Mapping Geospatial Processes Affecting the Environmental Fate of Agricultural Pesticides in Africa.
artificial compound
crop protection
environmental data
insecticide residue
satellite data
tropics
Journal
International journal of environmental research and public health
ISSN: 1660-4601
Titre abrégé: Int J Environ Res Public Health
Pays: Switzerland
ID NLM: 101238455
Informations de publication
Date de publication:
20 09 2019
20 09 2019
Historique:
received:
27
08
2019
revised:
15
09
2019
accepted:
16
09
2019
entrez:
25
9
2019
pubmed:
25
9
2019
medline:
6
2
2020
Statut:
epublish
Résumé
The application of agricultural pesticides in Africa can have negative effects on human health and the environment. The aim of this study was to identify African environments that are vulnerable to the accumulation of pesticides by mapping geospatial processes affecting pesticide fate. The study modelled processes associated with the environmental fate of agricultural pesticides using publicly available geospatial datasets. Key geospatial processes affecting the environmental fate of agricultural pesticides were selected after a review of pesticide fate models and maps for leaching, surface runoff, sedimentation, soil storage and filtering capacity, and volatilization were created. The potential and limitations of these maps are discussed. We then compiled a database of studies that measured pesticide residues in Africa. The database contains 10,076 observations, but only a limited number of observations remained when a standard dataset for one compound was extracted for validation. Despite the need for more in-situ data on pesticide residues and application, this study provides a first spatial overview of key processes affecting pesticide fate that can be used to identify areas potentially vulnerable to pesticide accumulation.
Identifiants
pubmed: 31547208
pii: ijerph16193523
doi: 10.3390/ijerph16193523
pmc: PMC6801543
pii:
doi:
Substances chimiques
Pesticide Residues
0
Pesticides
0
Soil
0
Soil Pollutants
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Wellcome Trust
ID : 108440/Z/15/Z
Pays : United Kingdom
Déclaration de conflit d'intérêts
The authors declare that they have no competing interests.
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