Environmental damage

With an increasing tourist trade, mangroves and seagrass beds have been cleared and jetties and wharves have been built for tourist boats.

Fuel and oil, along with tourist litter, have created pollution problems, which impact on both the aquatic and terrestrial ecosystem of the islands. Human waste from portable toilets erected for tourists, finds its way into the soil and water surrounding the islands, once more altering the ecosystem functioning, through increased nutrient flow.

Game fishing, often near coral reefs are threatening many endangered species of fish. Often fish caught in the bay are not consumed locally but exported to other markets around the region.

The delicate limestone cave ecosystems are diminishing as tourists visiting the caves break off stalagmites and stalactites. Litter, including wine bottles, are dropped into cave streams. Visitors exhale carbon dioxide, which has a deleterious effect on the caves. The mouths of some caves have been widened to allow for tourist access. This increase in light has led to an imbalance in the delicate links between flora and fauna, and a decrease in the humidity of the caves.

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