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Facilitation shifts paradigms and can amplify coastal Restoration efforts

dc.contributor.author Silliman, BR
dc.contributor.author Schrack, E
dc.contributor.author He, Q
dc.contributor.author Cope, R
dc.contributor.author Santoni, A
dc.contributor.author van der Heide, T
dc.contributor.author Jacobi, R
dc.contributor.author Jacobi, M
dc.contributor.author van de Koppel, J
dc.date.accessioned 2015-11-03T18:40:14Z
dc.date.issued 2015-11-17
dc.identifier.issn 0027-8424
dc.identifier.uri https://hdl.handle.net/10161/10811
dc.description.abstract Restoration has been elevated as an important strategy to reverse the decline of coastal wetlands worldwide. Current practice in restoration science emphasizes minimizing competition between outplanted propagules to maximize planting success. This paradigm persists despite the fact that foundational theory in ecology demonstrates that positive species interactions are key to organism success under high physical stress, such as recolonization of bare substrate. As evidence of how entrenched this restoration paradigm is, our survey of 25 restoration organizations in 14 states in the United States revealed that >95% of these agencies assume minimizing negative interactions (i.e., competition) between outplants will maximize propagule growth. Restoration experiments in both Western and Eastern Atlantic salt marshes demonstrate, however, that a simple change in planting configuration (placing propagules next to, rather than at a distance from, each other) results in harnessing facilitation and increased yields by 107% on average. Thus, small adjustments in restoration design may catalyze untapped positive species interactions, resulting in significantly higher restoration success with no added cost. As positive interactions between organisms commonly occur in coastal ecosystems (especially in more physically stressful areas like uncolonized substrate) and conservation resources are limited, transformation of the coastal restoration paradigm to incorporate facilitation theory may enhance conservation efforts, shoreline defense, and provisioning of ecosystem services such as fisheries production.
dc.publisher Proceedings of the National Academy of Sciences
dc.relation.ispartof Proceedings of the National Academy of Sciences of the United States of America
dc.relation.isversionof 10.1073/pnas.1515297112
dc.title Facilitation shifts paradigms and can amplify coastal Restoration efforts
dc.type Journal article
duke.contributor.id Silliman, BR|0213623
pubs.begin-page 14295
pubs.end-page 14300
pubs.issue 46
pubs.organisational-group Duke
pubs.organisational-group Marine Science and Conservation
pubs.organisational-group Nicholas School of the Environment
pubs.publication-status Published
pubs.volume 112
dc.identifier.eissn 1091-6490


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