{"@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/1362262943578326272.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/0198-0149(87)90039-2"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0198014987900392?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0198014987900392?httpAccept=text/plain"}},{"identifier":{"@type":"NAID","@value":"80003466506"}}],"dc:title":[{"@value":"15N and 13C abundances in the Antartic Ocean with emphasis on the biogeochemical structure of the food web"}],"description":[{"notation":[{"@value":"Abstract   Distributions of δ15N and δ13C for biogenic substances in the Antarctic Ocean were investigated to construct a biogeochemical framework for assessing the Antarctic ecosystem. Phytoplankton exhibited particularly low δ15N (0.5%) and 13C (-26.9%) values in pelagic plankton samples. High nitrate concentrations, and high PCO2 in the surface waters on the southern side of the polar front and the resulting slow growth rate of phytoplankton under low light intensity are suggested as possible factors in causing the low isotopic compositions. Mean fractionation factors of 1.029 and 1.006 were estimated for photosynthetic carbon fixation and for the assimilation of inorganic nitrogeneous compounds (ammonium plus nitrate) during algal growth, respectively.  Enrichment of 15N with increasing trophic level was confirmed for Antarctic ecosystems: δ15Nanimal% = 3.3 (trophic level −1) + δ5Nalgae, whereas 13C content did not increase in the same manner. Differences in lipid content among animals may be the main factor in causing this δ13C anomaly.  15N and 13C abundance of sedimentary organic nitrogen differed from phytoplankton and settling particles. An exact mechanism for explaining the high δ15N (around 5%) is not known. The very high δ13C value of −20.5% at Sta. 3B may originate in ice algae that had grown under CO2-limited conditions.  Particles collected by sediment traps gave characteristically low δ15N values (−3.0 to 0.9%), strongly suggesting a phytoplankton origin. The δ15N and δ13C values of settling material showed similar vertical profiles with depth which might arise from temporal variation of algal growth."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262943578326273","@type":"Researcher","foaf:name":[{"@value":"Eitaro Wada"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943578326275","@type":"Researcher","foaf:name":[{"@value":"Makoto Terazaki"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943578326272","@type":"Researcher","foaf:name":[{"@value":"Yuko Kabaya"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943578326274","@type":"Researcher","foaf:name":[{"@value":"Takahisa Nemoto"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"01980149"}],"prism:publicationName":[{"@value":"Deep Sea Research Part A. Oceanographic Research Papers"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"1987-05","prism:volume":"34","prism:number":"5-6","prism:startingPage":"829","prism:endingPage":"841"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:0198014987900392?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:0198014987900392?httpAccept=text/plain"}],"createdAt":"2003-08-06","modifiedAt":"2019-03-16","relatedProduct":[{"@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 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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 article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"窒素・炭素安定同位体を用いた新食物連鎖解析法—その現状と今後—"},{"@language":"en","@value":"A New Aspect on Food Chain Analyses Using N/C Isotope Ratios —Current Perspectives—"},{"@value":"安定同位体利用技術 窒素・炭素安定同位体を用いた新食物連鎖解析法 : その現状と今後"},{"@language":"ja-Kana","@value":"アンテイ ドウイタイ リヨウ ギジュツ チッソ ・ タンソ アンテイ ドウイタイ オ モチイタ シン ショクモツ レンサ カイセキホウ : ソノ ゲンジョウ ト コンゴ"},{"@value":"A new aspect on food chain analyses using N/C isotope ratios"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204291599488","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"安定同位体フィンガープリント法(生態学会賞受賞者総説)"},{"@language":"en","@value":"Stable isotope fingerprint(ESJ Award)"},{"@value":"生態学会賞受賞者総説 安定同位体フィンガープリント法"},{"@language":"ja-Kana","@value":"セイタイ ガッカイショウ ジュショウシャ ソウセツ アンテイ ドウイタイ フィンガープリントホウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204292013568","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"瀬戸内海の生態系解析における有機物質フローの指標としての炭素・窒素安定同位体比"},{"@language":"en","@value":"Carbon and nitrogen stable isotope ratios indicative of organic matter flow in the ecosystem of the Seto Inland Sea, Japan."},{"@language":"ja-Kana","@value":"セトナイカイ ノ セイタイケイ カイセキ ニ オケル ユウキ ブッシツ フロー ノ シヒョウ ト シテ ノ タンソ チッソ アンテイ ドウイタイヒ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204293096576","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"水域生態系における安定同位体解析 (<特集>生態系の新たな切り口としての安定同位体 : 安定同位体からみえる生態系のダイナミズム)"},{"@language":"en","@value":"Stable isotope analysis in aquatic ecosystems. (<Feature> Use of stable isotopes for a new aspect of ecosystem : Ecosystem dynamism reflected in stable isotopes"},{"@value":"水域生態系における安定同位体解析"},{"@language":"ja-Kana","@value":"スイイキ セイタイケイ ニ オケル アンテイ ドウイタイ カイセキ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204427919744","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Evaluation of shrimp polyculture system in Thailand based on stable carbon and nitrogen isotope ratios."}]},{"@id":"https://cir.nii.ac.jp/crid/1390001205080087680","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Evaluations of Aquatic Environment in Koyoshi River Watershed Using Analysis of Stable Isotope Ratios in Sediment"},{"@language":"ja","@value":"底質の安定同位体比を指標とした子吉川の水環境評価"},{"@language":"ja-Kana","@value":"テイシツ ノ アンテイ ドウイタイヒ オ シヒョウ ト シタ コヨシガワ ノ ミズ カンキョウ ヒョウカ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001205227511808","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Food Web Analysis Using Stable Isotopes in a Forested Stream in Spring."},{"@value":"春期の渓流における安定同位体を用いた食物網解析"},{"@language":"ja-Kana","@value":"シュンキ ノ ケイリュウ ニ オケル アンテイ ドウイタイ オ モチイタ ショクモツモウ カイセキ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390014580469602304","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A new era of isotope ecology: Nitrogen isotope ratio of amino acids as an approach for unraveling modern and ancient food web"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679268327936","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"広島湾における海藻の炭素・窒素安定同位体比の分布特性"},{"@language":"en","@value":"Distribution of carbon and nitrogen stable isotope ratios in macroalgae in Hiroshima Bay"},{"@language":"ja-Kana","@value":"ヒロシマワン ニ オケル カイソウ ノ タンソ チッソ アンテイ ドウイタイヒ ノ ブンプ トクセイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679405895680","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Distribution of stable carbon isotope ration in Sargassum plants."},{"@value":"Distribution of stable carbon isotope ratio in Sargassum plants"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679405917056","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Diet and stable isotope ratios of gut contents and gonad of the sea urchin Anthocidaris crassispina (A. Agassiz) in two different adjacent habitats, the Sargassum area and Corallina area"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679526191104","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Stable carbon and nitrogen isotopic compositions of sinking particles in the northeast Japan Sea."}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679528046976","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Paleo-environmental evolution as revealed by analysis of organic carbon and nitrogen: A case of coastal Taipei Basin in Northern Taiwan"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679676912128","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Behavior of Stable Isotope Ratios of Attached Matter in a Drainage Canal"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679697144960","@type":"Article","resourceType":"学術雑誌論文(journal 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Speculated on the Basis of Carbon and Nitrogen Stable Isotope Ratios"},{"@value":"炭素・窒素安定同位対比分布から推察した安芸灘に生息する底生動物群集の炭素供給源"},{"@language":"ja-Kana","@value":"タンソ チッソ アンテイ ドウイ タイヒ ブンプ カラ スイサツ シタ アキナダ ニ セイソク スル テイセイ ドウブツ グンシュウ ノ タンソ キョウキュウ ゲン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390307579407259392","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"炭素・窒素安定同位体比から推察した晩春期の瀬戸内海西部海域におけるヒメジンドウイカ<i>Loliolus sumatrensis</i>の生息場所および栄養段階"},{"@language":"en","@value":"Habitat Use and Trophic Positions of Kobi Squid <i>Loliolus sumatrensis</i> in the Western Seto Inland Sea in Late Spring Inferred from Carbon and Nitrogen Stable Isotope Ratios"},{"@value":"Habitat use and trophic positions of Kobi squid Loliolus sumatrensis in the western Seto Inland Sea in late spring inferred from carbon and nitrogen isotope ratios"}]},{"@id":"https://cir.nii.ac.jp/crid/1390576369477049984","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Stable isotope differences among species, sexes, and breeding stages of Laysan and Black-footed Albatrosses in the western North Pacific"}]},{"@id":"https://cir.nii.ac.jp/crid/1520009408760922624","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"流域研究における標準的指標としての安定同位体比の利用"},{"@language":"ja-Kana","@value":"リュウイキ ケンキュウ ニ オケル ヒョウジュンテキ シヒョウ ト シテ ノ アンテイ ドウイタイヒ ノ リヨウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520010380565057280","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"Reconstruction of Seasonal Variation in Nutrient Budget of a Surface Mixed Layer Using δ15N of Sinking Particle Collected by a Time-Series Sediment Trap System"},{"@language":"ja-Kana","@value":"Reconstruction of Seasonal Variation in"}]},{"@id":"https://cir.nii.ac.jp/crid/1520290883442252032","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"Carbon and Nitrogen Stable Isotope Ratios Analysis of Food Sources for Chironomus acerbiphilus larvae(Diptera Chironomidae) in Strongly Acidic Lake Katanuma"},{"@language":"ja-Kana","@value":"Carbon and Nitrogen Stable Isotope Ratios Analysis of Food Sources for Chironomus acerbiphilus larvae Diptera Chironomidae in Strongly Acidic Lake Katanuma"}]},{"@id":"https://cir.nii.ac.jp/crid/1520290885222412160","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"生物圏における安定同位体分布と地球環境"},{"@language":"ja-Kana","@value":"セイブツケン ニ オケル アンテイ ドウイタイ ブンプ ト チキュウ カンキョ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572359393937536","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"安定同位体利用技術 生態学指標としての安定同位体--アミノ酸の窒素同位体分析による新展開"},{"@language":"ja-Kana","@value":"アンテイ ドウイタイ リヨウ ギジュツ セイタイガク シヒョウ ト シテ ノ アンテイ ドウイタイ アミノサン ノ チッソ ドウイタイ ブンセキ ニ ヨル シン テンカイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572360196564224","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"Effects of Growth and Change of Food on the δ15N in Marine Fishes"},{"@language":"ja-Kana","@value":"Effects of Growth and Change of Food on"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572360201048704","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"Horizontal and Vertical Isotopic Model of Lake Biwa Ecosystem"},{"@language":"ja-Kana","@value":"Horizontal and Vertical Isotopic Model of Lake Biwa Ecosystem"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572360261744896","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"安定同位体比による水圏生態系構造の解明"},{"@language":"ja-Kana","@value":"アンテイ ドウイタイヒ ニヨル スイケン セイタイケイ コウゾウ ノ 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