{"id":9699,"date":"2021-06-18T15:26:18","date_gmt":"2021-06-18T08:26:18","guid":{"rendered":"https:\/\/www.blackturtledive.com\/blog\/what-is-coral-bleaching-and-what-causes-it\/"},"modified":"2026-02-02T10:19:11","modified_gmt":"2026-02-02T03:19:11","slug":"what-is-coral-bleaching-and-what-causes-it","status":"publish","type":"post","link":"https:\/\/www.blackturtledive.com\/fr\/blog\/what-is-coral-bleaching-and-what-causes-it\/","title":{"rendered":"Qu&rsquo;est-ce que le blanchiment des coraux et quelles en sont les causes"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<h2>Comprendre le corail et le blanchiment des coraux<\/h2>\n<div  data-ep-a=\"fadeIn\"  id=\"_ytid_41702\"  width=\"800\" height=\"450\"  data-origwidth=\"800\" data-origheight=\"450\"  data-relstop=\"1\" data-facadesrc=\"https:\/\/www.youtube.com\/embed\/mOi8NGXTDi0?enablejsapi=1&origin=https:\/\/www.blackturtledive.com&autoplay=0&cc_load_policy=0&cc_lang_pref=&iv_load_policy=1&loop=0&rel=0&fs=1&playsinline=0&autohide=2&theme=dark&color=red&controls=1&disablekb=0&\" class=\"__youtube_prefs__ epyt-facade  no-lazyload\" data-epautoplay=\"1\" ><img decoding=\"async\" data-spai-excluded=\"true\" class=\"epyt-facade-poster skip-lazy\" loading=\"lazy\"  alt=\"Join The Coral Watch Specialty Course In Koh Tao: Protect Our Reefs\"  src=\"https:\/\/i.ytimg.com\/vi\/mOi8NGXTDi0\/maxresdefault.jpg\"  \/><button class=\"epyt-facade-play\" aria-label=\"Play\"><svg data-no-lazy=\"1\" height=\"100%\" version=\"1.1\" viewBox=\"0 0 68 48\" width=\"100%\"><path class=\"ytp-large-play-button-bg\" d=\"M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z\" fill=\"#f00\"><\/path><path d=\"M 45,24 27,14 27,34\" fill=\"#fff\"><\/path><\/svg><\/button><\/div><span itemprop=\"video\" itemscope itemtype=\"http:\/\/schema.org\/VideoObject\"><meta itemprop=\"embedUrl\" content=\"https:\/\/www.youtube.com\/embed\/mOi8NGXTDi0\"><meta itemprop=\"name\" content=\"Join The Coral Watch Specialty Course In Koh Tao: Protect Our Reefs\"><meta itemprop=\"description\" content=\"Embark on a journey to protect our oceans with the Coral Watch Specialty Course in Koh Tao, offered by Black Turtle Dive. This unique course, in collaboration with CoralWatch and the Project AWARE Foundation, empowers you to monitor and safeguard the health of coral reefs. As a marine protector, you&#039;ll learn about coral health, engage in hands-on activities, and contribute to global conservation efforts. This video is about joining the Coral Watch Specialty Course In Koh Tao: Protect Our Reefs. But It also covers the following topics: Ocean Health Awareness Black Turtle Dive Scuba Education Coral Reef Monitoring Video Title: Join The Coral Watch Specialty Course In Koh Tao: Protect Our Reefs | BlackTurtleDive.com \ud83d\udd14Get on a Life-Changing Underwater Adventure with Us \u2013 Your Gateway to the Ocean&#039;s Wonders! Hit Subscribe Now to Join Our Community of Ocean Advocates. https:\/\/www.youtube.com\/&#064;BlackTurtleDive\/?sub_confirmation=1 \u2705Important Links to Follow \ud83d\udd17Brand Channels \u2728Main diving courses brand: https:\/\/www.blackturtledive.com\/ \u2728PADI Dive Courses ( Pro level): https:\/\/idckohtao.com\/ \u2728Marine Conservation Internships: https:\/\/www.ecokohtao.com\/ \u2705 Stay Connected With Us. \ud83d\udc49Facebook: https:\/\/www.facebook.com\/blackturtledive \ud83d\udc49Instagram: https:\/\/www.instagram.com\/blackturtledive\/ \ud83d\udc49Threads: https:\/\/www.threads.net\/&#064;blackturtledive \ud83d\udc49Tiktok: https:\/\/www.tiktok.com\/&#064;blackturtledive \ud83d\udc49Twitter (X): https:\/\/twitter.com\/blackturtledive \ud83d\udc49Pinterest: https:\/\/www.pinterest.com\/blackturtledive\/ \ud83d\udc49Website: https:\/\/www.blackturtledive.com\/ \u2705 For Business Inquiries: media&#064;blackturtledive.com ============================= \u2705 Recommended Playlists \ud83d\udc49 Koh Tao Marine Life (Part 1) https:\/\/www.youtube.com\/watch?v=1D3Dbtrq5vI&amp;list=PLW_jU0PKLEUGS-ZQjvOB0_8q7cZZmOqCC&amp;pp=iAQB \ud83d\udc49PADI Instructor Development Course (IDC) | Black Turtle Dive, Koh Tao https:\/\/www.youtube.com\/watch?v=kXPwkxj0gyg&amp;list=PLW_jU0PKLEUEUo8dW4l2QD8ywAwK7xP1c&amp;pp=iAQB \u2705 Other Videos You Might Be Interested In Watching: \ud83d\udc49 Whaleshark Koh Tao https:\/\/www.youtube.com\/watch?v=1D3Dbtrq5vI \ud83d\udc49 Pink Tail Trigger Fish Koh Tao https:\/\/www.youtube.com\/watch?v=JrQtGqlxnX8 \ud83d\udc49 Ocellated Eagle Ray Koh Tao https:\/\/www.youtube.com\/watch?v=xiO-23risdc \ud83d\udc49 Tailfin Batfish Koh Tao https:\/\/www.youtube.com\/watch?v=RCjIBjmvSZM \ud83d\udc49 Yellow Boxfish Koh Tao Thailand https:\/\/www.youtube.com\/watch?v=lpzasbtGAqY ============================= \u2705 About Black Turtle Dive. As a modern and innovative Scuba Diving Center, Black Turtle Dive is passionate about the ocean, and through our training, we want to empower you to become a competent and confident scuba diver. Our diving courses equip you with the skills, knowledge, and awareness necessary to explore the ocean safely while becoming a passionate advocate and protector of the marine environment. If you have never dived before or are a certified diver and want to develop your skills further, our tailored, bespoke courses and programs will inspire you to become an Ocean advocate. Our scientific-based Marine Conservation Internships, or Reef Ecology And Conservation Training program (REACT), offer aspiring scuba divers and marine conservationists the best marine conservation internships on Koh Tao. We offer students three levels of Marine Conservation Internships at our beachside location on Koh Tao in Thailand. For Collaboration and Business inquiries, please use the contact information below: \ud83d\udce9 Email: media&#064;blackturtledive.com \ud83d\udd14Discover the Underwater World with Us: Expert Training, Unforgettable Experiences, and a Commitment to Marine Protection. Subscribe Now: https:\/\/www.youtube.com\/&#064;BlackTurtleDive\/?sub_confirmation=1 ================================= #coralwatch #marineconservation #kohtao #scubadiving #coralreefs #blackturtledive \u26a0\ufe0fDISCLAIMER: We do not accept any liability for any loss or damage incurred from you acting or not acting as a result of watching any of our publications. You acknowledge that you use the information we provide at your own risk. Do your research. Copyright Notice: This video and our YouTube channel contain dialogue, music, and images that are the property of Black Turtle Dive. You are authorized to share the video link and channel and embed this video in your website or others as long as a link back to our YouTube channel is provided. \u00a9 Black Turtle Dive\"><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/mOi8NGXTDi0\/0.jpg\"><meta itemprop=\"duration\" content=\"PT2M32S\"><meta itemprop=\"uploadDate\" content=\"2021-06-17T10:36:29Z\"><\/span>\n<p>Beaucoup de nos <a href=\"https:\/\/www.blackturtledive.com\/padi-diving-courses\/\">plongeurs<\/a> demandent ce qu&rsquo;est le corail et quel est son but.<\/p>\n<p>Ce sont des questions auxquelles tous les plongeurs devraient conna\u00eetre la r\u00e9ponse, car cela vous aidera \u00e0 <a href=\"https:\/\/www.blackturtledive.com\/conservation\/marine-conservation-courses\/coral-reef-conservation-diver\/\">mieux comprendre les \u00e9cosyst\u00e8mes marins<\/a> que vous passez tant de temps \u00e0 visiter.<\/p>\n<h3>D\u00e9fenseur de l&rsquo;oc\u00e9an<\/h3>\n<p>Ces connaissances importantes vous permettent de mieux comprendre les d\u00e9fis complexes auxquels notre plan\u00e8te et l&rsquo;humanit\u00e9 sont confront\u00e9es au 21e si\u00e8cle.<\/p>\n<p>En vous aidant \u00e0 <a href=\"https:\/\/www.blackturtledive.com\/conservation\/marine-conservation-courses\/coral-watch-specialty\/\">comprendre ce qu&rsquo;est le corail<\/a>, nous esp\u00e9rons vous inspirer \u00e0 devenir un d\u00e9fenseur de l&rsquo;oc\u00e9an et \u00e0 faire partie de la solution pour un changement durable.<\/p>\n<figure id=\"attachment_7979\" aria-describedby=\"caption-attachment-7979\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-7979\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-coral-koh-tao.jpg\" alt=\"A Closer Look at Coral\" width=\"1100\" height=\"735\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-coral-koh-tao.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-coral-koh-tao-1024x684.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-coral-koh-tao-768x513.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-coral-koh-tao-150x100.jpg 150w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-7979\" class=\"wp-caption-text\">A Closer Look at Coral<\/figcaption><\/figure>\n<h3>Le corail est-il un animal ou une plante ?<\/h3>\n<p>Les coraux sont des invert\u00e9br\u00e9s marins qui font partie de la classe des anthozoaires, dans le phylum animal \u00ab cnidaria \u00bb, qui comprend \u00e9galement les an\u00e9mones de mer et les m\u00e9duses.<\/p>\n<p>Les animaux individuels sont appel\u00e9s polypes qui ont <span style=\"color: #28d4ff;\">tendance \u00e0 avoir un corps cylindrique<\/span>, avec une bouche au sommet, entour\u00e9 de tentacules utilis\u00e9s pour la d\u00e9fense et pour nettoyer les d\u00e9bris du polype ou pour attraper les petits animaux qui d\u00e9rivent.<\/p>\n<p>Bien que certains polypes soient solitaires, ils ont tendance \u00e0 vivre en colonies, compos\u00e9es de nombreux polypes.<\/p>\n<h3><span style=\"color: #28d4ff;\">R\u00e9cifs corail<\/span><\/h3>\n<p>Les esp\u00e8ces de coraux durs ou pierreux (scl\u00e9ractiniens) sont d&rsquo;importants constructeurs de r\u00e9cifs que l&rsquo;on trouve dans les oc\u00e9ans tropicaux. Les polypes s\u00e9cr\u00e8tent du carbonate de calcium \u00e0 sa base et forment avec le temps un squelette dur prot\u00e9geant les colonies de polypes multiples.<\/p>\n<p>Les coraux tirent la plupart de l&rsquo;\u00e9nergie et des nutriments dont ils ont besoin pour rester en bonne sant\u00e9 des microalgues, car les eaux tropicales dans lesquelles ils vivent ont tendance \u00e0 \u00eatre pauvres en nutriments.<\/p>\n<p>Les microalgues ont une relation symbiotique mutualiste avec le corail et sont appel\u00e9es dinoflagell\u00e9s endosymbiotiques, plus commun\u00e9ment appel\u00e9es zooxanthelles et elles vivent dans les tissus du corail.<\/p>\n<p>Les dinoflagell\u00e9s effectuent la photosynth\u00e8se mais au lieu d&rsquo;utiliser la photosynth\u00e8se eux-m\u00eames, ils en lib\u00e8rent la majeure partie dans les tissus du corail.<\/p>\n<p>Cela donne au corail suffisamment d&rsquo;\u00e9nergie pour continuer \u00e0 former et \u00e0 construire son squelette de carbonate de calcium.<\/p>\n<p>Cette symbiose donne \u00e9galement aux coraux leur couleur et au fur et \u00e0 mesure que le corail se m\u00e9tabolise, les d\u00e9chets produits sont recycl\u00e9s en tant que nutriments pour les dinoflagell\u00e9s.<\/p>\n<figure id=\"attachment_1096\" aria-describedby=\"caption-attachment-1096\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-1096\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao.jpg\" alt=\"Coral Reef Conservation Diver Koh Tao\" width=\"1100\" height=\"733\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao-300x200.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao-1024x682.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao-768x512.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao-150x100.jpg 150w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-reef-conservation-diver-koh-tao-450x300.jpg 450w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-1096\" class=\"wp-caption-text\">Coral Reef Conservation Diver Koh Tao<\/figcaption><\/figure>\n<h3>Pourquoi les r\u00e9cifs coralliens sont-ils si importants ?<\/h3>\n<p>D\u00e9crits comme les for\u00eats tropicales humides de l&rsquo;oc\u00e9an, les <a href=\"https:\/\/www.blackturtledive.com\/conservation\/marine-conservation-courses\/project-aware-specialty\/\">r\u00e9cifs coralliens<\/a> sont l&rsquo;un des \u00e9cosyst\u00e8mes les plus riches en biodiversit\u00e9 de la plan\u00e8te.<\/p>\n<p>Des milliers d&rsquo;esp\u00e8ces peuvent \u00eatre trouv\u00e9es sur un seul r\u00e9cif et les oc\u00e9ans autour de l&rsquo;Asie du Sud-Est sont les plus riches en biodiversit\u00e9 de la plan\u00e8te, regorgeant de <a href=\"https:\/\/www.blackturtledive.com\/koh-tao-marine-life\/\">milliers d&rsquo;esp\u00e8ces de poissons et de coraux<\/a>.<\/p>\n<p>En plus de fournir des habitats et des abris \u00e0 25 % de toutes les esp\u00e8ces marines, les r\u00e9cifs coralliens contribuent \u00e0 la fixation de l&rsquo;azote et du carbone et fournissent les nutriments essentiels n\u00e9cessaires \u00e0 des cha\u00eenes alimentaires saines.<\/p>\n<h3><span style=\"color: #28d4ff;\">Les r\u00e9cifs coralliens sont essentiels \u00e0 la sant\u00e9 des oc\u00e9ans<br \/>\n<\/span><\/h3>\n<p>Les r\u00e9cifs coralliens fournissent d&rsquo;importantes d\u00e9fenses c\u00f4ti\u00e8res et agissent comme des barri\u00e8res qui r\u00e9duisent l&rsquo;\u00e9nergie des vagues et prot\u00e8gent contre les temp\u00eates.<\/p>\n<p>Ils offrent une protection cruciale aux \u00e9tablissements c\u00f4tiers, y compris des zones telles que les for\u00eats de mangroves et les herbiers marins qui sont de grandes p\u00e9pini\u00e8res pour les animaux marins.<\/p>\n<p>On estime que les r\u00e9cifs coralliens mondiaux g\u00e9n\u00e8rent plus de 375 milliards de dollars par an et que plus de 500 millions de personnes dans le monde d\u00e9pendent des r\u00e9cifs coralliens pour leur nourriture et leur emploi.<\/p>\n<p>Les r\u00e9cifs coralliens ont \u00e9t\u00e9 d\u00e9crits comme <span style=\"color: #28d4ff;\"><em>les coffres des m\u00e9dicaments du 21e si\u00e8cle<\/em><\/span>, avec de nouvelles recherches m\u00e9dicales et pharmaceutiques ax\u00e9es sur les organismes marins.<\/p>\n<p>Des extraits d&rsquo;animaux et de plantes des r\u00e9cifs ont \u00e9t\u00e9 utilis\u00e9s dans le d\u00e9veloppement de m\u00e9dicaments pour traiter le cancer, le VIH, les maladies cardiaques, l&rsquo;arthrite, les ulc\u00e8res et bien plus encore.<\/p>\n<figure id=\"attachment_7981\" aria-describedby=\"caption-attachment-7981\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-7981\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-soft-coral-koh-tao.jpg\" alt=\"Soft Coral Koh Tao\" width=\"1100\" height=\"735\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-soft-coral-koh-tao.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-soft-coral-koh-tao-1024x684.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-soft-coral-koh-tao-768x513.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/06\/blackturtledive.com-soft-coral-koh-tao-150x100.jpg 150w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-7981\" class=\"wp-caption-text\">Soft Coral Koh Tao<\/figcaption><\/figure>\n<h3>Qu&rsquo;est-ce que le blanchiment du corail ?<\/h3>\n<p>Lorsque la temp\u00e9rature de l&rsquo;eau devient trop chaude, les coraux expulsent les microalgues vivant \u00e0 l&rsquo;int\u00e9rieur de leurs tissus, ce qui fait blanchir le corail, d&rsquo;o\u00f9 le terme <a href=\"https:\/\/www.thefunkyturtle.com\/fr\/conservation\/marine-conservation\/coral-bleaching\/\">\u00ab blanchiment des coraux \u00bb<\/a>.<\/p>\n<p>Maintenant que la principale source d&rsquo;\u00e9nergie des coraux a disparu, ils deviennent stress\u00e9s, fragiles et plus sensibles aux maladies.<\/p>\n<p>De nombreuses variables d\u00e9terminent quelles esp\u00e8ces de coraux blanchissent et lesquelles ont la plus grande r\u00e9sistance.<\/p>\n<p>Les coraux individuels diff\u00e8rent dans leurs r\u00e9ponses au stress d\u00fb \u00e0 la lumi\u00e8re et \u00e0 la chaleur et, par cons\u00e9quent, le degr\u00e9 auquel ils blanchissent \u00e9galement.<\/p>\n<h3><span style=\"color: #28d4ff;\">Qu&rsquo;est-ce qui cause le blanchissement du corail ?<br \/>\n<\/span><\/h3>\n<p>Le changement climatique est la <span style=\"color: #28d4ff;\">principale cause du blanchissement des coraux<\/span>.<\/p>\n<p>Le r\u00e9chauffement climatique signifie des oc\u00e9ans plus chauds et le blanchissement du corail peut se produire lorsque la temp\u00e9rature de l&rsquo;eau augmente d&rsquo;aussi peu que 1\u00b0C, ce qui oblige le corail \u00e0 expulser les algues.<\/p>\n<figure id=\"attachment_1016\" aria-describedby=\"caption-attachment-1016\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-1016\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao.jpg\" alt=\"Marine Conservation Awareness Specialty Courses Koh Tao\" width=\"1100\" height=\"733\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao-300x200.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao-1024x682.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao-768x512.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao-150x100.jpg 150w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-awareness-specialty-courses-koh-tao-450x300.jpg 450w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-1016\" class=\"wp-caption-text\">Marine Conservation Awareness Specialty Courses Koh Tao<\/figcaption><\/figure>\n<h3>Le corail peut-il se remettre des \u00e9v\u00e9nements de blanchissement ?<\/h3>\n<p>Si l&rsquo;augmentation de la temp\u00e9rature n&rsquo;est que de courte dur\u00e9e, les <span style=\"color: #28d4ff;\">coraux survivants peuvent repousser leurs algues<\/span> et s&rsquo;il y a des coraux sains \u00e0 proximit\u00e9, ils peuvent \u00e9galement aider \u00e0 repeupler la zone touch\u00e9e.<\/p>\n<p>Cependant, s&rsquo;il y a un \u00e9v\u00e9nement de blanchissement majeur, ou des impacts suppl\u00e9mentaires tels que l&rsquo;acidification des oc\u00e9ans ou la pollution sont pr\u00e9sents, alors de vastes zones de coraux peuvent mourir et la r\u00e9cup\u00e9ration peut prendre de nombreuses ann\u00e9es.<\/p>\n<p>D&rsquo;autres facteurs qui d\u00e9terminent si les coraux se r\u00e9tablissent apr\u00e8s un \u00e9v\u00e9nement de blanchissement <a href=\"https:\/\/www.blackturtledive.com\/koh-tao\/weather\/\">comprennent les diff\u00e9rences de temps<\/a>, les courants oc\u00e9aniques, la proximit\u00e9 des remont\u00e9es d&rsquo;eau plus froide et tout impact humain local et bien s\u00fbr les temp\u00e9ratures de l&rsquo;eau.<\/p>\n<h3><span style=\"color: #28d4ff;\">R\u00e9ponses au blanchiment des coraux<br \/>\n<\/span><\/h3>\n<p>Des taux de r\u00e9cup\u00e9ration et des tol\u00e9rances individuelles diff\u00e9rents ont \u00e9t\u00e9 not\u00e9s dans les colonies de la m\u00eame esp\u00e8ce et entre diff\u00e9rentes esp\u00e8ces.<\/p>\n<p>Il a \u00e9galement \u00e9t\u00e9 d\u00e9montr\u00e9 que les mod\u00e8les spatiaux affectent les r\u00e9ponses de blanchissement avec la m\u00eame esp\u00e8ce de corail pr\u00e9sentant des r\u00e9actions contrast\u00e9es aux \u00e9v\u00e9nements de blanchissement \u00e0 diff\u00e9rents endroits.<\/p>\n<p>L&rsquo;acidification des oc\u00e9ans, caus\u00e9e par les \u00e9missions de gaz \u00e0 effet de serre et une augmentation du CO2 dans l&rsquo;oc\u00e9an, affecte \u00e9galement le blanchissement des coraux, r\u00e9duisant la capacit\u00e9 des coraux \u00e0 s\u00e9cr\u00e9ter du carbonate de calcium pour construire et r\u00e9parer leur squelette.<\/p>\n<figure id=\"attachment_1223\" aria-describedby=\"caption-attachment-1223\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-1223\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand.jpg\" alt=\"Marine Conservation Internships Koh Tao\" width=\"1100\" height=\"733\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand-300x200.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand-1024x682.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand-768x512.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand-150x100.jpg 150w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-marine-conservation-internship-koh-tao-thailand-450x300.jpg 450w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-1223\" class=\"wp-caption-text\">Marine Conservation Internships Koh Tao<\/figcaption><\/figure>\n<h3>Comment les r\u00e9cifs coralliens de Koh Tao ont-ils \u00e9t\u00e9 affect\u00e9s par le blanchissement des coraux ?<\/h3>\n<p>Il y a eu quatre \u00e9v\u00e9nements de blanchissement majeurs \u00e0 <a href=\"https:\/\/www.blackturtledive.com\/koh-tao\/\">Koh Tao<\/a>, en 1998, 2010, 2014 et 2016.<\/p>\n<p>Tous ont eu des effets significatifs sur la sant\u00e9, l&rsquo;abondance et la couverture corallienne des r\u00e9cifs coralliens autour de Koh Tao, en particulier les \u00e9v\u00e9nements de 1998 et 2010, ce dernier qui a dur\u00e9 5 mois et provoqu\u00e9 un blanchissement sans pr\u00e9c\u00e9dent.<\/p>\n<p>De grands pourcentages de coraux morts ont \u00e9t\u00e9 observ\u00e9s dans certaines des baies les <a href=\"https:\/\/www.blackturtledive.com\/koh-tao-dive-sites\/\">moins profondes autour de Koh Tao<\/a>.<\/p>\n<p>G\u00e9n\u00e9ralement, au cours des 20 derni\u00e8res ann\u00e9es, les <span style=\"color: #28d4ff;\">coraux autour de Koh Tao<\/span> ont connu des p\u00e9riodes de croissance et de d\u00e9veloppement, puis un \u00e9v\u00e9nement de blanchissement les a stress\u00e9s et ont du mal \u00e0 se remettre.<\/p>\n<h3><span style=\"color: #28d4ff;\">R\u00e9cup\u00e9ration de corail \u00e0 Koh Tao<br \/>\n<\/span><\/h3>\n<p>Dans certains cas, il y aura des signes de maladie et de susceptibilit\u00e9 \u00e0 la pr\u00e9dation.<\/p>\n<p>Apr\u00e8s l&rsquo;\u00e9v\u00e9nement de blanchissement du corail de 1998, il a \u00e9t\u00e9 enregistr\u00e9 que les r\u00e9cifs autour de Koh Tao ont perdu environ 17% de la couverture corallienne en seulement 5 ans.<\/p>\n<p>Cependant, par rapport aux autres r\u00e9cifs coralliens de Tha\u00eflande, <span style=\"color: #28d4ff;\">la r\u00e9cup\u00e9ration des coraux a \u00e9t\u00e9 \u00e9lev\u00e9e autour de Koh Tao<\/span>.<\/p>\n<p>Les donn\u00e9es obtenues \u00e0 partir d&rsquo;enqu\u00eates sur les r\u00e9cifs ont montr\u00e9 que la couverture corallienne s&rsquo;\u00e9tait encore accrue (2006-2014), notant que les r\u00e9cifs autour de Koh Tao poss\u00e8dent une des <a href=\"https:\/\/www.blackturtledive.com\/conservation\/marine-conservation-courses\/\">couvertures coralliennes et une biodiversit\u00e9<\/a> parmi les plus \u00e9lev\u00e9es du golfe de Tha\u00eflande.<\/p>\n<figure id=\"attachment_3769\" aria-describedby=\"caption-attachment-3769\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-3769\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral.jpg\" alt=\"Lighthouse Bay Dive Site Koh Tao - Corals\" width=\"1100\" height=\"619\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-300x169.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-1024x576.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-768x432.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-150x84.jpg 150w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-3769\" class=\"wp-caption-text\">Lighthouse Bay Dive Site Koh Tao &#8211; Corals<\/figcaption><\/figure>\n<h3><span style=\"color: #28d4ff;\">Participez aux enqu\u00eates Coral Watch sur la sant\u00e9 des coraux<br \/>\n<\/span><\/h3>\n<p>L&rsquo;une des fa\u00e7ons dont nous pouvons aider \u00e0 surveiller les \u00e9v\u00e9nements de blanchissement des coraux est de mener des enqu\u00eates sur la sant\u00e9 des coraux et en tant que plongeurs \u00e0 Koh Tao, nous sommes dans une position unique pour contribuer.<\/p>\n<p><a href=\"https:\/\/www.blackturtledive.com\/fr\/\">Black Turtle Dive<\/a> m\u00e8ne des <span style=\"color: #28d4ff;\">enqu\u00eates locales de Coral Watch<\/span>, une m\u00e9thode simple et non invasive d&rsquo;\u00e9valuation de la <span style=\"color: #28d4ff;\"><em>sant\u00e9 des coraux et de surveillance du blanchissement des coraux<\/em><\/span>, d\u00e9velopp\u00e9e par des scientifiques de l&rsquo;Universit\u00e9 du Queensland.<\/p>\n<p>Ce programme simple de science citoyenne aide les gens \u00e0 comprendre la situation critique de nos r\u00e9cifs coralliens, ce qu&rsquo;est le blanchissement des coraux et pourquoi il se produit.<\/p>\n<p>En utilisant le <span style=\"color: #28d4ff;\">\u00ab Coral Health Chart \u00bb<\/span>, tout plongeur ou <a href=\"https:\/\/www.blackturtledive.com\/fun-diving-koh-tao\/\">plongeur<\/a> peut surveiller la sant\u00e9 de n&rsquo;importe quel r\u00e9cif de corail, n&rsquo;importe o\u00f9 dans le monde.<\/p>\n<p>\u00c0 l&rsquo;aide de l&rsquo;application Coral Watch ou directement via le site Web, les plongeurs et les <a href=\"https:\/\/www.blackturtledive.com\/experience-programs\/snorkel-koh-tao\/\">snorkelers<\/a> peuvent t\u00e9l\u00e9charger leurs r\u00e9sultats dans la base de donn\u00e9es, ce qui aide les scientifiques \u00e0 surveiller les tendances mondiales.<\/p>\n<figure id=\"attachment_1027\" aria-describedby=\"caption-attachment-1027\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-1027\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao.jpg\" alt=\"Coral Watch Health Chart Course Koh Tao\" width=\"1100\" height=\"825\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-300x225.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-1024x768.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-768x576.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-853x640.jpg 853w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-150x113.jpg 150w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/11\/blackturtledive.com-coral-watch-course-koh-tao-450x338.jpg 450w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-1027\" class=\"wp-caption-text\">Coral Watch Health Chart Course Koh Tao<\/figcaption><\/figure>\n<h3>Comment r\u00e9soudre le probl\u00e8me du blanchissement des coraux ?<\/h3>\n<p>Ce n&rsquo;est pas un probl\u00e8me facile \u00e0 r\u00e9soudre. Cela n\u00e9cessite une quantit\u00e9 incroyable de coop\u00e9ration internationale et de bonne volont\u00e9, mais le monde doit r\u00e9duire son empreinte carbone.<\/p>\n<p>Le changement climatique est le plus grand d\u00e9fi auquel l&rsquo;humanit\u00e9 est confront\u00e9e et une \u00e9norme menace pour les \u00e9cosyst\u00e8mes des r\u00e9cifs coralliens qui sont si importants pour maintenir l&rsquo;\u00e9quilibre d\u00e9licat et la sant\u00e9 de la plan\u00e8te.<\/p>\n<p>Il y a des limites aux tol\u00e9rances thermiques des coraux qui vivent sur nos r\u00e9cifs. M\u00eame un petit changement de temp\u00e9rature conduit au blanchissement du corail et pire encore, \u00e0 la mort du corail.<\/p>\n<p>Les \u00e9missions de carbone augmentant l&rsquo;acidit\u00e9 des oc\u00e9ans, la <span style=\"color: #28d4ff;\">r\u00e9sistance de nos r\u00e9cifs coralliens<\/span> est mise \u00e0 rude \u00e9preuve.<\/p>\n<p>En fin de compte, lutter contre le changement climatique est la seule solution \u00e0 long terme pour prot\u00e9ger nos r\u00e9cifs du blanchissement des coraux.<\/p>\n<figure id=\"attachment_2096\" aria-describedby=\"caption-attachment-2096\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-2096\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral.jpg\" alt=\"Great Dive Sites for Beginners Koh Tao\" width=\"1200\" height=\"670\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral.jpg 1200w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral-300x168.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral-1024x572.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral-768x429.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-best-dive-sites-koh-tao-coral-150x84.jpg 150w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-2096\" class=\"wp-caption-text\">Great Dive Sites for Beginners Koh Tao<\/figcaption><\/figure>\n<h3>Comment r\u00e9duire votre empreinte carbone<\/h3>\n<p>Vous pouvez faire votre part en marchant, en v\u00e9lo ou en utilisant les transports en commun afin de r\u00e9duire votre empreinte carbone.<\/p>\n<p>La conservation de l&rsquo;eau aide aussi. Le pompage, le chauffage et le traitement de l&rsquo;eau consomment beaucoup d&rsquo;\u00e9nergie.<\/p>\n<p>Prendre des douches plus courtes, fermer le robinet lorsque vous vous brossez les dents et installer des appareils \u00e9conomes en eau pour r\u00e9duire la consommation d&rsquo;\u00e9lectricit\u00e9 \u00e0 la maison, tous contribueront \u00e0 r\u00e9duire votre empreinte carbone.<\/p>\n<p>\u00c9vitez d&rsquo;utiliser des pesticides et des engrais sur votre jardin, compostez votre nourriture et r\u00e9duisez votre plastique et autres d\u00e9chets. Apprenez \u00e0 recycler davantage et arr\u00eatez compl\u00e8tement d&rsquo;utiliser des plastiques \u00e0 usage unique.<\/p>\n<p>La surp\u00eache a des <span style=\"color: #28d4ff;\">effets d\u00e9vastateurs sur les r\u00e9cifs coralliens<\/span> et faire des choix \u00e9clair\u00e9s sur le poisson et les fruits de mer que vous achetez et mangez aidera \u00e0 <a href=\"https:\/\/www.blackturtledive.com\/blog\/why-sea-turtles-are-important-for-a-healthy-ocean\/\">garder nos oc\u00e9ans en bonne sant\u00e9<\/a>.<\/p>\n<figure id=\"attachment_2986\" aria-describedby=\"caption-attachment-2986\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-2986\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand.jpg\" alt=\"CoralWatch Coral Heath Chart Specialty Course Koh Tao\" width=\"1100\" height=\"619\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand-300x169.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand-1024x576.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand-768x432.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2020\/12\/blackturtledive.com-coral-watch-specialty-course-koh-tao-thailand-150x84.jpg 150w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-2986\" class=\"wp-caption-text\">CoralWatch Coral Heath Chart Specialty Course Koh Tao<\/figcaption><\/figure>\n<h3><span style=\"color: #28d4ff;\">Garder nos oc\u00e9ans en bonne sant\u00e9<br \/>\n<\/span><\/h3>\n<p>R\u00e9duire la consommation de viande et passer \u00e0 une alimentation plus v\u00e9g\u00e9tale, contribuera \u00e0 r\u00e9duire l&rsquo;impact sur l&rsquo;environnement.<\/p>\n<p>Tous ces petits efforts individuels s&rsquo;additionnent et font la diff\u00e9rence, cependant, ils ne sont qu&rsquo;un \u00e9l\u00e9ment du labyrinthe de solutions n\u00e9cessaires pour lutter <span style=\"color: #28d4ff;\">contre le changement climatique<\/span> et inverser le d\u00e9clin de nos r\u00e9cifs coralliens.<\/p>\n<p>En tant qu&rsquo;humanit\u00e9, nous devons cesser de d\u00e9pendre du p\u00e9trole.<\/p>\n<p>Lubrifiant de l&rsquo;\u00e9conomie mondiale, le p\u00e9trole est pr\u00e9sent dans \u00e0 peu pr\u00e8s tout ce que nous utilisons, des plastiques aux v\u00eatements que nous portons et aux d\u00e9tergents avec lesquels nous nettoyons. Il est \u00e9galement fondamental pour le transport des marchandises et des personnes.<\/p>\n<p>Nous devons passer \u00e0 des <span style=\"color: #28d4ff;\">alternatives respectueuses de l&rsquo;environnement<\/span>, telles que les plastiques d&rsquo;origine v\u00e9g\u00e9tale, l&rsquo;\u00e9nergie \u00e9olienne et houlomotrice, l&rsquo;\u00e9nergie solaire et les voitures \u00e9lectriques.<\/p>\n<figure id=\"attachment_3767\" aria-describedby=\"caption-attachment-3767\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-3767\" src=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations.jpg\" alt=\"Lighthouse Bay Dive Site Koh Tao - Marine Life\" width=\"1100\" height=\"619\" srcset=\"https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations.jpg 1100w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations-300x169.jpg 300w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations-1024x576.jpg 1024w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations-768x432.jpg 768w, https:\/\/www.blackturtledive.com\/wp-content\/uploads\/2021\/01\/blackturtledive.com-Lighthouse-Bay-dive-site-koh-tao-coral-formations-150x84.jpg 150w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-3767\" class=\"wp-caption-text\">Lighthouse Bay Dive Site Koh Tao &#8211; Marine Life<\/figcaption><\/figure>\n<h3>Impliquez-vous dans des projets de conservation<\/h3>\n<p>Devenez plus engag\u00e9, <a href=\"https:\/\/www.blackturtledive.com\/conservation\/\">rejoignez un mouvement de conservation<\/a> et votez pour des repr\u00e9sentants qui se sont engag\u00e9s dans une action politique sur le changement climatique.<\/p>\n<p>Nos repr\u00e9sentants doivent prendre des d\u00e9cisions \u00e0 partir des preuves fournies par la recherche scientifique, aidant \u00e0 r\u00e9duire les \u00e9missions tout en passant \u00e0 une \u00e9conomie \u00e0 faible \u00e9mission de carbone.<\/p>\n<p>Chacun d&rsquo;entre nous peut contribuer \u00e0 rendre nos oc\u00e9ans et notre monde meilleurs, en changeant nos habitudes quotidiennes et en faisant des choix plus durables.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Lorsque la temp\u00e9rature de l&rsquo;eau devient trop chaude, les coraux expulsent les microalgues vivant \u00e0 l&rsquo;int\u00e9rieur de leurs tissus, ce qui fait blanchir le corail.<\/p>\n","protected":false},"author":2,"featured_media":9701,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14,20,15],"tags":[257,251,255,256,258],"class_list":["post-9699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservation","category-koh-tao","category-marine-life","tag-marine-conservation-fr","tag-koh-tao-fr","tag-conservation-fr","tag-coral-reefs-fr","tag-marine-life-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce que le blanchiment des coraux et quelles en sont les causes<\/title>\n<meta name=\"description\" content=\"Lorsque la temp\u00e9rature de l&#039;eau devient trop chaude, les coraux expulsent les microalgues vivant \u00e0 l&#039;int\u00e9rieur de leurs 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