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Debris on beach near Dar es Salaam, Tanzania Debris collected from beaches on Tern Island in the French Frigate Shoals over one month. Researchers classify debris as either land- or ocean-based; in 1991, the United Nations Joint Group of Experts on the Scientific Aspects of Marine Pollution estimated that up to 80% of the pollution was land-based, [5] with the remaining 20% originating from ...
In Galveston, programs address marine debris, including cigarette butts and fishing lines. Collaborating with the Surfrider Foundation , volunteers have collected over 285,000 cigarette butts and ...
Marine debris consists of millions of tons of abandoned plastic fishing gear. Nearly 640,000 tons of plastic gear is dumped or abandoned in the oceans every year. [ 11 ] According to Unger and Harrison, 6.4 tons of pollutant dumps the oceans every year, and the most of them are consist of by durable synthetic fishing gear, packaging, materials ...
Marine plastic pollution is a type of marine pollution by plastics, ranging in size from large original material such as bottles and bags, down to microplastics formed from the fragmentation of plastic material. Marine debris is mainly discarded human rubbish which floats on, or is suspended in the ocean. Eighty percent of marine debris is plastic.
Debris is generated on land at marinas, ports, rivers, harbors, docks, and storm drains. Debris is generated at sea from fishing vessels, stationary platforms, and cargo ships." [41] Constituents range in size from miles-long abandoned fishing nets to micro-pellets used in cosmetics and abrasive cleaners. [42]
Turtle entangled in marine debris. Recent research has shown that, by mass, fishing debris, such as buoys, lines, and nets, account for more than two-thirds of large plastic debris found in the oceans. [48] In the Great Pacific Garbage Patch, fishing nets alone comprise at least 46% of the debris. [49]
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
In 2003, the Hawaiʻi Wildlife Fund organized 100 volunteers and removed over 50 tons (45 metric tonnes) of fishing nets and other marine debris from the beach. [9] In November 2007, Beach Environmental Awareness Campaign Hawaiʻi volunteers removed more than 4 million pieces of plastic from Kamilo Beach.