Sailing Directions for the East Coasts of Central America and Mexico PDF Download
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Author: United States. Naval Oceanographic Office
Publisher:
ISBN:
Category :
Languages : en
Pages : 328
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Book Description
Author: Eric Bird
Publisher: Springer Science & Business Media
ISBN: 1402086385
Category : Science
Languages : en
Pages : 1530
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Book Description
This unique richly-illustrated account of the landforms and geology of the world’s coasts, presented in a country-by-country (state-by-state) sequence, assembles a vast amount of data and images of an endangered and increasingly populated and developed landform. An international panel of 138 coastal experts provides information on “what is where” on each sector of coast, together with explanations of the landforms, their evolution and the changes taking place on them. As well as providing details on the coastal features of each country (state or county) the compendium can be used to determine the extent of particular features along the world’s coasts and to investigate comparisons and contrasts between various world regions. With more than 1440 color illustrations and photos, it is particularly useful as a source of information prior to researching or just visiting a sector of coast. References are provided to the current literature on coastal evolution and coastline changes.
Author: U. Seeliger
Publisher: Springer Science & Business Media
ISBN: 3540672281
Category : Science
Languages : en
Pages : 394
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Book Description
Coastal and marine ecosystems, some severely degraded, other still pristine, control rich resources of inshore environments and coastal seas of Latin America's Pacific and Atlantic margins. Conflicts between the needs of the region's nations and diminishing revenues and environmental quality have induced awareness of coastal ecological problems and motivated financial support for restoration and management. The volume provides a competent review on the structure, processes and function of 22 important Latin American coastal marine ecosystems. Each contribution describes the environmental settings, biotic components and structure of the system, considers trophic processes and energy flow, evaluates the modifying influence of natural and human perturbations, and suggests management needs. Although the focus of the book is on basic ecological research, the results have application for coastal managers.
Author: United States. Naval Oceanographic Office
Publisher:
ISBN:
Category :
Languages : en
Pages : 328
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 322
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 482
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 406
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 420
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 460
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Book Description
Author: United States. Hydrographic Office
Publisher:
ISBN:
Category : Pilot guides
Languages : en
Pages : 416
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Book Description
Author: Ingo S. Wehrtmann
Publisher: Springer Science & Business Media
ISBN: 1402082789
Category : Science
Languages : en
Pages : 545
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Book Description
Life began in the sea, and even today most of the deep diversity of the planet is marine. This is often forgotten, especially in tropical countries like Costa Rica, renowned for their rain forests and the multitude of life forms found therein. Thus this book focusing on marine diversity of Costa Rica is particularly welcome. How many marine species are there in Costa Rica? The authors report a total of 6,777 species, or 3. 5% of the world’s total. Yet the vast majority of marine species have yet to be formally described. Recent estimates of the numbers of species on coral reefs range from 1–9 million, so that the true number of marine species in Costa Rica is certainly far higher. In some groups the numbers are likely to be vastly higher because to date they have been so little studied. Only one species of nematode is reported, despite the fact that it has been said that nematodes are the most diverse of all marine groups. In better studied groups such as mollusks and crustaceans, reported numbers are in the thousands, but even in these groups many species remain to be described. Indeed the task of describing marine species is daunting – if there really are about 9 million marine species and Costa Rica has 3. 5% of them, then the total number would be over 300,000. Clearly, so much remains to be done that new approaches are needed. Genetic methods have en- mous promise in this regard.
