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        <identifier>oai:fra.repo.nii.ac.jp:02001594</identifier>
        <datestamp>2025-06-30T08:55:51Z</datestamp>
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        <jpcoar:jpcoar xmlns:datacite="https://schema.datacite.org/meta/kernel-4/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcndl="http://ndl.go.jp/dcndl/terms/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:jpcoar="https://github.com/JPCOAR/schema/blob/master/1.0/" xmlns:oaire="http://namespace.openaire.eu/schema/oaire/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rioxxterms="http://www.rioxx.net/schema/v2.0/rioxxterms/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="https://github.com/JPCOAR/schema/blob/master/1.0/" xsi:schemaLocation="https://github.com/JPCOAR/schema/blob/master/1.0/jpcoar_scm.xsd">
          <dc:title xml:lang="ja">根室海峡標津沿岸域における春季の動物プランクトンの鉛直分布</dc:title>
          <dc:title xml:lang="en">Temporal Changes of Vertical Distribution of Zooplankton Communities during Spring and Early Summer in the Nemuro Strait Coastal Waters  Off Shibetsu, Eastern Hokkaido</dc:title>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="ja">関, 二郎</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">セキ, ジロウ</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Seki, Jiro</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="ja">関</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">セキ</jpcoar:familyName>
            <jpcoar:familyName xml:lang="en">Seki</jpcoar:familyName>
            <jpcoar:givenName xml:lang="ja">二郎</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">ジロウ</jpcoar:givenName>
            <jpcoar:givenName xml:lang="en">Jiro</jpcoar:givenName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="ja">斎藤, 寿彦</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">サイトウ, トシヒコ</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Saito, Toshihiko</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="ja">斎藤</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">サイトウ</jpcoar:familyName>
            <jpcoar:familyName xml:lang="en">Saito</jpcoar:familyName>
            <jpcoar:givenName xml:lang="ja">寿彦</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">トシヒコ</jpcoar:givenName>
            <jpcoar:givenName xml:lang="en">Toshihiko</jpcoar:givenName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="ja">清水, 幾太郎</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">シミズ, イクタロウ</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Shimizu, Ikutaro</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="ja">清水</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">シミズ</jpcoar:familyName>
            <jpcoar:familyName xml:lang="en">Shimizu</jpcoar:familyName>
            <jpcoar:givenName xml:lang="ja">幾太郎</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">イクタロウ</jpcoar:givenName>
            <jpcoar:givenName xml:lang="en">Ikutaro</jpcoar:givenName>
          </jpcoar:creator>
          <dcterms:accessRights rdf:resource="http://purl.org/coar/access_right/c_abf2">open access</dcterms:accessRights>
          <jpcoar:subject xml:lang="en" subjectScheme="Other">coastal waters; Zooplankton; vertical distribution; Shibetsu; Hokkaido</jpcoar:subject>
          <datacite:description xml:lang="ja" descriptionType="Abstract">北海道東部の根室海峡に面した標津沿岸域で、2001年と2002年の2年間5月から7月までの4ヶ月間にわたり動物プランクトンの鉛直分布について調べた。動物プランクトンの湿重量のピークは、2001年には6月下旬に、2002年は7月中旬に形成された。動物プランクトン湿重量は、2001年には2002年の2-16倍と多く、個体数も2001年の方が高い値を示した。優占した動物プランクトンは6月下旬までは冷水性のAcaria longiremisとPseudocalamus spp.であったが、6月下旬以降は暖水性のEvadne nordmanniとFriillaria spp．に変わった。優占したA.longiremis、PseudocalanusおよびE.nordmanniは水平的にも垂直的にも異なった分布パタンを示した。</datacite:description>
          <datacite:description xml:lang="en" descriptionType="Abstract">This paper reported the temporal changes of zooplankton biomass, characteristics of their distribution pattern and succession of items in the coastal waters off Shibetsu, eastern Hokkaido. Zooplanktons were collected with simultaneously horizontal tow nets form 2-6 different layers from May to mid July in 2001 and 2002. The zooplankton wet weight (mg/m3) in 2001 was 2 to 16 times higher than that in 2002. The number of zooplanktons in 2001 was always superior that in 2002. The zooplankton compositions were categorized clearly between 2001 and 2002 by principal component analysis. The cold living type zooplanktons (Acartia longiremis and Pseudocalanus spp.) were dominant from May to mid or late June, while they were replaced by the warm living ones (Evadne nordmanni and Fritillaria sp.) in late June to July. The change of these dominated items in 2001 was 10 days later than that in 2002. Three dominated items of A. longiremis, Pseudocalanus spp. and E. nordmanni had different distribution pattern of vertically and horizontally.</datacite:description>
          <dc:publisher xml:lang="ja">さけ・ます資源管理センター</dc:publisher>
          <dc:publisher xml:lang="en">the National Salmon Resources Center</dc:publisher>
          <datacite:date dateType="Issued">2006-03</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_6501">article</dc:type>
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          <jpcoar:identifier identifierType="URI">https://fra.repo.nii.ac.jp/records/2001594</jpcoar:identifier>
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            <jpcoar:relatedIdentifier identifierType="Local">salmon-k-k_8-5</jpcoar:relatedIdentifier>
          </jpcoar:relation>
          <jpcoar:relation>
            <jpcoar:relatedIdentifier identifierType="URI">https://agriknowledge.affrc.go.jp/RN/2010730884</jpcoar:relatedIdentifier>
            <jpcoar:relatedTitle xml:lang="ja">日本農学文献記事索引(agriknowledge)</jpcoar:relatedTitle>
          </jpcoar:relation>
          <jpcoar:sourceIdentifier identifierType="NCID">AA11339120</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="PISSN">1344-7556</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle xml:lang="ja">さけ・ます資源管理センター研究報告</jpcoar:sourceTitle>
          <jpcoar:sourceTitle xml:lang="en">Bulletin of the National Salmon Resources Center</jpcoar:sourceTitle>
          <jpcoar:volume>8</jpcoar:volume>
          <jpcoar:numPages>10</jpcoar:numPages>
          <jpcoar:pageStart>37</jpcoar:pageStart>
          <jpcoar:pageEnd>46</jpcoar:pageEnd>
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            <datacite:date dateType="Available">2024-04-05</datacite:date>
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