what is the story between global
warming and coral reefs?
Coral reef is definitely affected, and the impact will be reaching far.
Warmer Waters - Coral
If the water temperatures rise and stay high for a few weeks, the algae
that they need - zooxanthellae - leaves.
Healthy coral. Poster by AllPosters. Click on thumbnail to
The result is coral bleaching.
Bleaching makes corals unhealthy and
more vurnerable for diseases. If the bleaching events happen too often,
corals don't have enough time to recover between the events
Different types of corals tolerate bleaching differently. The ones that
tolerate it better will be more common than the ones that do not.
Inbalance in the ecosystem.
Bleached coral. Poster by AllPosters. Click on thumbnail
Change in Ocean Chemistry
Just like tropical rainforests, coral reef is a help against global
warming since it absorbs some of the carbon dioxide that becomes more
abundant in the atmosphere with increased global warming. And just like
the tropical rainforests, coral reef takes the damage too. As the
levels of CO2 increase in the ocean, the pH decreases, which means that
the ocean becomes more acidic. Acid dissolves the skeletons of corals,
clams, snails, sea urchins. Less corals - even less help against global
Stronger Storms -
Destruction of Coral
are common in the climate and locations of coral reef. The reef acts as
a barrier in these events, but it also does get destroyed by the winds.
These storms will be stronger and more common as the temperatures rise.
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