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EPAT 1.2 - Exposure Pattern Analysis Tool
EPAT is a tool for analysis of exposure pattern e.g. FOCUS TOXSWA output files for concentrations in surface water or measured concentrations or mass time patterns in an environmental compartment.
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5 MB
Wittwer at al. (2024) After dark, all CATs are leopards
Recently, the ‘Closure Principle Computational Approach Test’ (CPCAT) was developed as a method that should overcome the shortcomings of NOEC/LOEC application in ecotoxicological pesticide risk assessments. CPCAT is supposed to handle abundance data characterized by low abundances, Poisson distributed, and overdispersion without restrictions.
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528 KB
Kunz et al. (2024) Extraction Efficiency for Food and Feed
Extraction methods can vary greatly in their efficiency to extract so-called incurred residues that form when plant protection products are applied to agricultural crops. Active substances and their metabolites can be incorporated into food or feed crops, and thus may occur in tissues and animal products.
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218 KB
Laucht et al. (2024) Ornamental Phoenix palm trees as habitat for fauna in the Mediterranean Region – results from a full year monitoring
In the European Mediterranean Region, palm trees are a common element in cities and semi-urban landscapes and have become important habitat structures for local fauna. This study aimed to monitor the invertebrate and vertebrate fauna occurring on and associated with ornamental palms of the genus Phoenix, over the course of one year.
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528 KB
Singer at al. (2023) BEEHAVE – Analysing the Significance of Increased Brood Termination Rate on the Colony Strength in Honey Bees
The brood termination rate (BTR) investigated in higher-tier studies according to OECD GD 75 for pesticide risk assessment is the determinant of honey bee (Apis mellifera) mortality during pre-imaginal development and thus influences colony strength.
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1 MB
Jakoby at al. (2023) Spatially explicit population models support impact assessment of precision application - a common vole example
Precision farming has the potential to reduce the impact of pesticides on the environment. Particularly, a more precise use of pesticides can result not only in a reduced pesticide load, but also in a spatially heterogeneous application pattern on the field scale. Accordingly, the effect of the pesticide on populations of non-target species might change.
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2 MB
Jakoby at al. (2022) A user-friendly software tool for DEB-TKTD model predictions
Toxicokinetic-toxicodynamic models based on dynamic energy budget theory (DEB-TKTD models) simulate sublethal effects of pesticides, exploring the effects of toxicants on growth and reproduction over time.
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714 KB
Bauer et al. (2023) A Toxicokinetic–Toxicodynamic Modeling Workflow Assessing the Quality of Input Mortality Data
Toxicokinetic–toxicodynamic (TKTD) models simulate organismal uptake and elimination of a substance (TK) and its effects on the organism (TD). The Reduced General Unified Threshold model of Survival (GUTS‐RED) is a TKTD modeling framework that is well established for aquatic risk assessment to simulate effects on survival.
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1 MB
Faupel et al. (2023) Precision farming and environmental pesticide regulation in the EU—How does it fit together?
Precision farming technology allows pesticides to be applied precisely to the target while leaving the rest of the field untreated. In the regulation of pesticides, however, a homogeneously sprayed field is considered as the standard scenario.
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113 KB
Wittwer, Jakoby (2023) Evaluation of wind speed measurements published by th German Meteorological Service (DWD) for the years 2004 to 2020
Sowing of seeds treated with agrochemicals is common practice in agriculture. German regulatory authorities are requesting that seeds treated with plant protection products must not be sown at average hourly wind speeds exceeding 5 m/s (at 2 m above ground) unless the environmental risk assessment indicates a large margin of safety.
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1 MB
Klein et al. (2022) Results of Ring‐Testing of a Semifield Study Design to Investigate Potential Impacts of Crop Protection Products on Bumblebees (Hymenoptera, Apidae) and a Proposal of a Potential Test Design
In Europe, the risk assessment for bees at the European Union or national level has always focussed on potential impacts on honeybees. During the revision of the European Food Safety Authority bee guidance it was explicitly stated that bumblebees and solitary bees should be considered as well and consequently concerns were raised regarding the representativeness of honeybees for these other bee species.
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665 KB
Ludwigs et al. (2022) Assessing the Portion of Diet Taken by Birds and Mammals from a Pesticide‐Treated Area—Proposal for a Joint Way Forward
An environmental risk assessment for birds and mammals is an important part of any application package for potential registration of pesticides in Europe. A realistic estimation of the exposure of a certain species to the pesticide under field conditions is a refinement factor in long‐term higher‐tier risk assessments.
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472 KB