Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands

Irene Ruvalcaba-Ortega, Mario Bermúdez De León, Sandra Mendiola-Castillo, Laura González-Escalante, Ricardo Canales-Del-Castillo, Roberto Mercado-Hernández, Antonio Guzmán-Velasco, José Ignacio González-Rojas

Research output: Contribution to journalArticle

Abstract

© 2017 The Society for Range Management. Published by Elsevier Inc. All rights reserved. Wildlife near agricultural lands is exposed to pesticides, particularly organophosphorus and carbamates, where birds appear to be more sensitive to their toxic effects than other vertebrates. One of the main effects of pesticides is the disruption of the nervous system through the inhibition of cholinesterase enzymes. The aim of this study was to determine the plasma cholinesterase activity in native birds of pesticide-exposed agricultural lands within the Grassland Priority Conservation Area El Tokio, located in northeastern Mexico. The study was conducted during three summer seasons (2008-2010), when the reproduction of birds and pesticide spraying occurred. Forty-four birds of 13 different species were captured, sampled, and released. High variability values among individuals and species were found, ranging from 0.200 ± 0.055 to 4.960 ± 0.150 μmol/min/L. White-winged doves' values were significantly smaller than basal reference, showing 29-49% of plasma cholinesterase inhibition and possible pesticide exposure. Mean plasma cholinesterase activity values for 10 of the species had not been reported previously. These data can serve for future interpretations of plasma cholinesterase activity values in wild birds within agricultural lands and for decision making in priority conservation areas.
Original languageEnglish
Pages (from-to)584-588
Number of pages5
JournalRangeland Ecology and Management
DOIs
Publication statusPublished - 1 Sep 2017
Externally publishedYes

Fingerprint

cholinesterase
agricultural land
pesticides
pesticide
bird
plasma
birds
protected area
conservation areas
carbamate pesticides
organophosphorus pesticides
doves
range management
wild birds
nervous system
spraying
decision making
wildlife
vertebrate
grasslands

All Science Journal Classification (ASJC) codes

  • Ecology
  • Animal Science and Zoology
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law

Cite this

Ruvalcaba-Ortega, I., León, M. B. D., Mendiola-Castillo, S., González-Escalante, L., Canales-Del-Castillo, R., Mercado-Hernández, R., ... González-Rojas, J. I. (2017). Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands. Rangeland Ecology and Management, 584-588. https://doi.org/10.1016/j.rama.2017.03.003
Ruvalcaba-Ortega, Irene ; León, Mario Bermúdez De ; Mendiola-Castillo, Sandra ; González-Escalante, Laura ; Canales-Del-Castillo, Ricardo ; Mercado-Hernández, Roberto ; Guzmán-Velasco, Antonio ; González-Rojas, José Ignacio. / Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands. In: Rangeland Ecology and Management. 2017 ; pp. 584-588.
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Ruvalcaba-Ortega, I, León, MBD, Mendiola-Castillo, S, González-Escalante, L, Canales-Del-Castillo, R, Mercado-Hernández, R, Guzmán-Velasco, A & González-Rojas, JI 2017, 'Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands', Rangeland Ecology and Management, pp. 584-588. https://doi.org/10.1016/j.rama.2017.03.003

Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands. / Ruvalcaba-Ortega, Irene; León, Mario Bermúdez De; Mendiola-Castillo, Sandra; González-Escalante, Laura; Canales-Del-Castillo, Ricardo; Mercado-Hernández, Roberto; Guzmán-Velasco, Antonio; González-Rojas, José Ignacio.

In: Rangeland Ecology and Management, 01.09.2017, p. 584-588.

Research output: Contribution to journalArticle

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T1 - Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands

AU - Ruvalcaba-Ortega, Irene

AU - León, Mario Bermúdez De

AU - Mendiola-Castillo, Sandra

AU - González-Escalante, Laura

AU - Canales-Del-Castillo, Ricardo

AU - Mercado-Hernández, Roberto

AU - Guzmán-Velasco, Antonio

AU - González-Rojas, José Ignacio

PY - 2017/9/1

Y1 - 2017/9/1

N2 - © 2017 The Society for Range Management. Published by Elsevier Inc. All rights reserved. Wildlife near agricultural lands is exposed to pesticides, particularly organophosphorus and carbamates, where birds appear to be more sensitive to their toxic effects than other vertebrates. One of the main effects of pesticides is the disruption of the nervous system through the inhibition of cholinesterase enzymes. The aim of this study was to determine the plasma cholinesterase activity in native birds of pesticide-exposed agricultural lands within the Grassland Priority Conservation Area El Tokio, located in northeastern Mexico. The study was conducted during three summer seasons (2008-2010), when the reproduction of birds and pesticide spraying occurred. Forty-four birds of 13 different species were captured, sampled, and released. High variability values among individuals and species were found, ranging from 0.200 ± 0.055 to 4.960 ± 0.150 μmol/min/L. White-winged doves' values were significantly smaller than basal reference, showing 29-49% of plasma cholinesterase inhibition and possible pesticide exposure. Mean plasma cholinesterase activity values for 10 of the species had not been reported previously. These data can serve for future interpretations of plasma cholinesterase activity values in wild birds within agricultural lands and for decision making in priority conservation areas.

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JO - Rangeland Ecology and Management

JF - Rangeland Ecology and Management

SN - 1550-7424

ER -

Ruvalcaba-Ortega I, León MBD, Mendiola-Castillo S, González-Escalante L, Canales-Del-Castillo R, Mercado-Hernández R et al. Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands. Rangeland Ecology and Management. 2017 Sep 1;584-588. https://doi.org/10.1016/j.rama.2017.03.003