how does climate change affect ocean life?
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Oceans are getting hotter. Changes in water temperature can affect the environments where fish, shellfish, and other marine species live. As climate change causes the oceans to become warmer year-round, populations of some species may adapt by shifting toward cooler areas.
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This process is called ocean acidification. Climate change will affect coral reef ecosystems, through sea level rise, changes to the frequency and intensity of tropical storms, and altered ocean circulation patterns.
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Climate influences the landform processes that shape Scotland's mountains, rivers and coasts, and maintain our habitats, ecosystems and landscapes. ... Increasing ocean temperatures and ocean acidification are the main consequences of climate change and rising CO2 levels on the marine environment.
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Climate change is modifying fish distribution and the productivity of marine and freshwater species. This has impacts on the sustainability of fisheries and aquaculture, on the livelihoods of the communities that depend on fisheries, and on the ability of the oceans to capture and store carbon (biological pump).
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Climate change could alter ocean food chains, leading to far fewer fish in the sea. Climate change is rapidly warming the Earth and altering ecosystems on land and at sea that produce our food. ... But as this happens, it will change ocean circulation patterns and make ocean food chains less productive.
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Impacts of climate change in the Coral Triangle Climate change in the Coral Triangle is already having a big impact on coastal ecosystems by warming, acidifying and raising sea levels. Coral Triangle reefs have experienced severe mass coral bleaching and mortality events as temperatures have periodically soared.
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The impacts of climate change on our oceans include shifts in temperature, acidification, deoxygenation and changes in ocean currents. ... Shifting ocean currents and warming waters are changing the distribution of fish stocks and altering the structure of ecosystems.
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Changes in water temperature can affect the environments where fish, shellfish, and other marine species live. As climate change causes the oceans to become warmer year-round, populations of some species may adapt by shifting toward cooler areas.
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Climate change will also have many non-thermal impacts on fish populations. For example, changes in the strength, direction and location of ocean currents can affect the probability that fish eggs and larvae survive and grow. Moreover, as temperatures rise, the ability of the ocean to retain oxygen will decrease.
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Climate change can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs. Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and drought.
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Climate change drives changes in marine ecosystems that affect fisheries' productivity and food security. ... These changes are altering the distribution, abundance and health of commercial fish species, and the marine ecosystems on which they depend.
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Ongoing climate change affects the marine environment in several ways: warming; reduced ice extent; rising water levels; changes in run-off from land; acidification resulting from an increased uptake of carbon dioxide from the atmosphere.
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Healthy ecosystems and rich biodiversity are fundamental to life on our planet. Climate change is affecting the habitats of several species, which must either adapt or migrate to areas with more favourable conditions. Even small changes in average temperatures can have a significant effect upon ecosystems.
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As the total carbon concentration increases, the amount of carbon on the ocean surface also increases; marine life would be affected by this because there is less room for oxygen.
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Another effect of climate change is likely to be rising sea levels. These may lead to the loss of groundwater resources in very low-lying coastal areas, as sea water can flow into the aquifers and mix with the fresh water.
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Climate change is modifying fish distribution and the productivity of marine and freshwater species. ... The effect of sea level rise means that coastal fishing communities are significantly impacted by climate change, while changing rainfall patterns and water use impact on inland freshwater fisheries and aquaculture.
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Answer: Climate change is affecting the habitats of several species, which must either adapt or migrate to areas with more favourable conditions. Even small changes in average temperatures can have a significant effect upon ecosystems.