ArticleCommunications earth & environment2025
Nitrogen fixation under declining Arctic sea ice.
Article in Communications earth & environment, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Particle-associated diazotrophs drive nitrogen fixation in Arctic subsurface waters of the Barents Sea.Nature communications · 2026Article
- Enhancing Role of Nitrogen Fixation in Biogeochemical Cycles of the Pacific Arctic.Global change biology · 2026Article
- Contrasting Nitrogen Fixation Between Arctic and Atlantic Waters in the Fram Strait.Microbial ecology · 2025Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
With climate change-induced sea ice decline in the Arctic Ocean, nitrogen is expected to become an increasingly important determinant of primary productivity. Nitrogen fixation is the conversion of molecular nitrogen to bioavailable ammonium by microorganisms called diazotrophs. Here, we report nitrogen fixation rates, diazotroph composition, and expression under different stages of declining sea ice in the Central Arctic Ocean (multiyear ice, five stations) and the Eurasian Arctic (marginal ice zone, seven stations). Nitrogen fixation in the Central Arctic Ocean was positively correlated with primary production, ranging from 0.4 ± 0.1 to 2.5 ± 0.87 nmol N L
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