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Author: Lee Botts
Publisher: Dave Dempsey Environmental
ISBN:
Category : Nature
Languages : en
Pages : 404
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Book Description
Water quality concerns are not new to the Great Lakes. They emerged early in the 20th century, in 1909, and matured in 1972 and 1978. They remain a prominent part of today's conflicted politics and advancing industrial growth. The Great Lakes Water Quality Agreement, under the Boundary Waters Treaty of 1909, became a model to the world for environmental management across an international boundary. Evolution of the Great Lakes Water Quality Agreement recounts this historic binational relationship, an agreement intended to protect the fragile Great Lakes. One strength of the agreement is its flexibility, which includes a requirement for periodic review that allows modification as problems are solved, conditions change, or scientific research reveals new problems. The first progress was made in the 1970s in the area of eutrophication, the process by which lakes gradually age, which normally takes thousands of years to progress, but is accelerated by modern water pollution. The binational agreement led to the successful lowering of phosphorus levels that saved Lake Erie and prevented accelerated eutrophication in the rest of the Great Lakes ecosystem. Another major success at the time was the identification and lowering of the levels of toxic contaminants that cause major threats to human and wildlife health, from accumulating PCBs and other persistent organic pollutants
Author: Lee Botts
Publisher: Dave Dempsey Environmental
ISBN:
Category : Nature
Languages : en
Pages : 404
Get Book Here
Book Description
Water quality concerns are not new to the Great Lakes. They emerged early in the 20th century, in 1909, and matured in 1972 and 1978. They remain a prominent part of today's conflicted politics and advancing industrial growth. The Great Lakes Water Quality Agreement, under the Boundary Waters Treaty of 1909, became a model to the world for environmental management across an international boundary. Evolution of the Great Lakes Water Quality Agreement recounts this historic binational relationship, an agreement intended to protect the fragile Great Lakes. One strength of the agreement is its flexibility, which includes a requirement for periodic review that allows modification as problems are solved, conditions change, or scientific research reveals new problems. The first progress was made in the 1970s in the area of eutrophication, the process by which lakes gradually age, which normally takes thousands of years to progress, but is accelerated by modern water pollution. The binational agreement led to the successful lowering of phosphorus levels that saved Lake Erie and prevented accelerated eutrophication in the rest of the Great Lakes ecosystem. Another major success at the time was the identification and lowering of the levels of toxic contaminants that cause major threats to human and wildlife health, from accumulating PCBs and other persistent organic pollutants
Author: International Joint Commission
Publisher:
ISBN:
Category : Biotic communities
Languages : en
Pages : 44
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Book Description
Today, however, other concepts need to be incorporated into the Agreement so that it can facilitate contemporary efforts to protect and restore The purpose of the Agreement is to "restore and the water quality of the Great Lakes system and maintain" the water quality of the Great Lakes. [...] The following are four areas the Commission to the development of the Agreement in the 1970s suggests be considered for the purpose and scope and its amendment in 1987:. [...] For purposes of the Agreement, the Commission However, the Commission believes firmly that is of the view that a definition of the ecosystem adopting the ecosystem approach should not lead approach should be developed that is appropriate to to broadening the purpose of the Agreement. [...] This the objectives of the Agreement and the conditions means that the scope of the new Agreement - that in the basin. [...] Because the Commission basinwide consultations conducted by is recommending that the Agreement be endorsed the Commission, of the triennial progress by the U. S. Congress and the Parliament of reports under the Binational Action Plan, Canada, it is of the view that its role should be set out in a formal reference pursuant to Article IX of and (b) the Commission's independent the Boundary Waters Tr.
Author: Michigan. Legislative Service Bureau. Science and Technology Division
Publisher:
ISBN:
Category : Environmental protection
Languages : en
Pages : 74
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Book Description
Author:
Publisher:
ISBN:
Category : Hazardous substances
Languages : en
Pages : 24
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Book Description
Author: Dan Egan
Publisher: W. W. Norton & Company
ISBN: 0393246442
Category : Science
Languages : en
Pages : 306
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Book Description
New York Times Bestseller Winner of the Los Angeles Times Book Prize Winner of the J. Anthony Lukas Award "Nimbly splices together history, science, reporting and personal experiences into a taut and cautiously hopeful narrative.… Egan’s book is bursting with life (and yes, death)." —Robert Moor, New York Times Book Review The Great Lakes—Erie, Huron, Michigan, Ontario, and Superior—hold 20 percent of the world’s supply of surface fresh water and provide sustenance, work, and recreation for tens of millions of Americans. But they are under threat as never before, and their problems are spreading across the continent. The Death and Life of the Great Lakes is prize-winning reporter Dan Egan’s compulsively readable portrait of an ecological catastrophe happening right before our eyes, blending the epic story of the lakes with an examination of the perils they face and the ways we can restore and preserve them for generations to come.
Author: Margaret Beattie Bogue
Publisher: Univ of Wisconsin Press
ISBN:
Category : History
Languages : en
Pages : 472
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Book Description
Examines the history of human use of the fish resources of the Great Lakes, and analyzes the changing nature of the fish populations, especially those that became popular in the commercial markets.
Author: Peter Annin
Publisher: Island Press
ISBN: 159726637X
Category : Business & Economics
Languages : en
Pages : 321
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Book Description
The Great Lakes are the largest collection of fresh surface water on earth, and more than 40 million Americans and Canadians live in their basin. Will we divert water from the Great Lakes, causing them to end up like Central Asia's Aral Sea, which has lost 90 percent of its surface area and 75 percent of its volume since 1960? Or will we come to see that unregulated water withdrawals are ultimately catastrophic? Peter Annin writes a fast-paced account of the people and stories behind these upcoming battles. Destined to be the definitive story for the general public as well as policymakers, The Great Lakes Water Wars is a balanced, comprehensive look behind the scenes at the conflicts and compromises that are the past-and future-of this unique resource.
Author: Cory Brant
Publisher: University of Michigan Press
ISBN: 0472126032
Category : Nature
Languages : en
Pages : 215
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Book Description
The stuff of nightmares in both their looks and the wounds inflicted on their victims, sea lampreys (Petromyzon marinus) are perhaps the deadliest invasive species to ever enter the Great Lakes. At the invasion’s apex in the mid-20th century, harvests of lake trout (Salvelinus namaycush), the lampreys’ preferred host fish in the Great Lakes, plummeted from peak annual catches of 15 million pounds to just a few hundred thousand pounds per year—a drop of 98% in only a few decades. Threatening the complete collapse of the fishery, the sea lamprey invasion triggered an environmental awakening in the region and prompted an international treaty that secured unprecedented cooperation across political boundaries to protect the Great Lakes. Fueled by a pioneering scientific spirit, the war on Great Lakes sea lampreys led to discoveries that are the backbone of the program that eventually brought the creature under control and still protects the largest freshwater ecosystem in the world to this day. Great Lakes Sea Lamprey draws on extensive interviews with individuals who experienced the invasion firsthand as well as a trove of unexplored archival materials to tell the incredible story of sea lamprey in the Great Lakes—what started the invasion, how it was halted, and what this history can teach us about the response to biological invaders in the present and future. Richly illustrated with color and black & white photographs, the book will interest readers concerned with the health of the Great Lakes, the history of the conservation movement, and the ongoing threat of invasive species.
Author:
Publisher: Houghton Mifflin Harcourt
ISBN: 9780395150825
Category : Juvenile Fiction
Languages : en
Pages : 68
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Book Description
A small canoe carved by an Indian boy makes a journey from Lake Superior all the way to the Atlantic Ocean.
Author: Nancy Langston
Publisher: Brandeis University Press
ISBN: 168458065X
Category : Nature
Languages : en
Pages : 217
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Book Description
"Langston focuses on three ghost species in the Great Lakes watershed-woodland caribou, common loons, and lake sturgeon. Their traces are still present in DNA, small fragmented populations, or in lone individuals. We can still restore them, if we make the hard choices necessary for them to survive"--
