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Effects of a herbicide and copper mixture on the quality of marine plankton

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Abstract
Pesticides and metals are often used in agriculture and are therefore often simultaneously discharged to nearby estuarine and marine areas. The effects of this organic-inorganic chemical mixture on food quality of aquatic organisms are currently unknown. In this study we test if a mixture of copper (inorganic) and the herbicide Primextra (R) Gold TZ (organic) affects the quality of the diatom Thalassiosira weissfiogii and the copepod Acartia tonsa - two key species that fuel the local food-web. We quantified quality (i.e. energy content as food for the next trophic level) in terms of fatty acids, proteins and thiobarbituric acid reacting substances. We found non additive effects (positive and negative) of the metal-herbicide mixture on the diatom and copepod species. In general, nutritionally important biochemical parameters of Acartia tonsa were most sensitive to the chemical stressors.
Keywords
Food quality, Generalized linear model, Plankton, Species sensitivity, Biomarkers, Fatty acids, FATTY-ACIDS, GOLD TZ, ZOOPLANKTON, PHYTOPLANKTON, METOLACHLOR, TOXICITY, PORTUGAL, ESTUARY, STRESS, CONTAMINANTS

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Citation

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Chicago
Filimonova, Valentina, Marleen De Troch, Fernando Gonçalves, João C Marques, Sérgio M Marques, Ana MM Gonçalves, and Frederik De Laender. 2018. “Effects of a Herbicide and Copper Mixture on the Quality of Marine Plankton.” Ecotoxicology and Environmental Safety 156: 9–17.
APA
Filimonova, V., De Troch, M., Gonçalves, F., Marques, J. C., Marques, S. M., Gonçalves, A. M., & De Laender, F. (2018). Effects of a herbicide and copper mixture on the quality of marine plankton. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 156, 9–17.
Vancouver
1.
Filimonova V, De Troch M, Gonçalves F, Marques JC, Marques SM, Gonçalves AM, et al. Effects of a herbicide and copper mixture on the quality of marine plankton. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY. 2018;156:9–17.
MLA
Filimonova, Valentina, Marleen De Troch, Fernando Gonçalves, et al. “Effects of a Herbicide and Copper Mixture on the Quality of Marine Plankton.” ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 156 (2018): 9–17. Print.
@article{8558635,
  abstract     = {Pesticides and metals are often used in agriculture and are therefore often simultaneously discharged to nearby estuarine and marine areas. The effects of this organic-inorganic chemical mixture on food quality of aquatic organisms are currently unknown. In this study we test if a mixture of copper (inorganic) and the herbicide Primextra (R) Gold TZ (organic) affects the quality of the diatom Thalassiosira weissfiogii and the copepod Acartia tonsa - two key species that fuel the local food-web. We quantified quality (i.e. energy content as food for the next trophic level) in terms of fatty acids, proteins and thiobarbituric acid reacting substances. We found non additive effects (positive and negative) of the metal-herbicide mixture on the diatom and copepod species. In general, nutritionally important biochemical parameters of Acartia tonsa were most sensitive to the chemical stressors.},
  author       = {Filimonova, Valentina and De Troch, Marleen and Gon\c{c}alves, Fernando and Marques, Jo{\~a}o C and Marques, S{\'e}rgio M and Gon\c{c}alves, Ana MM and De Laender, Frederik},
  issn         = {0147-6513},
  journal      = {ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY},
  keyword      = {Food quality,Generalized linear model,Plankton,Species sensitivity,Biomarkers,Fatty acids,FATTY-ACIDS,GOLD TZ,ZOOPLANKTON,PHYTOPLANKTON,METOLACHLOR,TOXICITY,PORTUGAL,ESTUARY,STRESS,CONTAMINANTS},
  language     = {eng},
  pages        = {9--17},
  title        = {Effects of a herbicide and copper mixture on the quality of marine plankton},
  url          = {http://dx.doi.org/10.1016/j.ecoenv.2018.02.038},
  volume       = {156},
  year         = {2018},
}

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