Santillo david (11 resultados)

Paperback. Condición: New.

Condición: As New. Unread book in perfect condition.

Condición: New.

Condición: New. pp. xiv + 258.

Hardcover. Condición: Good. No Jacket. Slight tear to spine, otherwise very good condition.

Condición: Sehr gut. Zustand: Sehr gut | Seiten: 272 | Sprache: Englisch | Produktart: Bücher | The world¿s oceans cover 70% of the earth¿s surface and are home to a myriad of amazing and beautiful creatures. However, the biodiversity of the oceans is incre- ingly coming under serious threat from many human activities including overfi- ing, use of destructive fishing methods, pollution and commercial aquaculture. In addition, climate change is already having an impact on some marine ecosystems. This book discusses some of the major threats facing marine ecosystems by cons- ering a range of topics, under chapters discussing biodiversity (Chapter 1), fisheries (Chapter 2), aquaculture (Chapter 3), pollution (Chapter 4) and the impacts of increasing greenhouse gas emissions (Chapter 5). It goes on to explore solutions to the problems by discussing equitable and sustainable management of the oceans (Chapter 6) and protecting marine ecosystems using marine reserves (Chapter 7). Presently, 76% of the oceans are fully or over-exploited with respect to fishing, and many species have been severely depleted. It is abundantly clear that, in general, current fisheries management regimes are to blame for much of the widespread degradation of the oceans. Many policy-makers and scientists now agree that we must adopt a radical new approach to managing the seas ¿ one that is precautionary in nature and has protection of the whole marine ecosystem as its primary objective. This ¿ecosystem-based approach¿ is vital if we are to ensure the health of our oceans for future generations.…

Paperback. Condición: New.

Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Provides a review of scientific literature on environmental issues facing the oceansCovers a wide range of topics to illustrate the breadth of threats from human activities facing the marine environmentLinks environmental issues with policy.…

Gebunden. Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Provides a review of scientific literature on environmental issues facing the oceansCovers a wide range of topics to illustrate the breadth of threats from human activities facing the marine environmentLinks environmental issues with policy.…

Condición: New. Print on Demand pp. xiv + 258.

Condición: New. PRINT ON DEMAND pp. xiv + 258.