From parcels to people: development of a spatially explicit risk indicator to monitor residential pesticide exposure in agricultural areas
arxiv(2024)
摘要
The increase in global pesticide use has mirrored the rising demand for food
over the last decades, resulting in a boost in crop yields. However, concerns
about the impact of pesticides on biodiversity, ecosystems, and human health,
especially for populations residing close to cultivated areas, are growing.
This study investigates how exposure and possible risks to residents can be
estimated at high spatial granularity based on plant protection product data.
The complexities of such analysis were explored in France, where relevant data
with good granularity are publicly available. Integrating sets of spatial
datasets and exposure assessment methodologies, we have developed an indicator
to monitor the levels of pesticide risk faced by residents. By spatialising
pesticide sales data according to their authorization on specific crops, we
developed a detailed map depicting potential pesticide loads at parcel level
across France. This spatial distribution served as the basis for an exposure
and risk assessment, modelled following the European Food Safety Authority's
guidelines. Combining the risk map with population distribution data, we have
developed an indicator that allows to monitor patterns in non-dietary exposure
to pesticides. Our results show that in France, on average, 13
be exposed to pesticides due to living in the proximity to treated crops. This
exposure is in the lower range for 34
for 25
assumptions and values should not be taken as a regulatory risk assessment but
as indicator to use, for example, for monitoring time trends. The purpose of
this indicator is to demonstrate that more granular pesticide data can improve
risk reduction strategies. Harmonized and high-resolution data can help in
identifying regions where to focus on sustainable farming.
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