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Pesticide concentration in three selected fish species and human health risk in the Lake Tana sub-basin, Ethiopia

Wondie Zelalem, Wassie Anteneh, Minwyelet Mingist, Mulugeta Kibret, Enyew Adgo, Felegush Erarto, Jasmine De Rop (UGent) , Andrée De Cock (UGent) , Pieter Spanoghe (UGent) , Peter Goethals (UGent) , et al.
(2023) ENVIRONMENTAL MONITORING AND ASSESSMENT. 195(8).
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Abstract
Pesticide use has increased in the Lake Tana sub-basin due to increased agricultural activity, potentially endangering nontargeted organisms. To assess its potential impact on fish health and fish-consuming human populations, pesticide concentrations in the fillet and liver tissue of three fish species, namely Labeobarbus megastoma, Labeobarbus tsanensis, and Oreochromis niloticus, were investigated in Lake Tana. Fish samples were taken from the lake near the rivers of Ribb and Gumara, which flow through agricultural areas where considerable amounts of pesticides have been applied. A total of 96 fish samples were collected. Liquid chromatography coupled with tandem mass spectrometry (LC–MS/MS) revealed the presence of ten pesticides. Pyrimethanil was frequently detected in 96% of liver and 65% of fillet samples at a median concentration of 33.9 µg kg−1 and 19.7 µg kg−1, respectively. The highest concentration of pyrimethanil was found in L. megastoma (1850.0 µg kg−1). Labeobarbus megastoma also had the highest concentration of oxamyl (507.0 µg kg−1) and flazasulfuron (60.1 µg kg−1) detected in the liver tissue. The highest concentration of carbaryl (56.5 µg kg−1) was found in the liver tissue of O. niloticus. Fish tissue samples from the two study sites contained pyrimethanil, oxamyl, carbaryl, and flazasulfuron. Only pyrimethanil showed a statistically significant difference between the two sites and the species L. megastoma and L. tsanensis. The amounts of pesticides found in the fish species pose no direct risk to the health of fish consumer human population. However, the results show that the lake ecosystem needs immediate attention and regular monitoring of the rising pesticide usage in the lake watershed.
Keywords
Lake Tana, Pesticide, Labeobarbus, Oreochromis, Health risk, Toxicity, EARLY-LIFE STAGES, ORGANOCHLORINE PESTICIDES, FUNGICIDE PYRIMETHANIL, TOXICITY, RESIDUES, TISSUES, INSECTICIDE, CHEMICALS, EXPOSURE, CARBARYL

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MLA
Zelalem, Wondie, et al. “Pesticide Concentration in Three Selected Fish Species and Human Health Risk in the Lake Tana Sub-Basin, Ethiopia.” ENVIRONMENTAL MONITORING AND ASSESSMENT, vol. 195, no. 8, 2023, doi:10.1007/s10661-023-11594-y.
APA
Zelalem, W., Anteneh, W., Mingist, M., Kibret, M., Adgo, E., Erarto, F., … De Vocht, A. (2023). Pesticide concentration in three selected fish species and human health risk in the Lake Tana sub-basin, Ethiopia. ENVIRONMENTAL MONITORING AND ASSESSMENT, 195(8). https://doi.org/10.1007/s10661-023-11594-y
Chicago author-date
Zelalem, Wondie, Wassie Anteneh, Minwyelet Mingist, Mulugeta Kibret, Enyew Adgo, Felegush Erarto, Jasmine De Rop, et al. 2023. “Pesticide Concentration in Three Selected Fish Species and Human Health Risk in the Lake Tana Sub-Basin, Ethiopia.” ENVIRONMENTAL MONITORING AND ASSESSMENT 195 (8). https://doi.org/10.1007/s10661-023-11594-y.
Chicago author-date (all authors)
Zelalem, Wondie, Wassie Anteneh, Minwyelet Mingist, Mulugeta Kibret, Enyew Adgo, Felegush Erarto, Jasmine De Rop, Andrée De Cock, Pieter Spanoghe, Peter Goethals, Jan Nyssen, Elie Verleyen, and Alain De Vocht. 2023. “Pesticide Concentration in Three Selected Fish Species and Human Health Risk in the Lake Tana Sub-Basin, Ethiopia.” ENVIRONMENTAL MONITORING AND ASSESSMENT 195 (8). doi:10.1007/s10661-023-11594-y.
Vancouver
1.
Zelalem W, Anteneh W, Mingist M, Kibret M, Adgo E, Erarto F, et al. Pesticide concentration in three selected fish species and human health risk in the Lake Tana sub-basin, Ethiopia. ENVIRONMENTAL MONITORING AND ASSESSMENT. 2023;195(8).
IEEE
[1]
W. Zelalem et al., “Pesticide concentration in three selected fish species and human health risk in the Lake Tana sub-basin, Ethiopia,” ENVIRONMENTAL MONITORING AND ASSESSMENT, vol. 195, no. 8, 2023.
@article{01H7FBM766G28GFADVHFYZ1YWD,
  abstract     = {{Pesticide use has increased in the Lake Tana sub-basin due to increased agricultural activity, potentially endangering nontargeted organisms. To assess its potential impact on fish health and fish-consuming human populations, pesticide concentrations in the fillet and liver tissue of three fish species, namely Labeobarbus megastoma, Labeobarbus tsanensis, and Oreochromis niloticus, were investigated in Lake Tana. Fish samples were taken from the lake near the rivers of Ribb and Gumara, which flow through agricultural areas where considerable amounts of pesticides have been applied. A total of 96 fish samples were collected. Liquid chromatography coupled with tandem mass spectrometry (LC–MS/MS) revealed the presence of ten pesticides. Pyrimethanil was frequently detected in 96% of liver and 65% of fillet samples at a median concentration of 33.9 µg kg−1 and 19.7 µg kg−1, respectively. The highest concentration of pyrimethanil was found in L. megastoma (1850.0 µg kg−1). Labeobarbus megastoma also had the highest concentration of oxamyl (507.0 µg kg−1) and flazasulfuron (60.1 µg kg−1) detected in the liver tissue. The highest concentration of carbaryl (56.5 µg kg−1) was found in the liver tissue of O. niloticus. Fish tissue samples from the two study sites contained pyrimethanil, oxamyl, carbaryl, and flazasulfuron. Only pyrimethanil showed a statistically significant difference between the two sites and the species L. megastoma and L. tsanensis. The amounts of pesticides found in the fish species pose no direct risk to the health of fish consumer human population. However, the results show that the lake ecosystem needs immediate attention and regular monitoring of the rising pesticide usage in the lake watershed.}},
  articleno    = {{988}},
  author       = {{Zelalem, Wondie and Anteneh, Wassie and Mingist, Minwyelet and Kibret, Mulugeta and Adgo, Enyew and Erarto, Felegush and De Rop, Jasmine and De Cock, Andrée and Spanoghe, Pieter and Goethals, Peter and Nyssen, Jan and Verleyen, Elie and De Vocht, Alain}},
  issn         = {{0167-6369}},
  journal      = {{ENVIRONMENTAL MONITORING AND ASSESSMENT}},
  keywords     = {{Lake Tana,Pesticide,Labeobarbus,Oreochromis,Health risk,Toxicity,EARLY-LIFE STAGES,ORGANOCHLORINE PESTICIDES,FUNGICIDE PYRIMETHANIL,TOXICITY,RESIDUES,TISSUES,INSECTICIDE,CHEMICALS,EXPOSURE,CARBARYL}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{15}},
  title        = {{Pesticide concentration in three selected fish species and human health risk in the Lake Tana sub-basin, Ethiopia}},
  url          = {{http://doi.org/10.1007/s10661-023-11594-y}},
  volume       = {{195}},
  year         = {{2023}},
}
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