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Author : Michael Robert O'Farrell
Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (71 download)
Download or read book Estimating Persistence of Fished Populations with Limited Data written by Michael Robert O'Farrell and published by . This book was released on 2005 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (91 download)
Download or read book General Technical Report INT written by and published by . This book was released on 1993 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Progressive Fish-culturist written by and published by . This book was released on 1980 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Louis W. Botsford
Publisher : Oxford University Press
ISBN 13 : 0191075914
Total Pages : 352 pages
Book Rating : 4.1/5 (91 download)
Download or read book Population Dynamics for Conservation written by Louis W. Botsford and published by Oxford University Press. This book was released on 2019-09-26 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and published by . This book was released on 1981 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William J. Zielinski
Publisher : DIANE Publishing
ISBN 13 : 0788136283
Total Pages : 200 pages
Book Rating : 4.7/5 (881 download)
Download or read book American Marten, Fisher, Lynx, and Wolverine written by William J. Zielinski and published by DIANE Publishing. This book was released on 1998-05 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the Western U.S., the forest carnivores in this assessment are limited to boreal forest ecosystems. These forests are characterized by extensive landscapes with a component of structurally complex, mesic coniferous stands that are characteristic of late stages of forest development. This report assesses the scientific basis for conserving the American marten, fisher, lynx, & wolverine. It consists of literature reviews for each species & a discussion of management considerations & information needs. Comprehensive!
Author :
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fishery Bulletin written by and published by . This book was released on 1997 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council Canada
Publisher : NRC Research Press
ISBN 13 : 9780660157801
Total Pages : 756 pages
Book Rating : 4.1/5 (578 download)
Download or read book Climate Change and Northern Fish Populations written by National Research Council Canada and published by NRC Research Press. This book was released on 1995 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: These documents summarize some of the recent studies of the relationships among climate, the aquatic environment, and the dynamics of fish populations. The studies are mostly from the North Pacific ocean, but there are reports of investigations from the North Atlatic Ocean and from fresh water. Various papers include numerous examples of the relationships between fish abundance trends and the environment.
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.
Publisher : Food & Agriculture Org.
ISBN 13 : 9251335028
Total Pages : 75 pages
Book Rating : 4.2/5 (513 download)
Download or read book 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 published by Food & Agriculture Org.. This book was released on with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Bruce E. Rieman
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (319 download)
Download or read book Demographic and Habitat Requirements for Conservation of Bull Trout written by Bruce E. Rieman and published by . This book was released on 1993 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John F. Organ
Publisher : Rowman & Littlefield
ISBN 13 : 1538180154
Total Pages : 365 pages
Book Rating : 4.5/5 (381 download)
Download or read book The Codex of the Endangered Species Act, Volume II written by John F. Organ and published by Rowman & Littlefield. This book was released on 2023-11-13 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Sven Erik Jorgensen
Publisher : CRC Press
ISBN 13 : 1000082547
Total Pages : 3829 pages
Book Rating : 4.0/5 ( download)
Download or read book Environmental Management Handbook, Second Edition – Six Volume Set written by Sven Erik Jorgensen and published by CRC Press. This book was released on 2022-07-30 with total page 3829 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : David L. Propst
Publisher : University of Chicago Press
ISBN 13 : 022669450X
Total Pages : 465 pages
Book Rating : 4.2/5 (266 download)
Download or read book Standing between Life and Extinction written by David L. Propst and published by University of Chicago Press. This book was released on 2021-02-15 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: North American deserts—lands of little water—have long been home to a surprising diversity of aquatic life, from fish to insects and mollusks. With European settlement, however, water extraction, resource exploitation, and invasive species set many of these native aquatic species on downward spirals. In this book, conservationists dedicated to these creatures document the history of their work, the techniques and philosophies that inform it, and the challenges and opportunities of the future. A precursor to this book, Battle Against Extinction, laid out the scope of the problem and related conservation activities through the late 1980s. Since then, many nascent conservation programs have matured, and researchers have developed new technologies, improved and refined methods, and greatly expanded our knowledge of the myriad influences on the ecology and dynamics of these species. Standing between Life and Extinction brings the story up to date. While the future for some species is more secure than thirty years ago, others are less fortunate. Calling attention not only to iconic species like the razorback sucker, Gila trout, and Devils Hole pupfish, but also to other fishes and obscure and fascinating invertebrates inhabiting intermittent aquatic habitats, this book explores the scientific, social, and political challenges of preserving these aquatic species and their habitats amid an increasingly charged political discourse and in desert regions characterized by a growing human population and rapidly changing climate.
Author : Vincent Kerry Smith
Publisher : Edward Elgar Publishing
ISBN 13 : 9781782542100
Total Pages : 644 pages
Book Rating : 4.5/5 (421 download)
Download or read book Estimating Economic Values for Nature written by Vincent Kerry Smith and published by Edward Elgar Publishing. This book was released on 1996-06 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimating Economic Values for Nature presents, in one volume, a collection of V. Kerry Smith's papers prepared over 25 years dealing with the theory and practice of non-market valuation for environmental resources. Taken together, the papers explore the conceptual basis, the implementation process and empirical performance of all available methods of measuring economic values for the services of nature and how these values are constructed from people's choices. The issues discussed in this volume include travel cost recreation demand, averting behaviour, household production, hedonic property value, hedonic wage and contingent valuation methods. These essays describe what has been learned from past benefit analysis, using meta-analysis, as well as the issues at the frontier of current research in the area. This important volume will be welcomed by environmental and public economists, as well as practitioners of cost-benefit analysis, as an authoritative and comprehensive discussion of non-market valuation.
Author :
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.3/5 (91 download)
Download or read book General Technical Report RM. written by and published by . This book was released on 1994 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.3/5 (121 download)
Download or read book Federal Register written by and published by . This book was released on 2013-10 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart Harrad
Publisher : Springer Science & Business Media
ISBN 13 : 1461515718
Total Pages : 274 pages
Book Rating : 4.4/5 (615 download)
Download or read book Persistent Organic Pollutants written by Stuart Harrad and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Persistent Organic Pollutants (POPs) continue to be the subject of concern amongst the public, as well as the scientific and policy-making communities. These concerns are exemplified by the international efforts co-ordinated by the United Nations' Environment Programme and the +Economic Commission for Europe. Whilst the ultimate origin of this concern is the adverse effects of persistent organic pollutants in both humans and wildlife, there are other factors involved. In particular, whilst ambient concentrations of POPs in air and water present little direct hazard via inhalation and ingestion respectively, their propensity for transfer through the food chain means that species at the top of the ecological pyramid - including humans - can be exposed to concentrations of concern via their diet. Furthermore, their ability to undergo long-range atmospheric transport means that they represent a truly cross-boundary problem for mankind. Persistent Organic Pollutants focuses on the sources, atmospheric behaviour, terrestrial and aquatic food chain transfer, and human exposure and fate aspects of this important class of chemicals. Other topical issues are addressed, namely: temporal trends in contamination; their transport to polar regions; and the significance of the former Warsaw Pact nations of Central and Eastern Europe as both a global reservoir and source of POPs. Whilst the main focus is on PCDD/Fs, PCBs, and PAH; other organochlorine POPs such as DDT, lindane, and dieldrin are covered. Persistent Organic Pollutants also provides up-to-date, detailed, and authoritative coverage required by academics, environmental consultants, and policy-makers. Sufficient introductory material is also included to be of relevance to final year undergraduates, Masters and PhD students in Environmental Science/Chemistry.
