Growth Potential Host Mortality And Size Trends Of The Parasitic Phase Of The Sea Lamprey Petromyzon Marinus In Lake Superior
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Growth Potential Host Mortality And Size Trends Of The Parasitic Phase Of The Sea Lamprey Petromyzon Marinus In Lake Superior
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Author : Jeffrey C. Jorgensen
language : en
Publisher:
Release Date : 2004
Growth Potential Host Mortality And Size Trends Of The Parasitic Phase Of The Sea Lamprey Petromyzon Marinus In Lake Superior written by Jeffrey C. Jorgensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Invasive Species In A Globalized World
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Author : Reuben P. Keller
language : en
Publisher: University of Chicago Press
Release Date : 2015
Invasive Species In A Globalized World written by Reuben P. Keller and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Nature categories.
Global trade and the spread of human populations have increasingly moved thousands of native animal and plant species across the natural barriers that have kept them ecologically separated for millions of years. Because some of them thrive in their new regions and harm the environment, the economy, and human health, the prevention and management of such invasive species has become a major local, national, and international policy initiative. Yet even though ecologists have been studying the negative (and sometimes positive) environmental impacts of invasive species and trying to curb their proliferation, and even though their work has in some cases stimulated public conversation and policy, politicians have generally ignored their recommendations. As a result, ecologists have achieved limited success in slowing the spread of invasives. They ve been realizing that in order to fully characterize the impacts of these species, they need to engage with other relevant disciplines across the social and legal sciences as well as the humanities. Drawing together a wide variety of ecologists, historians, economists, legal scholars, policymakers, and communication scholars, Invasive Species in a Globalized World aims to facilitate a dialogue among these various disciplines in order to fully understand invasives and stop their spread. Addressing the numerous challenges associated with reducing invasive impacts, the contributors provide direct policy recommendations, strategies for communicating the risks of invasive species, and insight into how public discourse drives our response to these risks."
The Biology Of Lampreys
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Author : M. W. Hardisty
language : en
Publisher:
Release Date : 1971
The Biology Of Lampreys written by M. W. Hardisty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Science categories.
Biology Of The Sea Lamprey In Its Parasitic Phase
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Author : Phillip Sheridan Parker
language : en
Publisher:
Release Date : 1956
Biology Of The Sea Lamprey In Its Parasitic Phase written by Phillip Sheridan Parker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Lampreys categories.
Most of the experimental lampreys were mature and rip after 14 to 18 months of parasitic life. They exhibited signs of irreversible physical degeneration which precedes death. Three specimens were immature at 14, 18, and 26 months in aquariums, thus indicating that under certain conditions, lampreys may extend their parasitic phase.
Application Of A Dichotomous Key To The Classification Of Sea Lamprey Marks On Great Lakes Fish
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Author : Mark P. Ebener
language : en
Publisher:
Release Date : 2006
Application Of A Dichotomous Key To The Classification Of Sea Lamprey Marks On Great Lakes Fish written by Mark P. Ebener and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Fishery management categories.
This document augments the dichotomous key crated by Ebener et al. (2003) with photographs taken during the 2002 and 2003 workshops, and it is intended to help fishery agencies implement the King and Edsall (1979) protocol for classifying sea lamprey marks. Their illustrations represented the "idealized" types and stages of sea lamprey marks in comparison with the more complicated marks often observed in the field. We combined the original King and Edsall (1979) photographic illustrations with photographs made at the five workshops to create this sequel to the 1979 field guide.
Workshop To Evaluate Sea Lamprey Populations Weslp
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Author : Great Lakes Fishery Commission
language : en
Publisher:
Release Date : 1987
Workshop To Evaluate Sea Lamprey Populations Weslp written by Great Lakes Fishery Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Fish populations categories.
Canadian Journal Of Fisheries And Aquatic Sciences
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Author :
language : en
Publisher:
Release Date : 2005
Canadian Journal Of Fisheries And Aquatic Sciences written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Aquatic sciences categories.
Lampreys Biology Conservation And Control
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Author : Margaret F. Docker
language : en
Publisher: Springer
Release Date : 2019-06-03
Lampreys Biology Conservation And Control written by Margaret F. Docker and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-03 with Science categories.
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.
Lampreys Biology Conservation And Control
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Author : Margaret F. Docker
language : en
Publisher: Springer
Release Date : 2014-11-24
Lampreys Biology Conservation And Control written by Margaret F. Docker and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Science categories.
The book provides the most comprehensive review of lamprey biology since Hardisty and Potter’s five-volume “The Biology of Lampreys” published more than 30 years ago. Published in two volumes, it includes contributions from international lamprey experts, reviewing and providing new insights into the evolution, general biology, and management of lampreys worldwide. This first volume offers up-to-date chapters on the systematics, general biology, conservation status, and conservation needs of lampreys. It will serve as an important reference for researchers working on any aspect of lamprey biology and fishery managers whose mandate is to control or conserve lamprey populations.
Control Of The Sea Lamprey
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Author : Bernard R. Smith
language : en
Publisher:
Release Date : 1974
Control Of The Sea Lamprey written by Bernard R. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Freshwater biology categories.