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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 146
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 146
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Book Description
Author: R. Poulin
Publisher: Cambridge University Press
ISBN: 9780521534123
Category : Medical
Languages : en
Pages : 222
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Book Description
Synthesises the available key information on the biology of marine parasites and their hosts.
Author: Hartford Williams
Publisher: CRC Press
ISBN: 9780203489888
Category : Science
Languages : en
Pages : 618
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Book Description
Fish are a unique group which harbour some 30,000 species of helminths that do not occur in other vertebrates. This book deals specifically with parasitic worms of fish. It covers every aspect of their biology including identification, life-cycles, hostparasite relationships and ecology. It discusses approaches to studying parasitic worm infections, preference of species for particular host species, preference for dwelling in certain organs and tissues, biogeography, seasonality of infections and how parasites have evolved in parallel with their hosts. The book concludes with discussions of fish worms causing diseases in nature and in fish-farms.
Author: Peter G.H. Evans
Publisher: Springer Science & Business Media
ISBN: 1461505291
Category : Science
Languages : en
Pages : 629
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Book Description
Interest in marine mammals has increased dramatically in the last few decades, as evidenced by the number of books, scientific papers, and conferences devoted to these animals. Nowadays, a conference on marine mammals can attract between one and two thousand scientists from around the world. This upsurge of interest has resulted in a body of knowledge which, in many cases, has identified major conservation problems facing particular species. At the same time, this knowledge and the associated activities of environmental organisations have served to introduce marine mammals to a receptive public, to the extent that they are now perceived by many as the living icons of biodiversity conservation. Much of the impetus for the current interest in marine mammal conservation comes from "Save the Whale" campaigns started in the 1960s by environmental groups around the world, in response to declining whale populations after over-exploitation by humans. This public pressure led to an international moratorium on whaling recommended in 1972 by the United Nations Conference on the Human Environment in Stockholm, Sweden, and eventually adopted by the International Whaling Commission ten years later. This moratorium largely holds sway to this day, and further protective measures have included the delimitation of extensive areas of the Indian Ocean (1979) and Southern Ocean (1994) as whale sanctuaries.
Author: Sven Klimpel
Publisher: Springer
ISBN: 3319463438
Category : Medical
Languages : en
Pages : 235
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Book Description
The Southern Oceans including Antarctic regions are peculiar and very sensitive water biotopes, where animal life and species interrelations are only poorly investigated. Especially the influence of parasites on their host species needs intensive consideration in times of global warming and worldwide pollution. Both factors may influence the finely balanced interrelationships between parasites and endangered hosts especially in specialized regions such as Antarctica. Before this background the present book offers a broad spectrum of important parasite-host interrelations in times of ecosystem changes written by experienced and renown international specialists.
Author: Jon A. Gibson
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 276
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Book Description
Author: United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 606
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 208
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Book Description
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 22
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Book Description
Author: Assessment and Information Services Center (U.S.). Library and Information Services Division
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 606
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Book Description
