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Author: United States. Congress. House. Merchant Marine and Fisheries
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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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: 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: L. A. Norris
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 104
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Book Description
Author: Lisa Mighetto
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 302
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Book Description
Author: United States. Congress. House. Merchant Marine and Fisheries
Publisher:
ISBN:
Category :
Languages : en
Pages : 228
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Book Description
Author: BLM Anadromous Fish Habitat Team
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 36
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Book Description
"Describes anadromous fish resources on public lands, summarizes current management, and outlines a twelve year program (FYs 1989-2000) to maintain, protect, and enhance anadromous habitats through specific management actions and habitat improvement projects"--Page 3.
Author: Robert Montgomery McDowall
Publisher: Timber Press (OR)
ISBN:
Category : Diadromous fishes
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: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 120
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Book Description
Committee Serial No. 88-22.
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.
