1. Threats of the Great barrier Reef
... to over 1500 diverse species of fish, 5000 varieties of mollusc, over 200 species of birdlife, a variety of dolphins, whales, and the endangered dugong and green turtle. Chronic commercial and recreational fishing can potentially alter fish populations on coral reefs by targeting only certain species. Ultimately, through interfering with the marine food chain, hazardous impacts on the balance of the reef ... endangered dugong populations have declined by 50%, as a result of nets, boat strikes and indigenous hunting. Accordingly, the decreasing green turtles have had to endure pressures ...
- Word Count: 1526
- Approx Pages: 6
- Has Bibliography
- Grade Level: Undergraduate