ArticleProceedings of the National Academy of Sciences of the United States of America2022
Glacial meltwater determines the balance between autotrophic and heterotrophic processes in a Greenland fjord.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Contrasting Nitrogen Fixation Between Arctic and Atlantic Waters in the Fram Strait.Microbial ecology · 2025Article
- Ecosystem metabolism and nitrogen budget of a glacial Fjord in the Arctic.Scientific reports · 2025Article
- Microbial communities in glacial lakes of Glacier National Park, MT, USA.FEMS microbiology ecology · 2025Article
- Metabolic diversity and adaptation of carbon-fixing microorganisms in extreme glacial cryoconite.ISME communications · 2025Article
- A Close Look at Dissolved Silica Dynamics in Disko Bay, West Greenland.Global biogeochemical cycles · 2025Article
- Short-term virus-host interactions and functional dynamics in recently deglaciated Antarctic tundra soils.ISME communications · 2025Article
- Kelp forest community structure and demography in Kongsfjorden (Svalbard) across 25 years of Arctic warming.Ecology and evolution · 2024Article
- Productivity of Spitsbergen fjords ecosystems in summer-Spatial changes of in situ primary production in Kongsfjorden and Hornsund in the period 1994-2019.Ecology and evolution · 2024Article
- Seasonal lipid dynamics of four Arctic bivalves: Implications for their physiological capacities to cope with future changes in coastal ecosystems.Ecology and evolution · 2023Article
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Authors and funding
9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Global warming accelerates melting of glaciers and increases the supply of meltwater and associated inorganic particles, nutrients, and organic matter to adjacent coastal seas, but the ecosystem impact is poorly resolved and quantified. When meltwater is delivered by glacial rivers, the potential impact could be a reduction in light and nutrient availability for primary producers while supplying allochthonous carbon for heterotrophic processes, thereby tipping the net community metabolism toward heterotrophy. To test this hypothesis, we determined physical and biogeochemical parameters along a 110-km fjord transect in NE Greenland fjord, impacted by glacial meltwater from the Greenland Ice Sheet. The meltwater is delivered from glacier-fed river outlets in the inner parts of the fjord, creating a gradient in salinity and turbidity. The planktonic primary production was low, 20-45 mg C m
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