{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362262944628574208.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.4319/lo.1999.44.3.0502"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.4319%2Flo.1999.44.3.0502"}},{"identifier":{"@type":"URI","@value":"https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.4319/lo.1999.44.3.0502"}}],"dc:title":[{"@value":"Stable isotope analyses of the pelagic food web in Lake Baikal"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Stable isotope ratios of various organisms were analyzed to elucidate food web structure in the pelagic zone of Lake Baikal. The pelagic food web of Lake Baikal is simple and consists of five major ecological groups: phytoplankton (<jats:italic>Aulacoseira baicalensis</jats:italic>), mesozooplankton (<jats:italic>Epischura baicalensis</jats:italic>), macrozooplankton amphipod (<jats:italic>Macrohectopus branickii</jats:italic>), fish (<jats:italic>Coregonus autumnalis migratorius</jats:italic> and four species of cottoid fishes), and seal (<jats:italic>Phoca sibirica</jats:italic>). Because of the low diversity and consequently small number of possible diets for each species, we were able to quantitatively estimate the diet composition of each animal with stable isotopes. Our carbon isotope data indicated that pelagic phytoplankton are the primary carbon source of the pelagic food web because δ<jats:sup>13</jats:sup>C levels of animals were close to those of pelagic phytoplankton. The δ<jats:sup>15</jats:sup>N levels of animals showed a clear trend of stepwise enrichment with trophic level according to the following equation: δ<jats:sup>15</jats:sup>N (‰) = 3.3 (Trophic Level – 1) – 3.8. In addition to interspecific food web analysis, important pelagic animals, such as <jats:italic>M. branickii</jats:italic>, two species of pelagic sculpin, <jats:italic>C. autumnalis</jats:italic> migratorius, and P. sibirica, were also examined, with emphasis on ontogenic diet changes. δ<jats:sup>15</jats:sup>N levels of <jats:italic>M. branickii</jats:italic> and sculpins increased with body length, suggesting a change in feeding habits during growth. We demonstrate that carbon and nitrogen stable isotopes can be successfully applied to elucidate trophic relationships and conclude that the pelagic food web of Lake Baikal has an ideal, isotopically ordered structure.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262944628574208","@type":"Researcher","foaf:name":[{"@value":"Koichi Yoshii"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574214","@type":"Researcher","foaf:name":[{"@value":"Natalia G. Melnik"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574209","@type":"Researcher","foaf:name":[{"@value":"Oleg A. Timoshkin"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574213","@type":"Researcher","foaf:name":[{"@value":"Nina A. Bondarenko"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574212","@type":"Researcher","foaf:name":[{"@value":"Pavel N. Anoshko"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574211","@type":"Researcher","foaf:name":[{"@value":"Takahito Yoshioka"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944628574210","@type":"Researcher","foaf:name":[{"@value":"Eitaro Wada"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00243590"},{"@type":"EISSN","@value":"19395590"},{"@type":"PISSN","@value":"https://id.crossref.org/issn/00243590"},{"@type":"PISSN","@value":"http://id.crossref.org/issn/00243590"}],"prism:publicationName":[{"@value":"Limnology and Oceanography"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"1999-05","prism:volume":"44","prism:number":"3","prism:startingPage":"502","prism:endingPage":"511"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.4319%2Flo.1999.44.3.0502"},{"@id":"https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.4319/lo.1999.44.3.0502"}],"createdAt":"2010-05-31","modifiedAt":"2023-10-29","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004230289126656","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"δ\n                    <sup>13</sup>\n                    C and δ\n                    <sup>15</sup>\n                    N values in scales of\n                    <i>Micropterus salmoides</i>\n                    largemouth bass as a freshwater environmental indicator"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004231449040768","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Possible ideas on carbon and nitrogen trophic fractionation of food chains: a new aspect of food‐chain stable isotope analysis in Lake Biwa, Lake Baikal, and the Mongolian grasslands"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004232469325952","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Biological nitrate utilization in south Siberian lakes (Baikal and Hovsgol) during the Last Glacial period: the influence of climate change on primary productivity"}]},{"@id":"https://cir.nii.ac.jp/crid/1360302866861955200","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Multi-cusped postcanine teeth are associated with zooplankton feeding in phocid seals"}]},{"@id":"https://cir.nii.ac.jp/crid/1360846639463553920","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"High‐resolution food webs based on nitrogen isotopic composition of amino acids"}]},{"@id":"https://cir.nii.ac.jp/crid/1360861704777266816","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Trophic sources and pathways of mesozooplankton and fish larvae in the Kuroshio and its neighboring waters based on stable isotope ratios of carbon and nitrogen"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204061653760","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Study of primary production magnitude under the thermocline (20-25 m) and the continuous supporting mechanism of production in Lake Pumayum Co, Tibetan Plateau"},{"@language":"ja","@value":"チベット高原・プマユムツォ湖の水温躍層(20-25 m)以深における一次生産の規模とその維持機構に関する検討"},{"@language":"ja-Kana","@value":"チベット コウゲン ・ プマユムツォコ ノ スイオンヤクソウ(20-25m)イシン ニ オケル イチジ セイサン ノ キボ ト ソノ イジ キコウ ニ カンスル ケントウ"},{"@value":"Study of primary production magnitude under the thermocline (20–25m) and the continuous supporting mechanism of production in Lake Pumoyum Co, Tibetan Plateau"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204145237120","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Stable .DELTA.15N and .DELTA.13C isotope ratios in aquatic ecosystems"},{"@value":"Stable δ[15]N and δ[13]C isotope ratios in aquatic ecosystems"},{"@language":"ja-Kana","@value":"Stable d 15 N and d 13 C isotope ratios in aquatic ecosystems"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204157549696","@type":"Article","resourceType":"学術雑誌論文(journal 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