ArticleScientific reports2016
Allochthonous carbon is a major regulator to bacterial growth and community composition in subarctic freshwaters.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 58 citations in OpenAlex.
- Freshwater biodiversity in a rapidly changing Arctic: An expert horizon scan of key research questions.Ambio · 2026Review
- Dissolved organic matter specialization drives temporal dynamics of simplified bacterial communities in a microcosm experiment.ISME communications · 2026Article
- Diverse winter communities and biogeochemical cycling potential in the under-ice microbial plankton of a subarctic river-to-sea continuum.Microbiology spectrum · 2024Article
- Treeline displacement may affect lake dissolved organic matter processing at high latitudes and altitudes.Nature communications · 2024Article
- Bacterioplankton Communities in Dissolved Organic Carbon-Rich Amazonian Black Water.Microbiology spectrum · 2023Article
- Size-Fractionated Microbiome Structure in Subarctic Rivers and a Coastal Plume Across DOC and Salinity Gradients.Frontiers in microbiology · 2021Article
- Composition Wheels: Visualizing dissolved organic matter using common composition metrics across a variety of Canadian ecozones.PloS one · 2021Article
- Distinct Coastal Microbiome Populations Associated With Autochthonous- and Allochthonous-Like Dissolved Organic Matter.Frontiers in microbiology · 2019Article
- Feasting on terrestrial organic matter: Dining in a dark lake changes microbial decomposition.Global change biology · 2018Article
- Agricultural Freshwater Pond Supports Diverse and Dynamic Bacterial and Viral Populations.Frontiers in microbiology · 2018Article
- Contribution of point sources and non-point sources to nutrient and carbon loads and their influence on the trophic status of the Ganga River at Varanasi, India.Environmental monitoring and assessment · 2017Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the subarctic region, climate warming and permafrost thaw are leading to emergence of ponds and to an increase in mobility of catchment carbon. As carbon of terrestrial origin is increasing in subarctic freshwaters the resource pool supporting their microbial communities and metabolism is changing, with consequences to overall aquatic productivity. By sampling different subarctic water bodies for a one complete year we show how terrestrial and algal carbon compounds vary in a range of freshwaters and how differential organic carbon quality is linked to bacterial metabolism and community composition. We show that terrestrial drainage and associated nutrients supported higher bacterial growth in ponds and river mouths that were influenced by fresh terrestrial carbon than in large lakes with carbon from algal production. Bacterial diversity, however, was lower at sites influenced by terrestrial carbon inputs. Bacterial community composition was highly variable among different water bodies and especially influenced by concentrations of dissolved organic carbon (DOC), fulvic acids, proteins and nutrients. Furthermore, a distinct preference was found for terrestrial vs. algal carbon among certain bacterial tribes. The results highlight the contribution of the numerous ponds to cycling of terrestrial carbon in the changing subarctic and arctic regions.
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Registered trials
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