GEOG 100 Chapter Notes - Chapter Coral Reefs: Overfishing, Hectare
5 Nov 2016
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Fiji~ corals and their economic and social value. 80% of fiji"s population live by coast, rely heavily on marine animals living in/around reefs. Aquarium exports including 1. 3 million hard, and soft corals were exported from fiji valuing over . 3 million. Properly managed coral reefs can yield an average of 15 tonnes of fish and other seafood per square kilometre each year. Southeast asia"s coral reef fisheries alone are estimated to yield us$ 2. 4 billion annually. Estimates suggest total net benefits per year of the world"s coral reefs to be around . 8 billion, of which about. . 6 billion comes from tourism and recreation, . 0 billion from coastal protection, . 7 billion from fisheries and close to . 5 billion in biodiversity. Biodiversity found in coral reefs can be lost once reefs die. Agriculture + industry release chemicals into water, destroy coral reefs. Affect reproduction, growth rate and feeding, defensive responses and cell structure in corals.
