Last edited by Vuhn
Monday, May 4, 2020 | History

2 edition of Mercury as a factor in the fisheries environment found in the catalog.

Mercury as a factor in the fisheries environment

Robert C Stiefel

Mercury as a factor in the fisheries environment

by Robert C Stiefel

  • 6 Want to read
  • 3 Currently reading

Published by Ohio Dept. of Natural Resources, Division of Wildlife in [Columbus] .
Written in English

    Subjects:
  • Fisheries -- Ohio,
  • Mercury -- Environmental aspects

  • The Physical Object
    Pagination45 p. :
    Number of Pages45
    ID Numbers
    Open LibraryOL14601790M

      Here’s the mystery: Most of the mercury that enters the ocean from sources on land or air is just the element mercury, a form that poses little danger because living things can get rid of it quickly. The kind of mercury that accumulates to toxic levels in fish is called monomethylmercury, or simply methylmercury, because it has a methyl group. Mercury in the Environment follows the process of mercury cycling through the atmosphere, through terrestrial and aquatic food webs, and through human populations to develop a comprehensive perspective on this important environmental problem. This timely reference also provides recommendations on mercury remediation, risk communication.

    A fishery is an area with an associated fish or aquatic population which is harvested for its commercial value. Fisheries can be marine or can also be wild or farmed.. Wild fisheries are sometimes called capture fisheries. The aquatic life they support is not controlled in any meaningful way and needs to be "captured" or fisheries exist primarily in the . Marine pollution is the introduction of substances or energy from humans into the marine environment resulting in such deleterious effects as harm to living resources, hazards to human health, hindrance to marine activities including fishing, impairment of quality for use of seawater, and reduction of amenities.

    The authors point to the public health implications of mercury concentrations in saltwater fish. "The exposure rate of mercury in the U.S. is quite high," Hsu-Kim explained. "A recent epidemiological survey found that up to 8 percent of women had mercury levels higher than national guidelines. Mercury compounds can be toxic at low levels in the environment. The characteristics of mercury that make it a health and environmental problem are its toxicity and persistence in the environment, and its ability to accumulate and bioconcentrate as methyl mercury in fish and fish-eating predators such as large fish or loons (see Q).Mercury also moves over long .


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Mercury as a factor in the fisheries environment by Robert C Stiefel Download PDF EPUB FB2

Mercury as a factor in the fisheries environment. [Columbus]: Ohio Dept. of Natural Resources, Division of Wildlife, [ or ] (OCoLC) Material Type: Government publication, State or province government publication: Document Type: Book: All Authors / Contributors: Robert C Stiefel.

One important factor is how much mercury is converted to methylmercury, and vice-versa, particularly by some bacteria in the aquatic environment. Consequently, the extent of bioaccumulation and biomagnification of mercury in fish remain difficult to predict in.

A very important factor in the impacts of mercury to the environment is its ability to build up in organisms and up along the food chain. Although all forms of mercury can accumulate to some degree, methylmercury is absorbed and accumulates to a greater extent than other forms.

Inorganic mercury can also be absorbed, but is generally taken up at a slower rate and with. Mercury exists naturally and as a man-made contaminant. The release of processed mercury can lead to a progressive increase in the amount of atmospheric mercury, which enters the atmospheric-soil-water distribution cycles where it can remain in circulation for years.

Mercury poisoning is the result of exposure to mercury or its compounds resulting in various toxic Cited by: 2. The final version of this book has not been published yet.

You can pre-order a copy of the book and we will send it to you when it becomes available. We will not charge you for the book until it ships. Pricing for a pre-ordered book is estimated and subject to change. All backorders will be released at the final established price.

Mercury is one of the most hazardous contaminants that may be present in the aquatic environment, but its ecological and toxicological effects are strongly dependent on the chemical species present. Species distribution and transformation processes in natural aquatic systems are controlled by various physical, chemical, and biological by: E S Thompson-Roberts and F R Pick, Total mercury in the water and sediments of St.

Lawrence River wetlands compared with inland wetlands of Temagami - North Bay and Muskoka-Haliburton, Canadian Journal of Fisheries and Aquatic Sciences, 57, S1, (), (). Human activities have increased the global circulation of mercury, a potent neurotoxin.

Mercury can be converted into methylmercury, which biomagnifies along aquatic food chains and leads to high Cited by: The book also describes the impact of PCBs and pesticides on the estuarine environment; and how more specialized and less persistent chemicals affect the development and reproduction of nontarget organisms such as Crustacea.

This book will be a valuable resource for marine scientists, ecologists, and students. Mercury is a highly toxic element that is found both naturally and as an introduced contaminant in the environment.

Although its potential for toxicity in highly contaminated areas such as Minamata Bay, Japan, in the 's and 's, is well documented, research has shown that mercury can be a threat to the health of people and wildlife in many environments that are not obviously. Federal actions on mercury.

Regulations, consultations, standards and guidelines. Scientific background, study of mercury in the ecosystem. Environment and health concerns.

Sources, impact and health concerns resulting from biomagnification. Products that contain mercury. Lamps, thermometers, batteries and others. Total mercury levels in marine fish sampled from the fish landing ports and the wholesale markets in Peninsular Malaysia are summarized in Table 3.

Mercury levels of 46 marine fish species ranged from to mg/kg of dry weight. Significant variations of mercury levels exist in different species (χ KW 2 = ; p Cited by: MERCURY IN THE ENVIRONMENT June The purpose of Pollution Probe’s Mercury Primeris to provide an overview of the presence and effects of mercury in the environment and its impacts on human primer iden-tifieswhere mercury is being used and released,the risks asso-ciatedwith exposure to mercury,and ways to help prevent.

Published sincethis quarterly electronic-only journal presents authoritative literature reviews on a wide range of environmental science and associated environmental studies topics.»More about the journal’s scope and Editorial Board. An increasing number of fishes are being listed for protection under the Species at Risk Act.

The environmental impact of fishing includes issues such as the availability of fish, overfishing, fisheries, and fisheries management; as well as the impact of industrial fishing on other elements of the environment, such as issues are part of marine conservation, and are addressed in fisheries science programs.

According to a FAO report, global production of. MERCURY IN THE ENVIRONMENT SUMMARY Mercury, commonly called quicksilver, is one of the elements that make up the planet earth. In its elemental state at the earth's surface it is a silvery liquid metal, approximately /2 times as heavy.

Mercury levels in the aquatic environment of North America have been increasing, raising the possibility that this highly toxic heavy metal might alter fish populations.

About the Journal. ISSN (print): ; ISSN (electronic): Scope. Published sincethis quarterly e-only journal presents authoritative literature reviews on a wide range of environmental science and associated environmental studies topics, with emphasis on the effects on and response of both natural and manmade ecosystems to anthropogenic stress.

Mercury is one of the most hazardous contaminants that may be present in the aquatic environment, but its ecological and toxicological effects are strongly dependent on the chemical species present. @article{osti_, title = {Mercury in the environment: the human element}, author = {Wallace, R A and Fulkerson, W and Shults, W D and Lyon, W S}, abstractNote = {This review is directed toward an understanding of the uses, sources, distribution, and toxic effects of mercury, and the main emphasis is on man as the distributor and recipient of mercury in the environment.

The results are published in the journal Science of The Total Environment. Mercury accumulation in fish poses well-known health risks to humans and wildlife, but fish mercury levels are highly.Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF.

Visit to get more information about this book, to buy it in print, or to download it as a free PDF.Recoveries of mercury from spiked fish samples were 92–%. The inter-laboratory calibration study, with the Ministry of Agriculture, Food and Fisheries laboratory at Burnham on Crouch, Essex, centred on 21 samples from three marine and one freshwater fish species.

The 21 samples con-tained varying amounts of fat or oil and muscle mercury con.