Use of Electricity in the Control of Sea Lampreys PDF Download
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Author: Vernon Calvert Applegate
Publisher:
ISBN:
Category : Electricity
Languages : en
Pages : 70
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Author: Vernon Calvert Applegate
Publisher:
ISBN:
Category : Electricity
Languages : en
Pages : 70
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 50
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 68
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 790
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Author: Alberton L. McLain
Publisher:
ISBN:
Category : Electric fishing
Languages : en
Pages : 32
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Author: Margaret F. Docker
Publisher: Springer
ISBN: 9402416846
Category : Science
Languages : en
Pages : 590
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Book Description
This book, published in two volumes, provides the most comprehensive review of lamprey biology since Hardisty and Potter’s “The Biology of Lampreys” published more than 30 years ago. This second volume offers a synthesis of topics related to the lamprey gonad (e.g., lamprey sex ratios, sex determination and sex differentiation, sexual maturation, and sex steroids), the artifical propagation of lampreys, post-metamorphic feeding and the evolution of alternative feeding and migratory types, the history and status of sea lamprey control in the Laurentian Great Lakes and Lake Champlain, and an overview of contributions of lamprey developmental studies for understanding vertebrate evolution.
Author: Ralph Oscar Hile
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 52
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Author: John S. MacGregor
Publisher:
ISBN:
Category : Atlantic mackerel
Languages : en
Pages : 480
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Author: Cory Brant
Publisher: University of Michigan Press
ISBN: 0472126032
Category : Nature
Languages : en
Pages : 215
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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: Hiroshi Nakamura
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 1052
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Book Description
