Coral Reefs of the Indian Ocean: Their Ecology and by T. R. McClanahan, C. R. C. Sheppard, D. O. Obura

By T. R. McClanahan, C. R. C. Sheppard, D. O. Obura

Obtainable and intricate, coral reefs are perfect normal laboratories for learning quite a lot of ecological and organic questions. This assortment specializes in the Indian Ocean and the purple Sea, which include probably the most brilliant reefs came across anyplace and that are really little studied. it's going to entice a large variety of researchers in ecology and may be a necessary source for an individual learning reefs.

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Extra info for Coral Reefs of the Indian Ocean: Their Ecology and Conservation

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The annual mean 20°C contour which conventionally defines the limits to reef growth is not drawn though it roughly coincides with the bottom of the map. There is no equivalent temperature contour in the north of the ocean. Arrows show cyclone tracks in the ocean. (54). 1 summarizes generic and species data from sites across the whole Indian Ocean. In the data matrix of 26 sites and 491 coral species, about 5000 of the cells, or 40%, are 'filled', nearly double that recorded in the compilation of 15 years ago.

Plankton The plankton of the Indian Ocean have been divided into eight geographical regions, determined by the relative ratios of diatoms, dinoflagellates and cyanophytes, itself influenced by whether there is annual stability or strong seasonality induced by upwelling (30). These regions are not necessarily continuous: for example the Arabian Sea is grouped with upwelling areas off Australia and Indonesia. All regions may be viewed as components of a 'basic 30 Part I. 10. Arabian Sea upwelling.

Commonly an abrupt transition in dominant species takes place which can be ascribed to a sudden deepening of the substrate on a reef flat, for example. In particularly dense seagrass beds, such as in sheltered, saline areas in the Arabian Gulf, seagrasses are mixed with algae. While it is commonly held that seagrasses occur in soft substrates and algae are attached to hard substrates, in very sheltered sites mixtures of both groups occur together over many hundreds of km2. Substrates may be coarse and shelly, to muddy, but if the shelter is sufficient, both seagrasses and algae up to 30 cm tall occur profusely.

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