ArticleScientific reports2020
The influence of Arctic Fe and Atlantic fixed N on summertime primary production in Fram Strait, North Greenland Sea.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- The Arctic Ocean is a net sink for anthropogenic lead deposited into the Atlantic Ocean.Nature communications · 2025Article
- Contrasting Nitrogen Fixation Between Arctic and Atlantic Waters in the Fram Strait.Microbial ecology · 2025Article
- Impact of baleen whales on ocean primary production across space and time.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Response of Arctic benthic foraminiferal traits to past environmental changes.Scientific reports · 2023Article
- Global analysis of ocean phytoplankton nutrient limitation reveals high prevalence of co-limitation.Nature communications · 2023Article
- Vertical redistribution of principle water masses on the Northeast Greenland Shelf.Nature communications · 2022Article
- Nutrient pathways and their susceptibility to past and future change in the Eurasian Arctic Ocean.Ambio · 2022Article
- The 79°N Glacier cavity modulates subglacial iron export to the NE Greenland Shelf.Nature communications · 2021Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Climate change has led to a ~ 40% reduction in summer Arctic sea-ice cover extent since the 1970s. Resultant increases in light availability may enhance phytoplankton production. Direct evidence for factors currently constraining summertime phytoplankton growth in the Arctic region is however lacking. GEOTRACES cruise GN05 conducted a Fram Strait transect from Svalbard to the NE Greenland Shelf in summer 2016, sampling for bioessential trace metals (Fe, Co, Zn, Mn) and macronutrients (N, Si, P) at ~ 79°N. Five bioassay experiments were conducted to establish phytoplankton responses to additions of Fe, N, Fe + N and volcanic dust. Ambient nutrient concentrations suggested N and Fe were deficient in surface seawater relative to typical phytoplankton requirements. A west-to-east trend in the relative deficiency of N and Fe was apparent, with N becoming more deficient towards Greenland and Fe more deficient towards Svalbard. This aligned with phytoplankton responses in bioassay experiments, which showed greatest chlorophyll-a increases in + N treatment near Greenland and + N + Fe near Svalbard. Collectively these results suggest primary N limitation of phytoplankton growth throughout the study region, with conditions potentially approaching secondary Fe limitation in the eastern Fram Strait. We suggest that the supply of Atlantic-derived N and Arctic-derived Fe exerts a strong control on summertime nutrient stoichiometry and resultant limitation patterns across the Fram Strait region.
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Registered trials
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