Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods

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 Ros...

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Autores principales:	Alexey V. Golikov, Filipe R. Ceia, Rushan M. Sabirov, Georgii A. Batalin, Martin E. Blicher, Bulat I. Gareev, Gudmundur Gudmundsson, Lis L. Jørgensen, Gazinur Z. Mingazov, Denis V. Zakharov, José C. Xavier
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f926016b8ccd42d6aeb62f02e7a1e974
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spelling	oai:doaj.org-article:f926016b8ccd42d6aeb62f02e7a1e9742021-12-02T11:43:51ZDiet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods10.1038/s41598-020-78645-z2045-2322https://doaj.org/article/f926016b8ccd42d6aeb62f02e7a1e9742020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78645-zhttps://doaj.org/toc/2045-2322Abstract 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’.Alexey V. GolikovFilipe R. CeiaRushan M. SabirovGeorgii A. BatalinMartin E. BlicherBulat I. GareevGudmundur GudmundssonLis L. JørgensenGazinur Z. MingazovDenis V. ZakharovJosé C. XavierNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Alexey V. Golikov Filipe R. Ceia Rushan M. Sabirov Georgii A. Batalin Martin E. Blicher Bulat I. Gareev Gudmundur Gudmundsson Lis L. Jørgensen Gazinur Z. Mingazov Denis V. Zakharov José C. Xavier Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
description	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’.
format	article
author	Alexey V. Golikov Filipe R. Ceia Rushan M. Sabirov Georgii A. Batalin Martin E. Blicher Bulat I. Gareev Gudmundur Gudmundsson Lis L. Jørgensen Gazinur Z. Mingazov Denis V. Zakharov José C. Xavier
author_facet	Alexey V. Golikov Filipe R. Ceia Rushan M. Sabirov Georgii A. Batalin Martin E. Blicher Bulat I. Gareev Gudmundur Gudmundsson Lis L. Jørgensen Gazinur Z. Mingazov Denis V. Zakharov José C. Xavier
author_sort	Alexey V. Golikov
title	Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
title_short	Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
title_full	Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
title_fullStr	Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
title_full_unstemmed	Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods
title_sort	diet and life history reduce interspecific and intraspecific competition among three sympatric arctic cephalopods
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/f926016b8ccd42d6aeb62f02e7a1e974
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Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods

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