Motivations, success, and cost of coral reef restoration

Bayraktarov, Elisa, Stewart-Sinclair, Phoebe J., Brisbane, Shantala, Boström‐Einarsson, Lisa, Saunders, Megan I., Lovelock, Catherine E., Possingham, Hugh P., Mumby, Peter J., and Wilson, Kerrie A. (2019) Motivations, success, and cost of coral reef restoration. Restoration Ecology, 27 (5). pp. 981-991.

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Abstract

Coral reef restoration is an increasingly important part of tropical marine conservation. Information about what motivatescoral reef restoration as well as its success and cost is not well understood but is needed to inform restoration decisions. Wesystematically review and synthesize data from mostly scientific studies published in peer-reviewed and gray literature onthe motivations for coral reef restoration, the variables measured, outcomes reported, the cost per hectare of the restorationproject, the survival of restored corals, the duration of the project, and its overall spatial extent depending on the restorationtechnique employed. The main motivation to restore coral reefs for the projects assessed was to further our ecologicalknowledge and improve restoration techniques, with coral growth, productivity, and survival being the main variablesmeasured. The median project cost was 400,000 US$/ha (2010 US$), ranging from 6,000 US$/ha for the nursery phase ofcoral gardening to 4,000,000 US$/ha for substrate addition to build an artificial reef. Restoration projects were mostly of shortduration (1–2 years) and over small spatial extents (0.01 ha or 108 m2). Median reported survival of restored corals was 60.9%.Future research to survey practitioners who do not publish their discoveries would complement this work. Our findings anddatabase provide critical data to inform future research in coral reef restoration.

Item ID: 59080
Item Type: Article (Research - C1)
ISSN: 1526-100X
Keywords: coral reef restoration, costs, motivations, project duration, project spatial extent, survival of restored corals
Copyright Information: © 2019 Society for Ecological Restoration
Funders: Australian National Environmental Science Program (NESP) Tropical Water Quality Hub, Australian Research Council (ARC) Centre of Excellence for Environmental Decisions (CEE)
Projects and Grants: NESP TWQ Project 4.3
Date Deposited: 12 Aug 2019 23:52
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 50%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050207 Environmental Rehabilitation (excl Bioremediation) @ 50%
SEO Codes: 96 ENVIRONMENT > 9612 Rehabilitation of Degraded Environments > 961201 Rehabilitation of Degraded Coastal and Estuarine Environments @ 50%
97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 50%
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