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Ecological Responses of Core Phytoplankton by Latitudinal Differences in the Arctic Ocean in Late Summer Revealed by 18S rDNA Metabarcoding

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dc.contributor.authorJoo, Hyoung Min-
dc.contributor.authorKim, Kang Eun-
dc.contributor.authorPark, Joon Sang-
dc.contributor.authorKim, Hyun-Jung-
dc.contributor.authorYang, Eun Jin-
dc.contributor.authorLee, Taek-Kyun-
dc.contributor.authorCho, Kyoung-Ho-
dc.contributor.authorJung, Jinyoung-
dc.contributor.authorLee, Youngju-
dc.contributor.authorKang, Sung-Ho-
dc.contributor.authorJung, Seung Won-
dc.date.accessioned2022-11-22T07:14:56Z-
dc.date.available2022-11-22T07:14:56Z-
dc.date.issued2022-06-29-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/14095-
dc.description.abstractLimited information is available regarding the phytoplankton communities in the Arctic Ocean, especially in the Chukchi Sea. We conducted research cruises in the Arctic Ocean in the late summers of 2015, 2016, 2018, and 2019, and used 18S ribosomal DNA metabarcoding to examine the dynamic changes in core phytoplankton. Environmental factors were divided into three Groups: “surface layers in low latitude”, “subsurface chlorophyll maximum layers in low latitude”, and “high latitude.” The phytoplankton community was divided into two Groups. One Group, “the phytoplankton community in lower latitudes affected by the Pacific Influx ”, comprised Dinophyta (56.33%), Bacillariophyta (22.28%), and Chlorophyta (20.77%), while the other Group, “the phytoplankton community in higher latitudes affected by the Arctic Sea ”, comprised Dinophyta (57.51%), Bacillariophyta (10.71%), and Chlorophyta (27.57%). The common phytoplankton taxa in Group of lower latitudes included 33 operational taxonomic units (OTUs) (99.04%), while the other Group included nine OTUs (98.80%). In these groups, OTUs #005 (Heterocapsa rotundata), #001 (Micromonas pusilla), and #003 (Chaetoceros gelidus) were core OTUs (>5%). These core OTUs were significantly different between the two Groups; OTU #001 and #003 were distributed at high relative abundance and rapidly increased at higher latitudes. OTU #005 showed a relatively high abundance at lower latitudes. Analysis of the indicator species revealed that 34 OTUs in lower latitudes and only one OTU (#003) in higher latitudes were observed to have a strong value of >0.8. Our results indicate that core phytoplankton taxa and community structures by latitudinal differences are highly dependent on different water masses and show their dynamic ecological responses to extreme environmental conditions.en_US
dc.languageEnglishen_US
dc.language.isoenen_US
dc.subjectEnvironmental Sciences & Ecologyen_US
dc.subjectMarine & Freshwater Biologyen_US
dc.subject.classificationAraonen_US
dc.titleEcological Responses of Core Phytoplankton by Latitudinal Differences in the Arctic Ocean in Late Summer Revealed by 18S rDNA Metabarcodingen_US
dc.title.alternative18S rDNA 메타바코딩을 활용한 늦여름 북극해에 서식하는 중요 식물플랑크톤의 위도별 생태학적 반응en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationJoo, Hyoung Min, et al. 2022. "Ecological Responses of Core Phytoplankton by Latitudinal Differences in the Arctic Ocean in Late Summer Revealed by 18S rDNA Metabarcoding". <em>FRONTIERS IN MARINE SCIENCE</em>, 9: 1-13.-
dc.citation.titleFRONTIERS IN MARINE SCIENCEen_US
dc.citation.volume9en_US
dc.identifier.doi10.3389/fmars.2022.879911-
dc.citation.startPage1en_US
dc.citation.endPage13en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2020:5.455en_US
dc.subject.keywordArctic Oceanen_US
dc.subject.keywordcore phytoplanktonen_US
dc.subject.keywordlatitudinal differencesen_US
dc.subject.keyword18S metabarcodingen_US
dc.subject.keywordnano- and pico-phytoplanktonen_US
dc.identifier.localId2022-0091-
dc.identifier.scopusid2-s2.0-85134189498-
dc.identifier.wosid000826729300001-
Appears in Collections  
2021-2021, Korea-Arctic Warming and Response of Ecosystem (21-21) / Yang, Eun Jin (PM21040)
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