By D. R. Stoddart and R. E. Johannes

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Bioecology of Kapingamarangi Atoll, Caroline Islands: terrestrial aspects, Atoll. Res.. Bull. vol. 49, p. I-32. PICHON, M. 1971. Comparative study of the main features of some coral reefs of Madagascar. La Reunion and Mauritius. Symp. zool. Sot. , vol. 28, p. 1855216. RISK, M. J. 1972. Fish diversity on a coral reefin the Virgin Islands. Atoll. Res. , vol. 153, p. l-6. ROBERTS,H. H. 1974. Variability of reefs with regard to changes in wave power around an island. In: Proc. Second Znt. Coral Reef Symp.

Spurs and grooves Surface pattern visible, but no penetration. Dark blue. Pink tones when exposed, light blues when just submerged, dark blues Living coral deeper than 1 m. Not visible at depths greater than 3 m. Algal terraces w z 2 features or coral-sand shingle or rubble are shown in very light tones and shingle ramparts become sharply defined, particularly where they drop into moats. Even minor areas of sand or shingle are defined with great clarity. 9 microns). Thus the reds which record this radiation have a much greater tonal range than the greens recorded in normal colour photography.

Woods and J. N. Lythgoe (eds). Underwater science. Oxford. tiniversity Press, p. -101. SANDOVER,J. A. 1961. P/me surveying. ). ; CALDWELL, J. M. 1953. Accuracy of hydrographic surveying in and near the surf done. Tech. Mem. Recrch Erosion Board, vol. 32. p. I -17, A I -A 1 1. SPENDER,M. A. 1930. Island-reefs of the Queensland coast. Geogr. , vol. 76, p. 194214, p. 273-97. STODDART, D. R. 1962. Surveying. Atoll Res. , vol. 87, p. 129. WENTWORTH, C. K. 1953. Use of hand level and Brunton compass for determining and mapping minor topography.

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