Marine crustaceans are divided into plank tonic.(Dee Sea, terrestrial, estuaries, mobile, attach to substrate and rocky area) crostaceans. crabs are mostly exposed to oil toxicity through coating on surface and body suffocating, feeding on oil polluted sediment which causes ensnaring and blockage of the gills and low feeding various research have recorded high death of crabs exposed to oil spills, while surviving members have impaired movement and digging ability.
Ecnomics of oil spills in the Gulf
During the 1930 and 1940 the discovery of oil in gulf led to a massive increase in shipping. This discovery is principally responsible for the huge ecnomic wealth and strategic importance associated with region today. Thus the socioecnomic development of the Gulf region environmental quality (Gerona and tolostoy 2010).
In 1991, the second Gulf war ted to largest history. Around 6 Million barrels of oil ware discharged into the Gulf. Moreover, 770 km of costline from southern Kuwait to Abu Ali Island (Sanely Arabia) were smothered with oil.
Fisheries as a multimillion dollar industry and thud artisanal fisheries as a resource of great social significance are harmful to coral reefs, mangrove provide a support and grounds for a number of commercially significant fish and shrimp species.
Conilusion
Marine oil spills can have a serious and impact on marine life, as well as on the ecnomics that exploit the resources of the sea. Generally, the effects of oil toxicity depend on a multitube of factors, including the oil composition and characteristics (Physical and chemical), condition (i.e.) weathered or not), exposure routes and regimen and bioavailability of the oil. Oil deperssants, which are common tool used after oil spills, are also toxic and threaten realign and benthic organisms as well as fish.
Mamore life can be affected indirectly through the physical damage to the habitats in which plants and animals live communities that are threatened by marine oil continuation Due to the different on thro pungency activities related to oil spills, in addition to the natural environmental stresses of the Gulf animal of social ecnomic impact are summarized by the treetering of the fish industry that supply most of the populations fresh water in addition scuba during tourism.
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