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Author : Mary J. Nickum
Publisher : Unknown
Page : 676 pages
File Size : 52,9 Mb
Release : 2004
Category : Fish culture
ISBN : UCSD:31822034224287
Author : Anonim
Publisher : Unknown
Page : 104 pages
File Size : 53,7 Mb
Release : 1986
Category : Fish-culture
ISBN : UCR:31210024882209
Author : Anonim
Publisher : Unknown
Page : 602 pages
File Size : 49,9 Mb
Release : 2009
Category : Electronic
ISBN : NWU:35556038797759
Author : Anders Halverson
Publisher : Yale University Press
Page : 310 pages
File Size : 51,8 Mb
Release : 2010-03-02
Category : Science
ISBN : 9780300166866
Anders Halverson provides an exhaustively researched and grippingly rendered account of the rainbow trout and why it has become the most commonly stocked and controversial freshwater fish in the United States. Discovered in the remote waters of northern California, rainbow trout have been artificially propagated and distributed for more than 130 years by government officials eager to present Americans with an opportunity to get back to nature by going fishing. Proudly dubbed an entirely synthetic fish by fisheries managers, the rainbow trout has been introduced into every state and province in the United States and Canada and to every continent except Antarctica, often with devastating effects on the native fauna. Halverson examines the paradoxes and reveals a range of characters, from nineteenth-century boosters who believed rainbows could be the saviors of democracy to twenty-first-century biologists who now seek to eradicate them from waters around the globe. Ultimately, the story of the rainbow trout is the story of our relationship with the natural world--how it has changed and how it startlingly has not.
Author : Anonim
Publisher : Unknown
Page : 1108 pages
File Size : 49,9 Mb
Release : 1987
Category : Government publications
ISBN : UIUC:30112063914292
Author : Anonim
Publisher : Unknown
Page : 1060 pages
File Size : 49,5 Mb
Release : 1983
Category : Government publications
ISBN : WISC:89117116897
Author : Anonim
Publisher : Unknown
Page : 96 pages
File Size : 54,7 Mb
Release : 1985
Category : Fish culture
ISBN : UCSD:31822033870692
Author : Matthew A. Patterson,Tony Brady
Publisher : Cambridge University Press
Page : 361 pages
File Size : 46,6 Mb
Release : 2018-02-22
Category : Nature
ISBN : 9781108445313
A practical, step-by-step guide to rearing freshwater mussels, one of the most imperiled groups of animals in the world.
Author : Javier Lobón-Cerviá,Nuria Sanz
Publisher : John Wiley & Sons
Page : 821 pages
File Size : 53,5 Mb
Release : 2017-12-18
Category : Technology & Engineering
ISBN : 9781119268314
Brown Trout: Biology, Ecology and Management A comprehensive guide to the most current research, history, genetics and ecology of the brown trout including challenging environmental problems The brown trout is an iconic species across its natural European distribution and has been introduced throughout the World. Brown Trout offers a comprehensive review of the scientific information and current research on this major fish species. While the brown trout is the most sought species by anglers, its introduction to various waters around the world is causing serious environmental problems. At the same time, introduction of exogenous brown trout lineages threats conservation of native gene pools of populations in many regions. The authors summarize the important aspects of the brown trout’s life history and ecology and focus on the impact caused by the species. The text explores potential management strategies in order to maintain numerous damaged populations within its natural distributional range and to ameliorate its impacts in exotic environments. The authors include information on a wide-range of topics such as recent updates in population genetics, evolutionary history, reproductive traits and early ontogeny, life history plasticity in anadromous brown trout and life history of the adfluvial brown trout and much more. This vital resource: Contains the latest research on the biology and ecology of brown trout Includes information on phylogeography, genetics, population dynamics and stock management Spotlights the brown trout’s introduction to regions around the world and the serious environmental impacts Offers a comprehensive review of conservation and management techniques Written for salmonid scientists and researchers, fishery and environmental managers, and students of population genetics, ecology and population dynamics, Brown Trout explores the most recent findings on the history, ecology and sustainability of this much-researched species.
Author : Anonim
Publisher : Unknown
Page : 348 pages
File Size : 53,9 Mb
Release : 2001
Category : Electronic
ISBN : NWU:35556033434010
Author : John F. Craig
Publisher : John Wiley & Sons
Page : 920 pages
File Size : 40,7 Mb
Release : 2016-01-12
Category : Technology & Engineering
ISBN : 9781118394403
Inland fisheries are vital for the livelihoods and food resources of humans worldwide but their importance is underestimated, probably because large numbers of small, local operators are involved. Freshwater Fisheries Ecology defines what we have globally, what we are going to lose and mitigate for, and what, given the right tools, we can save. To estimate potential production, the dynamics of freshwater ecosystems (rivers, lakes and estuaries) need to be understood. These dynamics are diverse, as are the earths freshwater fisheries resources (from boreal to tropical regions), and these influence how fisheries are both utilized and abused. Three main types of fisheries are illustrated within the book: artisanal, commercial and recreational, and the tools which have evolved for fisheries governance and management, including assessment methods, are described. The book also covers in detail fisheries development, providing information on improving fisheries through environmental and habitat evaluation, enhancement and rehabilitation, aquaculture, genetically modified fishes and sustainability. The book thoroughly reviews the negative impacts on fisheries including excessive harvesting, climate change, toxicology, impoundments, barriers and abstractions, non-native species and eutrophication. Finally, key areas of future research are outlined. Freshwater Fisheries Ecology is truly a landmark publication, containing contributions from over 100 leading experts and supported by the Fisheries Society of the British Isles. The global approach makes this book essential reading for fish biologists, fisheries scientists and ecologists and upper level students in these disciplines. Libraries in all universities and research establishments where biological and fisheries sciences are studied and taught should have multiple copies of this hugely valuable resource. About the Editor John Craig is Editor-in-Chief of the Journal of Fish Biology and has an enormous range of expertise and a wealth of knowledge of freshwater fishes and their ecology, having studied them around the globe, including in Asia, North America, Africa, the Middle East and Europe. His particular interests have been in population dynamics and life history strategies. He is a Fellow of the Linnean Society of London and the Royal Society of Biology.
Author : Stefan Schmutz,Jan Sendzimir
Publisher : Springer
Page : 571 pages
File Size : 46,9 Mb
Release : 2018-05-08
Category : Science
ISBN : 9783319732503
This open access book surveys the frontier of scientific river research and provides examples to guide management towards a sustainable future of riverine ecosystems. Principal structures and functions of the biogeosphere of rivers are explained; key threats are identified, and effective solutions for restoration and mitigation are provided. Rivers are among the most threatened ecosystems of the world. They increasingly suffer from pollution, water abstraction, river channelisation and damming. Fundamental knowledge of ecosystem structure and function is necessary to understand how human acitivities interfere with natural processes and which interventions are feasible to rectify this. Modern water legislation strives for sustainable water resource management and protection of important habitats and species. However, decision makers would benefit from more profound understanding of ecosystem degradation processes and of innovative methodologies and tools for efficient mitigation and restoration. The book provides best-practice examples of sustainable river management from on-site studies, European-wide analyses and case studies from other parts of the world. This book will be of interest to researchers in the field of aquatic ecology, river system functioning, conservation and restoration, to postgraduate students, to institutions involved in water management, and to water related industries.
Author : João Canning-Clode
Publisher : Walter de Gruyter GmbH & Co KG
Page : 488 pages
File Size : 51,6 Mb
Release : 2015-01-01
Category : Science
ISBN : 9783110438666
When organisms are deliberately or accidentally introduced into a new ecosystem a biological invasion may take place. These so-called ‘invasive species’ may establish, spread and ecologically alter the invaded community. Biological invasions by animals, plants, pathogens or vectors are one of the greatest environmental and economic threats and, along with habitat destruction, a leading cause of global biodiversity loss. In this book, more than 50 worldwide invasion scientists cover our current understanding of biological invasions, its impacts, patterns and mechanisms in both aquatic and terrestrial systems.
Author : Anonim
Publisher : Unknown
Page : 560 pages
File Size : 42,5 Mb
Release : 1970
Category : Information storage and retrieval systems
ISBN : PSU:000000178235
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies
Publisher : Unknown
Page : 1082 pages
File Size : 53,9 Mb
Release : 1993
Category : Political Science
ISBN : LOC:00186271361
