Spawning And Life History Information For North Atlantic Cod Stocks
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Spawning And Life History Information For North Atlantic Cod Stocks
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Author : K. M. Brander
language : en
Publisher:
Release Date : 2005
Spawning And Life History Information For North Atlantic Cod Stocks written by K. M. Brander and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Atlantic cod categories.
Atlantic Cod
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Author : George A. Rose
language : en
Publisher: John Wiley & Sons
Release Date : 2019-02-26
Atlantic Cod written by George A. Rose and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-26 with Technology & Engineering categories.
A comprehensive handbook, covering all aspects of the Atlantic cod including the biology, ecology, life histories, behaviour, commercial exploitation and conservation Not only is Atlantic cod one of the most valuable food fish in the world’s oceans, it is an important component of North Atlantic ecosystems and has been subject to much research into its biology, ecology and exploitation. After hundreds of years of exploitation, overfishing in the last half of the 20th Century caused many stocks to collapse, most famously the Northern cod stock off Newfoundland and Labrador, Canada. Since then, most cod stocks have been better researched and managed, but remain in a variety of states, from fully recovered to continued decline. This book, written by world experts, describes that research and management, and the importance of cod and its fisheries on North Atlantic cultures and economies, with impacts well beyond the range of the species. Atlantic Cod: Bio-Ecology of the Fish offers insightful chapter coverage of cod nomenclature, taxonomy, phylogeny and morphology; physiology and ecophysiology; reproduction and spawning behavior; early life history and pre-recruitment processes; migrations, movements and stock identity; feeding, growth and energetics; the place of cod in the ecosystem; the exploitation of cod through history and present day commercial fisheries and precautionary management for sustainable fisheries; impacts of climate change on cod biology and ecology; and the future of the species and its fisheries. Discusses the major commercial importance of Atlantic cod through history Provides a comprehensive treatment of the bio-ecology of the most researched and highly exploited fully marine species Examines how the decline (and recovery) of cod stocks is of great political and scientific interest An essential purchase for marine fisheries scientists Atlantic Cod: Bio-Ecology of the Fish is a vital book for all fisheries scientists, managers and fish biologists.
Spawning And Life History Information For North Atlantic Cod Stocks
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Author : K. M. Brander
language : en
Publisher:
Release Date : 1994
Spawning And Life History Information For North Atlantic Cod Stocks written by K. M. Brander and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Atlantic cod fisheries categories.
Cod
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Author : George A. Rose
language : en
Publisher: Breakwater Books
Release Date : 2007
Cod written by George A. Rose and has been published by Breakwater Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Business & Economics categories.
The devastation of many of the greatest North Atlantic cod stocks, particularly those of Newfoundland and Labrador and the Grand Banks, has become an icon for the unsustainable relation between human exploitation and Nature. Here, George Rose tells the full story of that devastation, in scientific detail, for the first time - from the formation of the North Atlantic marine ecosystems to the massive stock declines in the last half of the 20th century. Politics and the fisheries are inextricably entwined. In Cod, Rose recounts the many political influences on the fisheries over several centuries and describes how neglect from the late 1800s onward led to insufficient scientific knowledge and little protection for the stocks when massive Euro-Russian fleets targeted the Grand Banks after World War II, destroying the most prolific fishery the world has known. Cod is no armchair account, but a controversial one that includes original information on the North Atlantic fisheries.
Fecundity And Reproductive Behaviour Of Atlantic Cod Gadus Morhua Using Active And Passive Acoustics
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Author : Susan Beth Fudge
language : en
Publisher:
Release Date : 2009
Fecundity And Reproductive Behaviour Of Atlantic Cod Gadus Morhua Using Active And Passive Acoustics written by Susan Beth Fudge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Increasing The Spawning Biomass Of Northern Atlantic Cod Gadus Morhua Through The Release Of Mature Farmed Fish
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Author : Harris Wade Hiscock
language : en
Publisher:
Release Date : 1997
Increasing The Spawning Biomass Of Northern Atlantic Cod Gadus Morhua Through The Release Of Mature Farmed Fish written by Harris Wade Hiscock and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Atlantic cod categories.
Spawning Dynamics Seasonal Movements And Population Structure Of Atlantic Cod Gadus Morhua In The Gulf Of Maine
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Author : Douglas Robert Zemeckis
language : en
Publisher:
Release Date : 2016
Spawning Dynamics Seasonal Movements And Population Structure Of Atlantic Cod Gadus Morhua In The Gulf Of Maine written by Douglas Robert Zemeckis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Atlantic cod categories.
Atlantic cod (Gadus morhua) have been a principal target species in New England's ground fish fishery since the 17th century. In recent decades, the Gulf of Maine cod stock has experienced substantial declines in abundance, and many historical spawning components have been depleted, reducing stock productivity and stability. Managing stock rebuilding has been difficult because of many uncertainties in population dynamics. Therefore, to support stock rebuilding efforts, the objective of this dissertation was to improve our understanding of the spawning dynamics, seasonal movements, and population structure of Atlantic cod in the Gulf of Maine. An interdisciplinary review of the scientific literature demonstrated that the cod population off New England can be described as a metapopulation that includes genetically-distinct spring- and winter spawning subpopulations which are comprised of many finer-scale spawning components. Available information indicates that current management unit boundaries do not accurately represent the biological population structure. Therefore, a modification of current management units is recommended to provide a more accurate representation of the underlying biological population processes. Review of the cod spawning literature indicated that cod spawn in multiple locations and seasons, and the complex cod mating system can be described as a "lek". The aspects of cod spawning dynamics most important for consideration by fishery managers are the spatial and temporal extent ofspawning, the behavior of spawners, and the reproductive contributions of older age-classes. The application of spawning closures as part of a multidisciplinary approach to fisheries management is recommended to prevent disruption of spawning and extirpation of semi-discrete spawning components. Spawning site fidelity contributes to the formation and maintenance of the observed metapopulation structure and delays the recolonization of abandoned spawning sites by limiting reproductive connectivity. Acoustic telemetry was used to document prevalent, fine-scale spawning site fidelity with respect to an inshore spawning site in the western Gulf of Maine. Movements away from the inshore spawning site were studied using conventional tags, acoustic telemetry, and geolocation utilizing data from archival data storage tags. Connectivity was documented among multiple inshore spawning sites, which is apparently sufficient to promote gene flow within the western subpopulation. Cod were primarily residential within the western Gulf of Maine. After spawning inshore, cod moved to offshore feeding grounds from summer to early winter. Deep offshore basins served as overwintering habitat before initiation of an inshore spring spawning migration. Results from this dissertation have been valuable for informing fishery managers in the development of regulations to protect cod spawning aggregations. Findings are contributing to ongoing processes to investigate cod population structure and reevaluate current management units. This dissertation provides a more holistic understanding of cod population dynamics, which is expected to contribute to the development of future fishery management plans and stock assessment models that work towards achieving stock rebuilding.
Seasonal Biological Cycles In Atlantic Cod Gadus Morhua And Implications For Fisheries And Management
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Author : Luiz Gonzaga Silveira Mello
language : en
Publisher:
Release Date : 2005
Seasonal Biological Cycles In Atlantic Cod Gadus Morhua And Implications For Fisheries And Management written by Luiz Gonzaga Silveira Mello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Atlantic cod categories.
Fr Skaparrit 53
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Author :
language : en
Publisher: Faroe University Press
Release Date :
Fr Skaparrit 53 written by and has been published by Faroe University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Management Of Shared Fish Stocks
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Author : Andrew I. L. Payne
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
Management Of Shared Fish Stocks written by Andrew I. L. Payne and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.
Celebrating the centenary of the Centre for Environment Fisheries and Aquaculture Science (CEFAS) Fisheries Research Laboratory at Lowestoft, UK, this peer-reviewed, edited tome discusses four interwoven themes: · The consequences and management of unregulated/unreported catches · Competition · External drivers and resource behaviour · Ecosystems and migration With contributions from fisheries scientists, policy-makers and managers from more than twenty countries, this international volume has evolved from the CEFAS symposium on International Approaches to Management of Shared Fish Stock- Problems and Future Directions. The editors, Andrew Payne, Carl O’Brien and Stuart Rogers, have succeeded in bringing together the research of over sixty participants into an essential source of reference for all those involved in, or studying, fisheries management across the globe.