Water is a vital resource for life on this planet. Unfortunately freshwater resources are scarce and are also under threat from pollution. The majority of lakes in the tropical and sub-tropical regions of the globe suffer from the primary and secondary effects of eutrophication because of land-use in the catchment and external loading of nutrients mainly from municipal sewage and agricultural watersheds. This book contains information on abiotic environment and ...
Wildlife Biodiversity is of paramount importance to mankind as it is the storehouse of myriad types of ecosystem-resources that serve the vital needs-food, giber, fuel, fodder, medicines, etc. indispensable for human beings. It is of ecological, economical, aesthetic, scientific and recreational value and supplies a variety of 'ecosystem services'. However, various types of human activities annihilate the biodiversity in nature leading to their abandonment before ...