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Jack mackerel caught by a Chilean purse seiner Fishing down the food web. Overfishing is the removal of a species of fish (i.e. fishing) from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stock), resulting in the species becoming increasingly underpopulated in that area.
By-catching is an inevitable aspect of fishing where unwanted fish or other marine organisms including turtles, dolphins and juveniles are caught. [17] This is a by-product of the unselective nature of modern fishing gear, such as bottom trawling which captures everything in the path of the net. [ 18 ]
Marine larval ecology – Marine larval ecology is the study of the factors influencing the dispersing larval stage which is exhibited by many marine invertebrates and fishes. Marine mammal – Marine mammals, which include seals, whales, dolphins, and walruses, form a diverse group of 128 species that rely on the ocean for their existence. [29]
Ocean deoxygenation is an additional stressor on marine life. Ocean deoxygenation is the expansion of oxygen minimum zones in the oceans as a consequence of burning fossil fuels. The change has been fairly rapid and poses a threat to fish and other types of marine life, as well as to people who depend on marine life for nutrition or livelihood.
Revealing climate secrets hidden inside the bodies of whales. Ozone hole: Why Antarctic wildlife is being 'sunburnt' Trouble in Arctic town as people and polar bears face a warming world
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
FILE - Max Oliver moves a lobster to the banding table aboard his boat while fishing off Spruce Head, Maine, on Aug. 31, 2021. (AP Photo/Robert F. Bukaty, File)
Gabe McCabe was one of the lucky few whose life was saved, as three people were reported dead after drowning in rip currents Marine veteran heroically rescues swimmer caught in rip current Skip to ...