Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/106716
Title: Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
Authors: Golikov, Alexey V.
Ceia, Filipe R. 
Sabirov, Rushan M.
Batalin, Georgii A.
Blicher, Martin E.
Gareev, Bulat I.
Gudmundsson, Gudmundur
Jørgensen, Lis L.
Mingazov, Gazinur Z.
Zakharov, Denis V.
Xavier, José C. 
Issue Date: 9-Dec-2020
Publisher: Springer Nature
Project: INAMon was financially supported by the Greenland Institute of Natural Resources, North Atlantic Cooperation (nora.fo; J. nr. 510-151), Sustainable Fisheries Greenland, the Ministry for Research in Greenland (IKIIN) and the Environmental Protection Agency (Dancea) of the Ministry of Environment and Food of Denmark (J. nr. mst-112-00272). This research is also part of the Danish Presidency project in Nordic Council of Ministers, mapping seabed biodiversity and vulnerability in the Arctic and North Atlantic 
UID/MAR/04292/2020 
BIOICE program 
SFRH/BPD/95372/2013 
Serial title, monograph or event: Scientific Reports
Volume: 10
Issue: 1
Abstract: Trophic niche and diet comparisons among closely sympatric marine species are important to understand complex food webs, particularly in regions most affected by climate change. Using stable isotope analyses, all ontogenetic stages of three sympatric species of Arctic cephalopods (genus Rossia) were studied to assess inter- and intraspecific competition with niche and diet overlap and partitioning in West Greenland and the Barents Sea. Seven traits related to resource and habitat utilization were identified in Rossia: no trait was shared by all three species. High boreal R. megaptera and Arctic endemic R. moelleri shared three traits with each other, while both R. megaptera and R. moelleri shared only two unique traits each with widespread boreal-Arctic R. palpebrosa. Thus all traits formed fully uncrossing pattern with each species having unique strategy of resource and habitat utilization. Predicted climate changes in the Arctic would have an impact on competition among Rossia with one potential 'winner' (R. megaptera in the Barents Sea) but no potential 'losers'.
URI: https://hdl.handle.net/10316/106716
ISSN: 2045-2322
DOI: 10.1038/s41598-020-78645-z
Rights: openAccess
Appears in Collections:I&D MARE - Artigos em Revistas Internacionais

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