By Eugene H. Kaplan
With greater than 500 species defined and greater than four hundred illustrations, this advisor presents quickly and straightforward visible id of fishes, mollusks, sponges, shrimps, lobsters, crabs, and lots more and plenty extra of the fauna came across at the coral reefs of the Caribbean and Florida.
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Extra info for A Field Guide to Coral Reefs Caribbean and Florida (Peterson Field Guides)
7 Pens Pens, enclosures or hapas are used in shallow water, typically in ponds, to create a restricted environment for culture of fish and some crustaceans. They are not usually large, being in the order of tens of square metres or less. The walls of the enclosures may be closely spaced stakes, such as bamboo stems or mangrove branches, or wire and other mesh. This system of culture is practised mainly in developing countries. One interesting exception to the shallow water pen is the use of mesh fences or walls to enclose bottom-dwelling scallops.
For eels in Japan). 28 Aquaculture Fig. 9 Underwater view of a seacage used for culturing Atlantic salmon (Salmo salar) in Norway. Note the two figures standing on the floating ring of the cage. ) The peak stocking density achieved in each case depends upon being able to maintain the water quality conditions required by the cultured organism. Generally, stocking densities are lowest in ponds, followed by cages and with greatest densities achieved for raceways and tanks. Intensive aquaculture systems are a complete contrast to natural systems.
M. and Chang, E. Y. (2001). Techniques of finfish larviculture in Taiwan. Aquaculture, 200, 1–31. , Carvalho, G. , Quinitio, E. , Lebata, J. , Ut, V. N. and Fushimi, H. (2007). Quality of hatcheryreared juveniles for marine fisheries stock enhancement. Aquaculture, 268(1–4), 169–180. Ling, S. W. (1977). Aquaculture in Southeast Asia: A Historical Review. University of Washington Press, Seattle. Myers, R. A. and Worm, B. (2003) Rapid worldwide depletion of predatory fish communities. Nature, 423(May 15), 260–263.
A Field Guide to Coral Reefs Caribbean and Florida (Peterson Field Guides) by Eugene H. Kaplan