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Macroalgae exhibit diverse responses to human disturbances on coral reefs

Sara E. Cannon Orcid Logo, Simon D. Donner, Angela Liu, Pedro C. González Espinosa, Andrew H. Baird, Julia K. Baum, Andrew G. Bauman, Maria Beger, Cassandra E. Benkwitt, Matthew J. Birt, Yannick Chancerelle, Joshua E. Cinner, Nicole L. Crane, Vianney Denis, Martial Depczynski, Nur Fadli, Douglas Fenner, Christopher J. Fulton, Yimnang Golbuu, Nicholas A. J. Graham, James Guest, Hugo B. Harrison, Jean‐Paul A. Hobbs, Andrew S. Hoey, Thomas H. Holmes, Peter Houk, Fraser Januchowski-Hartley Orcid Logo, Jamaluddin Jompa, Chao‐Yang Kuo, Gino Valentino Limmon, Yuting V. Lin, Timothy R. McClanahan, Dominic Muenzel, Michelle J. Paddack, Serge Planes, Morgan S. Pratchett, Ben Radford, James Davis Reimer, Zoe T. Richards, Claire L. Ross, John Rulmal, Brigitte Sommer, Gareth J. Williams, Shaun K. Wilson

Global Change Biology, Volume: 29, Issue: 12, Pages: 3318 - 3330

Swansea University Author: Fraser Januchowski-Hartley Orcid Logo

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DOI (Published version): 10.1111/gcb.16694

Abstract

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 stressor...

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Published in: Global Change Biology
ISSN: 1354-1013 1365-2486
Published: Wiley 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa63165
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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. 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Grant Number: 7/AMD/E1/KP.PTNBH/2020 ARC Centre of Excellence for Coral Reef Studies Australian Institute of Marine Science Australian Research Council. Grant Numbers: ARC Linkage Project LP160101508, CE140100020, DP0877905, FT160100047, P110101540 AXA Research Fund. Grant Number: 154-000-649-507 Canadian Foundation for Innovation Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada. Grant Numbers: Discovery Grant, RGPIN-2019-04056 Centre of Excellence for Environmental Decisions, Australian Research Council. Grant Number: CE110001014 David and Lucile Packard Foundation Department of Biodiversity, Conservation and Attractions Director of National Parks Australia European Regional Development Fund. 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Grant Number: CRI-Ulithi1-2 Pacific Rim Research Program Paul M. Angell Family Foundation Pew Charitable Trusts Royal Society. Grant Number: UF140691 Rufford Foundation The Isobel Bennett Fellowship Tiffany &amp; Co Foundation University of Technology Sydney Welsh European Funding Office Western Australian Museum Western Indian Ocean Marine Science for Management Wildlife Conservation Society Woodside</funders><projectreference/><lastEdited>2023-05-19T15:00:42.7649487</lastEdited><Created>2023-04-17T09:42:39.6352569</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Biosciences, Geography and Physics - Biosciences</level></path><authors><author><firstname>Sara E.</firstname><surname>Cannon</surname><orcid>0000-0002-1402-6370</orcid><order>1</order></author><author><firstname>Simon D.</firstname><surname>Donner</surname><order>2</order></author><author><firstname>Angela</firstname><surname>Liu</surname><order>3</order></author><author><firstname>Pedro C.</firstname><surname>González Espinosa</surname><order>4</order></author><author><firstname>Andrew H.</firstname><surname>Baird</surname><order>5</order></author><author><firstname>Julia K.</firstname><surname>Baum</surname><order>6</order></author><author><firstname>Andrew G.</firstname><surname>Bauman</surname><order>7</order></author><author><firstname>Maria</firstname><surname>Beger</surname><order>8</order></author><author><firstname>Cassandra E.</firstname><surname>Benkwitt</surname><order>9</order></author><author><firstname>Matthew J.</firstname><surname>Birt</surname><order>10</order></author><author><firstname>Yannick</firstname><surname>Chancerelle</surname><order>11</order></author><author><firstname>Joshua E.</firstname><surname>Cinner</surname><order>12</order></author><author><firstname>Nicole L.</firstname><surname>Crane</surname><order>13</order></author><author><firstname>Vianney</firstname><surname>Denis</surname><order>14</order></author><author><firstname>Martial</firstname><surname>Depczynski</surname><order>15</order></author><author><firstname>Nur</firstname><surname>Fadli</surname><order>16</order></author><author><firstname>Douglas</firstname><surname>Fenner</surname><order>17</order></author><author><firstname>Christopher J.</firstname><surname>Fulton</surname><order>18</order></author><author><firstname>Yimnang</firstname><surname>Golbuu</surname><order>19</order></author><author><firstname>Nicholas A. 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spelling v2 63165 2023-04-17 Macroalgae exhibit diverse responses to human disturbances on coral reefs 77e5e32d2047f69a621d6d810ff9299b 0000-0003-2468-8199 Fraser Januchowski-Hartley Fraser Januchowski-Hartley true false 2023-04-17 SBI 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. Journal Article Global Change Biology 29 12 3318 3330 Wiley 1354-1013 1365-2486 coral reef health, coral reefs, Indian Ocean, local human disturbance, macroalgae, multiple stressors, Pacific Ocean 1 6 2023 2023-06-01 10.1111/gcb.16694 http://dx.doi.org/10.1111/gcb.16694 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Agencia Nacional de Investigación e Innovación. Grant Number: 7/AMD/E1/KP.PTNBH/2020 ARC Centre of Excellence for Coral Reef Studies Australian Institute of Marine Science Australian Research Council. Grant Numbers: ARC Linkage Project LP160101508, CE140100020, DP0877905, FT160100047, P110101540 AXA Research Fund. Grant Number: 154-000-649-507 Canadian Foundation for Innovation Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada. Grant Numbers: Discovery Grant, RGPIN-2019-04056 Centre of Excellence for Environmental Decisions, Australian Research Council. Grant Number: CE110001014 David and Lucile Packard Foundation Department of Biodiversity, Conservation and Attractions Director of National Parks Australia European Regional Development Fund. Grant Number: 80761-SU-1365 Fondation Bertarelli French Minister for Ecology Government of Palau Indonesian Ministry of Research and Technology INSU-CNRS IR ILICO Japan International Cooperation Agency Japanese Society for the Promotion of Science Leverhulme Trust Lizard Island Reef Research Foundation Marie Sklodowska-Curie Actions. Grant Number: TRIM-DLV-747102 Ministry of Science and Technology, Taiwan. Grant Numbers: 104-2611-M-002-020-MY2, 106-2611-M-002-008, 107-2611-M-002-011, 108-2611-M-002-013, 109-2611-M-002-017 National Geographic Society. Grant Number: #7941-05 National Oceanic and Atmospheric Administration. Grant Number: NA15NMF4270336 National Research Foundation Singapore. Grant Number: Marine Science Research and Development Programme National Science Foundation. Grant Numbers: 1546374, 1622339 Natural Environment Research Council. Grant Number: NE/S006931/1 Newton Fund Ocean Affairs Council of Taiwan. Grant Number: OAC-UNIV-108-004 Office of Insular Affairs. Grant Number: CRI-Ulithi1-2 Pacific Rim Research Program Paul M. Angell Family Foundation Pew Charitable Trusts Royal Society. Grant Number: UF140691 Rufford Foundation The Isobel Bennett Fellowship Tiffany & Co Foundation University of Technology Sydney Welsh European Funding Office Western Australian Museum Western Indian Ocean Marine Science for Management Wildlife Conservation Society Woodside 2023-05-19T15:00:42.7649487 2023-04-17T09:42:39.6352569 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Sara E. Cannon 0000-0002-1402-6370 1 Simon D. Donner 2 Angela Liu 3 Pedro C. González Espinosa 4 Andrew H. Baird 5 Julia K. Baum 6 Andrew G. Bauman 7 Maria Beger 8 Cassandra E. Benkwitt 9 Matthew J. Birt 10 Yannick Chancerelle 11 Joshua E. Cinner 12 Nicole L. Crane 13 Vianney Denis 14 Martial Depczynski 15 Nur Fadli 16 Douglas Fenner 17 Christopher J. Fulton 18 Yimnang Golbuu 19 Nicholas A. J. Graham 20 James Guest 21 Hugo B. Harrison 22 Jean‐Paul A. Hobbs 23 Andrew S. Hoey 24 Thomas H. Holmes 25 Peter Houk 26 Fraser Januchowski-Hartley 0000-0003-2468-8199 27 Jamaluddin Jompa 28 Chao‐Yang Kuo 29 Gino Valentino Limmon 30 Yuting V. Lin 31 Timothy R. McClanahan 32 Dominic Muenzel 33 Michelle J. Paddack 34 Serge Planes 35 Morgan S. Pratchett 36 Ben Radford 37 James Davis Reimer 38 Zoe T. Richards 39 Claire L. Ross 40 John Rulmal 41 Brigitte Sommer 42 Gareth J. Williams 43 Shaun K. Wilson 44 63165__27059__510b41287d424964b6cc32c230204b7b.pdf 63165.pdf 2023-04-17T09:49:18.2068462 Output 3061353 application/pdf Version of Record true Creative Commons License CC BY false eng http://creativecommons.org/licenses/by/4.0/
title Macroalgae exhibit diverse responses to human disturbances on coral reefs
spellingShingle Macroalgae exhibit diverse responses to human disturbances on coral reefs
Fraser Januchowski-Hartley
title_short Macroalgae exhibit diverse responses to human disturbances on coral reefs
title_full Macroalgae exhibit diverse responses to human disturbances on coral reefs
title_fullStr Macroalgae exhibit diverse responses to human disturbances on coral reefs
title_full_unstemmed Macroalgae exhibit diverse responses to human disturbances on coral reefs
title_sort Macroalgae exhibit diverse responses to human disturbances on coral reefs
author_id_str_mv 77e5e32d2047f69a621d6d810ff9299b
author_id_fullname_str_mv 77e5e32d2047f69a621d6d810ff9299b_***_Fraser Januchowski-Hartley
author Fraser Januchowski-Hartley
author2 Sara E. Cannon
Simon D. Donner
Angela Liu
Pedro C. González Espinosa
Andrew H. Baird
Julia K. Baum
Andrew G. Bauman
Maria Beger
Cassandra E. Benkwitt
Matthew J. Birt
Yannick Chancerelle
Joshua E. Cinner
Nicole L. Crane
Vianney Denis
Martial Depczynski
Nur Fadli
Douglas Fenner
Christopher J. Fulton
Yimnang Golbuu
Nicholas A. J. Graham
James Guest
Hugo B. Harrison
Jean‐Paul A. Hobbs
Andrew S. Hoey
Thomas H. Holmes
Peter Houk
Fraser Januchowski-Hartley
Jamaluddin Jompa
Chao‐Yang Kuo
Gino Valentino Limmon
Yuting V. Lin
Timothy R. McClanahan
Dominic Muenzel
Michelle J. Paddack
Serge Planes
Morgan S. Pratchett
Ben Radford
James Davis Reimer
Zoe T. Richards
Claire L. Ross
John Rulmal
Brigitte Sommer
Gareth J. Williams
Shaun K. Wilson
format Journal article
container_title Global Change Biology
container_volume 29
container_issue 12
container_start_page 3318
publishDate 2023
institution Swansea University
issn 1354-1013
1365-2486
doi_str_mv 10.1111/gcb.16694
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://dx.doi.org/10.1111/gcb.16694
document_store_str 1
active_str 0
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.
published_date 2023-06-01T15:00:41Z
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score 11.037603

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