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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]
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.
Even though freshwater pollution is the major contributor to marine plastic pollution there is little studies done and data collection for the amount of pollution going from freshwater to marine. Majority of papers conclude that there is minimal data collection of plastic debris in freshwater environments and natural terrestrial environments ...
Plastics accounts for 80% of waste dispersed in the marine and coastal environment of the Mediterranean Sea. [24] Recent studies focus on the types of plastics found and primarily on the issue of microplastics, both at a global but also at a regional level, as in the case of the Mediterranean Sea, which was identified as a "target hotspot of the world" due to its amounts of microplastics ...
In addition to human health, animal health is also seriously threatened by mercury pollution in the ocean. The effects of high mercury levels on animal health were revealed by the severe mercury poisoning in Minamata Bay in which many animals exhibited extremely strange behaviors and high mortality rates after consuming contaminated seafood or ...
A garbage patch is a gyre of marine debris particles caused by the effects of ocean currents and increasing plastic pollution by human populations. These human-caused collections of plastic and other debris are responsible for ecosystem and environmental problems that affect marine life, contaminate oceans with toxic chemicals, and contribute ...
An oiled gannet seabird getting the oil washed off.. Most of the impact was on the marine species. Eight U.S. national parks were threatened [4] and more than 400 species that live in the Gulf islands and marshlands are at risk, including the endangered Kemp's ridley turtle, the green turtle, the loggerhead turtle, the hawksbill turtle, and the leatherback turtle.
Marine conservation technologies are used to protect endangered and threatened marine organisms and/or habitat. These technologies are innovative and revolutionary because they reduce by-catch, increase the survivorship and health of marine life and habitat, and benefit fishermen who depend on the resources for profit.