COSEWIC Assessment and Update Status Report on the Spring Cisco, Coregonus Sp., in Canada PDF Download
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Author: Audrey Sanfaçon
Publisher:
ISBN: 9781100129389
Category : Ciscoes
Languages : en
Pages :
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Author: Audrey Sanfaçon
Publisher:
ISBN: 9781100129389
Category : Ciscoes
Languages : en
Pages :
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Book Description
Author: COSEWIC Secretariat (Canada)
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 50
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Book Description
Author:
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 682
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Book Description
Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.
Author: Walter Koelz
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 382
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Book Description
Author: Stanford Environmental Law Society
Publisher: Stanford Environmental Law Soc
ISBN: 9780804738439
Category : Law
Languages : en
Pages : 296
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Book Description
This handbook is a guide to the federal Endangered Species Act, the primary U.S. law aimed at protecting species of animals and plants from human threats to their survival. It is intended for lawyers, government agency employees, students, community activists, businesspeople, and any citizen who wants to understand the Act--its history, provisions, accomplishments, and failures.
Author: Margaret F. Docker
Publisher: Springer
ISBN: 9402416846
Category : Science
Languages : en
Pages : 577
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Book Description
This book, published in two volumes, provides the most comprehensive review of lamprey biology since Hardisty and Potter’s “The Biology of Lampreys” published more than 30 years ago. This second volume offers a synthesis of topics related to the lamprey gonad (e.g., lamprey sex ratios, sex determination and sex differentiation, sexual maturation, and sex steroids), the artifical propagation of lampreys, post-metamorphic feeding and the evolution of alternative feeding and migratory types, the history and status of sea lamprey control in the Laurentian Great Lakes and Lake Champlain, and an overview of contributions of lamprey developmental studies for understanding vertebrate evolution.
Author: Gene S. Helfman
Publisher: Island Press
ISBN: 9781559635967
Category : Science
Languages : en
Pages : 0
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Book Description
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 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.
Author: Brian W. Coad
Publisher: University of Toronto Press
ISBN: 1442647108
Category : Nature
Languages : en
Pages : 633
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Book Description
Marine Fishes of Arctic Canada is an accessible and up-to-date study on the diverse marine fish population existing in Canadian waters.
Author:
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 120
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Book Description
Author:
Publisher: Nature Alberta
ISBN: 9780969613497
Category : Nature
Languages : en
Pages : 648
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Book Description
