State of the Worlds Oceans 9781402091155 Michelle Allsopp

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Titel: State of the World's Oceans
Auteur: Michelle Allsopp
ISBN: 9781402091155
Conditie: Als nieuw

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).

This book provides a contemporary overview of the world’s oceans. It identifies and describes the various problems which continue to threaten environmental quality and biodiversity, ranging from overfishing to the complex changes which could take place as a result of global climate change. Written by scientists working at the Greenpeace Research Laboratories at the University of Exeter in the UK, it is based upon the latest published scientific information. It draws upon the considerable and unique experience of Greenpeace as an organisation working on a diverse array of marine conservation issues at the international scale. The book is designed to serve a wide readership, both as a source of reliable information and as an introduction to the wide literature which exists on marine conservation issues. It is designed to be accessible by those pursuing academic studies as well as those with a more general interest in the factors which are shaping our oceans. As well as identifying the many problems, the book also outlines the ways in which the foundations and building blocks for clean, healthy and biodiverse seas can be provided, especially through the development of a global network of marine reserves.

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.

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