Global Degradation of Coral Reefs

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Coral reefs are being degraded almost 20 percent globally, the coral ecosystem faces threats that span from; over fishing, oil spillage contamination, bleaching as a result of elevated sea temperatures, enhanced sedimentation, eutrophication as well as the specter of a warming planet.


Coral reefs are productive ecosystem and diverse habitats in the world because of their economic and social importance including food provision, tourism among others. There is a high rate of global degradation of coral reefs and these calls for their sustainable management. Their reduction has fueled the local and international communities to come up with approaches of monitoring coral reefs. Ecology involves the study of organisms in the environmental surroundings which require spatially accurate data given the distribution of spices. In the past manual and field observation methods were used to gather ecological information. These methods were labour intensive and time consuming. As a result, remote sensing became widely incorporated in the ecological duties because of its large coverage, cost effectiveness and accuracy. This called for the venture into new technologies to enable easy and faster access of remote sensed information in the management and monitoring of ecological species. (Knight, D., E. LeDrew, et al. 1997). Coral ecosystem is one of the important habitats in the world. Coral reefs play a significant role in checking the amount of carbon dioxide in the sea. ...
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