{"id":36244,"date":"2021-10-21T11:13:36","date_gmt":"2021-10-21T09:13:36","guid":{"rendered":"https:\/\/www.deepspot.com\/recifs-coralliens-quest-ce-quun-recif-corallien-et-qui-le-construit\/"},"modified":"2024-05-20T10:55:32","modified_gmt":"2024-05-20T08:55:32","slug":"recifs-coralliens-quest-ce-quun-recif-corallien-et-qui-le-construit","status":"publish","type":"post","link":"https:\/\/www.deepspot.com\/fr\/recifs-coralliens-quest-ce-quun-recif-corallien-et-qui-le-construit\/","title":{"rendered":"R\u00e9cifs coralliens &#8211; qu&#8217;est-ce qu&#8217;un r\u00e9cif corallien et qui le construit ?"},"content":{"rendered":"\n<p>Les r\u00e9cifs coralliens sont des formations sous-marines cr\u00e9\u00e9es par les <strong>coraux<\/strong>. Les esp\u00e8ces de coraux sp\u00e9cifiques qui forment des structures calcaires dures forment lentement la roche dure qui constitue la base du r\u00e9cif. Nous incluons les esp\u00e8ces de coraux construisant des r\u00e9cifs sous le nom commun de coraux madr\u00e9poraires. Les polypes coralliens sont g\u00e9n\u00e9ralement des animaux coloniaux qui forment des structures \u00e9labor\u00e9es, mais les polypes madr\u00e9poraires qui construisent les r\u00e9cifs forment des squelettes calcaires internes qui sont responsables de la construction de la base du r\u00e9cif corallien.  <\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002-1024x576.jpg?strip=all\" alt=\"\" class=\"wp-image-13469\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002-1024x576.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002-300x169.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002-768x432.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002.jpg?strip=all 1280w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002.jpg?strip=all&amp;w=512 512w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/13Ustnik-maskowiec-s-00002.jpg?strip=all&amp;w=450 450w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<p>Il est peu probable que les diff\u00e9rentes esp\u00e8ces de coraux madr\u00e9poriques soient \u00e9troitement apparent\u00e9es, mais elles partagent des structures et des fonctions similaires. Ces coraux vivent en <strong>symbiose avec des alg <\/strong>ues (chaque esp\u00e8ce de corail &#8220;cultive&#8221; ses propres algues), les &#8220;zooxanthelles&#8221;, qui fournissent aux polypes du corail des substances \u00e9nerg\u00e9tiques produites par photosynth\u00e8se. Gr\u00e2ce \u00e0 cette coop\u00e9ration, les coraux se d\u00e9veloppent tr\u00e8s bien dans les eaux g\u00e9n\u00e9ralement pauvres en nutriments des oc\u00e9ans. Par ailleurs, les coraux formant des r\u00e9cifs se d\u00e9veloppent mieux dans les eaux claires et peu profondes. C&#8217;est pourquoi les plus beaux r\u00e9cifs sont cr\u00e9\u00e9s \u00e0 proximit\u00e9 des \u00eeles, \u00e0 l&#8217;abri de la pollution, y compris de la pollution naturelle comme le limon transport\u00e9 par les grandes rivi\u00e8res qui se jettent dans l&#8217;oc\u00e9an.<\/p>\n\n<p>Les r\u00e9cifs coralliens n&#8217;occupent qu&#8217;une petite partie &#8211; c\u00f4ti\u00e8re &#8211; des oc\u00e9ans, mais cr\u00e9ent un environnement favorable \u00e0 un grand nombre d&#8217;esp\u00e8ces animales. Les r\u00e9cifs, qui occupent environ 0,1 % de la surface des oc\u00e9ans, abritent 25 % de toutes les esp\u00e8ces oc\u00e9aniques.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008-1024x575.jpg?strip=all\" alt=\"\" class=\"wp-image-13475\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008-1024x575.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008-300x169.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008-768x431.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008.jpg?strip=all 1280w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008.jpg?strip=all&amp;w=512 512w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/500IMG_2014-s-00008.jpg?strip=all&amp;w=450 450w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">\n          <strong>Comment se forme un r\u00e9cif corallien et de quoi est-il compos\u00e9 ?<\/strong>\n        <\/h2>\n\n<p>Les coraux madr\u00e9poraires produisent des <strong>exosquelettes calcaires<\/strong> (c&#8217;est-\u00e0-dire des squelettes externes) qui forment les structures dures sur lesquelles reposent les polypes vivants. Une fois qu&#8217;ils sont morts, d&#8217;autres polypes vivants se d\u00e9veloppent \u00e0 la surface et la structure calcaire dure restante forme un noyau dur. Lentement, gr\u00e2ce \u00e0 la croissance continue de nouveaux polypes vivants et \u00e0 l&#8217;accumulation d&#8217;une structure calcaire dure, un &#8220;rocher&#8221; corallien se constitue.<\/p>\n\n<p>Les diff\u00e9rentes esp\u00e8ces de coraux formant les r\u00e9cifs ont des formes caract\u00e9ristiques. La partie sup\u00e9rieure, vivante, des polypes forme des structures horizontales ressemblant \u00e0 des tables, des structures en forme de cornes, de grands tubercules ou des &#8220;cerveaux&#8221;. Se p\u00e9n\u00e9trant les uns les autres, se d\u00e9veloppant \u00e0 partir de la surface et laissant un int\u00e9rieur calcaire dur lorsqu&#8217;ils meurent, ils forment lentement une roche calcaire en croissance. Cette roche pr\u00e9sente des<strong>&#8220;empreintes<\/strong>&#8221; visibles dans sa structure des anciens coraux qui l&#8217;ont construite. Sa perc\u00e9e montre qu&#8217;il ne s&#8217;est pas form\u00e9 comme le calcaire normal \u00e0 partir d&#8217;une accumulation de micro-organismes tr\u00e8s fins, mais \u00e0 partir de structures coralliennes imprim\u00e9es de plus grande taille.<\/p>\n\n<p>Les coraux ayant besoin de <strong>lumi\u00e8re <\/strong>(\u00e9nergie obtenue par les algues gr\u00e2ce \u00e0 la <strong>photosynth\u00e8se<\/strong>) et de micro-organismes captur\u00e9s dans l&#8217;eau par les polypes pour se d\u00e9velopper, les coraux madr\u00e9poraires se d\u00e9veloppent plus rapidement dans la zone peu profonde, constamment baign\u00e9e par l&#8217;eau nouvelle apport\u00e9e par le courant et les vagues. Le d\u00e9veloppement pr\u00e9coce des coraux madr\u00e9pores et donc leur activit\u00e9 de formation de r\u00e9cifs, combin\u00e9s aux mouvements naturels des fonds marins par rapport \u00e0 la surface de l&#8217;eau, ont conduit \u00e0 la formation d&#8217;atolls et d&#8217;autres formations sur des centaines de milliers d&#8217;ann\u00e9es.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009-1024x575.jpg?strip=all\" alt=\"\" class=\"wp-image-13481\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009-1024x575.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009-300x169.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009-768x431.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009.jpg?strip=all 1280w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009.jpg?strip=all&amp;w=512 512w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/956IMG_2747-s-00009.jpg?strip=all&amp;w=450 450w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">\n          <strong>O\u00f9 se trouvent les r\u00e9cifs coralliens ?<\/strong>\n        <\/h2>\n\n<p>Les r\u00e9cifs coralliens typiques cr\u00e9\u00e9s par les coraux madr\u00e9pora se trouvent dans des zones o\u00f9 la temp\u00e9rature de l&#8217;eau ne descend pas en dessous de 18-20 degr\u00e9s et ne d\u00e9passe pas 30 degr\u00e9s. Les r\u00e9gions les plus courantes se situent entre 30 degr\u00e9s de latitude nord et 30 degr\u00e9s de latitude sud. Il doit \u00e9galement s&#8217;agir de zones o\u00f9 une bonne clart\u00e9 de l&#8217;eau fournit un apport de lumi\u00e8re aux algues vivant en symbiose avec les polypes formant les r\u00e9cifs.<\/p>\n\n<p>La mer Rouge, la Grande Barri\u00e8re de Corail en Australie, les r\u00e9cifs autour des \u00eeles de Micron\u00e9sie et de Polyn\u00e9sie et les r\u00e9cifs des Cara\u00efbes sont autant de r\u00e9gions o\u00f9 l&#8217;on trouve des r\u00e9cifs coralliens d&#8217;une grande beaut\u00e9.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012-1024x683.jpg?strip=all\" alt=\"\" class=\"wp-image-13487\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012-1024x683.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012-300x200.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012-768x512.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012.jpg?strip=all 1200w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012.jpg?strip=all&amp;w=240 240w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012.jpg?strip=all&amp;w=480 480w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_4078-s-00012.jpg?strip=all&amp;w=960 960w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">\n          <strong>Pourquoi les r\u00e9cifs coralliens meurent-ils ?<\/strong>\n        <\/h2>\n\n<p>L&#8217;extinction des coraux madr\u00e9poraires et donc la <strong>menace qui p\u00e8se sur la p\u00e9rennit\u00e9 des r\u00e9cifs<\/strong> sont li\u00e9es \u00e0 plusieurs facteurs. Ces menaces sont l&#8217;augmentation de la temp\u00e9rature des oc\u00e9ans, la pollution caus\u00e9e par l&#8217;homme, la surp\u00eache, en particulier de certaines esp\u00e8ces animales.<\/p>\n\n<p>Un exemple int\u00e9ressant de l&#8217;impact de l&#8217;homme sur la destruction des r\u00e9cifs est le ph\u00e9nom\u00e8ne de la reproduction excessive de puissantes \u00e9toiles de mer appel\u00e9es &#8221; <strong>couronnes d&#8217;\u00e9pines<\/strong>&#8220;. Cette belle \u00e9toile de mer, \u00e0 l&#8217;aspect pour le moins \u00e9tonnant, se nourrit des tissus des coraux vivants. Bien s\u00fbr, de tr\u00e8s nombreuses cr\u00e9atures se nourrissent du r\u00e9cif, mais le probl\u00e8me, comme toujours, est celui de l&#8217;\u00e9quilibre. Un escargot \u00e0 la belle coquille, le <strong>Triton g\u00e9ant<\/strong> (Charonia <strong>tritonis<\/strong> ), se nourrit de la Couronne d&#8217;\u00e9pines. Cependant, cet escargot est r\u00e9colt\u00e9 en masse pour sa belle coquille et, en l&#8217;absence d&#8217;un pr\u00e9dateur pour contr\u00f4ler la population de Crown of Thorns, l&#8217;augmentation des effectifs entra\u00eene une destruction excessive des r\u00e9cifs coralliens. Dans certaines r\u00e9gions, on tente de r\u00e9duire le nombre d&#8217;individus de Crown of Thorns, mais leur pi\u00e9geage par l&#8217;homme est difficile et montre \u00e0 quel point il est difficile de r\u00e9tablir l&#8217;\u00e9quilibre l\u00e0 o\u00f9 les activit\u00e9s humaines l&#8217;ont perturb\u00e9.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013-1024x683.jpg?strip=all\" alt=\"\" class=\"wp-image-13493\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013-1024x683.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013-300x200.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013-768x512.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013.jpg?strip=all 1200w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013.jpg?strip=all&amp;w=240 240w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013.jpg?strip=all&amp;w=480 480w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/IMG_6185-s-00013.jpg?strip=all&amp;w=960 960w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">\n          <strong>Comment sauver les r\u00e9cifs coralliens ?<\/strong>\n        <\/h2>\n\n<p>Les r\u00e9cifs coralliens, qui disparaissent en raison de la pollution et de la surchauffe de l&#8217;eau, font l&#8217;objet de tentatives de <strong>sauvetage <\/strong>et de <strong>restauration<\/strong>. Dans de nombreuses r\u00e9gions, les <strong>bases artificielles des r\u00e9cifs coralliens<\/strong> sont cr\u00e9\u00e9es en y greffant des polypes vivants. Toutefois, ces m\u00e9thodes n&#8217;ont de chance que lorsque le facteur qui d\u00e9truit le r\u00e9cif a \u00e9t\u00e9 \u00e9limin\u00e9, ce qui n\u00e9cessite une am\u00e9lioration des conditions pr\u00e9c\u00e9demment endommag\u00e9es. En g\u00e9n\u00e9ral, la sauvegarde des r\u00e9cifs menac\u00e9s consiste \u00e0 emp\u00eacher l&#8217;empoisonnement et la pollution des oc\u00e9ans. Les probl\u00e8mes de propret\u00e9 de l&#8217;eau sont \u00e9galement aggrav\u00e9s par l&#8217;augmentation de la temp\u00e9rature de l&#8217;eau due au r\u00e9chauffement climatique et aux changements de direction des courants oc\u00e9aniques permanents.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015-1024x768.jpg?strip=all\" alt=\"\" class=\"wp-image-13505\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015-1024x768.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015-300x225.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015-768x576.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015.jpg?strip=all 1067w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015.jpg?strip=all&amp;w=213 213w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015.jpg?strip=all&amp;w=426 426w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015.jpg?strip=all&amp;w=640 640w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Blacha-i-zolw-s-00015.jpg?strip=all&amp;w=853 853w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">\n          <strong>R\u00e9cifs coralliens et plong\u00e9e<\/strong>\n        <\/h2>\n\n<p>Les r\u00e9cifs coralliens sont un <strong>paradis pour les plongeurs<\/strong>, car ils cr\u00e9ent un \u00e9cosyst\u00e8me qui permet une densit\u00e9 incroyable d&#8217;esp\u00e8ces animales diverses. Parall\u00e8lement, la plong\u00e9e, qu&#8217;il s&#8217;agisse de <a href=\"https:\/\/www.deepspot.com\/fr\/quest-ce-que-la-plongee-avec-tuba-comment-commencer\/\" data-type=\"post\" data-id=\"9999\">plong\u00e9e avec tuba<\/a> ou de <a href=\"https:\/\/www.deepspot.com\/fr\/pour-qui\/scuba-diving\/\" data-type=\"page\" data-id=\"721\">plong\u00e9e<\/a> sous-marine, est un moyen d&#8217;acc\u00e9der \u00e0 ces endroits magnifiques. Sans la plong\u00e9e, le monde nous serait ferm\u00e9. Apprendre \u00e0 <a href=\"https:\/\/www.deepspot.com\/fr\/la-plongee-de-a-a-z-chez-deepspot-decouvrez-a-qui-sadresse-une-aventure-dans-le-monde-sous-marin\/\" data-type=\"post\" data-id=\"5343\">plonger<\/a> est le premier pas vers ce monde magnifique. Regarder des films montrant la vie sous-marine sur les r\u00e9cifs est d\u00e9j\u00e0 une exp\u00e9rience forte, mais se rendre soi-m\u00eame sur les sites, plonger dans l&#8217;eau bleue claire et voir de ses propres yeux les cr\u00e9atures color\u00e9es avec en toile de fond les magnifiques r\u00e9cifs est une aventure incroyable. Si vous voulez voir des r\u00e9cifs sous-marins, apprenez \u00e0 plonger. Vous apprendrez \u00e0 plonger, \u00e0 voir les r\u00e9cifs.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1-1024x768.jpg?strip=all\" alt=\"\" class=\"wp-image-13511\" srcset=\"https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1-1024x768.jpg?strip=all 1024w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1-300x225.jpg?strip=all 300w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1-768x576.jpg?strip=all 768w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1.jpg?strip=all 1067w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1.jpg?strip=all&amp;w=213 213w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1.jpg?strip=all&amp;w=426 426w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1.jpg?strip=all&amp;w=640 640w, https:\/\/eco3ygde435.exactdn.com\/wp-content\/uploads\/sites\/2\/2021\/10\/Sipadan-Podwodne-Iwona-i-zolw-4-s-00001-1.jpg?strip=all&amp;w=853 853w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Les r\u00e9cifs coralliens sont des formations sous-marines cr\u00e9\u00e9es par les coraux. Les esp\u00e8ces de coraux sp\u00e9cifiques qui forment des structures calcaires dures forment lentement la roche dure qui constitue la base du r\u00e9cif. Nous incluons les esp\u00e8ces de coraux construisant des r\u00e9cifs sous le nom commun de coraux madr\u00e9poraires. Les polypes coralliens sont g\u00e9n\u00e9ralement des [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":13466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[111,64,112,109],"tags":[],"class_list":["post-36244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apnee","category-blog-fr","category-plongee-sous-marine","category-pour-les-debutants"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9cifs coralliens - qu&#039;est-ce qu&#039;un r\u00e9cif corallien et qui le construit ? - Deepspot<\/title>\n<meta name=\"description\" content=\"Deepspot \u27a4 R\u00e9cifs coralliens - qu&#039;est-ce qu&#039;un r\u00e9cif corallien et qui le construit ?\" \/>\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.deepspot.com\/fr\/recifs-coralliens-quest-ce-quun-recif-corallien-et-qui-le-construit\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9cifs coralliens - qu&#039;est-ce qu&#039;un r\u00e9cif corallien et qui le construit ? 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