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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.
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.
A May 2018 study published in PNAS found that 83% of wild mammals, 80% of marine mammals, 50% of plants and 15% of fish have been lost since the dawn of human civilization. Currently, livestock make up 60% of the biomass of all mammals on earth, followed by humans (36%) and wild mammals (4%). [29]
Approximately 37,000 fishermen and fish plant workers lost their jobs due to the collapse of the cod fisheries; many people had to find new jobs or further their education to find employment. These effects are reflected in Canadian folklorist and songwriter Shelley Posen 's song " No More Fish, No Fishermen " [ 21 ] and the dire environmental ...
Wild pigs already cause around $2.5 billion in damage to U.S. crops every year, according to the U.S. Department of Agriculture. And they can be aggressive toward humans. A woman in Texas was ...
Check out the video above to discover the staggering statistics of the average human consumption throughout a lifetime. Image Credit: Getty Images Related articles
The cheetah population is declining in large part because of human influences like climate change and habitat destructions. But some research has suggested that cheetahs Why wild cheetah ...
The Nassau grouper (Epinephelus striatus) is one of the large number of perciform fishes in the family Serranidae commonly referred to as groupers. [3] It is the most important of the groupers for commercial fishery in the West Indies, but has been endangered by overfishing.