Marine ecosystems are part of the earth’s aquatic ecosystem. The habitats that make up this vast system range from the productive near shore regions to the barren ocean floor. The marine waters may be fully saline, brackish or nearly fresh. It cover two-thirds of the surface of the Earth. Marine organisms are not distributed evenly throughout the oceans. Variations in characteristics of the marine environment
Ecosystem-journals-list Accumulation of radionuclide in aquatic plants and fish can reach to the human food chain. Studies of bioaccumulation characteristics of various aquatic species growing over the fresh water ecosystem is essential for long term planning of industrial waste disposal in ecosystem.