| Environment and development in coastal regions and in small islands |
Coastal region and small island papers 3
Table 14. CARICOMP coral reef measurements, 1993-1995: Percentage cover at 10 metres depth.
| Bahamas | Colombia | Nicaragua |
| Barbados | Cuba | Puerto Rico, USA |
| Belize | Curaçao, NA | Saba, NA |
| Bermuda | Dominican Republic | Trinidad & Tobago |
| Bonaire, NA | Jamaica | Venezuela: USB |
| Cayman | Mexico | Venezuela: EDIMAR |
| COUNTRY | BAHAMAS: percentage cover at 10 metres depth |
|||||
| Reef Site | Fernandez Bay, San Salvador | |||||
| Date of Survey | Nov 1994 | 4-8 Feb 1995 | 19-22 Nov 1995 | |||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD |
| ALGAE | ||||||
| Calcareous algae | 0.31 | 0.73 | 0.00 | 0.00 | 0.00 | 0.00 |
| Encrusting algae | 1.48 | 1.43 | 1.89 | 2.53 | 3.28 | 3.04 |
| Fleshy algae | 10.17 | 3.45 | 21.02 | 7.37 | 13.34 | 4.31 |
| Turf algae | 5.56 | 4.04 | 7.31 | 6.10 | 11.12 | 4.16 |
| TOTAL | 17.51 | 6.26 | 30.22 | 7.08 | 27.74 | 7.03 |
| HARD CORALS | ||||||
| Branching corals | 0.34 | 0.49 | 0.14 | 0.20 | 0.10 | 0.14 |
| Massive corals | 2.18 | 1.66 | 1.36 | 1.36 | 2.68 | 1.90 |
| Encrusting corals | 4.97 | 2.42 | 6.11 | 3.50 | 3.47 | 1.87 |
| Foliaceous | 2.09 | 2.37 | 1.11 | 0.94 | 0.81 | 1.17 |
| Milleporine | 0.12 | 0.38 | 0.01 | 0.04 | 0.00 | 0.00 |
| TOTAL | 9.69 | 4.68 | 8.74 | 3.81 | 7.05 | 2.95 |
| SOFT CORALS | ||||||
| Gorgonians | 0.10 | 0.13 | 0.21 | 0.18 | 0.04 | 0.04 |
| Encrusting gorgonians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Anemones | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Zoanthids | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Coralliomorpharians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 0.10 | 0.13 | 0.21 | 0.18 | 0.04 | 0.04 |
| SPONGES | ||||||
| Erect sponges | 1.25 | 2.15 | 2.14 | 2.94 | 3.06 | 2.62 |
| Encrusting sponges | 3.64 | 1.33 | 2.04 | 1.63 | 0.51 | 0.88 |
| Other organisms | 0.02 | 0.06 | 0.00 | 0.00 | 0.10 | 0.02 |
| TOTAL | 4.90 | 3.14 | 4.18 | 2.42 | 3.58 | 2.59 |
| ABIOTIC | ||||||
| Bare rock | 16.71 | 8.76 | 5.78 | 4.93 | 8.12 | 6.00 |
| Bare rubble | 8.52 | 8.14 | 14.01 | 10.20 | 8.43 | 3.77 |
| Bare boulders | 7.90 | 8.52 | 0.21 | 0.48 | 6.21 | 4.10 |
| Holes, gaps | 27.93 | 6.89 | 29.35 | 7.46 | 36.55 | 7.29 |
| Sand | 2.89 | 4.70 | 1.48 | 2.60 | 2.29 | 3.28 |
| Dead coral | 3.92 | 3.46 | 5.83 | 8.31 | 0.00 | 0.00 |
| TOTAL | 67.86 | 5.19 | 56.66 | 7.96 | 61.61 | 5.97 |
| Total Chain Links | 1219.90 | 181.20 | 1226.70 | 154.10 | 1349.20 | 141.20 |
| Rugosity | 1.72 | 0.26 | 1.73 | 0.22 | 1.90 | 0.20 |
| Percent Hard & Soft Coral in Biotic | 30.86 | 14.78 | 20.74 | 7.19 | 18.73 | 7.76 |
| COUNTRY | BARBADOS: percentage cover at 10 metres depth |
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| Reef Site | North and South Bellairs | |||||
| Date of Survey | April 1993 | March 1994 | September -October 1994 | |||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD | T 1-9 | SD |
| ALGAE | ||||||
| Calcareous algae | 0.00 | 0.00 | 0.01 | 0.04 | 0.00 | 0.00 |
| Encrusting algae | 2.86 | 2.89 | 8.04 | 5.50 | 11.94 | 5.23 |
| Fleshy algae | 0.02 | 0.06 | 0.11 | 0.29 | 0.04 | 0.12 |
| Turf algae | 57.74 | 17.56 | 51.40 | 11.36 | 40.08 | 17.59 |
| TOTAL | 60.62 | 16.26 | 59.57 | 11.28 | 52.05 | 18.16 |
| HARD CORALS | ||||||
| Branching corals | 0.60 | 1.05 | 1.03 | 2.07 | 0.83 | 1.08 |
| Massive corals | 7.31 | 7.10 | 7.81 | 7.99 | 7.21 | 5.61 |
| Encrusting corals | 8.51 | 3.30 | 4.91 | 3.43 | 7.89 | 3.46 |
| Foliaceous | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Milleporine | 1.19 | 1.47 | 0.94 | 0.68 | 1.45 | 0.85 |
| TOTAL | 17.60 | 6.65 | 14.69 | 10.06 | 17.38 | 9.10 |
| SOFT CORALS | ||||||
| Gorgonians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Encrusting gorgonians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Anemones | 0.00 | 0.00 | 0.24 | 0.59 | 0.00 | 0.00 |
| Zoanthids | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Coralliomorpharians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 0.00 | 0.00 | 0.24 | 0.59 | 0.00 | 0.00 |
| SPONGES | ||||||
| Erect sponges | 0.50 | 1.53 | 0.00 | 0.00 | 0.13 | 0.35 |
| Encrusting sponges | 0.15 | 0.47 | 0.08 | 0.21 | 0.00 | 0.00 |
| Other organisms | 0.71 | 1.68 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 1.36 | 2.09 | 0.08 | 0.21 | 0.13 | 0.35 |
| ABIOTIC | ||||||
| Bare rock | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.33 |
| Bare rubble | 9.24 | 7.84 | 0.00 | 0.00 | 0.00 | 0.00 |
| Bare boulders | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Holes, gaps | 7.03 | 7.08 | 20.57 | 6.83 | 21.22 | 8.89 |
| Sand | 4.15 | 5.18 | 4.85 | 4.69 | 9.11 | 5.71 |
| Dead coral | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 20.42 | 13.99 | 25.43 | 7.45 | 30.44 | 11.03 |
| Total Chain Links | 1499.20 | 220.70 | 1370.40 | 97.30 | 1200.90 | 126.50 |
| Rugosity | 2.11 | 0.31 | 1.93 | 0.14 | 1.69 | 0.18 |
| Percent Hard & Soft Coral in Biotic | 23.05 | 9.43 | 19.95 | 12.54 | 24.23 | 17.78 |
| COUNTRY | BELIZE: percentage cover at 10 metres depth |
|||||||||
| Reef Site | Carrie Bow Cay I and II | |||||||||
| Date of Survey | August 1993 | August 1994 | December 1994 | August 1995 | December 1995 | |||||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD |
| ALGAE | ||||||||||
| Calcareous algae | 14.17 | 4.04 | 12.72 | 3.79 | 15.92 | 4.02 | 18.91 | 5.85 | 15.97 | 3.98 |
| Encrusting algae | 6.45 | 2.46 | 4.60 | 1.40 | 7.53 | 2.22 | 6.56 | 2.20 | 10.21 | 3.34 |
| Fleshy algae | 13.38 | 5.29 | 23.52 | 7.68 | 12.54 | 5.09 | 16.09 | 3.57 | 13.59 | 4.53 |
| Turf algae | 19.02 | 2.51 | 17.12 | 4.92 | 21.97 | 4.66 | 17.67 | 9.57 | 18.03 | 5.39 |
| TOTAL | 53.01 | 5.25 | 57.95 | 8.53 | 57.96 | 9.01 | 59.23 | 8.67 | 57.81 | 9.14 |
| HARD CORALS | ||||||||||
| Branching corals | 3.32 | 2.59 | 4.46 | 3.12 | 3.87 | 3.48 | 3.34 | 3.04 | 3.92 | 3.28 |
| Massive corals | 2.63 | 1.49 | 3.36 | 2.08 | 3.56 | 2.28 | 4.41 | 2.89 | 4.00 | 2.98 |
| Encrusting corals | 2.34 | 2.08 | 5.82 | 3.66 | 3.66 | 1.94 | 2.92 | 1.79 | 4.33 | 2.05 |
| Foliaceous | 5.52 | 5.24 | 4.95 | 7.14 | 6.18 | 7.03 | 5.48 | 6.65 | 4.83 | 7.35 |
| Milleporine | 0.25 | 0.40 | 0.26 | 0.24 | 0.29 | 0.38 | 0.44 | 0.47 | 0.35 | 0.34 |
| TOTAL | 14.06 | 5.95 | 18.85 | 6.94 | 17.56 | 7.70 | 16.59 | 6.51 | 17.43 | 8.05 |
| SOFT CORALS | ||||||||||
| Gorgonians | 1.76 | 0.86 | 1.13 | 0.79 | 1.15 | 0.79 | 1.30 | 1.04 | 1.16 | 0.79 |
| Encrusting gorgonians | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| Anemones | 0.08 | 0.19 | 0.03 | 0.08 | 0.03 | 0.07 | 0.02 | 0.04 | 0.00 | 0.00 |
| Zoanthids | 0.02 | 0.06 | 0.00 | 0.00 | 0.06 | 0.18 | 0.02 | 0.06 | 0.01 | 0.03 |
| Coralliomorpharians | 0.12 | 0.19 | 0.15 | 0.32 | 0.20 | 0.47 | 0.27 | 0.45 | 0.30 | 0.56 |
| TOTAL | 1.98 | 0.88 | 1.31 | 0.85 | 1.50 | 1.04 | 1.61 | 1.31 | 1.58 | 1.22 |
| SPONGES | ||||||||||
| Erect sponges | 1.29 | 1.97 | 1.62 | 2.17 | 1.40 | 2.35 | 1.63 | 2.60 | 2.11 | 2.94 |
| Encrusting sponges | 1.51 | 0.96 | 0.91 | 0.76 | 0.76 | 0.64 | 0.68 | 0.51 | 0.89 | 0.63 |
| Other organisms | 0.89 | 1.12 | 0.11 | 0.28 | 0.16 | 0.23 | 0.06 | 0.13 | 0.21 | 0.31 |
| TOTAL | 3.69 | 2.61 | 2.65 | 2.02 | 2.32 | 2.49 | 2.37 | 2.80 | 3.21 | 2.93 |
| ABIOTIC | ||||||||||
| Bare rock | 2.69 | 2.10 | 4.29 | 2.49 | 3.03 | 1.18 | 2.33 | 1.44 | 3.15 | 1.20 |
| Bare rubble | 6.70 | 6.12 | 2.97 | 2.82 | 2.77 | 5.25 | 2.66 | 2.14 | 1.19 | 0.91 |
| Bare boulders | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Holes, gaps | 15.76 | 4.18 | 9.99 | 4.03 | 13.87 | 4.31 | 13.28 | 3.08 | 12.86 | 3.41 |
| Sand | 2.21 | 2.94 | 1.55 | 2.62 | 0.64 | 0.74 | 1.61 | 3.43 | 2.43 | 3.77 |
| Dead coral | 0.00 | 0.00 | 0.44 | 1.20 | 0.36 | 1.13 | 0.32 | 0.63 | 0.37 | 0.58 |
| TOTAL | 27.36 | 5.83 | 19.25 | 6.26 | 20.66 | 5.07 | 20.21 | 5.57 | 19.99 | 3.02 |
| Total Chain Links | 1170.10 | 76.00 | 1172.90 | 70.20 | 1174.20 | 76.60 | 1216.70 | 58.20 | 1186.30 | 65.10 |
| Rugosity | 1.65 | 0.11 | 1.65 | 0.10 | 1.66 | 0.11 | 1.72 | 0.08 | 1.67 | 0.09 |
| Percent Hard & Soft Coral in Biotic | 21.92 | 6.22 | 24.97 | 7.39 | 23.99 | 8.74 | 22.84 | 7.00 | 23.78 | 9.00 |
| COUNTRY | BERMUDA: percentage cover at 10 metres depth |
|||||
| Reef Site | Hog Breaker West and Twin Breaker | |||||
| Date of Survey | September 1993 | August-October 1994 | September 1995 | |||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD |
| ALGAE | ||||||
| Calcareous algae | 0.50 | 1.02 | 0.33 | 0.65 | 0.00 | 0.00 |
| Encrusting algae | 0.35 | 1.01 | 2.25 | 3.31 | 0.00 | 0.00 |
| Fleshy algae | 7.87 | 6.13 | 9.61 | 3.31 | 4.44 | 2.78 |
| Turf algae | 14.91 | 10.09 | 10.56 | 7.29 | 6.74 | 4.12 |
| TOTAL | 23.63 | 14.10 | 22.75 | 10.15 | 11.18 | 3.71 |
| HARD CORALS | ||||||
| Branching corals | 0.38 | 1.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| Massive corals | 19.44 | 5.86 | 16.78 | 4.80 | 9.63 | 4.87 |
| Encrusting corals | 3.12 | 4.14 | 2.42 | 3.26 | 10.15 | 3.78 |
| Foliaceous | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.06 |
| Milleporine | 0.32 | 0.34 | 0.52 | 0.68 | 0.76 | 0.76 |
| TOTAL | 23.25 | 5.49 | 19.71 | 4.51 | 20.56 | 5.21 |
| SOFT CORALS | ||||||
| Gorgonians | 0.49 | 0.60 | 0.53 | 0.42 | 0.70 | 0.66 |
| Encrusting gorgonians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Anemones | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Zoanthids | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Coralliomorpharians | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 0.49 | 0.60 | 0.53 | 0.42 | 0.70 | 0.66 |
| SPONGES | ||||||
| Erect sponges | 0.00 | 0.00 | 0.03 | 0.08 | 0.00 | 0.00 |
| Encrusting sponges | 0.06 | 0.20 | 0.10 | 0.21 | 0.09 | 0.14 |
| Other organisms | 0.23 | 0.66 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 0.30 | 0.86 | 0.12 | 0.22 | 0.09 | 0.14 |
| ABIOTIC | ||||||
| Bare rock | 25.80 | 17.02 | 27.00 | 12.36 | 39.44 | 8.29 |
| Bare rubble | 0.64 | 2.02 | 2.02 | 2.34 | 0.22 | 0.71 |
| Bare boulders | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Holes, gaps | 22.84 | 7.14 | 24.22 | 6.65 | 22.85 | 7.03 |
| Sand | 3.06 | 5.90 | 3.66 | 4.08 | 5.02 | 3.63 |
| Dead coral | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 52.34 | 14.56 | 56.90 | 10.19 | 67.48 | 4.91 |
| Total Chain Links | 1116.00 | 87.40 | 1186.20 | 82.20 | 1173.80 | 125.50 |
| Rugosity | 1.57 | 0.12 | 1.67 | 0.12 | 1.66 | 0.18 |
| Percent Hard & Soft Coral in Biotic | 53.06 | 16.59 | 48.77 | 12.14 | 65.06 | 11.45 |
| COUNTRY | BONAIRE, Netherlands Antilles: percentage cover at 10 metres depth |
|||
| Reef Site | Barcadera Reef Sites | |||
| Date of Survey | October 1994 | March 1995 | ||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD |
| ALGAE | ||||
| Calcareous algae | 3.65 | 2.21 | 0.00 | 0.00 |
| Encrusting algae | 0.01 | 0.04 | 3.90 | 2.85 |
| Fleshy algae | 1.58 | 1.02 | 2.04 | 1.43 |
| Turf algae | 27.43 | 7.91 | 31.51 | 5.54 |
| TOTAL | 32.67 | 9.19 | 37.44 | 5.70 |
| HARD CORALS | ||||
| Branching corals | 1.10 | 1.13 | 0.70 | 0.95 |
| Massive corals | 26.22 | 8.38 | 26.30 | 6.79 |
| Encrusting corals | 0.14 | 0.45 | 0.70 | 0.76 |
| Foliaceous | 1.12 | 1.58 | 1.39 | 1.82 |
| Milleporine | 1.08 | 1.94 | 0.84 | 1.18 |
| TOTAL | 29.67 | 8.94 | 29.91 | 8.53 |
| SOFT CORALS | ||||
| Gorgonians | 0.00 | 0.00 | 0.00 | 0.00 |
| Encrusting gorgonians | 2.39 | 2.17 | 2.67 | 2.17 |
| Anemones | 0.00 | 0.00 | 0.01 | 0.02 |
| Zoanthids | 0.00 | 0.00 | 0.00 | 0.00 |
| Coralliomorpharians | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 2.39 | 2.17 | 2.68 | 2.16 |
| SPONGES | ||||
| Erect sponges | 0.16 | 0.51 | 0.05 | 0.16 |
| Encrusting sponges | 0.58 | 0.77 | 0.58 | 0.67 |
| Other organisms | 0.08 | 0.19 | 0.09 | 0.16 |
| TOTAL | 0.81 | 1.19 | 0.72 | 0.67 |
| ABIOTIC | ||||
| Bare rock | 0.29 | 0.91 | 0.00 | 0.00 |
| Bare rubble | 1.56 | 1.17 | 0.82 | 1.00 |
| Bare boulders | 0.00 | 0.00 | 0.00 | 0.00 |
| Holes, gaps | 15.16 | 7.57 | 12.11 | 5.33 |
| Sand | 17.44 | 8.29 | 16.32 | 6.79 |
| Dead coral | 0.00 | 0.00 | 0.00 | 0.00 |
| TOTAL | 34.45 | 5.17 | 29.25 | 5.32 |
| Total Chain Links | 1441.00 | 163.50 | 1460.20 | 161.00 |
| Rugosity | 2.03 | 0.23 | 2.06 | 0.23 |
| Percent Hard & Soft Coral in Biotic | 49.13 | 13.28 | 45.74 | 9.41 |
| COUNTRY | CAYMAN: percentage cover at 10 metres depth |
|
| Reef Site | Andes and Pinnacle | |
| Date of Survey | October 1995 | |
| Number of Transects and Std Dev | T 1-10 | SD |
| ALGAE | ||
| Calcareous algae | 3.60 | 3.43 |
| Encrusting algae | 3.67 | 6.23 |
| Fleshy algae | 10.32 | 12.87 |
| Turf algae | 39.87 | 11.91 |
| TOTAL | 57.45 | 13.67 |
| HARD CORALS | ||
| Branching corals | 0.37 | 0.79 |
| Massive corals | 16.04 | 7.02 |
| Encrusting corals | 0.17 | 0.47 |
| Foliaceous | 2.47 | 0.60 |
| Milleporine | 0.04 | 0.12 |
| TOTAL | 19.09 | 7.54 |
| SOFT CORALS | ||
| Gorgonians | 2.40 | 2.30 |
| Encrusting gorgonians | 0.07 | 0.22 |
| Anemones | 0.00 | 0.00 |
| Zoanthids | 0.00 | 0.00 |
| Coralliomorpharians | 0.00 | 0.00 |
| TOTAL | 2.47 | 2.49 |
| SPONGES | ||
| Erect sponges | 0.10 | 0.33 |
| Encrusting sponges | 2.46 | 2.14 |
| Other organisms | 0.02 | 0.07 |
| TOTAL | 2.59 | 2.25 |
| ABIOTIC | ||
| Bare rock | 7.49 | 7.45 |
| Bare rubble | 0.05 | 0.15 |
| Bare boulders | 0.00 | 0.00 |
| Holes, gaps | 6.22 | 8.05 |
| Sand | 3.23 | 3.90 |
| Dead coral | 1.43 | 3.03 |
| TOTAL | 18.41 | 14.56 |
| Total Chain Links | 1212.40 | 129.40 |
| Rugosity | 1.71 | 0.18 |
| Percent Hard & Soft Coral in Biotic | 26.75 | 9.64 |
| COUNTRY | COLOMBIA: percentage cover at 10 metres depth |
|||||||
| Reef Site | Chengue Bay Reef Sites | |||||||
| Date of Survey | April 1993 | October 1993 | October 1994 | November 1995 | ||||
| Number of Transects and Std Dev | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD | T 1-10 | SD |
| ALGAE | ||||||||
| Calcareous algae | 0.20 | 0.58 | 0.39 | 0.61 | 0.62 | 1.02 | 0.48 | 0.66 |
| Encrusting algae | 8.00 | 4.06 | 11.12 | 5.18 | 10.57 | 6.33 | 14.99 | 6.97 |
| Fleshy algae | 25.64 | 9.37 | 11.16 | 5.95 | 19.24 | 11.17 | 3.14 | 2.59 |
| Turf algae | 22.43 | 10.49 | 30.58 | 8.49 | 19.81 | 8.34 | 25.71 | 4.28 |
| TOTAL | 56.27 | 13.20 | 53.25 | 13.70 | 50.24 | 12.31 | 44.32 | 7.38 |
| HARD CORALS | ||||||||
| Branching corals | 0.48 | 1.43 | 0.59 | 1.69 | 0.21 | 0.41 | 0.22 | 0.38 |
| Massive corals | 31.90 | 12.73 | 32.59 | 14.27 | 26.71 | 12.02 | 28.77 | 12.22 |
| Encrusting corals | 0.58 | 1.25 | 0.71 | 0.78 | 4.88 | 4.13 | 4.14 | 2.79 |
| Foliaceous | 0.42 | 0.63 | 0.52 | 0.85 | 0.38 | 0.68 | 0.64 | 1.10 |
| Milleporine | ||||||||