The cost and feasibility of marine coastal restoration

Bayraktarov, Elisa, Saunders, Megan I., Abdullah, Sabah, Mills, Morena, Beher, Jutta, Possingham, Hugh P., Mumby, Peter J. and Lovelock, Catherine E. (2016) The cost and feasibility of marine coastal restoration. Ecological Applications, 26 4: 1055-1074. doi:10.1890/15-1077

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Author Bayraktarov, Elisa
Saunders, Megan I.
Abdullah, Sabah
Mills, Morena
Beher, Jutta
Possingham, Hugh P.
Mumby, Peter J.
Lovelock, Catherine E.
Title The cost and feasibility of marine coastal restoration
Journal name Ecological Applications   Check publisher's open access policy
ISSN 1939-5582
1051-0761
Publication date 2016-06
Year available 2016
Sub-type Article (original research)
DOI 10.1890/15-1077
Open Access Status File (Publisher version)
Volume 26
Issue 4
Start page 1055
End page 1074
Total pages 61
Place of publication Hoboken, NJ, United States
Publisher John Wiley & Sons
Collection year 2017
Language eng
Abstract Land-use change in the coastal zone has led to worldwide degradation of marine coastal ecosystems and a loss of the goods and services they provide. Restoration is the process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed and is critical for habitats where natural recovery is hindered. Uncertainties about restoration cost and feasibility can impede decisions on whether, what, how, where, and how much to restore. Here, we perform a synthesis of 235 studies with 954 observations from restoration or rehabilitation projects of coral reefs, seagrass, mangroves, saltmarshes, and oyster reefs worldwide, and evaluate cost, survival of restored organisms, project duration, area, and techniques applied. Findings showed that while the median and average reported costs for restoration of one hectare of marine coastal habitat were around US$80 000 (2010) and US$1 600 000 (2010), respectively, the real total costs (median) are likely to be two to four times higher. Coral reefs and seagrass were among the most expensive ecosystems to restore. Mangrove restoration projects were typically the largest and the least expensive per hectare. Most marine coastal restoration projects were conducted in Australia, Europe, and USA, while total restoration costs were significantly (up to 30 times) cheaper in countries with developing economies. Community- or volunteer-based marine restoration projects usually have lower costs. Median survival of restored marine and coastal organisms, often assessed only within the first one to two years after restoration, was highest for saltmarshes (64.8%) and coral reefs (64.5%) and lowest for seagrass (38.0%). However, success rates reported in the scientific literature could be biased towards publishing successes rather than failures. The majority of restoration projects were short-lived and seldom reported monitoring costs. Restoration success depended primarily on the ecosystem, site selection, and techniques applied rather than on money spent. We need enhanced investment in both improving restoration practices and large-scale restoration.
Keyword Marine coastal ecosystems
Restoration
Rehabilitation
Cost
Feasibility
Success and failure
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Global Change Institute Publications
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Created: Thu, 24 Mar 2016, 13:42:08 EST by Gail Walter on behalf of School of Biological Sciences