Assessing the potential for intrinsic recovery in a Collembola two-generation study : possible implementation in a tiered soil risk assessment approach for plant protection products

Collembola are soil dwelling organisms that provide important ecosystem services within soils. To increase realism in evaluating potential effects of plant protection products a Collembola two-generation study was developed. This test assesses the potential for recovery of Collembola when exposed to...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 25(2016), 1 vom: 03. Jan., Seite 1-14
1. Verfasser: Ernst, Gregor (VerfasserIn)
Weitere Verfasser: Kabouw, Patrick, Barth, Markus, Marx, Michael T, Frommholz, Ursula, Royer, Stefanie, Friedrich, Sabine
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Collembola Folsomia candida Multi-generation study Potential for recovery Risk assessment Herbicides Soil Pollutants
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520 |a Collembola are soil dwelling organisms that provide important ecosystem services within soils. To increase realism in evaluating potential effects of plant protection products a Collembola two-generation study was developed. This test assesses the potential for recovery of Collembola when exposed to plant protection products. Juvenile individuals of Folsomia candida (Willem, Ann Soc Entomol Belg 46:275-283, 1902) which hatched under conditions of exposure to a test substance in a modified OECD 232 bioassay were introduced into a second consecutive bioassay containing the same test substance aged in soil. This test system determines whether a population which was initially impacted by a substance in a 1st bioassay shows normal reproduction or survival in a 2nd bioassay after aging of the test substance in soil. An intermediate period for juvenile growth is included between the 1st and 2nd bioassay in order to reduce the control treatment variability in reproduction and mortality to fulfill the validity criteria according to the OECD 232 guideline. The Collembola two-generation study is able to differentiate between substances showing either a potential long-term risk or comprising a low risk. Comparing the results of this two generation study with data from semi-field or field studies indicates a high degree of conservatism when this test is considered within a tiered risk assessment scheme. This approach represents a valuable tool which makes the risk assessment more efficient by providing an alternative refinement option for highly conservative tier 1 Collembola risk assessment 
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650 4 |a Risk assessment 
650 7 |a Herbicides  |2 NLM 
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700 1 |a Kabouw, Patrick  |e verfasserin  |4 aut 
700 1 |a Barth, Markus  |e verfasserin  |4 aut 
700 1 |a Marx, Michael T  |e verfasserin  |4 aut 
700 1 |a Frommholz, Ursula  |e verfasserin  |4 aut 
700 1 |a Royer, Stefanie  |e verfasserin  |4 aut 
700 1 |a Friedrich, Sabine  |e verfasserin  |4 aut 
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