ArticleScientific reports2016
Ocean acidification reverses the positive effects of seawater pH fluctuations on growth and photosynthesis of the habitat-forming kelp, Ecklonia radiata.
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 21 papers.
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21 citing papers in PubMed, 104 citations in OpenAlex.
- Effects of Simulated Herbivory on the Thermal Resilience of Two Temperate Seagrass Species.Ecology and evolution · 2026Article
- Light limitation and water velocity modify the impacts of simulated marine heatwaves on juvenile giant kelp.Journal of phycology · 2025Article
- Assessing the role of natural kelp forests in modifying seawater chemistry.Scientific reports · 2024Article
- Review
- Understanding change in benthic marine systems.Annals of botany · 2024Review
- Cool-edge populations of the kelpProceedings. Biological sciences · 2024Article
- Water motion and pH jointly impact the availability of dissolved inorganic carbon to macroalgae.Scientific reports · 2022Article
- Net effect of environmental fluctuations in multiple global-change drivers across the tree of life.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- A framework to understand the role of biological time in responses to fluctuating climate drivers.Scientific reports · 2022Article
- The Marine GastropodFrontiers in physiology · 2021Article
- Fragmented kelp forest canopies retain their ability to alter local seawater chemistry.Scientific reports · 2020Article
- Article
- Understanding interactions between plasticity, adaptation and range shifts in response to marine environmental change.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2019Review
- Seagrass can mitigate negative ocean acidification effects on calcifying algae.Scientific reports · 2019Article
- Future COPeerJ · 2019Article
- Responses of macroalgae to COEcology and evolution · 2019Article
- Reduced resistance to sediment-trapping turfs with decline of native kelp and establishment of an exotic kelp.Oecologia · 2018Article
- Resistance of corals and coralline algae to ocean acidification: physiological control of calcification under natural pH variability.Proceedings. Biological sciences · 2018Article
- Article
- Inorganic carbon physiology underpins macroalgal responses to elevated COScientific reports · 2017Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ocean acidification (OA) is the reduction in seawater pH due to the absorption of human-released CO2 by the world's oceans. The average surface oceanic pH is predicted to decline by 0.4 units by 2100. However, kelp metabolically modifies seawater pH via photosynthesis and respiration in some temperate coastal systems, resulting in daily pH fluctuations of up to ±0.45 units. It is unknown how these fluctuations in pH influence the growth and physiology of the kelp, or how this might change with OA. In laboratory experiments that mimicked the most extreme pH fluctuations measured within beds of the canopy-forming kelp Ecklonia radiata in Tasmania, the growth and photosynthetic rates of juvenile E. radiata were greater under fluctuating pH (8.4 in the day, 7.8 at night) than in static pH treatments (8.4, 8.1, 7.8). However, pH fluctuations had no effect on growth rates and a negative effect on photosynthesis when the mean pH of each treatment was reduced by 0.3 units. Currently, pH fluctuations have a positive effect on E. radiata but this effect could be reversed in the future under OA, which is likely to impact the future ecological dynamics and productivity of habitats dominated by E. radiata.
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