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Wild Caribbean - Hurricane Hell

Seizoen: 1 - Aflevering: 3 / 3 - Eerst uitgezonden: 30 januari 2007 - Episode ID: 368674

Around six hurricane-strength storms strike the Caribbean between June and November each year. This episode examines their impact on people and wildlife. Hurricane winds generate destructive waves which can cause catastrophic damage to offshore reefs. Some corals are tough enough to withstand the buffeting, but other are ripped up. However, providing they come to rest in a suitable location, even broken fragments can regenerate. Storm surges cause widespread damage to coastal developments and beaches, and sea turtles are particularly vulnerable. Four-fifths of the green turtle hatchlings on Grand Cayman were lost when Hurricane Ivan struck in 2004. Low-lying islands can be completely inundated by storm surges. The brown anoles of The Bahamas may well drown, but their eggs can survive submersion for six hours. Coastal mangroves provide an important natural buffer against hurricanes. Further inland, the plants and animals of the tropical forests have evolved strategies to survive hurricanes. Tabonuco trees fuse their roots together to form a solid anchor, and hummingbirds move to unaffected parts of the forest. A single extreme event can be devastating for species with a restricted range. In 1989, Hurricane Hugo decimated the Puerto Rican parrot population, leaving only three breeding pairs. By contrast, green iguanas have used floating debris to colonise new islands, showing that resilience and adaptability are the key to survival. With climate change scientists predicting more frequent and intense hurricanes in future, the ability of the Caribbean wildlife to survive and recover from them will be severely tested.