Pesticide behavior in modified water-sediment systems
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- Katagi Toshiyuki
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd.
Bibliographic Information
- Other Title
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- 農薬の水-底質系改良型試験
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Abstract
<p>The standardized laboratory water-sediment study in darkness is utilized as primary information on pesticide behavior to assess its ecotoxicological impacts in the edge-of-field water bodies. The half-lives of pesticide in water and sediment are key parameters to predict its environmental concentration, and its metabolic profiles help to avoid overlooking unexpected toxicological impacts from metabolites. However, no consideration of environmental factors such as sunlight and aquatic macrophytes is included, and this may lead to a conservative assessment. We review the experimental factors in the existing standardized design and then the effects of illumination and aquatic macrophytes introduced to the water-sediment system. The effects of temperature and the water-sediment ratio should be investigated in more detail and the pesticide behavior is possibly modified by illumination via photodegradation and/or metabolism in phototrophic microorganisms. Aquatic macrophytes play a major role as an additional sorption site and in further pesticide metabolism.</p>
Journal
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- Journal of Pesticide Science
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Journal of Pesticide Science 41 (4), 121-132, 2016
Pesticide Science Society of Japan
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Details 詳細情報について
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- CRID
- 1390282680187754112
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- NII Article ID
- 130005285065
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- NII Book ID
- AA11818622
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- ISSN
- 13490923
- 03851559
- 1348589X
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- NDL BIB ID
- 027742295
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed