Freshwater biota and rising pCO2?

Caleb T. Hasler, David Butman, Jennifer D. Jeffrey, Cory D. Suski

Research output: Contribution to journalReview article

Abstract

Rising atmospheric carbon dioxide (CO2) has caused a suite of environmental issues, however, little is known about how the partial pressure of CO2 (pCO2) in freshwater will be affected by climate change. Freshwater pCO2 varies across systems and is controlled by a diverse array of factors, making it difficult to make predictions about future levels of pCO2. Recent evidence suggests that increasing levels of atmospheric CO2 may directly increase freshwater pCO2 levels in lakes, but rising atmospheric CO2 may also indirectly impact freshwater pCO2 levels in a variety of systems by affecting other contributing factors such as soil respiration, terrestrial productivity and climate regimes. Although future freshwater pCO2 levels remain uncertain, studies have considered the potential impacts of changes to pCO2 levels on freshwater biota. Studies to date have focused on impacts of elevated pCO2 on plankton and macrophytes, and have shown that phytoplankton nutritional quality is reduced, plankton community structure is altered, photosynthesis rates increase and macrophyte distribution shifts with increasing pCO2. However, a number of key knowledge gaps remain and gaining a better understanding of how freshwater pCO2 levels are regulated and how these levels may impact biota, will be important for predicting future responses to climate change. Copyright

Original languageEnglish (US)
Pages (from-to)98-108
Number of pages11
JournalEcology Letters
Volume19
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

biota
carbon dioxide
organisms
plankton
climate change
soil respiration
partial pressure
macrophyte
environmental issue
photosynthesis
community structure
phytoplankton
macrophytes
productivity
lake
climate
prediction
nutritive value
lakes

Keywords

  • Acidification
  • Climate change
  • Freshwater ecology

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Hasler, C. T., Butman, D., Jeffrey, J. D., & Suski, C. D. (2016). Freshwater biota and rising pCO2? Ecology Letters, 19(1), 98-108. https://doi.org/10.1111/ele.12549

Freshwater biota and rising pCO2? / Hasler, Caleb T.; Butman, David; Jeffrey, Jennifer D.; Suski, Cory D.

In: Ecology Letters, Vol. 19, No. 1, 01.01.2016, p. 98-108.

Research output: Contribution to journalReview article

Hasler, CT, Butman, D, Jeffrey, JD & Suski, CD 2016, 'Freshwater biota and rising pCO2?', Ecology Letters, vol. 19, no. 1, pp. 98-108. https://doi.org/10.1111/ele.12549
Hasler CT, Butman D, Jeffrey JD, Suski CD. Freshwater biota and rising pCO2? Ecology Letters. 2016 Jan 1;19(1):98-108. https://doi.org/10.1111/ele.12549
Hasler, Caleb T. ; Butman, David ; Jeffrey, Jennifer D. ; Suski, Cory D. / Freshwater biota and rising pCO2?. In: Ecology Letters. 2016 ; Vol. 19, No. 1. pp. 98-108.
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