The words contained in this file might help you see if this file matches what you are looking for:

...Vidyasagar university ability enhancement compulsory course aecc environmental studies credits unit introduction to multidisciplinary nature of scope and importance concept sustainability sustainable development lectures ecosystems what is an ecosystem structure function energy flow in food chains webs ecological succession case the following a forest b grassland c desert d aquatic ponds streams lakes rivers oceans estuaries natural resources renewable non land use change degradation soil erosion desertification deforestation causes impacts due mining dam building on environment forests biodiversity tribal populations joint management water over exploitation surface ground floods droughts conflicts international inter state sources alternate growing needs conservation levels biological diversity genetic species bio geographic zones india patterns global hot spots as mega nation endangered endemic threats habitat loss poaching wildlife man invasions situ ex services economic social ethi...