Estimating Persistence Of Fished Populations With Limited Data
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Estimating Persistence Of Fished Populations With Limited Data
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Author : Michael Robert O'Farrell
language : en
Publisher:
Release Date : 2005
Estimating Persistence Of Fished Populations With Limited Data written by Michael Robert O'Farrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
General Technical Report Int
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Author :
language : en
Publisher:
Release Date : 1993
General Technical Report Int written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Forests and forestry categories.
Population Dynamics For Conservation
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Author : Louis W. Botsford
language : en
Publisher: Oxford University Press
Release Date : 2019-09-26
Population Dynamics For Conservation written by Louis W. Botsford and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-26 with Science categories.
The management and conservation of natural populations relies heavily on concepts and results generated from models of population dynamics. Yet this is the first book to present a unified and coherent explanation of the underlying theory. This novel text begins with a consideration of what makes a good state variable, progressing from the simplest models (those with a single variable such as abundance or biomass) to more complex models with other key variables of population structure (including age, size, life history stage, and space). Throughout the book, attention is paid to concepts such as population variability, population stability, population viability/persistence, and harvest yield. Later chapters address specific applications to conservation such as recovery planning for species at risk, fishery management, and the spatial management of marine resources. Population Dynamics for Conservation is suitable for graduate-level students. It will also be valuable to academic and applied researchers in population biology. This overview of population dynamic theory can serve to further their population research, as well as to improve their understanding of population management.
The Progressive Fish Culturist
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Author : U.S. Fish and Wildlife Service
language : en
Publisher:
Release Date : 1981
The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Fish culture categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2006
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Dissertations, Academic categories.
Fishery Bulletin
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Author :
language : en
Publisher:
Release Date : 2006
Fishery Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Fisheries categories.
Size Based Assessment Of Data Limited Inland Fish Stocks Review And Applications
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Author : Shephard, S., Valbo-Jorgensen, J., Abadía, J., Baigún, C., Doria, C.R.C., Fabré, N.N., Isaac, V.J., Ngor, P.B., Ruffino, M.L., Funge-Smith, S.J.
language : en
Publisher: Food & Agriculture Org.
Release Date :
Size Based Assessment Of Data Limited Inland Fish Stocks Review And Applications written by Shephard, S., Valbo-Jorgensen, J., Abadía, J., Baigún, C., Doria, C.R.C., Fabré, N.N., Isaac, V.J., Ngor, P.B., Ruffino, M.L., Funge-Smith, S.J. and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on with Technology & Engineering categories.
Assessment of data-limited fish stocks is a rapidly evolving topic in marine fisheries, and is supported by an increasing focus on the socio-economic and ecological importance of small-scale fisheries. The challenges in such systems can be compounded in inland fisheries, which are often complex, spatially dispersed and difficult to monitor. This publication reviews the application of empirical indicators and simple size-based models usually used in marine fisheries, but also applicable in inland systems. It presents case study applications for important fisheries in the Amazon River (Brazil), Tonlé Sap River (Cambodia), Paraná River (Argentina) and Lago Bayano (Panama). These studies consider issues including spatial separation of life-history stages, strong modality in population size structure, and fishing gear selectivity. Local scientific experts interpreted trends in stock state. Empirical indicators showed strong decline in size structure and relative abundance for one of the four assessed Tonlé Sap stocks. The length-based spawning potential ratio model suggested that two of the three assessed Amazon Goliath catfish stocks, and the sábalo stock in the Paraná River, were below sustainable spawning potential ratio reference points. The Lago Bayano tilapia stock appeared healthy. The review concludes that data-limited assessment methods developed for marine stocks may provide guidance for the sustainable management of important target species in inland fisheries. The methods tested are probably less applicable in non-selective fisheries where small species are preferred, or in river fisheries with extreme dependence on flood pulses. Important considerations are species life history and spatial distribution, environmental variability, and fishery sampling strategy.
Sport Fishery Abstracts
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Author :
language : en
Publisher:
Release Date : 1965
Sport Fishery Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Fish culture categories.
Environmental Management Handbook Second Edition Six Volume Set
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Author : Sven Erik Jorgensen
language : en
Publisher: CRC Press
Release Date : 2022-07-30
Environmental Management Handbook Second Edition Six Volume Set written by Sven Erik Jorgensen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-30 with Technology & Engineering categories.
Bringing together a wealth of knowledge, the Handbook of Environmental Management, Second Edition, gives a comprehensive overview of environmental problems, their sources, their assessment, and their solutions. Through in-depth entries, and a topical table of contents, readers will quickly find answers to questions about pollution and management issues. This six-volume set is a reimagining of the award-winning Encyclopedia of Environmental Management, published in 2013, and features insights from more than 500 contributors, all experts in their fields. The experience, evidence, methods, and models used in studying environmental management is presented here in six stand-alone volumes, arranged along the major environmental systems. Features of the new edition: The first handbook that demonstrates the key processes and provisions for enhancing environmental management. Addresses new and cutting -edge topics on ecosystem services, resilience, sustainability, food-energy-water nexus, socio-ecological systems and more. Provides an excellent basic knowledge on environmental systems, explains how these systems function and offers strategies on how to best manage them. Includes the most important problems and solutions facing environmental management today.
The Codex Of The Endangered Species Act Volume Ii
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Author : John F. Organ
language : en
Publisher: Bloomsbury Publishing PLC
Release Date : 2023-11-13
The Codex Of The Endangered Species Act Volume Ii written by John F. Organ and has been published by Bloomsbury Publishing PLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-13 with Political Science categories.
The Endangered Species Act of 1973 (ESA) is one of the most cherished and reviled laws ever passed. It mandates protection and preservation of all the nation’s species and biodiversity, whatever the cost. It has been a lightning rod for controversy and conflicts between industry/business and environmentalists. In this volume, leading Endangered Species Act experts interpret and propose legislative and administrative changes to prepare the ESA for future challenges. They explore regulations on avoiding harm to and producing benefits for species, cooperation between state and federal agencies, scientific analyses, and the necessary politics to enact their ideas. This is a call to action to chart an enlightened future for the Endangered Species Act that embraces the nation’s moral commitment of 50 years ago to address species extinction constructively, mindful of biodiversity, and as a fixture among the nation’s values and needs. The interconnected web of life includes all living species that depend on each other for survival, us among them. The stakes—our very future—are too high to ignore.