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Showing 1 - 3 of 3 matches in All Departments

Waters in Peril (Hardcover, 2001 ed.): Leah Bendell-Young, Patricia Gallaugher Waters in Peril (Hardcover, 2001 ed.)
Leah Bendell-Young, Patricia Gallaugher
R2,945 Discovery Miles 29 450 Ships in 10 - 15 working days

Waters in Peril presents the most recent scientific evidence produced by internationally renowned ocean scientists on the current state of ocean ecosystems, globally. Covering over seventy percent of the earth's surface, the ocean is the world's largest common property resource, jointly owned by over six billion humans. It is the foundation for life on earth as we know it. The content ranges from the movement of essential nutrients in the sea to the loss of diversity as a consequence of overharvesting practices and habitat loss. Essential to the maintenance of complex ecosystems is the proper functioning of biogeochemical cycles within the oceans. Waters in Peril addresses this topic by detailing behavior of the essential nutrients, nitrogen and phosphorus, and discussing how these cycles are being altered so as to compromise the function of ocean ecosystems. Issues regarding how man-made activities are further altering the structure of oceanic systems are also discussed. In addition, the mechanism for and consequences of the loss of biodiversity are described, with issues such as overfishing, the invasion of exotic species, and the loss of ocean habitat being presented in such a way that the average reader can readily grasp the concepts. Rather than end on a negative Doomsday' note, the final chapters provide recommendations and directions for solutions as to how to reverse these human-induced trends.

Waters in Peril (Paperback, Softcover reprint of the original 1st ed. 2001): Leah Bendell-Young, Patricia Gallaugher Waters in Peril (Paperback, Softcover reprint of the original 1st ed. 2001)
Leah Bendell-Young, Patricia Gallaugher
R2,783 Discovery Miles 27 830 Ships in 10 - 15 working days

Who Speaks for the Oceans? The question has been asked a lot in recent years - just who is looking out for our oceans? Covering over seventy percent of the earth's surface it is the world's largest common property resource, jojntly owned by over six billion humans. It is the foundation for life on earth as we know it. Over the years, many people have spoken about various aspects of our ocean environments and they have spoken to different audiences in many different ways. For many in the public realm, Jacques Cousteau spoke for the ocean. Since his passing, no single voice with the sallle public identity or recognition has emerged. Certainly the many governments bordering our oceans cannot agree on common principles or issues of ocean use and management. We might be tempted think that we do not have an ocean spokesperson or champion, but we would be wrong. Today, the rapidly growing number of scientists working hard to expand our under standing of our ocean realm are the ocean voices we should listen to. At the same time as our scientists advance their understanding of the oceans, we all need to advance our abilities and commitment to communicate on behalf of the oceans with broader and broader audiences who need to be aware of where things stand. Often called "the last great frontier," earth's oceans are vast, widely varied, and are hard to get to, arid into, to do the research we need done."

Stewarding the Sound - The Challenge of Managing Sensitive Coastal Ecosystems (Hardcover): Leah Bendell, Patricia Gallaugher,... Stewarding the Sound - The Challenge of Managing Sensitive Coastal Ecosystems (Hardcover)
Leah Bendell, Patricia Gallaugher, Shelley McKeachie, Laurie Wood
R3,172 Discovery Miles 31 720 Ships in 12 - 17 working days

Stewarding the Sound uses different perspectives to build awareness of the wealth and fragility of this ecosystem by balancing economic and social needs with conservation. This book, the first ever compilation of the ecological importance of the Sound, demonstrates the cumulative stresses that are now occurring within the Sound and the impact that these stresses are having on the ecosystem. This contributed volume will provide the means of reaching a wide audience to spread awareness of how ecologically important this region is and that it requires a sound management plan so that its ecosystem and the services that ecosystem provides are not compromised.

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