KFU. Card publication. Ontogenetic changes in stable isotope (δ13C and δ15N) values in squid Gonatus fabricii (Cephalopoda) reveal its important ecological role in the Arctic

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ONTOGENETIC CHANGES IN STABLE ISOTOPE (δ13C AND δ15N) VALUES IN SQUID GONATUS FABRICII (CEPHALOPODA) REVEAL ITS IMPORTANT ECOLOGICAL ROLE IN THE ARCTIC

Form of presentation

Articles in international journals and collections

Year of publication

2018

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Authors, employees of KFU

Golikov Aleksey Valentinovich, author

Sabirov Rushan Mirzovich, author

Authors, students KFU

Zaripova Zarina Ilshatovna, author

Bibliographic description in the original language

Golikov A.V., Ceia F.R., Sabirov R.M., Zaripova Z.I., Blicher M.E., Zakharov D.V., Xavier J.C. Ontogenetic changes in stable isotope (δ13C and δ15N) values in squid Gonatus fab-ricii (Cephalopoda) reveal its important ecological role in the Arctic // Mar Ecol Prog Ser, 2018. -V. 606. –P. 65–78.

Annotation

Gonatus fabricii is the most abundant cephalopod species in Arctic waters, and the only squid that completes its entire life cycle there. In order to understand its ecological role in the Arctic, we conducted stable isotope analyses of beaks from all ontogenetic groups from west and east Greenland waters and the Barents Sea, complemented with morphological data. The values of both δ13C and δ15N of G. fabricii were not related to sex. Values of δ13C showed a small ontogenetic increase, and these values were geographically distinct, with highest levels found in the western part of the study area. Values of δ15N showed a dramatic ontogenetic increase (i.e. 10.0? δ15N; 2.6 trophic levels), from epipelagic juvenile forms to large bathypelagic adults, without significant geographical variation. The observed maximum value of δ15N (14.9 ?) is the highest ever recorded in cephalopod beaks. The estimated trophic level (up to 5.1) compares only to top vertebrate predators in the Arctic

Keywords

Gonatidae, Oegopsid squid, Arctic marine food webs, Trophic ecology, Feeding, Allometric equations, Beak, Morphology

The name of the journal

Marine Ecology Progress Series

URL

https://www.int-res.com/abstracts/meps/v606/p65-78/

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=188786&p_lang=2

Full metadata record

Field DC	Value	Language
dc.contributor.author	Golikov Aleksey Valentinovich	ru_RU
dc.contributor.author	Sabirov Rushan Mirzovich	ru_RU
dc.contributor.author	Zaripova Zarina Ilshatovna	ru_RU
dc.date.accessioned	2018-01-01T00:00:00Z	ru_RU
dc.date.available	2018-01-01T00:00:00Z	ru_RU
dc.date.issued	2018	ru_RU
dc.identifier.citation	Golikov A.V., Ceia F.R., Sabirov R.M., Zaripova Z.I., Blicher M.E., Zakharov D.V., Xavier J.C. Ontogenetic changes in stable isotope (δ13C and δ15N) values in squid Gonatus fab-ricii (Cephalopoda) reveal its important ecological role in the Arctic // Mar Ecol Prog Ser, 2018. -V. 606. –P. 65–78.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=188786&p_lang=2	ru_RU
dc.description.abstract	Marine Ecology Progress Series	ru_RU
dc.description.abstract	Gonatus fabricii is the most abundant cephalopod species in Arctic waters, and the only squid that completes its entire life cycle there. In order to understand its ecological role in the Arctic, we conducted stable isotope analyses of beaks from all ontogenetic groups from west and east Greenland waters and the Barents Sea, complemented with morphological data. The values of both δ13C and δ15N of G. fabricii were not related to sex. Values of δ13C showed a small ontogenetic increase, and these values were geographically distinct, with highest levels found in the western part of the study area. Values of δ15N showed a dramatic ontogenetic increase (i.e. 10.0? δ15N; 2.6 trophic levels), from epipelagic juvenile forms to large bathypelagic adults, without significant geographical variation. The observed maximum value of δ15N (14.9 ?) is the highest ever recorded in cephalopod beaks. The estimated trophic level (up to 5.1) compares only to top vertebrate predators in the Arctic	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	Gonatidae	ru_RU
dc.subject	Oegopsid squid	ru_RU
dc.subject	Arctic marine food webs	ru_RU
dc.subject	Trophic ecology	ru_RU
dc.subject	Feeding	ru_RU
dc.subject	Allometric equations	ru_RU
dc.subject	Beak	ru_RU
dc.subject	Morphology	ru_RU
dc.title	Ontogenetic changes in stable isotope (δ13C and δ15N) values in squid Gonatus fabricii (Cephalopoda) reveal its important ecological role in the Arctic	ru_RU
dc.type	Articles in international journals and collections	ru_RU