2023
DOI: 10.1016/j.oneear.2023.04.008
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Principles for coral reef restoration in the anthropocene

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Cited by 39 publications
(15 citation statements)
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“…If the patterns observed in this study persist in response to continued removal events (even if only reducing macroalgal per cent cover by half), the trajectory of the reef community at Yunbenun has the potential to breach a theoretical biotic barrier to coral recovery, re-establishing the historical coral dominated state. Importantly, there was some natural recovery of coral cover observed in control plots (though not nearly the recovery observed in removal plots), which highlights the need for robust experimental design including longterm monitoring of intervention-free, control reef areas (Hughes et al, 2023). While the increases in coral cover achieved were rapid and significant, it remains unclear if these increases represent successfully 'restored' reef areas, since we did not explicitly set any restoration goal that would consistute 'success' of the method.…”
Section: Startmentioning
confidence: 98%
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“…If the patterns observed in this study persist in response to continued removal events (even if only reducing macroalgal per cent cover by half), the trajectory of the reef community at Yunbenun has the potential to breach a theoretical biotic barrier to coral recovery, re-establishing the historical coral dominated state. Importantly, there was some natural recovery of coral cover observed in control plots (though not nearly the recovery observed in removal plots), which highlights the need for robust experimental design including longterm monitoring of intervention-free, control reef areas (Hughes et al, 2023). While the increases in coral cover achieved were rapid and significant, it remains unclear if these increases represent successfully 'restored' reef areas, since we did not explicitly set any restoration goal that would consistute 'success' of the method.…”
Section: Startmentioning
confidence: 98%
“…per hectare per removal event (Data S1). In comparison with other reef restoration projects, which have a median cost of $400,000 USD/ha (range $6000-$4,000,000/ha, inclusion of labour costs not known; Bayraktarov et al, 2019), the sea-weeding method is reasonably cost-effective, requires little training or skill to implement and upscale, and importantly, is not coral species-specific in providing benefits (Hughes et al, 2023). Because the cost of materials and particularly labour varies significantly worldwide (The World Bank, 2023b), and the starting condition of the reef will dictate the magnitude of efforts required, it is difficult to extrapolate costs for other reef regions.…”
Section: Startmentioning
confidence: 99%
“…For example, facilitation of natural recovery is widely recognised as a key factor determining the success, or failure, of forest restoration initiatives (Clewell & McDonald, 2009;Higgs et al, 2018;Shono et al, 2007). Thus, careful consideration of the appropriate scales of the interventions, as well as their location, has been identified as crucial for effective restoration efforts on coral reefs (Hughes et al, 2023;Madin et al, 2023;Quigley et al, 2022;Vardi et al, 2021). Indeed, in many cases, a spatial-temporal mismatch exists between the stressors acting on coral reef ecosystems that reduce coral cover (e.g.…”
Section: Restoration Initiatives and Recovery Debtmentioning
confidence: 99%
“…marine heatwaves, crown of thorns starfish outbreaks, cyclones) and restoration actions (Bellwood et al, 2019). It is often not logistically or economically feasible to restore corals at large scales, although restoration could make a contribution at small scales, especially on high-value reefs (Hughes et al, 2023). In this endeavour, quantitative criteria may be important in determining the suitability of restoration interventions in different areas.…”
Section: Restoration Initiatives and Recovery Debtmentioning
confidence: 99%
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