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Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation
Publisher:
ISBN:
Category : Fishery law and legislation
Languages : en
Pages : 136
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation
Publisher:
ISBN:
Category : Fishery law and legislation
Languages : en
Pages : 136
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Book Description
Author: United States. Congress. House. Merchant Marine and Fisheries
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Author: Michael J. Dadswell
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 584
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Book Description
Author: L. A. Norris
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 104
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Book Description
Author: P.H. Nienhuis
Publisher: Springer Science & Business Media
ISBN: 9401713359
Category : Science
Languages : en
Pages : 239
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Book Description
This work presents the state of the art of aquatic and semi-aquatic ecological restoration projects in The Netherlands. Starting from the conceptual basis of restoration ecology, the successes and failures of hundreds of restoration projects are described. Numerous successful projects are mentioned. In general ecological restoration endeavours greatly benefit from the progressive experience achieved in the course of the years. Failures mainly occur through insufficient application of physical, chemical or ecological principles. Spontaneous colonization by plants and animals, following habitat reconstruction, is preferred. However, sometimes the re-introduction of keystone species (e.g. eelgrass, salmon, beaver) is necessary in case the potential habitats are isolated or fragmented, or if a seed bank is lacking, thus not allowing viable populations to develop. Re-introducing traditional management techniques (e.g. mowing without fertilization, low intensity grazing) is important to rehabilitate the semi-natural and cultural landscapes that are so characteristic for The Netherlands.
Author: Robert Montgomery McDowall
Publisher: Timber Press (OR)
ISBN:
Category : Nature
Languages : en
Pages : 330
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Book Description
This book describes the fish which exhibit diadromy, their life history strategies and the implications for fisheries. The book should therefore represent an important volume for workers in fish biology, animal physiology and behaviour, and fisheries.
Author: Pedro Morais
Publisher: CRC Press
ISBN: 1498718744
Category : Science
Languages : en
Pages : 300
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Book Description
Since the publication of The Migrations of Fish by Prof. Alexander Meek in 1916, a number of books have been published on this subject. However, most of these books only cover one type of migratory mechanisms. This book aims to overcome this drawback by presenting a comprehensive coverage of all life history strategies-potadromy, anadromy, catadrom
Author: John McPhee
Publisher: Farrar, Straus and Giroux
ISBN: 0374706344
Category : Nature
Languages : en
Pages : 370
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Book Description
John McPhee's twenty-sixth book is a braid of personal history, natural history, and American history, in descending order of volume. Each spring, American shad-Alosa sapidissima-leave the ocean in hundreds of thousands and run heroic distances upriver to spawn. McPhee--a shad fisherman himself--recounts the shad's cameo role in the lives of George Washington and Henry David Thoreau. He fishes with and visits the laboratories of famous ichthyologists; he takes instruction in the making of shad darts from a master of the art; and he cooks shad in a variety of ways, delectably explained at the end of the book. Mostly, though, he goes fishing for shad in various North American rivers, and he "fishes the same way he writes books, avidly and intensely. He wants to know everything about the fish he's after--its history, its habits, its place in the cosmos" (Bill Pride, The Denver Post). His adventures in pursuit of shad occasion the kind of writing--expert and ardent--at which he has no equal.
Author: Daniel C. Dauwalter
Publisher:
ISBN: 9781934874578
Category : Freshwater fishes
Languages : en
Pages : 693
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Book Description
Author: Stephen D. McCormick
Publisher: Academic Press
ISBN: 0123972329
Category : Technology & Engineering
Languages : en
Pages : 582
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Book Description
The need for ion and water homeostasis is common to all life. For fish, ion and water homeostasis is an especially important challenge because they live in direct contact with water and because of the large variation in the salt content of natural waters (varying by over 5 orders of magnitude). Most fish are stenohaline and are unable to move between freshwater and seawater. Remarkably, some fishes are capable of life in both freshwater and seawater. These euryhaline fishes constitute an estimated 3 to 5% of all fish species. Euryhaline fishes represent some of the most iconic and interesting of all fish species, from salmon and sturgeon that make epic migrations to intertidal mudskippers that contend with daily salinity changes. With the advent of global climate change and increasing sea levels, understanding the environmental physiology of euryhaline species is critical for environmental management and any mitigative measures. This volume will provide the first integrative review of euryhalinity in fish. There is no other book that focuses on fish that have the capacity to move between freshwater and seawater. The different challenges of salt and water balance in different habitats have led to different physiological controls and regulation, which heretofore has not been reviewed in a single volume. - Collects and synthesizes the literature covering the state of knowledge of the physiology of euryhaline fish - Provides the foundational information needed for researchers from a variety of fields, including fish physiology, conservation and evolutionary biology, genomics, ecology, ecotoxicology, and comparative physiology - All authors are the leading researchers and emerging leaders in their fields
