{"id":32888,"date":"2025-08-01T16:39:26","date_gmt":"2025-08-01T14:39:26","guid":{"rendered":"https:\/\/www.coralguardian.org\/les-10-regles-dor-de-la-restauration-corallienne\/"},"modified":"2025-08-20T15:38:34","modified_gmt":"2025-08-20T13:38:34","slug":"les-10-regles-dor-de-la-restauration-corallienne","status":"publish","type":"post","link":"https:\/\/www.coralguardian.org\/en\/les-10-regles-dor-de-la-restauration-corallienne\/","title":{"rendered":"The 10 golden rules of coral restoration"},"content":{"rendered":"<h5><span style=\"font-weight: 400;\">Special thanks to Margaux Hein, Kate M. Quigley and David J. Suggett.<\/span><\/h5>\n<p><span style=\"font-weight: 400;\">Coral restoration is becoming more and more widespread throughout the world, often on a small scale. However, in order to have sustainable initiatives with convincing results (from a biological as well as a social and economic point of view), <\/span><b>we need general principles that can be applied and adapted to different contexts<\/b><span style=\"font-weight: 400;\">. These 10 golden rules exist for terrestrial reforestation (DiSacco et al., 2021), but coral reefs are often compared to tropical forests, both in terms of biodiversity and functional complexity (Reaka-Kudla, 1996). The team of researchers, <\/span><b>Dr Kate Quigley and colleagues, therefore undertook to transpose the 10 golden rules of reforestation to coral reef restoration, <\/b><span style=\"font-weight: 400;\">as published in the <a href=\"https:\/\/conbio.onlinelibrary.wiley.com\/doi\/full\/10.1111\/cobi.13890\">journal Conservation Biology<\/a><\/span><b>. <\/b><span style=\"font-weight: 400;\">These 10 rules can be grouped under 3 main themes:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">protection of existing reefs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the selection of corals and sites for restoration,<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the people involved and how they work together.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32890\" src=\"https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-1200x675.jpg\" alt=\"\" width=\"940\" height=\"529\" srcset=\"https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-1200x675.jpg 1200w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-1024x576.jpg 1024w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-768x432.jpg 768w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-1536x864.jpg 1536w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-2048x1152.jpg 2048w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-320x180.jpg 320w, https:\/\/www.coralguardian.org\/app\/uploads\/2024\/08\/Fig1-ENG-1920x1080.jpg 1920w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/p>\n<h5><i><span style=\"font-weight: 400;\">Figure 1: Ten rules for coral reef restoration, each fulfilling a functional objective. The order of the rules corresponds to the order in which the tasks should be considered when planning and implementing the project, although some are interdependent and should be considered in parallel. The colour of the outline of each box corresponds to functional objectives (green outlines: ecological rules; orange outlines: socio-economic rules). <\/span><\/i><\/h5>\n<p>&nbsp;<\/p>\n<ul>\n<li aria-level=\"1\"><b>Protecting existing reefs <\/b><span style=\"font-weight: 400;\">(rules 1 \u201cProtect existing reefs\u201d and 5 \u201cSupport natural recovery where possible\u201d).<\/span><\/li>\n<\/ul>\n<p><b>Protecting coral reefs should always be the priority, even before restoration<\/b><span style=\"font-weight: 400;\">. This is because the scale at which reefs can be restored is very limited, while the impacts, particularly due to climate change, affect much larger areas. Putting in place effective protection programmes, especially against man-made threats, is critical.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Furthermore, when degradation reaches a certain threshold, there is a risk that the ecosystem will shift towards one dominated by algae or non-scleractinian corals, for example (Bell et al., 2021). Protecting a reef also allows it to recover more quickly from stress or to grow without human pressure (Mumby and Harborne, 2010). The absence of human intervention also avoids a necessarily artificial selection of restored corals (Quigley et al., 2022). Nevertheless, natural recovery can only occur if there are events of sexual reproduction on a stable substrate, which humans can possibly encourage but not trigger (dela Cruz and Harrison, 2020).<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Selection of corals and sites to be restored<\/b><span style=\"font-weight: 400;\"> (rules 3. \u201cMaximize coral biodiversity for resilience\u201d, 4. \u201cSelect appropriate reefs for restoration\u201d, 6 \u201cSelect coral species to maximise functional diversity\u201d, 7 \u201cUse resilient coral material\u201d, 8 \u201cPlan ahead for infrastructure\u201d).\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Restoring a reef requires a great deal of effort, particularly financial and human. <\/span><b>The reefs to be restored must therefore be selected carefully<\/b><span style=\"font-weight: 400;\">, taking into account :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">their chances of survival in the face of future disturbances (global warming, meteorological disturbances such as storms, etc.),<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">their connection with other reefs or ecosystems such as mangroves,\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">their long-term interest for humans (fishing, tourism, etc.),<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">their integration into wider protection schemes,<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the absence of conflicts with the reef (rule 2).<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>choice of species to be restored must take account of local ecology<\/b><span style=\"font-weight: 400;\">. It is then necessary to select species with high growth rates and varied functional forms and roles. Guides for selecting these species are beginning to be published (Madin et al., 2021; Shaver et al., 2020).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Coral reef recovery is linked to the complexity of the substrate<\/b><span style=\"font-weight: 400;\">, i.e. the three-dimensionality of the seabed. The greater the structural complexity of the reef, the better the recovery following disturbance (Graham and Nash, 2013). The biodiversity of the reef must allow for a high level of structural complexity to create a refuge and habitat for many species. This requires a choice of different functional groups and different coral shapes, which provide shelter for a wide variety of organisms.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One technique for restoring coral reefs and increasing coral cover is to use fragments of living coral from cuttings or asexual propagation. To improve this proliferation, the use of nurseries is generally very effective (Stewart-Sinclair et al., 2021). On a large scale, this technique is expensive and risky in the long term, as there is little genetic diversity. <\/span><b>Maintaining a high level of genetic diversity encourages sexual reproduction<\/b><span style=\"font-weight: 400;\"> and increases the likelihood of obtaining larvae that are more resistant, particularly to heat. Various techniques exist to encourage sexual reproduction (e.g. Forsman et al., 2015; O&#8217;Neil et al., 2021), but they are not always easy to implement, as they involve significant financial costs, advanced technical knowledge and the need for suitable infrastructure.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Collaborative working<\/b><span style=\"font-weight: 400;\"> (rules 2 \u201cWork together\u201d, 9 \u201cLearn by doing\u201d and 10 \u201cMake it pay\u201d).\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Each reef will have its own particularities to take into account, which means that <\/span><b>even if guides exist, they must always be adapted locally <\/b><span style=\"font-weight: 400;\">(Hein et al., 2020; Shaver et al., 2020; Goergen et al., 2020). To achieve this, it is vital to <\/span><b>involve the various local stakeholders and to encourage exchanges with international experts<\/b><span style=\"font-weight: 400;\">. In particular, this ensures that the design and implementation of the project take account of the reality on the ground, as well as the complementary knowledge of the stakeholders. The local communities are the guardians of the reef, which belongs to them. As such, they have traditional and ancestral knowledge that must be integrated into the protection and restoration process. In addition, the benefits can be distributed in a balanced way and any conflicts will be easier to manage. <\/span><span style=\"font-weight: 400;\">There are many examples of successful collaboration between associations and local people, such as Coral Guardian, Blue Ventures, etc.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Before embarking on a large-scale project, it is more effective to start small, carry out tests and adopt an iterative approach (pilot study, then change of scale, with long-term objectives and a schedule drawn up in advance). Taking things one step at a time, without trying to move too quickly, also helps to win the public&#8217;s trust (Quigley et al., 2022). For a project to be sustainable over time, it is important to have a constant supply of funding, often from the public, sponsors or local authorities.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Conclusion<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Coral restoration is becoming increasingly widespread, but its effectiveness is not the same everywhere, and some reefs do not survive in the long term (Bostr\u00f6m-Einarsson et al., 2020). Although still in its infancy, this approach to <\/span><b>coral restoration can draw on decades of similar work, particularly in land-based reforestation<\/b><span style=\"font-weight: 400;\">. Applying these 10 golden rules, inspired by recommendations for terrestrial systems, and coordinating associations and governments on a larger scale, in particular, would perhaps enable coral reefs to be restored effectively and allow some of them to survive in a context of climate change.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Cited literature:<\/b><\/p>\n<h5>Quigley K.M., Hein M., Suggett D.J. 2022. <i>Translating the 10 golden rules of reforestation for coral reef restoration<\/i>. Conservation biology. 36(4), e13890.<\/h5>\n<h5><span style=\"font-weight: 400;\">Bell J.J., Micaroni V., Strano F., 2021. <\/span><i><span style=\"font-weight: 400;\">Regime shifts on tropical coral reef ecosystems: future trajectories to animal-dominated states in response to anthropogenic stressors<\/span><\/i><span style=\"font-weight: 400;\">. Emerg. Top. Life Sci. 6, 95-106.\u00a0<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Bostr\u00f6m-Einarsson, L., Babcock, R.C., Bayraktarov, E., Ceccarelli, D., Cook, N., Ferse, S.C.A., Hancock, B., Harrison, P., Hein, M., Shaver, E., Smith, A., Suggett, D., Stewart-Sinclair, P.J., Vardi, T., McLeod, I.M., 2020. <\/span><i><span style=\"font-weight: 400;\">Coral restoration \u2013 A systematic review of current methods, successes, failures and future directions<\/span><\/i><span style=\"font-weight: 400;\">. PLOS ONE 15, e0226631.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">dela Cruz D.W., Harrison P.L. 2020. <\/span><i><span style=\"font-weight: 400;\">Enhancing coral recruitment through assisted mass settlement of cultured coral larvae<\/span><\/i><span style=\"font-weight: 400;\">. PLoS ONE 15, e0242847.\u00a0<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">DiSacco A., Hardwick K.A., Blakesley D., Brancalion P.H S., Breman E., Rebola L.C., Antonelli A. 2021. <\/span><i><span style=\"font-weight: 400;\">Ten golden rules for reforestation to optimise carbon sequestration, biodiversity recovery and livelihood benefits<\/span><\/i><span style=\"font-weight: 400;\">. Global ChangeBiology. 27(7), 1328-1348.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Forsman Z.H., Page C.A., Tooned R.J., Vaughan D. 2015. <\/span><i><span style=\"font-weight: 400;\">Growing coral larger and faster: Micro-colony-fusion as a strategy for accelerating coral cover<\/span><\/i><span style=\"font-weight: 400;\">. PeerJ. <\/span><i><span style=\"font-weight: 400;\">3<\/span><\/i><span style=\"font-weight: 400;\">, e1313.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Goergen E., Schopmeyer S., Moulding A.L., Moura A., Kramer P., Viehman T.S. 2020. <\/span><i><span style=\"font-weight: 400;\">Coral reef restoration monitoring guide: Methods to evaluate restoration success from local to ecosystem scales<\/span><\/i><span style=\"font-weight: 400;\">. NOAA Technical Memorandum NOS NCCOS 279.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Graham N.A.J., Nash K.L. 2013. <\/span><i><span style=\"font-weight: 400;\">The importance of structural complexity in coral reef ecosystems<\/span><\/i><span style=\"font-weight: 400;\">. Coral Reefs 32, 315-326.\u00a0<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Hein, M. Y., McLeod, I. M., Shaver, E. C., Vardi, T., Pioch, S., Bostr\u00f6mEinarsson, L., Ahmed, M., &amp; Grimsditch, G. 2020. <\/span><i><span style=\"font-weight: 400;\">Coral Reef Restoration as a strategy to improve ecosystem services \u2013A guide to coral restoration methods<\/span><\/i><span style=\"font-weight: 400;\">. United Nations Environment Program.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Madin J.S., Madin E. 2015. <\/span><i><span style=\"font-weight: 400;\">The full extent of the global coral reef crisis<\/span><\/i><span style=\"font-weight: 400;\">. Conservation Biology, 29(6), 1724-1726.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Mumby P.J., Harborne A.R. 2010. <\/span><i><span style=\"font-weight: 400;\">Marine reserves enhance the recovery of corals on Caribbean reefs<\/span><\/i><span style=\"font-weight: 400;\">. PLOS ONE 5, e8657.\u00a0<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">O\u2019Neil K.L., Serafin R.M., Patterson J.T., Craggs J.R K. 2021. <\/span><i><span style=\"font-weight: 400;\">Repeated ex situ spawning in two highly disease susceptible corals in the family Meandrinidae<\/span><\/i><span style=\"font-weight: 400;\">. Frontiers in Marine Science. <\/span><i><span style=\"font-weight: 400;\">8<\/span><\/i><span style=\"font-weight: 400;\">, 463.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Reaka-Kudla M.L. 1996. <\/span><i><span style=\"font-weight: 400;\">The global biodiversity of coral reefs: A comparison with rainforests<\/span><\/i><span style=\"font-weight: 400;\">, in: Biodiversity II: Understanding and Protecting Our Biological Resources. Joseph Henry Press.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Shaver E.C., Courtney C.A., West J.M., Maynard J., Hein M., Wagner C., \u2026, Koss J. 2020. <\/span><i><span style=\"font-weight: 400;\">A manager\u2019s guide to coral reef restoration planning and design<\/span><\/i><span style=\"font-weight: 400;\">. Technical Memorandum CRCP. Coral Reef Conservation Program, National Oceanic and Atmospheric Administration.<\/span><\/h5>\n<h5><span style=\"font-weight: 400;\">Stewart-Sinclair P.J., Klein C.J., Bateman I.J., Lovelock C.E. 2021. <\/span><i><span style=\"font-weight: 400;\">Spatial cost\u2013benefit analysis of blue restoration and factors driving net benefits globally<\/span><\/i><span style=\"font-weight: 400;\">. Conservation Biology. <\/span><i><span style=\"font-weight: 400;\">35<\/span><\/i><span style=\"font-weight: 400;\">(6), 1850-1860.<\/span><\/h5>\n<h5><\/h5>\n<div role=\"form\" class=\"wpcf7\" id=\"wpcf7-f22507-p22507-o1\" lang=\"en-US\" dir=\"ltr\"><div><div class=\"wpcf7-form\"><div class=\"fit-the-fullspace\"><div><div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div><form action=\"\/en\/wp-json\/wp\/v2\/posts\/32888#wpcf7-f22507-p22507-o1\" method=\"post\" class=\"wpcf7-form init\" enctype=\"\" autocomplete=\"autocomplete\" novalidate=\"novalidate\" data-status=\"init\" locale=\"en_US\"><div style=\"display: block;\"><input type=\"hidden\" name=\"_wpcf7\" value=\"22507\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"5.8.6\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f22507-p22507-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<input type=\"hidden\" name=\"_wpcf7_fit-the-fullspace\" value=\"\" \/>\n<\/div><p><label> Your name<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span> <\/label>\n<\/p>\n<p><label> Your email<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span> <\/label>\n<\/p>\n<p><label> Subject<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span> <\/label>\n<\/p>\n<p><label> Your message (optional)<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span> <\/label>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Submit\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div><\/form><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Special thanks to Margaux Hein, Kate M. Quigley and David J. Suggett. Coral restoration is becoming more and more widespread throughout the world, often on&#8230; <\/p>\n","protected":false},"author":19,"featured_media":32886,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12],"tags":[353,656],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The 10 golden rules of coral restoration - Coral Guardian<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coralguardian.org\/en\/les-10-regles-dor-de-la-restauration-corallienne\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The 10 golden rules of coral restoration - Coral Guardian\" \/>\n<meta property=\"og:description\" content=\"Special thanks to Margaux Hein, Kate M. 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