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High-speed imaging reveals how antihistamine exposure affects escape behaviours in aquatic insect prey
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.ORCID-id: 0000-0002-1618-2617
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysik. (The Biophysics and Biophotonics group)ORCID-id: 0000-0002-9835-3263
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap. Department of Wildlife, Fish, and Environmental Studies, SLU, Umeå, Sweden.
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2019 (Engelska)Ingår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 648, s. 1257-1262Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Aquatic systems receive a wide range of pharmaceuticals that may have adverse impacts on aquatic wildlife. Among these pharmaceuticals, antihistamines are commonly found, and these substances have the potential to influence the physiology of aquatic invertebrates. Previous studies have focused on how antihistamines may affect behaviours of aquatic invertebrates, but these studies probably do not capture the full consequences of antihistamine exposure, as traditional recording techniques do not capture important animal movements occurring at the scale of milliseconds, such as prey escape responses. In this study, we investigated if antihistamine exposure can impact escape responses in aquatic insect, by exposing damselfly (Coenagrion hastulatum) larvae to two environmentally relevant concentrations (0.1 and 1 μg L−1) of diphenhydramine. Importantly, we used a high-speed imaging approach that with high-time resolution captures details of escape responses and, thus, potential impacts of diphenhydramine on these behaviours. Our results show overall weak effects of antihistamine exposure on the escape behaviours of damselfly larvae. However, at stage 2 of the C-escape response, we found a significant increase in turning angle, which corresponds to a reduced swimming velocity, indicating a reduced success at evading a predator attack. Thus, we show that low concentrations of an antihistamine may affect behaviours strongly related to fitness of aquatic insect prey – effects would have been overlooked using traditional recording techniques. Hence, to understand the full consequences of pharmaceutical contamination on aquatic wildlife, high-speed imaging should be incorporated into future environmental risk assessments.

Ort, förlag, år, upplaga, sidor
Elsevier, 2019. Vol. 648, s. 1257-1262
Nyckelord [en]
Damselfly larvae, Diphenhydramine, Escape response, Pharmaceutical pollution
Nationell ämneskategori
Ekologi
Identifikatorer
URN: urn:nbn:se:umu:diva-150912DOI: 10.1016/j.scitotenv.2018.08.226Scopus ID: 2-s2.0-85052146409OAI: oai:DiVA.org:umu-150912DiVA, id: diva2:1239913
Tillgänglig från: 2018-08-20 Skapad: 2018-08-20 Senast uppdaterad: 2018-11-12Bibliografiskt granskad

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Jonsson, MicaelAndersson, MagnusFick, JerkerBrodin, TomasKlaminder, Jonatan

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Institutionen för ekologi, miljö och geovetenskapInstitutionen för fysikKemiska institutionen
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