CORDIO Status Report 2000

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Meteorological data from the period of the 1998 sea warming event Sea-surface temperature (SST) In situ SST data obtained from the Waverider Buoy between March and July 1997 and February and July 1998 indicated that the mean SST reached its highest values during February (28.5 o C) and March (28.1 o C) 1998 (Figure 13). The long-term mean sea temperature at this time of year is 27 o C, thus temperatures were 1 o C - 1.5 o C higher than normal. SST was higher in 1998 than in 1997 in both March (1998: 28.1 o C; 1997: 27.5 o C) and April (1998: 27.4 o C; 1997: 26.8 o C). No data were available for February 1997. SSTs were significantly higher in February and March 1998 than in April-July 1998 (student’s t-test: T = 5.19, df = 7, p
Figure 14. Total rainfall (mm) per month between January 1997 and April 1999 for sites in the north west of Mauritius. Data were provided by the Mauritius Meteorological Office. Total Rainfall (mm) 800 600 400 200 0 Jan-97 Feb-97 Mar-97 Apr-97 May-97 Jun-97 Jul-97 Aug-97 Sep-97 Okt-97 Nov-97 Dec-97 Jan-98 Feb-98 Mar-98 Apr-98 May-98 Jun-98 Jul-98 Aug-98 Sep-98 Oct-98 Nov-98 Dec-98 Jan-99 Feb-99 Mar-99 Apr-99 Month Cloud cover and sunshine February 1998 had the highest daily mean cloud coverage (6.7 hours, recorded at Vacoas) during the whole period between January 1997 and March 1999 (Figure 15) due to cyclone Anacelle and the subsequent low-pressure system. Total hours of sunshine in February 1998 were the lowest recorded during the period between January 1997 and April 1999, due to the high cloud coverage (Figure 16). Analysis of variance indicated that there were significantly lower hours of sunshine in February 1998 than in February 1997 (F = 4.68, df = 17, p
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CORAL REEF DEGRADATION IN THE INDIA
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Foreword The temperatures of the wo
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Address by the Global Coral Reef Mo
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Table of contents FORWARD 3 ADDRESS
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Executive Summary The World Conserv
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to date. Working group discussions
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Biophysical Generally, region-wide
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species exhibit different tolerance
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er-term, “shifting baselines” i
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flow diagram presented below. CORDI
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SECTION I Status Reports - 21 -
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East Africa - Summary DAVID OBURA C
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Kenya, reef status and ecology DAVI
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BENTHIC COMMUNITIES Benthic communi
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Figure 2. Three strategies for blea
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% cover % cover 16 14 12 10 8 6 4 2
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Table 3: Population densities and s
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Assessment of coral reef degradatio
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Table 1. Reef stations surveyed in
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live coral cover for Mbudya Marine
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Table 5. Some environmental paramet
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Coral reef monitoring and managemen
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L impopo Maputo Sa ve River Riv er
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category) and size classes (total n
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The status of South African coral r
Page 52 and 53: South Asia - Summary DAN WILHELMSSO
Page 54 and 55: SRI LANKA Most shallow coral reef h
Page 56 and 57: corals in Sri Lanka is relatively h
Page 58 and 59: Figure 1. Distribution of coral ree
Page 60 and 61: Kandakuliya Most of the nearshore r
Page 62 and 63: shallow water (0 m - 3 m) on the re
Page 64 and 65: Rajasuriya, A & De Silva, M.W.R.N.
Page 66 and 67: In each of these regions three reef
Page 68 and 69: Table 4. Summary data from transect
Page 70 and 71: The status of the coral reefs of In
Page 72 and 73: Relative importance in total landin
Page 74 and 75: Small pelagics Large pelagics Demer
Page 76 and 77: Indian Ocean Islands - Summary SUSI
Page 78 and 79: The reefs of the granitic islands o
Page 80 and 81: onies damaged was recorded using th
Page 82 and 83: FAMILY GENUS SPECIES DEAD SURVIVING
Page 84 and 85: FAMILY GENUS SPECIES DEAD SURVIVING
Page 86 and 87: Figure 10. Recruit on consolidated
Page 88 and 89: Reef systems of the islands of the
Page 90 and 91: Figure 2. Coral condition by locati
Page 92 and 93: At the Bank’s northern and southe
Page 94 and 95: chelles (Turner et al., this volume
Page 96 and 97: the shallow bays of Balaclava Marin
Page 98 and 99: Development of a geographical infor
Page 100 and 101: 2 1,8 1,6 Mean Bleaching Score 1,4
Page 104 and 105: Figure 16. Total sunshine (hrs) per
Page 106 and 107: solar irradiance. In Thailand, loca
Page 108 and 109: Harriott, V.J. 1985. Mortality rate
Page 110 and 111: Table 1. Location of CORDIO monitor
Page 112 and 113: Figure 1. Recovery from settlement
Page 114 and 115: that due to its low impact, dead co
Page 116 and 117: Map of the Western Indian Ocean wit
Page 118 and 119: In April 1998, close to the peak of
Page 120 and 121: Pachyseris, Turbinaria spp.) and en
Page 122 and 123: Partial mortality of Favites flexuo
Page 124 and 125: REFERENCES Barnes, J., Bellamy, D.J
Page 126 and 127: SECTION II Environmental Monitoring
Page 128 and 129: Sea surface temperature in the west
Page 130 and 131: Temperature and water exchange in a
Page 132 and 133: Figure 2a. Time series temperature
Page 134 and 135: ACKNOWLEDGEMENTS I would like to th
Page 136 and 137: Figure 2. Settlement plates for cor
Page 138 and 139: REFERENCES CARICOMP. 1994. Manual o
Page 140 and 141: Figure 2. Two possible recoveries f
Page 142 and 143: SECTION III Thematic/Research Repor
Page 144 and 145: Socio-economic assessment of the im
Page 146 and 147: to escape predation (Williams, 1991
Page 148 and 149: Table 4 Demersal fish landings in 1
Page 150 and 151: mersal species have not been heavil
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Therefore, it must be concluded tha
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▲ Level of importance 35 30 25 20
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very few come specifically for reef
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Percentage 28% Food and beverages w
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Anonymous. 1998b. Basic Fisheries S
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has a 4 m tidal range) dominated by
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Table 1. Comparison of the gross be
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Greenstein, B.J., Curran, H.A. & Po
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to assess ciguatera risk by impleme
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Evaluation of succession and coral
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within each depth zone (5 m and 10
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The taxonomic patterns of coral rec
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dives, this study has demonstrated
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Bioerosive processes An important a
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each of the three different fish co
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Figure 1. Coral fragments transplan
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Pavona Echinopora 50 100 50 100 Gro
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A low-tech method for reef rehabili
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Impacts of bleaching on coral commu
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anching and massive corals (Plate 1
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es, metal bars and PVC surfaces. No
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strate that supports a low percenta
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egeneration and prevent further des
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APPENDICES - 197 -
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Coral Reef Degradation in the India
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LIST OF PARTICIPANTS LIONEL BIGOT A
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AGNETHA NILSSON Programme Officer U
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DR. SUE WELLS Co-ordinator, E.A. Ma
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