Universität zu Köln

Ahlers, Johanna ORCID: 0009-0009-6545-9668, Hahn, Meike ORCID: 0000-0001-5090-0849, Stockenreiter, Maria, Stibor, Herwig and von Elert, Eric ORCID: 0000-0001-7758-716X (2024). Mesocosm experiments validate induction of Daphnia vertical migration by the fish‐derived kairomone 5α‐cyprinol sulfate. Limnology and Oceanography Letters, 9 (3). pp. 307-315. Wiley. ISSN 2378-2242

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Abstract

The fish‐derived bile salt 5α‐cyprinol sulfate (CPS) has been identified as a kairomone inducing the predator avoidance behavior “diel vertical migration” (DVM) in Daphnia magna in response to fish. However, conclusions about the ecological significance of CPS have been derived from laboratory experiments only. Using a mesocosm approach, we investigate whether the role of CPS as a kairomone can be confirmed in the field. We demonstrate that CPS induces downward migration during daytime in a field‐derived Daphnia community mainly consisting of Daphnia longispina and Daphnia cucullata within the experiment. In the study lake, the actual population of D. longispina shows a similar pattern of DVM, while concomitant quantification of CPS by HPLC‐MS confirms that CPS in situ concentrations are sufficiently high for induction of daytime downward migration of D. longispina in this oligo‐mesotrophic lake. Together, these observations infer that CPS is a significant kairomone‐inducing DVM‐like behavior in Daphnia.

Item Type:	Article
Creators:	Creators Email ORCID ORCID Put Code Ahlers, Johanna UNSPECIFIED https://orcid.org/0009-0009-6545-9668 UNSPECIFIED Hahn, Meike UNSPECIFIED https://orcid.org/0000-0001-5090-0849 UNSPECIFIED Stockenreiter, Maria UNSPECIFIED UNSPECIFIED UNSPECIFIED Stibor, Herwig UNSPECIFIED UNSPECIFIED UNSPECIFIED von Elert, Eric UNSPECIFIED https://orcid.org/0000-0001-7758-716X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-816002
Identification Number:	10.1002/lol2.10375
Journal or Publication Title:	Limnology and Oceanography Letters
Volume:	9
Number:	3
Page Range:	pp. 307-315
Number of Pages:	9
Date:	26 June 2024
Publisher:	Wiley
ISSN:	2378-2242
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Biology > Zoologisches Institut
Subjects:	Life sciences
['eprint_fieldname_oa_funders' not defined]:	Publikationsfonds UzK
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/81600