The future of the northeast Atlantic benthic flora in a high CO2world

Brodie, Juliet, Williamson, Christopher J., Smale, Dan A., Kamenos, Nicholas A., Mieszkowska, Nova, Santos, Rui, Cunliffe, Michael, Steinke, Michael, Yesson, Christopher, Anderson, Kathryn M., Asnaghi, Valentina, Brownlee, Colin, Burdett, Heidi L., Burrows, Michael T., Collins, Sinead, Donohue, Penelope J. C., Harvey, Ben, Foggo, Andrew, Noisette, Fanny, Nunes, Joana, Ragazzola, Federica, Raven, John A., Schmidt, Daniela N., Suggett, David, Teichberg, Mirta and Hall-Spencer, Jason M. 2014. The future of the northeast Atlantic benthic flora in a high CO2world. Ecology and Evolution 4 (13) , p. 2787. 10.1002/ece3.1105

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Abstract

Seaweed and seagrass communities in the northeast Atlantic have been profoundly impacted by humans, and the rate of change is accelerating rapidly due to runaway CO2 emissions and mounting pressures on coastlines associated with human population growth and increased consumption of finite resources. Here, we predict how rapid warming and acidification are likely to affect benthic flora and coastal ecosystems of the northeast Atlantic in this century, based on global evidence from the literature as interpreted by the collective knowledge of the authorship. We predict that warming will kill off kelp forests in the south and that ocean acidification will remove maerl habitat in the north. Seagrasses will proliferate, and associated epiphytes switch from calcified algae to diatoms and filamentous species. Invasive species will thrive in niches liberated by loss of native species and spread via exponential development of artificial marine structures. Combined impacts of seawater warming, ocean acidification, and increased storminess may replace structurally diverse seaweed canopies, with associated calcified and noncalcified flora, with simple habitats dominated by noncalcified, turf‐forming seaweeds.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	Wiley
ISSN:	2045-7758
Date of First Compliant Deposit:	27 February 2020
Date of Acceptance:	22 April 2014
Last Modified:	05 May 2023 13:17
URI:	https://orca.cardiff.ac.uk/id/eprint/129952

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