Coral Reefs of the United Kingdom Overseas Territories by S. Hamylton, S. Andréfouët (auth.), Charles R.C. Sheppard

By S. Hamylton, S. Andréfouët (auth.), Charles R.C. Sheppard (eds.)

The tropical united kingdom Territories have broad coral reefs. large components of those components are tremendously wealthy, effective and various. Their marine biodiversity exceeds that of the united kingdom itself, and several other are already, or are deliberate to be, strictly safe. a few of these parts function reference websites for lots of different international locations with broken reefs and they're oases of tropical marine biodiversity in a fast-degrading global. This e-book experiences all the united kingdom reefs, from these scarcely identified to these the place large examine has already been played. ​

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Extra resources for Coral Reefs of the United Kingdom Overseas Territories

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Combining all the sites, coral cover has dropped from an average of 14% in 1990 to 4% in 2009. This is a 70% decline in less than 20 years. At one site close to Forest Bay the decline was as high as 98%. Overall, reef fish populations have dropped by approximately a third. The 1990 study did not record fish size so biomass estimates are not possible. This situation is of significant concern because, even though White Band Disease reportedly began to affect Anguilla’s reef systems in 1976, the Bellairs study concluded that in 1990 there were a ‘variety of diverse and attractive marine habitats (which are) in relatively good condition, with little apparent impact from human activities’.

Geologically, these islands form the eastern edge of the Greater Antilles island chain and with Puerto Rico (PR) and the United States Virgin Islands (USVI), excluding St. Croix; collectively rise from the Puerto Rican/Virgin Island (PR/VI) platform. This bank is a carbonate microplate deposited over an inactive and subsiding island arc during the Oligocene to Holocene between the North American and Caribbean Plates and has undergone extensive submarine and subaerial erosion (Byrne et al. 1985; Masson and Scanlon 1991; Van Gestel et al.

Results are for all surveys combined between 2007 and 2009. For individual results see Wynne 2008a, b and Wynne 2010. 3 Coral health results across the ten coral reef sites monitored as part of AMMP. 05 100 2 Coral Reefs of Anguilla 21 40% 35% Percentage of Total Number 30% 25% 20% 15% 10% 5% 0% <5cm 5-10cm 10-15cm 15-20cm 20-25cm 25-30cm 30-35cm 35-40cm 40-45cm 45-50cm >50cm Size Class Fig. 9 Percentage of relative biomass that each size class of all commercially and ecologically important fish families accounts for across all surveyed reef sites (Photograph S.

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