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Showing 1–5 of 5 results
Advanced filters: Author: Laura Hehemann Clear advanced filters

  • Phytoplankton blooms provoke bacterioplankton blooms, from which bacterial biomass (necromass) is released via zooplankton grazing and viral lysis. Here, Beidler et al. show that the bacterial biomass, including alpha-glucan polysaccharides generated from the consumption of algal organic matter, is reused by microbes in vitro and during a diatom-dominated bloom.

    • Irena Beidler
    • Nicola Steinke
    • Thomas Schweder
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-15

  • Microplastic (MP) pollution in polar regions is a growing environmental concern, yet little is known regarding the role of sea-ice as a sink and transport vector of MPs. Here, the authors show that MPs in sea-ice have no uniform polymer composition and observe unique MP patterns in different sea-ice horizons.

    • Ilka Peeken
    • Sebastian Primpke
    • Gunnar Gerdts
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-12

  • Fadeev et al. explore carbon export dynamics along the water column using microscopic analysis, 16S rRNA gene amplicon sequencing, and physical modeling of data from long-term sediment traps in the Fram Strait. Their results indicate that larger aggregates from sea-ice and under-ice diatom blooms are responsible for higher export efficiency and vertical microbial connectivity, suggesting that continuous sea-ice loss may result in decreased pelagic-benthic coupling, with resultant impacts on marine food webs.

    • Eduard Fadeev
    • Andreas Rogge
    • Morten H. Iversen
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-13