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By Linda Glover, Visit Amazon's Sylvia Earle Page, search results, Learn about Author Central, Sylvia Earle, , Graeme Kelleher

If humankind got a mandate to do every thing in our energy to undermine the earth's functioning, lets infrequently do a greater task than now we have some time past thirty years at the world's oceans, either by way of what we're placing into it-millions of a whole bunch trash and poisonous materials-and through what we're casting off of it-millions of a whole bunch natural world. but only in the near past have we all started to appreciate the size of these impacts.Defying Ocean's finish is the results of an remarkable attempt one of the world's biggest environmental corporations, scientists, the enterprise neighborhood, media, and foreign governments to deal with those marine matters. In June 2003, within the fruits of a year-long attempt, they met in particular to enhance a accomplished and possible time table to opposite the decline in future health of the world's oceans.As conservation organisations start to extend their concentration from land concerns to incorporate an important specialize in renovation of the ocean, it really is more and more obvious that we have got to procedure marine conservation in a different way and at a lot better scale than we need to date. what is additionally transparent is the significance and immediacy of the transforming into ocean issues are such that nobody association can deal with the task alone.Defying Ocean's finish is a daring step in bringing the assets had to endure in this significant challenge sooner than it truly is too overdue. It bargains a large procedure, a realistic plan with priorities and prices, aimed toward mobilizing the forces had to result in a "sea swap" of favorable attitudes, activities, and results for the oceans-and for we all.

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Natural History Physical geography The region under consideration consists of two semienclosed basins—the Caribbean Sea and the Gulf of Mexico—as well as the westernmost embayment of the Maritime claims in the Caribbean Accepted EEZ claims Accepted FZ claims Disputed EEZ & FZ claims Territorial seas High seas Figure 1 The many Exclusive Economic Zone (EEZ) and Fishery Zone (FZ) claims in the Caribbean region complicate regional conservation schemes. 8 Defying Ocean’s End Atlantic Ocean. Bounded to the west and south by Central and South America, the Caribbean is bounded to the north by the Greater Antilles (Cuba to Puerto Rico) and to the east by the great arc of small islands called the Lesser Antilles.

At first, the decimation of the indigenous populations probably led to a reduction in fishing pressure, a hiatus which may have enabled recovery of fish and megafauna to near natural levels in all areas for a period of perhaps 100 years (Jackson 1997). The demise of these indigenous cultures also meant the loss of traditional knowledge, and we do not know whether any of them ever exercised controls to protect marine resources. The growth of European colonies, and particularly the planta- tion culture, also brought dramatic changes.

Although these ecosystems are highly opportunistic and would be likely to migrate along with changing sealevels, intensive coastal development in many areas is likely to lead to a squeeze in the available space for mangroves to grow. The impacts of climate change on other offshore biological communities are difficult to predict, but many pelagic and migratory species use water temperatures as cues for their movements, and changes could have profound effects not only on population dynamics of the fish, but also the livelihoods of fishers using these stocks.

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