𝔖 Bobbio Scriptorium
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Ecological Considerations in Pesticide Risk Assessment for Aquatic Ecosystems

✍ Scribed by Maund, Steve J.; Sherratt, Tom N.; Stickland, Tim; Biggs, Jeremy; Williams, P.; Shillabeer, Nigel; Jepson, Paul C.

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
169 KB
Volume
49
Category
Article
ISSN
1526-498X

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✦ Synopsis

Risk assessment of pesticides for aquatic ecosystems is typically based on comparisons of exposure and e †ect concentrations at a variety of levels (tiers). At the highest tier, e †ects assessment can involve generating data under Ðeld conditions, typically in mesocosm experiments. However, interpreting the ecological signiÐcance of e †ects measured in these studies can be difficult because ecological factors can inÑuence the outcome of perturbations in the real world. The inÑuence of ecological factors is not readily addressed experimentally and so a strategic modelling approach is proposed which may aid in deÐning acceptability of e †ects.

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