krainaksiazek conservation of freshwater fishes 20112159

- znaleziono 8 produktów w 2 sklepach

Conservation Of Freshwater Fishes - 2850824535

269,99 zł

Conservation Of Freshwater Fishes

Książki Obcojęzyczne>Angielskie>Mathematics & science>Biology, life sciences>Zoology & animal sciences>Zoology: Vertebrates>Fishes (...

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Sklep: Gigant.pl

Diversity Distribution And Conservation Status Of Freshwater Fishes - 2857133962

239,99 zł

Diversity Distribution And Conservation Status Of Freshwater Fishes

Książki Obcojęzyczne>Angielskie>Mathematics & science>Biology, life sciences>Life sciences: general issues>Ecological science, the Bios...

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Sklep: Gigant.pl

Conservation of Freshwater Fishes - 2854369988

206,06 zł

Conservation of Freshwater Fishes Cambridge University Press

Książki / Literatura obcojęzyczna

Freshwater fish are one of the most diverse groups of vertebrates, but are also amongst the most threatened. With contributions from leaders in the field, this is the first assessment of the global state of freshwater fish diversity, synthesising the opportunities, challenges and barriers facing the conservation of freshwater fish biodiversity. The book includes the first global assessment of the number, type and distribution of threatened freshwater fish species, discussing the features of freshwater fish biology and ecology that render so many species vulnerable to extinction. Introductory chapters on why freshwater fish are so sensitive to environmental change and disturbance lead into chapters providing detailed reviews of the key threatening processes and potential solutions. A concluding chapter summarises the key issues and looks to the future for opportunities and challenges for the conservation and management of freshwater fish.

Sklep: Libristo.pl

Conservation of Freshwater Fishes - 2854369987

432,41 zł

Conservation of Freshwater Fishes Cambridge University Press

Książki / Literatura obcojęzyczna

Freshwater fish are one of the most diverse groups of vertebrates, but are also amongst the most threatened. With contributions from leaders in the field, this is the first assessment of the global state of freshwater fish diversity, synthesising the opportunities, challenges and barriers facing the conservation of freshwater fish biodiversity. The book includes the first global assessment of the number, type and distribution of threatened freshwater fish species, discussing the features of freshwater fish biology and ecology that render so many species vulnerable to extinction. Introductory chapters on why freshwater fish are so sensitive to environmental change and disturbance lead into chapters providing detailed reviews of the key threatening processes and potential solutions. A concluding chapter summarises the key issues and looks to the future for opportunities and challenges for the conservation and management of freshwater fish.

Sklep: Libristo.pl

Britain's Freshwater Fishes - 2854290179

76,17 zł

Britain's Freshwater Fishes University Press Group Ltd

Książki / Literatura obcojęzyczna

Britain hosts a diversity of freshwater environments, from torrential hill streams and lowland rivers to lakes and reservoirs, ponds and canals, and ditches and estuaries. Britain's Freshwater Fishes covers more than 50 species of freshwater and brackish fish found in these waters. This beautifully illustrated guide features in-the-hand and in-the-water photographs throughout, and accessible and informative overviews of topics such as fish biology and life cycles. Detailed species accounts describe key identification features, with information on status, size and weight, habitat, ecology, and conservation. The book also includes a glossary and suggestions for further reading. This easy-to-use field guide will be invaluable to anyone interested in Britain's freshwater fish life, from naturalists and academics to students and anglers. Covers all of Britain's freshwater fishes Features beautiful photos throughout Includes detailed information on more than 50 species, the places they inhabit, and their roles in Britain's ecosystems Attractively designed and easy to use

Sklep: Libristo.pl

Fish Conservation - 2854327644

296,35 zł

Fish Conservation Island Press

Książki / Literatura obcojęzyczna

"Fish Conservation" offers, for the first time in a single volume, a readable reference with a global approach to marine and freshwater fish diversity and fishery resource issues. Gene Helfman brings together available knowledge on the decline and restoration of freshwater and marine fishes, providing ecologically sound answers to biodiversity declines as well as to fishery management problems at the subsistence, recreational, and commercial levels. Written in an engaging and accessible style, the book: considers the value of preserving aquatic biodiversity; offers an overview of imperiled fishes on a taxonomic and geographic basis; presents a synthesis of common characteristics of imperiled fishes and their habitats; details anthropogenic causes of decline; examines human exploitation issues; and, addresses ethical questions surrounding exploitation of fishes.The final chapter integrates topics and evaluates prospects for arresting declines, emphasizing the application of evolutionary and ecological principles in light of projected trends. Throughout, Helfman provides examples, explores case studies, and synthesizes available information from a broad taxonomic, habitat, and geographic range."Fish Conservation" summarizes the current state of knowledge about the degradation and restoration of diversity among fishes and the productivity of fishery resources, pointing out areas where progress has been made and where more needs to be done. Solutions focus on the application of ecological knowledge to solving practical problems, recognizing that effective biodiversity conservation depends on meeting human needs through management that focuses on long-term sustainability and an ecosystem perspective.

Sklep: Libristo.pl

Ecology, behaviour and conservation of the charrs, genus Salvelinus - 2854215733

1203,25 zł

Ecology, behaviour and conservation of the charrs, genus Salvelinus Springer Netherlands

Książki / Literatura obcojęzyczna

Salvelinus species are one of the most thoroughly studied groups of fishes. Many reasons explain this intense interest in charr biology. Charrs have a Holarctic distribution encompassing many Asian, North American, and European countries and occupy diverse marine and freshwater environments. Furthermore, the current distribution of charr includes areas that were directly influenced by climate and topographic change associated with the many Pleistocene glaciations. Undoubtedly, these conditions have promoted much of the tremendous morphological, ecological, and genetic variability and plasticity within Salvelinus species and they make charr very good models to study evolutionary processes 'in action'. Many charr species also exhibit demographic characteristics such as slow growth, late maturity, and life in extreme environments, that may increase their susceptibility to extinction from habitat changes and overexploitation, especially in depauperate aquatic habitats. This vulnerability makes understanding their biology of great relevance to biodiversity and conservation. Finally, charr are of great cultural, commercial, and recreational significance to many communities, and their intimate linkage with human societies has stimulated much interest in this enigmatic genus. This volume comprises a selection of papers presented at the fourth International Charr Symposium held in Trois-Rivičres (Québec, Canada), from 26 June to 1 July 2000. It includes 31 papers on ecological interactions and behaviour, trophic polymorphism, movement and migration, ecophysiology and evolutionary genetics, ecological parasitology, environmental stress and conservation. These studies cannot cover all recent developments in the ecology, behaviour and conservation of Salvelinus species, but collecting them into a special volume should bring attention to current research on this important g

Sklep: Libristo.pl

Michael Wigan - Salmon - 2854309016

44,92 zł

Michael Wigan - Salmon Harper Collins

Książki / Literatura obcojęzyczna

A fascinating journey into the extraordinary world of the king of fish: the salmon. This beautiful book explores the natural history of this most mysterious of fishes. Michael Wigan explores the life cycle of the salmon, weaving his own experiences and stories of salmon fishing and spotting into an evocative narrative. Crucially, he addresses the pressing matter of conservation issues and human management, which in the past has led to fast decreasing populations. History suggests it is the pressure of human development which has narrowed down the survival zone of the salmon, and the author questions whether we can go on altering natural systems and freshwater rivers in order to make space for human populations, and do so in sync with fish needs. In his unique and passionate voice, the author transports us to another world - his writing is beautifully evocative and his excitement for the salmon palpable throughout.

Sklep: Libristo.pl

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