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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Macroalgae exhibit diverse responses to human disturbances on coral reefs
Global Change Biology, Volume 29, No. 12, Year 2023
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Description
Scientists and managers rely on indicator taxa such as coral and macroalgal cover to evaluate the effects of human disturbance on coral reefs, often assuming a universally positive relationship between local human disturbance and macroalgae. Despite evidence that macroalgae respond to local stressors in diverse ways, there have been few efforts to evaluate relationships between specific macroalgae taxa and local human-driven disturbance. Using genus-level monitoring data from 1205 sites in the Indian and Pacific Oceans, we assess whether macroalgae percent cover correlates with local human disturbance while accounting for factors that could obscure or confound relationships. Assessing macroalgae at genus level revealed that no genera were positively correlated with all human disturbance metrics. Instead, we found relationships between the division or genera of algae and specific human disturbances that were not detectable when pooling taxa into a single functional category, which is common to many analyses. The convention to use percent cover of macroalgae as an indication of local human disturbance therefore likely obscures signatures of local anthropogenic threats to reefs. Our limited understanding of relationships between human disturbance, macroalgae taxa, and their responses to human disturbances impedes the ability to diagnose and respond appropriately to these threats. © 2023 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
Authors & Co-Authors
Cannon, Sara E.
Canada, Vancouver
The University of British Columbia
Donner, Simon D.
Canada, Vancouver
The University of British Columbia
Baird, A. H.
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
Baum, Julia Kathleen
Canada, Victoria
University of Victoria
Bauman, Andrew G.
United States, Fort Lauderdale
Nova Southeastern University
Beger, M.
United Kingdom, Leeds
University of Leeds
Indonesia, Ambon
Universitas Pattimura
Australia, Brisbane
The University of Queensland
Benkwitt, Cassandra E.
United Kingdom, Lancaster
Lancaster University
Birt, Matthew Jon
Australia, Townsville
Australian Institute of Marine Science
Cinner, Joshua E.
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
Crane, Nicole L.
United States, Santa Cruz
One People one Reef
United States, Aptos
Cabrillo College
Denis, Vianney
Taiwan, Taipei
National Taiwan University
Depczynski, Martial R.
Australia, Townsville
Australian Institute of Marine Science
Fadli, Nur
Indonesia, Banda Aceh
Universitas Syiah Kuala
Fenner, Douglas E.
American Samoa, Pago Pago
Coral Reef Consulting
Fulton, C. J.
Australia, Townsville
Australian Institute of Marine Science
Graham, Nicholas Anthony James
United Kingdom, Lancaster
Lancaster University
Guest, James R.
United Kingdom, Newcastle
Newcastle University
Harrison, Hugo B.
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
United Kingdom, Bristol
University of Bristol
Hobbs, Jean Paul A.
Australia, Brisbane
The University of Queensland
Hoey, Andrew S.
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
Holmes, Thomas H.
Australia, Kensington
Marine Science Program
Houk, Peter C.
Guam, Mangilao
University of Guam Marine Laboratory
Januchowski-Hartley, Fraser A.
United Kingdom, Swansea
Swansea University
Jompa, Jamaluddìn J.
Indonesia, Makassar
Hasanuddin University
Kuo, Chaoyang
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
Taiwan, Nankang
Academia Sinica Taiwan
McClanahan, Tim R.
United States, New York
Wildlife Conservation Society
Planes, Serge
France, Paris
Université Psl
Pratchett, Morgan Stuart
Australia, Townsville
Arc Centre of Excellence for Coral Reef Studies
Radford, Ben T.M.
Australia, Townsville
Australian Institute of Marine Science
Australia, Perth
The University of Western Australia
Reimer, James Davis
Japan, Nishihara
University of the Ryukyus
Richards, Zoe T.
Australia, Perth
Curtin University
Australia, Perth
Western Australian Museum
Sommer, Brigitte
Australia, Sydney
The University of Sydney
Australia, Sydney
University of Technology Sydney
Williams, Gareth J.
United Kingdom, Bangor
Bangor University
Wilson, Shaun K.
Australia, Kensington
Marine Science Program
Australia, Perth
The University of Western Australia
Statistics
Citations: 1
Authors: 34
Affiliations: 33
Identifiers
Doi:
10.1111/gcb.16694
ISSN:
13541013