Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification. / Short, J.A.; Pedersen, Ole; Kendrick, G.A.

In: Estuarine, Coastal and Shelf Science, Vol. 164, 2015, p. 463-470.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Short, JA, Pedersen, O & Kendrick, GA 2015, 'Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification', Estuarine, Coastal and Shelf Science, vol. 164, pp. 463-470. https://doi.org/10.1016/j.ecss.2015.08.006

APA

Short, J. A., Pedersen, O., & Kendrick, G. A. (2015). Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification. Estuarine, Coastal and Shelf Science, 164, 463-470. https://doi.org/10.1016/j.ecss.2015.08.006

Vancouver

Short JA, Pedersen O, Kendrick GA. Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification. Estuarine, Coastal and Shelf Science. 2015;164:463-470. https://doi.org/10.1016/j.ecss.2015.08.006

Author

Short, J.A. ; Pedersen, Ole ; Kendrick, G.A. / Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification. In: Estuarine, Coastal and Shelf Science. 2015 ; Vol. 164. pp. 463-470.

Bibtex

@article{baf7cd5f95b24405987157ea94eaa091,
title = "Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification",
abstract = "The presence of epiphytic turf algae may modify the effects of ocean acidification on coralline algal calcification rates by altering seawater chemistry within the diffusive boundary layer (DBL) above coralline algal crusts. We used microelectrodes to measure the effects of turf algal epiphytes on seawater pH and the partial pressure of oxygen (pO2) within the DBL at the surface of Hydrolithoideae coralline algal crusts under ambient (36 Pa) CO2 and an ocean acidification scenario with elevated CO2 (200 Pa). Turf algae significantly increased the mean diel amplitude of pH and pO2, and this effect was more pronounced under elevated CO2. We suggest that increases in seawater CO2 under ocean acidification conditions may drive an increase in the abundance of epiphytic turf algae, consequently modifying the chemistry within the DBL. Thus, the effect of epiphytic turf algae on microscale pH is striking and will likely affect coralline algal response to ocean acidification, highlighting the importance of understanding the effects of environmental change on species interactions.",
keywords = "Acidification, Calcification, Coralline algae, Diffusive boundary layer, pH, Photosynthesis",
author = "J.A. Short and Ole Pedersen and G.A. Kendrick",
year = "2015",
doi = "10.1016/j.ecss.2015.08.006",
language = "English",
volume = "164",
pages = "463--470",
journal = "Estuarine, Coastal and Shelf Science",
issn = "0272-7714",
publisher = "Academic Press",

}

RIS

TY - JOUR

T1 - Turf algal epiphytes metabolically induce local pH increase, with implications for underlying coralline algae under ocean acidification

AU - Short, J.A.

AU - Pedersen, Ole

AU - Kendrick, G.A.

PY - 2015

Y1 - 2015

N2 - The presence of epiphytic turf algae may modify the effects of ocean acidification on coralline algal calcification rates by altering seawater chemistry within the diffusive boundary layer (DBL) above coralline algal crusts. We used microelectrodes to measure the effects of turf algal epiphytes on seawater pH and the partial pressure of oxygen (pO2) within the DBL at the surface of Hydrolithoideae coralline algal crusts under ambient (36 Pa) CO2 and an ocean acidification scenario with elevated CO2 (200 Pa). Turf algae significantly increased the mean diel amplitude of pH and pO2, and this effect was more pronounced under elevated CO2. We suggest that increases in seawater CO2 under ocean acidification conditions may drive an increase in the abundance of epiphytic turf algae, consequently modifying the chemistry within the DBL. Thus, the effect of epiphytic turf algae on microscale pH is striking and will likely affect coralline algal response to ocean acidification, highlighting the importance of understanding the effects of environmental change on species interactions.

AB - The presence of epiphytic turf algae may modify the effects of ocean acidification on coralline algal calcification rates by altering seawater chemistry within the diffusive boundary layer (DBL) above coralline algal crusts. We used microelectrodes to measure the effects of turf algal epiphytes on seawater pH and the partial pressure of oxygen (pO2) within the DBL at the surface of Hydrolithoideae coralline algal crusts under ambient (36 Pa) CO2 and an ocean acidification scenario with elevated CO2 (200 Pa). Turf algae significantly increased the mean diel amplitude of pH and pO2, and this effect was more pronounced under elevated CO2. We suggest that increases in seawater CO2 under ocean acidification conditions may drive an increase in the abundance of epiphytic turf algae, consequently modifying the chemistry within the DBL. Thus, the effect of epiphytic turf algae on microscale pH is striking and will likely affect coralline algal response to ocean acidification, highlighting the importance of understanding the effects of environmental change on species interactions.

KW - Acidification

KW - Calcification

KW - Coralline algae

KW - Diffusive boundary layer

KW - pH

KW - Photosynthesis

U2 - 10.1016/j.ecss.2015.08.006

DO - 10.1016/j.ecss.2015.08.006

M3 - Journal article

AN - SCOPUS:84940093561

VL - 164

SP - 463

EP - 470

JO - Estuarine, Coastal and Shelf Science

JF - Estuarine, Coastal and Shelf Science

SN - 0272-7714

ER -

ID: 154480965