Last edited by Nikole
Tuesday, May 12, 2020 | History

1 edition of Toxaphene interactions in estuarine ecosystems found in the catalog.

Toxaphene interactions in estuarine ecosystems

Robert J. Reimold

Toxaphene interactions in estuarine ecosystems

by Robert J. Reimold

  • 277 Want to read
  • 5 Currently reading

Published by Georgia Marine Science Center, University System of Georgia in Skidaway Island .
Written in English

    Subjects:
  • Toxaphene.,
  • Estuarine ecology -- Georgia.,
  • Estuarine pollution -- Georgia.,
  • Estuarine animals -- Effect of pollution on -- Georgia.,
  • Estuarine plants -- Effect of pollution on -- Georgia.

  • Edition Notes

    Statementby Robert J. Reimold.
    SeriesGeorgia Marine Science Center. Technical report series -- no. 74-6., Technical report series (Georgia Marine Science Center) -- no. 74-6.
    The Physical Object
    Pagination80 leaves :
    Number of Pages80
    ID Numbers
    Open LibraryOL16107867M

    Chemosphere, Vol, No, pp , /93 $ + Printed in Great Britain Pergamon Press Ltd. TOXAPHENE: ANALYTICAL CHEMISTRY Derek C.G. Muir" Freshwater Institute, Dept. of Fisheries and Oceans, Winnipeg MB Canada R3T 2N6 and Jacob de Boer Netherlands Institute for Fisheries Research, the Netherlands ABSTRACT The Cited by: In this chapter, we evaluate the possibilities and limitations of such diagenetic models as ecological tools, i.e. to assess the interactions between microbial and macrofaunal components. Despite the strong biological abstraction, diagenetic models can be considered as rudimentary ecosystems models, because the metabolism of bacteria and the Cited by: 9.

    Availability: Kosubová, P. et al. () Toxaphene in the Czech Aquatic and Terrestrial Ecosystems. Persistent Toxic Substances Contamination of the European Region as a reflection of results of the GEF/UNEP Regional Based Assessment of Persistent Toxic Substances (RBA PTS) in Europe, the implementation of the Stockholm Convention and 'Community Strategy for . This method is used to determine the concentrations of various toxaphene congeners (see table below) and technical toxaphene (along with the possible addition of other toxaphene congeners and compounds from Method ) in extracts from solid and liquid matrices, using fused-silica, open-tubular capillary columns with negative ion chemical ionization mass spectrometry .

      Toxaphene – a pesticide with long-term consequences. Toxaphene is a mixture of more than halogenated compounds. The pesticide has been banned in Western countries since the early s, while the Eastern Bloc continued to use it up until the s. Toxaphene interactions in estuarine ecosystems. Technical Report Series No. Georgia Marine Science Center, University System of Georgia, Skidaway Island, GA. Reimold, R.J. and C.J. Durant. Toxaphene content of estuarine fauna and flora before, during, and after dredging toxaphene-contaminated sediments. Pestic. Monit.


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Toxaphene interactions in estuarine ecosystems by Robert J. Reimold Download PDF EPUB FB2

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Purchase Estuarine Interactions - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1. Toxaphene Hazard Summary Toxaphene was a widely used pesticide on cotton, other crops, and in livestock and poultry. Inmost of its uses were cancelled and inall uses were cancelled in the United States.

The major effect of toxaphene is central nervous system (CNS) stimulation, which results in convulsive seizures. For the inhabitants of many of the world's major towns and cities, estuaries provide their first and nearest glimpse of a natural habitat.

Despite the attempts of man to pollute or reclaim it, the estuarine ecosystem continues to provide a fascinating insight into a natural world where energy is transformed from sunlight into plant material, and then through the steps of a food chain is Cited by:   The organochlorine insecticide, toxaphene, was tested in flow-through bioassays to evaluate its toxicity to estuarine organisms.

The organisms tested and their respective hr LC5Os (based on measured concentrations) are: pink shrimp (Penaeus duorarum), Μg/L; grass shrimp (Palaemonetes pugio), Μg/L; sheepshead minnow (Cyprinodon variegatus), Cited by: Residues of toxaphene decrease in estuarine fish after removal of contaminated sediments Article (PDF Available) in Estuaries and Coasts 28(5) January with 54 Reads.

A literature review was made concerning the environmental impact of organochlorine pesticides on estuarine biota. integrated field and laboratory studies will be needed if the actual environmental effects of pesticides on estuarine ecosystems are to be determined.

Reimold, R J. Toxaphene interactions in estuarine ecosystems Cited by:   Toxaphene is an insecticide which is currently banned for all uses in the United States. Breathing, eating, or drinking high levels of toxaphene could damage the lungs, nervous system, and kidneys, and can even cause death.

Toxaphene has been found in at least 58 of the 1, National Priorities List sites identified by the Environmental Protection Agency (EPA). Aquatic Ecosystems Aquatic ecosystems refer to plant and animal communities occurring in water bodies.

Aquatic ecosystems are classified into two subgroups: 1) Freshwater ecosystems, such as rivers, lakes and ponds; 2) Marine ecosystems, such as oceans, estuary and mangroves. Aquatic ecosystems are classified on the basis of salinity into the following.

The distribution and method of movement of a hydrophobic pesticide through anaerobic saline marsh soil profiles was investigated. In the study area the flooding tidal water contained low concentrations of toxaphene.

The compound accumulated only slightly in the marsh soils not flooded daily by the ide concentrations in the marsh soils generally Cited by: 9. sediment-associated toxaphene in freshwater and marine ecosystems (Environment CanadaAppendixes Ia and Ib).

Studies on field-collected sediments that T Table 1. Interim sediment quality guidelines (ISQGs) for toxaphene (PCCs) (µgkg ­1 dw). Freshwater Marine/estuarine ISQG * * * Provisional 1% TOC; adoption of the chronic. Species Interactions.

Predator-prey: the process by which an individual of one species, a predator, hunts, captures, kills, and consumes an individual of another species, the prey an example of predation in the Chesapeake Bay ecosystem is Raptors (Osprey) eating striped bass.

EPA/ September THE ECOLOGICAL IMPACT OF SYNTHETIC ORGANIC COMPOUNDS ON ESTUARINE ECOSYSTEMS by Jeffrey L. Lincer Marita E. Haynes Marian L. Klein Mote Marine Laboratory Sarasota, Florida Project Officer Cynthia M. Herndon Environmental Research Laboratory Gulf Breeze, Florida U.S. Ecosystems. An ecosystem is the interactions between living and non-living things in a particular environment.

An ecosystem is a place where these interactions occur, such as a rotting log, or a forest. All organisms and parts within this place are interacting all the time and adjustments must occur if the organism is to survive.

Final Report: Health Indicators for Salt Marsh Estuaries of the South Atlantic Bight EPA Grant Number: R Title: Health Indicators for Salt Marsh Estuaries of the South Atlantic Bight Investigators: Alberts, James J., Kneib, Ronald T., Newell, Steven Y., Pennings, Steven Institution: University of Georgia EPA Project Officer: Packard, Benjamin H.

Interactions In Ecosystems 1. (b) INTERACTIONS IN ECOSYSTEMS 1. Biotic Interactions (Predation, Grazing, Competition) 2. Symbiotic Relationships (Parasitism, Commensalism, Mutualism) 3. Costs,Benefits & Consequences of these interactions (Interactions between species, Interactions with the environment).

study Biophysical Interactions or Ecosystems at Risk. Canoe Exploration A canoe trip along the Cowan Creek allows the students to venture further into the estuarine ecosystem and enables the them to compare studies areas to that which have less human impact.

Night Biodiversity Survey During a night walk, students will learn about. New Books Since June 3rd, This list is updated every Thursday. Titles are arranged in call number order.

To view previous lists, see our archives page. Toxaphene, a dense, yellowish, semisolid mixture of organic compounds made by chlorination of camphene (a hydrocarbon obtained from turpentine) and used as an ene, which contains 67–69 percent chlorine, is insoluble in water but highly soluble in several organic solvents; under the influence of light, heat, or strong alkalies, it decomposes, forming.

Organism Interactions in Ecosystems In addition to abiotic (non-living) factors, there are biotic factors that affect an organism’s survival and an ecosystem’s overall populations. Biotic factors are the living factors in an environment and may include food sources and other Size: KB.

Toxaphene. An ATSDR Factsheet. HIGHLIGHTS: Toxaphene is an insecticide which is currently banned for all uses in the United States.

Breathing, eating, or drinking high levels of toxaphene could damage the lungs, nervous system, and kidneys, and can even cause death. Toxaphene has been found in at least 58 of the 1, National Priorities List.• estuarine populations and communities are structured both by strong abiotic influences (e.g., salinity gradients) and biotic interactions (e.g., competition, predation, facilitation) • a variety of human actions have caused a large fraction of estuaries to be destroyed (e.g., infilling) or damaged (e.g., pollution).Water from river can be a potential source of toxaphene to estuarine systems.

Raff and Hites () estimated up to kg the amount of toxaphene released in into the Gulf of .