By T. R. McClanahan, C. R. C. Sheppard, D. O. Obura
Available and intricate, coral reefs are excellent ordinary laboratories for learning a variety of ecological and organic questions. This assortment makes a speciality of the Indian Ocean and the crimson Sea, which include one of the most astounding reefs discovered wherever and that are particularly little studied. it's going to entice a huge variety of researchers in ecology and should be a necessary source for someone learning reefs.
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Extra resources for Coral Reefs of the Indian Ocean: Their Ecology and Conservation
Nutr. Areas Reef/Algal Characteristics Salinity Summer Winter High High Low Low High High Red algal patch reefs Yes Southern Red Sea No Yes No No Yes covered with Sargassum, very low coral cover High to moderate coral slight, cover, Sargassum dominated 36 to reef crest but coral 40ppt domination on reef slope Yes No No No Yes Central, Southern Red Sea Limestone domes, mainly Yes, > devoid of corals, in 1 to 5 m 40 ppt deep Yes No Yes Yes No Central and eastern Arabian Gulf Reef flats at 0 to 1 m below low water springs, high energy areas, abundant algae on reef flats, but high coral diversity deeper No No No No Yes some areas Up welling areas, mainly dominated by Fucales but including Ecklonia No No Yes No No Simplest 'corals-on-corals' mode of reef development No No No No Yes Yes for example some Western Sri areas Lanka Yes Oman to Somalia, Ecklonia in southern Oman, possibly also Yemen.
Arabian Sea upwelling. Images derived from Coastal Zone Color Scanner of the Arabian region showing (left) northern winter and (right) northern summer upwelling values of chlorophyll in surface waters. Data from several overpasses were used to form monthly average composites (in 1979) on a grid of nominal size 20 x 20 km. Top scale on color bar is a linear mapping interval, lower scale is chlorophyll in C mg /m 3 , on log10 scale. ) Indo-oceanic complex' in which several dinoflagellates and diatoms are an outstanding feature of the whole Indian Ocean (28).
Based on GEBCO Digital Map of the Oceans, from 200 m contours with modifications. Not all shaded areas actually support reefs for reasons described in the text. Reefal areas of the western Indian Ocean are thus separated by substantial distances of deep ocean or muddy shallow water from the richer areas to the east. Although boundaries defined by an absence of anything, like lack of suitable substrate, may be vague, they are nonetheless important, and geographically there is a marked contiguity about the western side of the Ocean 6 Part I.