Journal article 1246 views 374 downloads
A keystone mutualism underpins resilience of a coastal ecosystem to drought
Christine Angelini,
John Griffin 
,
Johan van de Koppel,
Leon P. M. Lamers,
Alfons J. P. Smolders,
Marlous Derksen-Hooijberg,
Tjisse van der Heide,
Brian R. Silliman
,
Johan van de Koppel,
Leon P. M. Lamers,
Alfons J. P. Smolders,
Marlous Derksen-Hooijberg,
Tjisse van der Heide,
Brian R. Silliman
Nature Communications, Volume: 7, Issue: 1, Start page: 12473
Swansea University Author:
John Griffin
-
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DOI (Published version): 10.1038/ncomms12473
Abstract
Droughts are increasing in severity and frequency, yet the mechanisms that strengthen ecosystem resilience to this stress remain poorly understood. Here, we test whether positive interactions in the form of a mutualism between mussels and dominant cordgrass in salt marshes enhance ecosystem resistan...
| Published in: | Nature Communications |
|---|---|
| ISSN: | 2041-1723 |
| Published: |
Springer Science and Business Media LLC
2016
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa31871 |
| first_indexed |
2017-02-06T20:49:39Z |
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| last_indexed |
2020-11-13T03:43:34Z |
| id |
cronfa31871 |
| recordtype |
SURis |
| fullrecord |
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2020-11-12T16:20:28.4789379 v2 31871 2017-02-06 A keystone mutualism underpins resilience of a coastal ecosystem to drought 9814fbffa76dd9c9a207166354cd0b2f 0000-0003-3295-6480 John Griffin John Griffin true false 2017-02-06 BGPS Droughts are increasing in severity and frequency, yet the mechanisms that strengthen ecosystem resilience to this stress remain poorly understood. Here, we test whether positive interactions in the form of a mutualism between mussels and dominant cordgrass in salt marshes enhance ecosystem resistance to and recovery from drought. Surveys spanning 250 km of southeastern US coastline reveal spatially dispersed mussel mounds increased cordgrass survival during severe drought by 5- to 25-times. Surveys and mussel addition experiments indicate this positive effect of mussels on cordgrass was due to mounds enhancing water storage and reducing soil salinity stress. Observations and models then demonstrate that surviving cordgrass patches associated with mussels function as nuclei for vegetative re-growth and, despite covering only 0.1–12% of die-offs, markedly shorten marsh recovery periods. These results indicate that mutualisms, in supporting stress-resistant patches, can play a disproportionately large, keystone role in enhancing ecosystem resilience to climatic extremes. Journal Article Nature Communications 7 1 12473 Springer Science and Business Media LLC 2041-1723 1 11 2016 2016-11-01 10.1038/ncomms12473 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2020-11-12T16:20:28.4789379 2017-02-06T13:07:16.1185749 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Christine Angelini 1 John Griffin 0000-0003-3295-6480 2 Johan van de Koppel 3 Leon P. M. Lamers 4 Alfons J. P. Smolders 5 Marlous Derksen-Hooijberg 6 Tjisse van der Heide 7 Brian R. Silliman 8 0031871-03032017145252.pdf ncomms12473.pdf 2017-03-03T14:52:52.3770000 Output 747541 application/pdf Version of Record true ©The Author(s) 2016. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 4.0 (CC BY) License true eng http://creativecommons.org/licenses/by/4.0/ |
| title |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
| spellingShingle |
A keystone mutualism underpins resilience of a coastal ecosystem to drought John Griffin |
| title_short |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
| title_full |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
| title_fullStr |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
| title_full_unstemmed |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
| title_sort |
A keystone mutualism underpins resilience of a coastal ecosystem to drought |
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9814fbffa76dd9c9a207166354cd0b2f |
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9814fbffa76dd9c9a207166354cd0b2f_***_John Griffin |
| author |
John Griffin |
| author2 |
Christine Angelini John Griffin Johan van de Koppel Leon P. M. Lamers Alfons J. P. Smolders Marlous Derksen-Hooijberg Tjisse van der Heide Brian R. Silliman |
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Journal article |
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Nature Communications |
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7 |
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1 |
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12473 |
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2016 |
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Swansea University |
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2041-1723 |
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10.1038/ncomms12473 |
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Springer Science and Business Media LLC |
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| description |
Droughts are increasing in severity and frequency, yet the mechanisms that strengthen ecosystem resilience to this stress remain poorly understood. Here, we test whether positive interactions in the form of a mutualism between mussels and dominant cordgrass in salt marshes enhance ecosystem resistance to and recovery from drought. Surveys spanning 250 km of southeastern US coastline reveal spatially dispersed mussel mounds increased cordgrass survival during severe drought by 5- to 25-times. Surveys and mussel addition experiments indicate this positive effect of mussels on cordgrass was due to mounds enhancing water storage and reducing soil salinity stress. Observations and models then demonstrate that surviving cordgrass patches associated with mussels function as nuclei for vegetative re-growth and, despite covering only 0.1–12% of die-offs, markedly shorten marsh recovery periods. These results indicate that mutualisms, in supporting stress-resistant patches, can play a disproportionately large, keystone role in enhancing ecosystem resilience to climatic extremes. |
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2016-11-01T07:01:30Z |
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1821297334870343680 |
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11.231748 |