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Author: Steven Degraer
Publisher:
ISBN: 9789081008167
Category : Benthic animals
Languages : en
Pages : 163
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Book Description
Author: Steven Degraer
Publisher:
ISBN: 9789081008167
Category : Benthic animals
Languages : en
Pages : 163
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Book Description
Author: Jan-Bart Calewaert
Publisher: Academia Press
ISBN: 9789038210858
Category : Nature
Languages : en
Pages : 344
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Book Description
This book is the product of a research program that provided the opportunity for natural scientists, socio-economic scientists and lawyers to gather and discuss the North Sea ecosystem.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Angela Carpenter
Publisher: Springer
ISBN: 3319239015
Category : Science
Languages : en
Pages : 321
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Book Description
This volume offers a review of measures taken at different levels to prevent oil inputs to the North Sea from sources such as shipping and oil installations. A range of data from satellites, remote sensing, aerial surveillance, in-situ monitoring, oil spill sampling and beached bird surveys presents a comprehensive portrait of trends in oil pollution over many years. Topics include Bonn Agreement-based actions to eliminate illegal and accidental pollution from ships, OSPAR monitoring of oil installations, EMSA CleanSeaNet activities, and an internationally approved common standard for oil spills presented by the Bonn-OSINet. A chapter on the role of the IMO in preventing oil pollution from ships provides an international context, while others discuss efforts being made at the national level. A decadal review of the state of the North Sea prepared by OSPAR supports the view that there has been a significant reduction of oil inputs to the sea. This thorough review addresses national and international agencies and government bodies, as well as policymakers and practitioners in the fields of shipping, ports and terminals, oil extraction and marine management. Further, it provides researchers with essential reference material on tools and techniques for monitoring oil pollution and offers a valuable resource for undergraduate and post-graduate students in the field of marine oil pollution.
Author: John M. Lawrence
Publisher: Academic Press
ISBN: 012819569X
Category : Technology & Engineering
Languages : en
Pages : 736
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Book Description
Sea Urchins: Biology and Ecology, Fourth Edition, Volume 43 expands its coverage to include the entire class of Echinoidea, making this new edition an authoritative reference of the entire class of species. This is a valuable resource that will help readers gain a deep understanding of the basic characteristics of sea urchins, the basis of the great variation that exists in sea urchins, and how sea urchins are important components of marine ecosystems. Updated coverage includes sections on reproduction, metabolism, endocrinology, larval ecology, growth, digestion, carotenoids and disease. - Includes pertinent tables and graphs within chapters to visually summarize information - Provides case studies with research applications to provide potential solutions - Includes the entire class of Echinoidea and the effect of climate change on the biology and ecology of the species
Author: N. J. Maciolek
Publisher: Magnolia Press
ISBN: 186977373X
Category : Polychaeta
Languages : en
Pages : 581
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Book Description
Author: T. J. Pandian
Publisher: CRC Press
ISBN: 0429584482
Category : Medical
Languages : en
Pages : 293
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Book Description
This book is a concise informative elucidation of all aspects of reproduction and development in annelids covering from arenicola to tubifex. Annelids flourish between 4,900 m depth to 2,000 m altitude; some of them occur in unusual habitats like hydrothermal vents and subterranean aquatic system (stigobionts). A few have no gut and acquire adequate nutrients through osmotrophism and/or engaging symbiotic microbes. In the absence of exoskeleton to escape predation, the 17,000 speciose annelids have explored bewildering modes of reproduction; not surprisingly, 42–47% of them are brooders. With 13,000 species, polychaetes are gonochores but some 207 species of them are hermaphrodites. Clitellates are all hermaphrodites; of them, 76 species are parthenogens, of which 56 are earthworms. Regenerative potency of annelids ranges from an organ to an entire worm from a single ‘seminal’ segment. The head, tail and both together can be regenerated 21, 42 and 20 times, respectively. However, the potency is limited to ~1% of polychaetes and Heterogamatic sex determination is reported to occur only in six polychaete species, although karyotype is known for 83 annelid species. In temperate polychaetes, a dozen neuroendocrines, arising mostly from the ‘brain’ regulates reproductive cycle. A complete chapter devoted to vermiculture, (i) recognizes the fast-growing candidate species, (ii) distinguishes 'layers' from 'brooders', (iii) indicates that the harvest of oligochaetes may reduce the input of nitrogenous fertilizer in the ricefield, and (iv) explores the scope for increasing wealth from waste.
Author: Peter Harris
Publisher: Elsevier
ISBN: 0123851408
Category : Science
Languages : en
Pages : 947
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Book Description
Annotation This book provides a synthesis of seabed geomorphology and benthic habitats based on the most recent, up-to-date information. Case studies from around the world are presented.
Author: John T. Anderson
Publisher:
ISBN:
Category : Benthos
Languages : en
Pages : 270
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Book Description
Author: M. J. de Kluijver
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
