ArticleCommunications biology2021
Sea ice presence is linked to higher carbon export and vertical microbial connectivity in the Eurasian Arctic Ocean.
Article in Communications biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Particle-associated diazotrophs drive nitrogen fixation in Arctic subsurface waters of the Barents Sea.Nature communications · 2026Article
- Sea Ice Loss leads to regime shifts in the arctic biological pump.Nature communications · 2025Article
- Unveiling pelagic-benthic coupling associated with the biological carbon pump in the Fram Strait (Arctic Ocean).Nature communications · 2025Article
- Suspended detrital particles support a distinct microbial ecosystem in Palmer Canyon, Antarctica, a coastal biological hotspot.Polar biology · 2025Article
- Eddy-driven diazotroph distribution in the subtropical North Atlantic: horizontal variability prevails over particle sinking speed.Communications biology · 2024Article
- Release of ballast material during sea-ice melt enhances carbon export in the Arctic Ocean.PNAS nexus · 2024Article
- Sea-ice melt determines seasonal phytoplankton dynamics and delimits the habitat of temperate Atlantic taxa as the Arctic Ocean atlantifies.ISME communications · 2024Article
- Article
- Biogeographic Analysis Suggests Two Types of Planktonic Prokaryote Communities in the Barents Sea.Biology · 2023Article
- Atlantic water influx and sea-ice cover drive taxonomic and functional shifts in Arctic marine bacterial communities.The ISME journal · 2023Article
- Reduced efficiency of pelagic-benthic coupling in the Arctic deep sea during lower ice cover.Scientific reports · 2023Article
- Impact of particle flux on the vertical distribution and diversity of size-fractionated prokaryotic communities in two East Antarctic polynyas.Frontiers in microbiology · 2023Article
- Sea-ice derived meltwater stratification slows the biological carbon pump: results from continuous observations.Nature communications · 2021Article
- The polar night shift: seasonal dynamics and drivers of Arctic Ocean microbiomes revealed by autonomous sampling.ISME communications · 2021Article
- Spatially resolved assembly, connectivity and structure of particle-associated and free-living bacterial communities in a high Arctic fjord.FEMS microbiology ecology · 2021Article
- Spatial Distribution of Arctic Bacterioplankton Abundance Is Linked to Distinct Water Masses and Summertime Phytoplankton Bloom Dynamics (Fram Strait, 79°N).Frontiers in microbiology · 2021Article
- Comparison of Two 16S rRNA Primers (V3-V4 and V4-V5) for Studies of Arctic Microbial Communities.Frontiers in microbiology · 2021Article
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Authors and funding
11 authors.
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Abstract
Arctic Ocean sea ice cover is shrinking due to warming. Long-term sediment trap data shows higher export efficiency of particulate organic carbon in regions with seasonal sea ice compared to regions without sea ice. To investigate this sea-ice enhanced export, we compared how different early summer phytoplankton communities in seasonally ice-free and ice-covered regions of the Fram Strait affect carbon export and vertical dispersal of microbes. In situ collected aggregates revealed two-fold higher carbon export of diatom-rich aggregates in ice-covered regions, compared to Phaeocystis aggregates in the ice-free region. Using microbial source tracking, we found that ice-covered regions were also associated with more surface-born microbial clades exported to the deep sea. Taken together, our results showed that ice-covered regions are responsible for high export efficiency and provide strong vertical microbial connectivity. Therefore, continuous sea-ice loss may decrease the vertical export efficiency, and thus the pelagic-benthic coupling, with potential repercussions for Arctic deep-sea ecosystems.
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