Articles | Volume 18, issue 5
https://doi.org/10.5194/bg-18-1543-2021
https://doi.org/10.5194/bg-18-1543-2021
Research article
 | 
04 Mar 2021
Research article |  | 04 Mar 2021

Stable isotopic composition of top consumers in Arctic cryoconite holes: revealing divergent roles in a supraglacial trophic network

Tereza Novotná Jaroměřská, Jakub Trubač, Krzysztof Zawierucha, Lenka Vondrovicová, Miloslav Devetter, and Jakub D. Žárský

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (30 Jun 2020) by Jack Middelburg
AR by Tereza Novotna Jaromerska on behalf of the Authors (01 Aug 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (17 Aug 2020) by Jack Middelburg
RR by Anonymous Referee #1 (25 Aug 2020)
ED: Publish subject to minor revisions (review by editor) (11 Jan 2021) by Jack Middelburg
AR by Tereza Novotna Jaromerska on behalf of the Authors (15 Jan 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (18 Jan 2021) by Jack Middelburg
AR by Tereza Novotna Jaromerska on behalf of the Authors (25 Jan 2021)  Author's response   Manuscript 
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Short summary
Cryoconite holes are ponds on the glacier surface that play an important role in glacier nutrient pathways. This paper presents the first description of the carbon and nitrogen isotopic composition of cryoconite consumers (tardigrades and rotifers) and their potential food. We showed that consumers differ in nitrogen isotopes and carbon isotopes vary between taxa and between glaciers. The study contributes to improving knowledge about cryoconite hole functioning and cryoconite trophic networks.
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