment, ecosystems and biodiversity Definition, scope and importance of environment - need for public awareness - concept of an ecosystem - structure and function of an ecosystem - producers, consumers and decomposers - energy flow in the ecosystem - ecological succession - food chains, food webs and ecological pyramids - Introduction, types, characteristic features, structure and function of the (a) forest ecosystem (b) grassland ecosystem (c) desert ecosystem (d) aquatic ecosystems (ponds, streams, lakes, rivers, oceans, estuaries) - Introduction to biodiversity definition- genetic, species and ecosystem diversity - biogeographical classification of India - value of biodiversity- consumptive use, productive use, social, ethical, aesthetic and option values - Biodiversity at global, national and local levels - India as a mega-diversity nation - hot-spots of biodiversity - threats to biodiversity- habitat loss, poaching of wildlife, man-wildlife conflicts - endangered and endemic species of India - conservation of biodiversity- In-situ and ex-situ conservation of biodiversity VIEW CHAPTERS
2 Unit 2 Environmental polutions Definition - causes, effects and control measures of- (a) Air pollution (b) Water pollution (c) Soil pollution (d) Marine pollution (e) Noise pollution (f) Thermal pollution (g) Nuclear hazards - soil waste management- causes, effects and control measures of municipal solid wastes - role of an individual in prevention of pollution - pollution case studies - disaster management- floods, earthquake, cyclone and landslides VIEW CHAPTERS
3 Unit 3 Natural resources Forest resources- Use and over-exploitation, deforestation, case studies- timber extraction, mining, dams and their effects on forests and tribal people - Water resources- Use and overutilization of surface and ground water, floods, drought, conflicts over water, dams-benefits and problems - Mineral resources- Use and exploitation, environmental effects of extracting and using mineral resources, case studies - Food resources- World food problems, changes caused by agriculture and overgrazing, effects of modern agriculture, fertilizer-pesticide problems, water logging, salinity, case studies - Energy resources- Growing energy needs, renewable and non renewable energy sources, use of alternate energy sources, case studies - Land resources- Land as a resource, land degradation, man induced landslides, soil erosion and desertification - role of an individual in conservation of natural resources - Equitable use of resources for sustainable lifestyles VIEW CHAPTERS
4 Unit 4 Social issues and the environment From unsustainable to sustainable development - urban problems related to energy - water conservation, rain water harvesting, watershed management - resettlement and rehabilitation of people; its problems and concerns, case studies - role of non-governmental organizationenvironmental ethics- Issues and possible solutions - climate change, global warming, acid rain, ozone layer depletion, nuclear accidents and holocaust, case studies - wasteland reclamation - consumerism and waste products - environment production act - Air (Prevention and Control of Pollution) act - Water (Prevention and control of Pollution) act - Wildlife protection act - Forest conservation act - enforcement machinery involved in environmental legislation- central and state pollution control boards- Public awareness VIEW CHAPTERS
5 Unit 5 Human population and the environment Population growth, variation among nations - population explosion - family welfare programme - environment and human health - human rights - value education - HIV / AIDS - women and child welfare - role of information technology in environment and human health - Case studies VIEW CHAPTERS
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