Cited by 281Marine and coastal plant biologyOcean Acidification Effects and ResponsesCoral and Marine Ecosystems Studies

Synergistic effects of climate change and local stressors: CO2 and nutrient‐driven change in subtidal rocky habitats

RUSSELL, BAYDEN D., THOMPSON, JO‐ANNE I., FALKENBERG, LAURA J., CONNELL, SEAN D.·2009·Global Change Biology

Abstract

Climate-driven change represents the cumulative effect of global through local-scale conditions, and understanding their manifestation at local scales can empower local management. Change in the dominance of habitats is often the product of local nutrient pollution that occurs at relatively local scales (i.e. catchment scale), a critical scale of management at which global impacts will manifest. We tested whether forecasted global-scale change [elevated carbon dioxide (CO₂) and subsequent ocean acidification] and local stressors (elevated nutrients) can combine to accelerate the expansion of filamentous turfs at the expense of calcifying algae (kelp understorey). Our results not only support this model of future change, but also highlight the synergistic effects of future CO₂ and nutrient concentrations on the abundance of turfs. These results suggest that global and local stressors need to be assessed in meaningful combinations so that the anticipated effects of climate change do not create the false impression that, however complex, climate change will produce smaller effects than reality. These findings empower local managers because they show that policies of reducing local stressors (e.g. nutrient pollution) can reduce the effects of global stressors not under their governance (e.g. ocean acidification). The connection between research and government policy provides an example whereby knowledge (and decision making) across local through global scales provides solutions t…

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Crossref · 10.1111/j.1365-2486.2009.01886.x

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81 of 81 references verified0 citation errors · 0 not checkable

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  • Ocean acidification has been documented to have both stimulatory and inhibitory effects on algal growth.

    “Ocean acidi fi cation (OA) has been documented to have both stimulatory (Andersen & Andersen 2006; Russell et al. 2009) and inhibitory (Kuffner et al. 2008) effects on algal growth.”
  • OA has also been shown to increase the dominance of some fleshy algal groups, either by enhancing photosynthetic carbon fixation or releasing them from competitive associations with calcareous taxa.

    “In contrast, OA has also been shown to increase the dominance of some fl eshy algal groups, either by enhancing photosynthetic carbon fi xation or releasing them from competitive associations with calcareous taxa (Gao, Ji & Aruga 1999; Kubler, Johnston & Raven 1999; Russell et al. 2009).”
  • These responses (increases in temperate turfs) were linked to increases in effective quantum yield, suggesting that CO2 enrichment may have improved photosynthetic efficiency.

    “These responses were linked to increases in effective quantum yield, suggesting that CO2 enrichment may have improved photosynthetic ef fi ciency.”
  • Our findings are in agreement with other studies examining the effects of ocean acidification on the community structure of benthic organisms.

    “Our fi ndings are in agreement with other studies examining the effects of ocean acidi fi cation on the community structure of benthic organisms (Martin et al. 2008; Russell et al. 2009; Porzio, Buia & Hall-Spencer 2011).”
  • CO2-induced increases in uncalcified algal groups (particularly turf taxa) have been previously demonstrated in several studies.

    “CO2-induced increases in uncalci fi ed algal groups (particularly turf taxa) have been previously demonstrated in several studies (Russell et al. 2009; Connell & Russell 2010).”

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Authors
RUSSELL, B. D., THOMPSON, J. I., FALKENBERG, L. J., & CONNELL, S. D.
Affiliations
The University of Adelaide (AU)
Corresponding author
RUSSELL, BAYDEN D.
Venue
Global Change Biology
Publisher
Wiley
Published
2009-08-04
Volume
15
Issue
9
Pages
2153-2162
ISSN
  • 1354-1013 (ISSN-L)
  • 1365-2486
OpenAlex
W2088635555
Cited by
281
References
81
Citations by year
2026: 2 · 2025: 6 · 2024: 9 · 2023: 12 · 2022: 7 · 2021: 11 · 2020: 20 · 2019: 9 · 2018: 20 · 2017: 19 · 2016: 27 · 2015: 26 · 2014: 29 · 2013: 31 · 2012: 23
FWCI
12.17
Type
journal article
Language
en
Open access
closed
Locations
  • Global Change Biology (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal plant biology
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Ocean Acidification Effects and Responses
  • Physical Sciences › Environmental Science › Ecology › Coral and Marine Ecosystems Studies
Keywords
climate change, ocean acidification, elevated CO2, nutrient pollution, synergistic effect, local stressors, calcifying algae, catchment scale, local management, marine conservation policy

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