Co-culture with grazers can improve survival and growth of multiple coral species

Neil, Rachel C.; Humphrey, Craig; Bourne, David G.; Heyward, Andrew

doi:10.1016/j.aquaculture.2021.737095

Cited by 8 publications

(4 citation statements)

References 38 publications

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“… 2013 , Abelson et al. 2016 , Näslund 2021 ). In addition, a detailed understanding of the system's ecology and robust predictions of the range of plausible outcomes are needed to help minimize the probability of or to manage unintended consequences (Sarrazin and Barbault 1996 , Seddon et al.…”

Section: Restoration Objectives and How Animals Can Be Incorporated I...mentioning

confidence: 99%

Greater Consideration of Animals Will Enhance Coastal Restoration Outcomes

et al. 2022

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As efforts to restore coastal habitats accelerate, it is critical that investments are targeted to most effectively mitigate and reverse habitat loss and its impacts on biodiversity. One likely but largely overlooked impediment to effective restoration of habitat-forming organisms is failing to explicitly consider non-habitat-forming animals in restoration planning, implementation, and monitoring. These animals can greatly enhance or degrade ecosystem function, persistence, and resilience. Bivalves, for instance, can reduce sulfide stress in seagrass habitats and increase drought tolerance of saltmarsh vegetation, whereas megaherbivores can detrimentally overgraze seagrass or improve seagrass seed germination, depending on the context. Therefore, understanding when, why, and how to directly manipulate or support animals can enhance coastal restoration outcomes. In support of this expanded restoration approach, we provide a conceptual framework, incorporating lessons from structured decision-making, and describe potential actions that could lead to better restoration outcomes using case studies to illustrate practical approaches.

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Section: Restoration Objectives and How Animals Can Be Incorporated I...mentioning

confidence: 99%

Greater Consideration of Animals Will Enhance Coastal Restoration Outcomes

et al. 2022

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“…Coral propagation and transplantation remain the most common reef restoration method at present, but operational costs can be expensive when compared with the survival rate of fragments [48], leading to issues with effective upscaling [22]. The practice of coral nurseries requires constant maintenance to grow fragments.…”

Section: Expanding the Coral Restoration Toolboxmentioning

confidence: 99%

“…The reason behind this could be related to several aspects, but one of the most apparent could be the AR providing a structurally complex substrate for the accumulation of beneficial benthic communities to supply essential nutrients and microbes to enhance coral health and growth [6,20]. Furthermore, several studies found that the cohabitation of benthic invertebrates with coral fragments is a useful functional tool to promote growth and improve the survival of corals [21,22]. Additionally, ARs can capture planulae that may be released from synchronized spawning events or from polyp bailout to help further the restoration process [23,24].…”

Section: Introductionmentioning

confidence: 99%

Exploring New Frontiers in Coral Nurseries: Leveraging 3D Printing Technology to Benefit Coral Growth and Survival

Berman,

Levy,

Parnas

et al. 2023

JMSE

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Coral nurseries and associated techniques are the most common and widespread reef restoration methods worldwide. Due to the rapid decline of coral reefs, coral nurseries need to be eco-friendlier and adapted for effective upscaling to support large restoration projects. We suggest new design and fabrication processes associated with coral gardening and transplantation with 3D printing technology to offer a beneficial solution for growing coral fragments in on-land and underwater nurseries. We describe multiple combinations of building nurseries through the integration of biomimetic substrates and novel solutions for attaching coral fragments. Our methods are supported with supplemental testing of two hybrid substrate designs and coral mounting structures, building upon previous studies in the Gulf of Eilat/Aqaba (GoE/A), Red Sea. We identified and quantified marine invertebrates colonizing the surfaces of our substrates with environmental DNA (eDNA) by targeting the mitochondrial COI gene. We evaluated our coral fragments with and without our mounting structures to obtain an indication of total protein as a proxy for tissue health. We demonstrate the ability to design hybrid nurseries with custom mounting structures using biomimetic substrates, such as large ceramic artificial reefs, or with an interlocking mesh for holding numerous fragments to maximize out-planting efforts. We propose several methods for both land and underwater nurseries catered to various restoration initiatives for cost-effective up-scaling to meet the demands of global reef restoration.

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“…In Hawaii, the cultivation and transplantation of the urchin Tripneustes gratilla, in combination with manual removal methods, has been used by the Hawaii Division of Aquatic Resources (USA) to control invasive macroalgae and rehabilitate reefs (Conklin & Smith, 2005;Neilson et al, 2018). Herbivorous snails, used in coculture with ex situ sexually propagated coral recruits, were found to increase coral survival 23-fold (Neil et al, 2021). In another example, encrusting sponges and coralline algae were investigated as natural mechanisms to secure coral rubble and promote recruitment on damaged reefs (Biggs, 2013) Landscape-level connections to local human populations are also critical considerations for coral reef restoration designs to support resilience.…”

Section: Broader Ecosystem Contextmentioning

confidence: 99%

A roadmap to integrating resilience into the practice of coral reef restoration

Shaver

McLeod

Hein³

et al. 2022

Global Change Biology

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Recent warm temperatures driven by climate change have caused mass coral bleaching and mortality across the world, prompting managers, policymakers, and conservation practitioners to embrace restoration as a strategy to sustain coral reefs. Despite a proliferation of new coral reef restoration efforts globally and increasing scientific recognition and research on interventions aimed at supporting reef resilience to climate impacts, few restoration programs are currently incorporating climate change and resilience in project design. As climate change will continue to degrade coral reefs for decades to come, guidance is needed to support managers and restoration practitioners to conduct restoration that promotes resilience through enhanced coral reef recovery, resistance, and adaptation. Here, we address this critical implementation gap by providing recommendations that integrate resilience principles into restoration design and practice, including for project planning and design, coral selection, site selection, and broader ecosystem context. We also discuss future opportunities to improve restoration methods to support enhanced outcomes for coral reefs in response to climate change. As coral reefs are one of the most vulnerable ecosystems to climate change, interventions that enhance reef resilience will help to ensure restoration efforts have a greater chance of success in a warming world. They are also more likely to provide essential contributions to global targets to protect natural biodiversity and the human communities that rely on reefs.

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Co-culture with grazers can improve survival and growth of multiple coral species

Cited by 8 publications

References 38 publications

Greater Consideration of Animals Will Enhance Coastal Restoration Outcomes

Greater Consideration of Animals Will Enhance Coastal Restoration Outcomes

Exploring New Frontiers in Coral Nurseries: Leveraging 3D Printing Technology to Benefit Coral Growth and Survival

A roadmap to integrating resilience into the practice of coral reef restoration

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