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Marine debris, also known as marine litter, is human-created solid material that has deliberately or accidentally been released in seas or the ocean.Floating oceanic debris tends to accumulate at the center of gyres and on coastlines, frequently washing aground, when it is known as beach litter or tidewrack.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
Marine debris is mainly discarded human rubbish which floats on, or is suspended in the ocean. Plastic pollution is harmful to marine life . Another concern is the runoff of nutrients (nitrogen and phosphorus) from intensive agriculture , and the disposal of untreated or partially treated sewage to rivers and subsequently oceans.
A 2-mile stretch of Laguna Beach coastline has been closed to swimmers and surfers due to a sewer line break that spilled almost 95,000 gallons, officials said. A 95,000-gallon sewage spill closes ...
Two children cleaning beach debris in Ivory Coast A mechanical beach cleaner with tractor attached removing unwanted beach debris. Beach cleaning or clean-up is the process of removing solid litter, dense chemicals, and organic debris deposited on a beach or coastline by the tide, local visitors, or tourists.
Ocean deoxygenation is the reduction of the oxygen content in different parts of the ocean due to human activities. [ 2 ] [ 3 ] There are two areas where this occurs. Firstly, it occurs in coastal zones where eutrophication has driven some quite rapid (in a few decades) declines in oxygen to very low levels. [ 2 ]
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