Development of an innovative conceptual model and a tiered testing strategy for the ecological risk assessment of rice pesticides
Rice paddies constitute a very special agrobiosystem, which for some circumstances, could be considered as a human driven wetland. The complexity of such dynamic systems is a key element for conducting ecological risk assessments, in addition, the proximity of rice paddies to areas of high ecological value must be considered. This paper presents a new conceptual model for conducting ecological risk assessments of pesticides and other agrochemicals in rice, based on a combination of three main elements, the source of the stressor, the exposed environmental compartments and the relevance of the ecological receptors. A tiered testing strategy, starting with the standard requirements for pesticides and moving to specific higher tier studies with three levels of risk refinement is also presented. © Springer-Verlag 2005.
| Main Authors: | , |
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| Format: | artículo biblioteca |
| Language: | English |
| Published: |
Springer Nature
2006
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| Subjects: | Rice paddies, Risk refinement, Agrochemicals, |
| Online Access: | http://hdl.handle.net/20.500.12792/4456 http://hdl.handle.net/10261/294663 |
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| Summary: | Rice paddies constitute a very special agrobiosystem, which for some circumstances, could be considered as a human driven wetland. The complexity of such dynamic systems is a key element for conducting ecological risk assessments, in addition, the proximity of rice paddies to areas of high ecological value must be considered. This paper presents a new conceptual model for conducting ecological risk assessments of pesticides and other agrochemicals in rice, based on a combination of three main elements, the source of the stressor, the exposed environmental compartments and the relevance of the ecological receptors. A tiered testing strategy, starting with the standard requirements for pesticides and moving to specific higher tier studies with three levels of risk refinement is also presented. © Springer-Verlag 2005. |
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