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  2. Human impact on marine life - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_marine_life

    The IPCC (2019) says marine organisms are being affected globally by ocean warming with direct impacts on human communities, fisheries, and food production. [67] It is likely there will be a 15% decrease in the number of marine animals and a decrease of 21% to 24% in fisheries catches by the end of the 21st century because of climate change. [68]

  3. Estuarine acidification - Wikipedia

    en.wikipedia.org/wiki/Estuarine_acidification

    While ocean acidification occurs due to the ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide (CO 2) from the atmosphere, [1] pH change in estuaries is more complicated than in the open ocean due to direct impacts from land run-off, human impact, and coastal current dynamics.

  4. Climate change - Wikipedia

    en.wikipedia.org/wiki/Climate_change

    Consensus has further developed that some form of action should be taken to protect people against the impacts of climate change. National science academies have called on world leaders to cut global emissions. [443] The 2021 IPCC Assessment Report stated that it is "unequivocal" that climate change is caused by humans. [437]

  5. Effects of climate change - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change

    Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...

  6. Marine coastal ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_coastal_ecosystem

    However, coastal ecosystems are threatened by human-induced pressures such as climate change and eutrophication. In the coastal zone, the fluxes and transformations of nutrients and carbon sustaining coastal ecosystem functions and services are strongly regulated by benthic (that is, occurring at the seafloor) biological and chemical processes. [2]

  7. Estuary - Wikipedia

    en.wikipedia.org/wiki/Estuary

    The effects of tides on estuaries can show nonlinear effects on the movement of water which can have important impacts on the ecosystem and waterflow. The seawater entering the estuary is diluted by the fresh water flowing from rivers and streams. The pattern of dilution varies between different estuaries and depends on the volume of freshwater ...

  8. National Estuary Program - Wikipedia

    en.wikipedia.org/wiki/National_Estuary_Program

    Each of the participating coastal areas has suffered varying degrees of impacts with regard to water quality and habitat decline. Many of the local estuary programs have initiated projects in one or more of the following problem categories. Alteration of environmental flows, which may include hydromodification; Climate change

  9. Restore America's Estuaries - Wikipedia

    en.wikipedia.org/wiki/Restore_America's_Estuaries

    RAE also has focused on the impacts of climate change to America's coastal landscape and the ways in which restoration can mitigate these effects. In April 2010, RAE hosted a Blue Ribbon Panel of experts to advise the development of a greenhouse gas emissions offset protocol that would include the restoration of tidal wetlands, marshes, and ...