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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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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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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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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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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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Nickisch et al. (2022) Fish Species Sensitivity Ranking Depends on Pesticide Exposure Profiles
In the regulatory environmental risk assessment of plant protection products, the exposure tested in standard toxicity tests assumes simple exposure dynamics, such as constant exposure at the first stage of testing. However, environmental exposure can be highly dynamic.
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1 MB
Singer, Nickisch, Gergs (2022) Joint survival modelling for multiple species exposed to toxicants
In environmental risk assessment (ERA), the multitude of compounds and taxa demands cross-species extrapolation to cover the variability in sensitivity to toxicants. However, only the impact of a single compound to a single species is addressed by the general unified threshold model of survival (GUTS).
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2 MB
Sur, Herrmann (2022) Determination of transfer factors for solute concentrations from agricultural fields to drinking water abstraction points
The stepwise attenuation of solute concentrations has been determined, starting from the unsaturated zone underneath treated fields across the deeper aquifer, down to drinking water abstraction wells. The partial or overall transfer or attenuation factor may help to make informed decisions on the magnitude of the decrease in concentrations from shallow leachate to drinking water abstraction, which is largely caused by mixing.
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Faupel et al. (2022) 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
Herrmann, Sur (2021) Natural attenuation along subsurface flow paths based on modeling and monitoring of a pesticide metabolite from three case studies
Groundwater—especially for the use as drinking water—is a strictly protected resource in the existing guidelines for pesticide registration and drinking water protection in the EU.
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10 MB