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Context-dependent individual behavioral consistency in Daphnia
Technical University of Denmark, Denmark; Lund University, Sweden;University of Oslo, Norway.
Lund University, Sweden.
Lund University, Sweden.
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM). Lund University, Sweden. (Zooplankton Ecology;Ctr Ecol & Evolut Microbial Model Syst EEMiS)ORCID-id: 0000-0002-3740-5998
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2017 (engelsk)Inngår i: Ecosphere, ISSN 2150-8925, E-ISSN 2150-8925, Vol. 8, nr 2, artikkel-id e01679Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The understanding of consistent individual differences in behavior, often termed “personality,” for adapting and coping with threats and novel environmental conditions has advanced considerably during the last decade. However, advancements are almost exclusively associated with higher-order animals, whereas studies focusing on smaller aquatic organisms are still rare. Here, we show individual differences in the swimming behavior of Daphnia magna, a clonal freshwater invertebrate, before, during, and after being exposed to a lethal threat, ultraviolet radiation (UVR). We show consistency in swimming velocity among both mothers and daughters of D. magna in a neutral environment, whereas this pattern breaks down when exposed to UVR. Our study also, for the first time, illustrates how the ontogenetic development in swimming and refuge-seeking behavior of young individuals eventually approaches that of adults. Overall, we show that aquatic invertebrates are far from being identical robots, but instead they show considerable individual differences in behavior that can be attributed to both ontogenetic development and individual consistency. Our study also demonstrates, for the first time, that behavioral consistency and repeatability, that is, something resembling “personality,” is context and state dependent in this zooplankter taxa.

sted, utgiver, år, opplag, sider
John Wiley & Sons, 2017. Vol. 8, nr 2, artikkel-id e01679
Emneord [en]
animal personality, behavioral type, Daphnia, UV radiation, zooplankton
HSV kategori
Forskningsprogram
Naturvetenskap, Ekologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-61179DOI: 10.1002/ecs2.1679ISI: 000397091300015Scopus ID: 2-s2.0-85014044290OAI: oai:DiVA.org:lnu-61179DiVA, id: diva2:1079486
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EcoChangeTilgjengelig fra: 2017-03-08 Laget: 2017-03-08 Sist oppdatert: 2019-09-06bibliografisk kontrollert

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