ArticlePloS one2017
Elevated pCO2 enhances bacterioplankton removal of organic carbon.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Oxidation state of bioavailable dissolved organic matter influences bacterioplankton respiration and growth efficiency.Communications biology · 2025Article
- Short-Term Effects of Climate Change on Planktonic Heterotrophic Prokaryotes in a Temperate Coastal Lagoon: Temperature Is Good, Ultraviolet Radiation Is Bad, and COMicroorganisms · 2023Article
- Article
- High-Frequency Variability of Bacterioplankton in Response to Environmental Drivers in Red Sea Coastal Waters.Frontiers in microbiology · 2022Article
- Population dynamics ofFrontiers in microbiology · 2022Article
- Organic Matter Composition at Ocean Station Papa Affects Its Bioavailability, Bacterioplankton Growth Efficiency and the Responding Taxa.Frontiers in Marine Science · 2021Article
- Effect of Ocean Acidification on Bacterial Metabolic Activity and Community Composition in Oligotrophic Oceans, Inferred From Short-Term Bioassays.Frontiers in microbiology · 2021Article
- Viral-Mediated Microbe Mortality Modulated by Ocean Acidification and Eutrophication: Consequences for the Carbon Fluxes Through the Microbial Food Web.Frontiers in microbiology · 2021Article
- Ocean acidification modifies biomolecule composition in organic matter through complex interactions.Scientific reports · 2020Article
- Biogeochemical transformation of greenhouse gas emissions from terrestrial to atmospheric environment and potential feedback to climate forcing.Environmental science and pollution research international · 2020Review
Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
Factors that affect the removal of organic carbon by heterotrophic bacterioplankton can impact the rate and magnitude of organic carbon loss in the ocean through the conversion of a portion of consumed organic carbon to CO2. Through enhanced rates of consumption, surface bacterioplankton communities can also reduce the amount of dissolved organic carbon (DOC) available for export from the surface ocean. The present study investigated the direct effects of elevated pCO2 on bacterioplankton removal of several forms of DOC ranging from glucose to complex phytoplankton exudate and lysate, and naturally occurring DOC. Elevated pCO2 (1000-1500 ppm) enhanced both the rate and magnitude of organic carbon removal by bacterioplankton communities compared to low (pre-industrial and ambient) pCO2 (250 -~400 ppm). The increased removal was largely due to enhanced respiration, rather than enhanced production of bacterioplankton biomass. The results suggest that elevated pCO2 can increase DOC consumption and decrease bacterioplankton growth efficiency, ultimately decreasing the amount of DOC available for vertical export and increasing the production of CO2 in the surface ocean.
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