Show simple item record

dc.contributor.authorErshova, Elizaveta
dc.contributor.authorKosobokova, Ksenia N.
dc.date.accessioned2020-01-29T16:37:18Z
dc.date.available2020-01-29T16:37:18Z
dc.date.issued2019-06-29
dc.description.abstractThe East-Siberian Sea (ESS) plays a significant role in circulation of surface water and biological production in the Arctic, yet due to its remote location and historically difficult sampling conditions remains the most understudied of all Arctic shelf seas, with even baseline information on biological communities absent in literature. We aim to fill this gap by describing the distribution and community structure of mesozooplankton in the ESS and the adjacent Arctic Ocean based on recent (September 2009, 2015) as well as historical (August–September 1946, 1948) observations. We found that the overall biomass and abundance during our studies were significantly lower than in the adjacent Chukchi Sea, but higher than historical estimates from the ESS, around 25–35 mg DW m−3. The diversity was low and characteristic for other Arctic shelf seas, with increasing number of species in deeper waters. Biomass was highest at the shelf break, where it approached 70 mg DW m−3, and was mainly composed of the large copepod Calanus glacialis. On the shelf, abundance and biomass were low (10–20 mg DW m−3) and was dominated by small copepods and chaetognaths. Several distinct assemblages of zooplankton were identified and related to the physical properties of the water masses present. A striking result was the presence of both Atlantic and Pacific expatriates in offshore waters close to the shelf break, but generally not on the shelf itself. Tracking these advected organisms could be a useful tool in determining the pathways, extent, and transit time of Atlantic and Pacific water entering the Arctic.en_US
dc.identifier.citationErshova, E., Kosobokova, K.N.(2019) Cross-shelf structure and distribution of mesozooplankton communities in the East-Siberian Sea and the adjacent Arctic Ocean. <i>Polar Biology, 42</i>, (7), 1353-1367.en_US
dc.identifier.cristinIDFRIDAID 1728407
dc.identifier.doi10.1007/s00300-019-02523-2
dc.identifier.issn0722-4060
dc.identifier.issn1432-2056
dc.identifier.urihttps://hdl.handle.net/10037/17268
dc.language.isoengen_US
dc.publisherSpringer Natureen_US
dc.relation.journalPolar Biology
dc.relation.projectIDAndre: Russian Ministry of Science and Education RFMEFI61617X0078en_US
dc.relation.projectIDTromsø forskningsstiftelse: 01vm/h15en_US
dc.relation.projectIDAndre: RUSSIAN MINISTRY OF SCIENCE AND EDUCATION RFMEFI61617X0078en_US
dc.relation.projectIDTromsø forskningsstiftelse: 01VM/H15en_US
dc.rights.accessRightsopenAccessen_US
dc.rights.holderSpringeren_US
dc.subjectVDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452en_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Oseanografi: 452en_US
dc.titleCross-shelf structure and distribution of mesozooplankton communities in the East-Siberian Sea and the adjacent Arctic Oceanen_US
dc.type.versionacceptedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


File(s) in this item

Thumbnail

This item appears in the following collection(s)

Show simple item record