Full TGIF Record # 169655
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DOI:10.1002/ps.2780270408
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1002/ps.2780270408/pdf
    Last checked: 09/28/2010
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    Access conditions: Item is within a limited access website
Publication Type:
i
Refereed
Author(s):Hill, Ian R.
Author Affiliation:ICI Agrochemicals, Jealotts Hill Research Station, Bracknell, Berkshire, UK
Title:Aquatic organisms and pyrethroids
Source:Pesticide Science. Vol. 27, No. 4, 1989, p. 429-457.
Publishing Information:Barking, Essex: Elsevier Science Publishers LTD
# of Pages:37
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1002/ps.2780270408/abstract
    Last checked: 09/28/2010
    Notes: Abstract only
Keywords:TIC Keywords: Aquatic organisms; Comparisons; Environmental effects; Insecticide safety; Insecticide trials; Pyrethroid insecticides; Spray drift; Toxicological assessment
Abstract/Contents:"Under laboratory conditions, in water without particulate matter, pyrethroid insecticides have a high toxicity to fish and some aquatic invertebrates. The pyrethroids are of very low water solubility/high lipophilicity, and therefore are rapidly and strongly adsorbed to particulate material. In the adsorbed state their bioavailability to aquatic organisms is greatly reduced. Consequently, under field conditions the aquatic impact of these insecticides is likely to be much less than might be predicted by laboratory acute or chronic toxicity test data. Over the past 10 years a large number of aquatic field studies have been carried out with pyrethroids, in natural farm ponds, streams and lakes and also in mesocosms (experimental ponds and enclosures). Recent investigations, to meet the requirements of the United States Environmental Protection Agency, have been most extensive. These studies, done in replicated experimental ponds of at least 0-04 ha, each require at least 20 man-years of effort. Following agricultural applications of the pyrethroid insecticides, spray-drift or run-off may cause minor effects upon some aquatic organisms. Algae, microorganisms, annelids, gastropods and fish are all unaffected, but some impact may occur upon certain zoo-plankton and on aquatic stages of insects. However, with products for which realistic field studies have been reported, the effects are mostly transient and are unlikely to cause adverse changes in the populations or productivity of aquatic ecosystems."
Language:English
References:29
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hill, I. R. 1989. Aquatic organisms and pyrethroids. Pesticide Science. 27(4):p. 429-457.
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DOI: 10.1002/ps.2780270408
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.2780270408/pdf
    Last checked: 09/28/2010
    Requires: PDF Reader
    Access conditions: Item is within a limited access website
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