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Author: Jean-Claude Amiard
Publisher: John Wiley & Sons
ISBN: 1786307790
Category : Nature
Languages : en
Pages : 340
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Book Description
The marine environment, in addition to a not insignificant background of “natural” radioactivity, has continued to receive inputs of radionuclides directly or indirectly through atomic fallout, discharges from the nuclear industry or from nuclear accidents. After their introduction, the fate of these radionuclides is complex with modifications of physicochemical forms, dispersion in marine water masses and adsorption onto sedimentary particles. Marine organisms then bioaccumulate these radionuclides to a greater or lesser extent, dispersing them via their burrowing activities, horizontal and vertical migrations or through food webs. All of these phenomena lead to very variable radioactive contamination, depending on location and the nature of the marine environments concerned, and consequently, to very different doses of irradiation to marine organisms. The harmful effects of ionizing radiation on living marine organisms are felt at varying levels of biological organization from the molecule to the ecosystem, passing through the cell, the organ, the individual and the population. In the end, the radioactive risk for marine organisms can decline according to several situations, which can be normal, programmed or accidental.
Author: Jean-Claude Amiard
Publisher: John Wiley & Sons
ISBN: 1786307790
Category : Nature
Languages : en
Pages : 340
Get Book
Book Description
The marine environment, in addition to a not insignificant background of “natural” radioactivity, has continued to receive inputs of radionuclides directly or indirectly through atomic fallout, discharges from the nuclear industry or from nuclear accidents. After their introduction, the fate of these radionuclides is complex with modifications of physicochemical forms, dispersion in marine water masses and adsorption onto sedimentary particles. Marine organisms then bioaccumulate these radionuclides to a greater or lesser extent, dispersing them via their burrowing activities, horizontal and vertical migrations or through food webs. All of these phenomena lead to very variable radioactive contamination, depending on location and the nature of the marine environments concerned, and consequently, to very different doses of irradiation to marine organisms. The harmful effects of ionizing radiation on living marine organisms are felt at varying levels of biological organization from the molecule to the ecosystem, passing through the cell, the organ, the individual and the population. In the end, the radioactive risk for marine organisms can decline according to several situations, which can be normal, programmed or accidental.
Author: Sigurður Emil Pálsson
Publisher:
ISBN: 9788778930569
Category :
Languages : en
Pages : 132
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Book Description
Author: Sigurður Emil Pálsson
Publisher:
ISBN: 9788778930248
Category :
Languages : en
Pages : 82
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Book Description
Author: Dmitry G. Matishov
Publisher: Springer Science & Business Media
ISBN: 9783540201977
Category : Nature
Languages : en
Pages : 374
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Book Description
This reference explores oceanographic and biological conditions involved in the transfer and accumulation of radionuclides in marine sediment and biota of the Northern European seas. Much of the content synthesizes decades of work by the Murmansk Marine Biological Institute. This forms the basis of a new methodological and theoretical framework describing radionuclide bioaccumulation by marine invertebrate and vertebrate animals, with special attention to marine food webs leading to humans.
Author: Nicholas Evans
Publisher: Royal Society of Chemistry
ISBN: 1788017358
Category : Science
Languages : en
Pages : 218
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Book Description
Anthropogenic radionuclides have been introduced into the environment by incidents such as nuclear weapon tests, accidents in nuclear power plants, transport accidents and accidental or authorised discharges from nuclear facilities. Scientists need accurate analysis of these radionuclides in order to estimate the risk to the public from released radioactivity. This book is a snapshot of the work of leading scientists from across the globe on environmental radiochemistry and radioecology, nuclear forensics and radiation detection, radioanalytical techniques and nuclear industry applications. The research contributions were first presented at the 13th International Symposium on Nuclear and Environmental Radiochemical Analysis in September 2018. This essential work provides a key reference for graduates and professionals who work across fields involving analytical chemistry, radiochemistry, environmental science and technology, and waste disposal.
Author: Jöel Fleurence
Publisher: John Wiley & Sons
ISBN: 1394284306
Category : Science
Languages : en
Pages : 179
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Book Description
Developed over several decades, the concept of aquatic biotechnology refers to aquatic organisms, be they of animal or plant origin. It involves transforming biological resources into products for human and animal consumption. The emergence of transgenic fish (such as AquAdvantage salmon) and their use as foodstuffs has reopened the societal debate on the place of genetically modified organisms in our diet. This new aquaculture based on genetic engineering is known as the "blue revolution." However, "blue" biotechnology is not limited to the production of genetically modified organisms; it also involves the use of biotechnological processes, such as enzymatic hydrolysis and fermentation, on aquatic resources. Aquatic Biotechnologies presents an overview of these biotechnological processes (genetic, enzymatic and fermentative engineering) as applied to aquatic organisms and their production methods (traditional aquaculture and aquaculture producing genetically modified organisms).
Author: Denis Salles
Publisher: John Wiley & Sons
ISBN: 1786307103
Category : Science
Languages : en
Pages : 244
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Book Description
At the heart of the globalization of trade and of economies, estuarine cities are at the forefront of accelerating global change. They must confront the tensions generated by their demographic and socio-economic attractions and their ecological vulnerability linked to their location in trade flows, downstream of rivers and at the interface between land and sea. Using the examples of the estuarine cities of the Gironde, the Loire and the Seine and their specific challenges, such as climate change, flood risk, biodiversity, port flows and urban planning, this book analyzes their emerging trajectories guided by proactive governance of global change.
Author: Patrick Matagne
Publisher: John Wiley & Sons
ISBN: 1394276680
Category : Science
Languages : en
Pages : 356
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Book Description
This book presents a biography of the Danish botanist Eugen Warming. As the author of a treatise on ecology that brought him international recognition, he was able to inspire the first generation of 20th-century European and American ecologists. His innovative approach to nature and his Arctic and tropical missions heralded the birth of a new science and an ecological awareness. As a professor at several Scandinavian universities during a period of intense debate and controversy over evolutionary theories, Eugen Warming vigorously asserted his convictions. Birth of Scientific Ecology presents the image of a man of knowledge and power, recognized by his contemporaries as a founder of ecology and a player in the ecological project of the Kingdom of Denmark at a time when the empires were clashing.
Author: National Research Council (U.S.). Panel on Radioactivity in the Marine Environment
Publisher: National Academies
ISBN:
Category : Science
Languages : en
Pages : 296
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Book Description
Author: Seminar on Marine Radioecology
Publisher:
ISBN:
Category : Marine radioecology
Languages : en
Pages : 424
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Book Description
