The Cahuita National Park protects beaches and one of last living coral reefs in Costa Rica. Several tourists and scuba divers visit the Cahuita Nacional Park every year for its pristine jungle that unfolds right on the beach, its Coralline Reefs as well as to observe the Green Atlantic Sea Turtle nest on its beaches.
The reef at the Cahuita National Park has been known to have 34 coral species until recently. Scientists from the Ocean and Limnology Scientific Research Center (Cimar) of the University of Costa Rica recently completed a study of the coral reefs in Cahuita and found that although the quantity of live coral has increased, the variety has decreased.
At least 7 species of the original 34 were not found bringing the total amount of species down to 27. Scientists are concerned that original and emblematic coral species have disappeared thus altering the delicate and coral ecosystem. The area once occupied by the disappeared coral species has been taken by the stronger surviving coral species thus decreasing the possibility for the first ones to reappear.
Scientists have pointed out several reasons to why the coral reef has changed dramatically over the past 20 years. Natural causes such as storms which produce strong currents can directly weaken and break the coral structures. One of the most important causes is the warming of the ocean waters. The elevated water temperature changes the chemical composition of ocean water thus making it difficult for the corals to feed and breathe.
In order to try to provide the proper conditions for the corals in Cahuita to be healthy again, scientists are trying to determine the water and environment conditions of some 30 years back in order to do what is possible to recreate it.
























































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