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  • What's Plankton？

    • 1 Diversity of plankton and quantitative methods for each taxon
      1 Diversity of plankton and quantitative methods for each taxon
       2 Plankton community
      2 Plankton community
       3 Copepods
      3 Copepods
       4 Middle Caranum copepods
      4 Middle Caranum copepods

  • Plankton in the Arctic

    • Effect of sea-ice reduction on zooplankton in the Arctic Ocean
      Effect of sea-ice reduction on zooplankton in the Arctic Ocean
       Clarifying the Life History of the Same Family of Five Zooplankton in the Arctic Ocean
      Clarifying the Life History of the Same Family of Five Zooplankton in the Arctic Ocean
       Clarifying the Life History of Two Zooplankton Species in the Arctic Ocean
      Clarifying the Life History of Two Zooplankton Species in the Arctic Ocean
       Early Arctic Sea Ice Melting Reduces Large Plankton
      Early Arctic Sea Ice Melting Reduces Large Plankton

    • Research Vessel “Mirai”  Arctic cruise in 2019【Survey Videos】

       Plankton net preparations
      Plankton net preparations
       Raising the CTD
      Raising the CTD
       Plankton net operation 1
      Plankton net operation 1
       Plankton net operation 2
      Plankton net operation 2
       Operation of closing PCP net 1
      Operation of closing PCP net 1
       Operation of closing PCP net 2
      Operation of closing PCP net 2
       Sorting zooplankton on board
      Sorting zooplankton on board
       Marginal sea-ice zone
      Marginal sea-ice zone
       Plankton net observation in marginal sea-ice zone
      Plankton net observation in marginal sea-ice zone

    • Videos of “Mirai” Expedition to the North Pole in 2019 are summarized here.

       Expedition to the North Pole
      Expedition to the North Pole

  • Plankton associated with red tide

    • Analysis of the horizontal distribution of harmful red tides along the Pacific coast of Hokkaido, Japan, in autumn 2021
      Analysis of the horizontal distribution of harmful red tides along the Pacific coast of Hokkaido, Japan, in autumn 2021
       Phytoplankton observation of red tide in east Hokkaido
      Phytoplankton observation of red tide in east Hokkaido
       Toxic substances produced by dinoflagellates that cause red tides
      Toxic substances produced by dinoflagellates that cause red tides

  • Plankton Survey

    • MTD Horizontal net
      MTD Horizontal net
       Plankton Survey off Esan, Hokkaido
      Plankton Survey off Esan, Hokkaido
       Zooplankton survey in Lake Saroma in winter
      Zooplankton survey in Lake Saroma in winter
       Collection of planktonic organisms by plankton nets
      Collection of planktonic organisms by plankton nets
       Training of Marine Ecology 1: Marine Environment and Phytoplankton
      Training of Marine Ecology 1: Marine Environment and Phytoplankton
       A New Quantitative Method for Zooplankton Faecal Pellets in the Field
      A New Quantitative Method for Zooplankton Faecal Pellets in the Field

  • Phytoplankton

    • Optical Characteristics of Seawater – Viewing Phytoplankton from a Satellite–
      Optical Characteristics of Seawater – Viewing Phytoplankton from a Satellite–
       Isoprene Production by Phytoplankton
      Isoprene Production by Phytoplankton

  • Related LASBOScards

    • 020 Copepoda Neocalanus cristatus
      020 Copepoda Neocalanus cristatus
      021 Copepoda Eucalanus bungii
      021 Copepoda Eucalanus bungii
      022 Copepoda Calanus hyperboreus
      022 Copepoda Calanus hyperboreus
      023 Parasitic ciliates in Heterorhabdus tanneri
      023 Parasitic ciliates in Heterorhabdus tanneri

  • 【 Related Courses 】

    • Research Introduction Reseach Methods Laboratorywork Fieldwork The Arctic Ocean  Red tides Marine Biology Marine bioresources Chemistry Trainig Ship