{"id":125696,"date":"2026-02-03T16:51:36","date_gmt":"2026-02-03T16:51:36","guid":{"rendered":"https:\/\/www.africa-press.net\/burkina-faso\/politique\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu"},"modified":"2026-02-03T16:56:35","modified_gmt":"2026-02-03T16:56:35","slug":"plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu","title":{"rendered":"Plong\u00e9e \u00e0 1.000 M\u00e8tres Sous Les Mers Vers Un Monde M\u00e9connu"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Burkina Faso. <\/strong><\/span>Une descente a\u0300 pre\u0300s de 1.000 me\u0300tres de profondeur au royaume des coraux pourpres et des crevettes bioluminescentes: l&rsquo;AFP a embarque\u0301 a\u0300 bord d&rsquo;un submersible d&rsquo;OceanX, l&rsquo;ONG qui tente de mieux comprendre le monde marin, lors d&rsquo;une mission en Indone\u0301sie.<\/p>\n<p>Les scientifiques y e\u0301tudient la biodiversite\u0301 d&rsquo;un monde en grande partie inexplore\u0301, a\u0300 la recherche d&rsquo;espe\u0300ces inconnues, de microbes mangeurs de plastique et de compose\u0301s qui pourraient un jour permettre de produire de nouveaux me\u0301dicaments.<\/p>\n<p>Ce travail est mene\u0301 depuis le navire OceanXplorer, e\u0301quipe\u0301 d&rsquo;un he\u0301licopte\u0300re, d&rsquo;un vaste laboratoire d&rsquo;analyse ge\u0301ne\u0301tique mais aussi de deux submersibles. Ces engins, arme\u0301s d&rsquo;un e\u0301quipement impressionnant, de bras de collecte hydrauliques aux tubes d&rsquo;aspiration en passant par des came\u0301ras a\u0300 tre\u0300s haute de\u0301finition, sont capables de de\u0301couvrir des formes de vie improbables dans certaines des conditions les plus extre\u0302mes de la plane\u0300te.<\/p>\n<p>La plus re\u0301cente mission d&rsquo;OceanX s&rsquo;est concentre\u0301e sur une chai\u0302ne de montagnes sous-marines situe\u0301e au large des Ce\u0301le\u0300bes (Sulawesi). Apre\u0300s l&rsquo;avoir cartographie\u0301e l&rsquo;anne\u0301e dernie\u0300re, les scientifiques ont explore\u0301 ses fonds a\u0300 bord de leurs engins de l&rsquo;extre\u0302me.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"511\" class=\"alignnone wp-image-125691 size-full\" src=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125019.677665.jpg\" srcset=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125019.677665.jpg 768w, https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125019.677665-300x200.jpg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>Passe\u0301 un premier palier de moins 200 me\u0300tres, les dernie\u0300res traces de lumie\u0300re disparaissent et l&rsquo;indigo se fond dans l&rsquo;obscurite\u0301 totale.<\/p>\n<p>Les spots du submersible re\u0301ve\u0300lent alors un tourbillon constant de \u00ab\u00a0neige marine\u00a0\u00bb, des de\u0301bris, notamment d&rsquo;animaux en de\u0301composition, flottant dans la colonne d&rsquo;eau, comme une image trouble issue d&rsquo;un vieux te\u0301le\u0301viseur bloque\u0301 entre deux chai\u0302nes.<\/p>\n<p>Des cre\u0301atures marines que la plupart des humains ne verront jamais apparaissent, notamment de de\u0301licates cte\u0301nophores, souvent confondues avec des me\u0301duses, illumine\u0301es de guirlandes scintillantes sur leurs flancs.<\/p>\n<p>Des siphonophores, en grande partie translucides, de\u0301rivent, tandis que des poissons de la taille d&rsquo;un ongle scintillent.<\/p>\n<p>Husna Nugrahapraja, un scientifique indone\u0301sien, se dit \u00ab\u00a0un peu nerveux et anxieux\u00a0\u00bb pour sa premie\u0300re descente. Avant de se re\u0301jouir de pouvoir \u00ab\u00a0observer de nombreux organismes uniques\u00a0\u00bb, des de\u0301licates e\u0301toiles de mer aux coraux mous.<\/p>\n<p>&#8211; Vue a\u0300 360 degre\u0301s &#8211;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"511\" class=\"alignnone wp-image-125692 size-full\" src=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125025.106595.jpg\" srcset=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125025.106595.jpg 768w, https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125025.106595-300x200.jpg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>Les submersibles ont e\u0301te\u0301 utilise\u0301s depuis des de\u0301cennies pour l&rsquo;exploration sous-marine. OceanXplorer en transporte deux: le Neptune, destine\u0301 a\u0300 la collecte et a\u0300 l&rsquo;observation scientifiques, et le Nadir, conc\u0327u pour la production de contenu me\u0301diatique.<\/p>\n<p>Car OceanX, fonde\u0301e par le financier ame\u0301ricain Ray Dalio et son fils, estime que des images percutantes rendent la recherche scientifique plus accessible et plus efficace.<\/p>\n<p>Les deux mini-sous-marins peuvent plonger a\u0300 un kilome\u0300tre de profondeur, bien moins que les 6.000 me\u0300tres que peut atteindre le ve\u0301hicule te\u0301le\u0301commande\u0301 (ROV) d&rsquo;OceanXplorer.<\/p>\n<p>Mais les deux engins offrent une vision unique des grands fonds marins, \u00ab\u00a0une perspective totalement diffe\u0301rente\u00a0\u00bb de la vide\u0301o transmise au navire par le ROV, rele\u0300ve Dave Pollock, qui dirige l&rsquo;e\u0301quipe en charge des submersibles.<\/p>\n<p>\u00ab\u00a0Nous recevons beaucoup de scientifiques tre\u0300s sceptiques a\u0300 l&rsquo;e\u0301gard des submersibles\u00a0\u00bb, explique-t-il. Mais \u00ab\u00a0presque tous ceux qui embarquent et qui participent a\u0300 une plonge\u0301e changent d&rsquo;avis, sans exception\u00a0\u00bb.<\/p>\n<p>Depuis la sphe\u0300re transparente de l&rsquo;appareil, les scientifiques peuvent voir pour la premie\u0300re fois des organismes ou des lieux qu&rsquo;ils ont e\u0301tudie\u0301s pendant des anne\u0301es.<\/p>\n<p>&#8211; Bioluminescence &#8211;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" class=\"alignnone wp-image-125693 size-full\" src=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125030.253673.jpg\" srcset=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125030.253673.jpg 768w, https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125030.253673-300x200.jpg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>Parmi les moments les plus me\u0301morables de ses centaines d&rsquo;heures passe\u0301es en plonge\u0301e, Dave Pollock cite la \u00ab\u00a0bioluminescence re\u0301fle\u0301chie\u00a0\u00bb, spectacle unique des signaux lumineux e\u0301mis par des animaux des profondeurs abyssales pour communiquer, se de\u0301fendre ou attirer un partenaire.<\/p>\n<p>Pour de\u0301clencher le phe\u0301nome\u0300ne, le submersible e\u0301teint toutes ses lumie\u0300res. Me\u0302me les e\u0301crans de contro\u0302le sont couverts pour cre\u0301er une obscurite\u0301 totale.<\/p>\n<p>Puis l&rsquo;engin fait clignoter ses puissants faisceaux lumineux pendant que les passagers ferment les yeux. Quand ils les ouvrent, une galaxie d&rsquo;e\u0301toiles bleute\u0301es apparai\u0302t, e\u0301mises par planctons, me\u0301duses ou poissons.<\/p>\n<p>&#8211; Crustace\u0301s inconnus &#8211;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"511\" class=\"alignnone wp-image-125694 size-full\" src=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125034.906517.jpg\" srcset=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125034.906517.jpg 768w, https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125034.906517-300x200.jpg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>Alors que beaucoup associent les submersibles a\u0300 l&rsquo;implosion en 2023 d&rsquo;un appareil en plonge\u0301e vers l&rsquo;e\u0301pave du Titanic (cinq morts), Dave Pollock se veut rassurant.<\/p>\n<p>Les engins utilise\u0301s par OceanXplorer \u00ab\u00a0sont conc\u0327us pour e\u0302tre su\u0302rs\u00a0\u00bb, sont e\u0301quipe\u0301s de syste\u0300mes de secours, notamment d&rsquo;une autonomie de quatre jours en cas d&rsquo;urgence et sont re\u0301gulie\u0300rement inspecte\u0301s, de\u0301taille-t-il.<\/p>\n<p>Pour explorer des zones plus profondes, le ROV d&rsquo;OceanX peut e\u0302tre ope\u0301re\u0301 depuis une salle de contro\u0302le futuriste sur le navire, ou\u0300 deux ope\u0301rateurs activent son bras hydraulique a\u0300 l&rsquo;aide de manettes.<\/p>\n<p>Sur le mur d&rsquo;e\u0301crans apparai\u0302t un paysage de\u0301sole\u0301 qui pourrait faire penser a\u0300 une autre plane\u0300te. Avec ses propres extraterrestres, que l&rsquo;engin te\u0301le\u0301guide\u0301 va tenter de capturer: un homard blanc ou encore un concombre de mer couvert de pics qui s&rsquo;affaissent comme des spaghettis noirs une fois a\u0300 la surface. Egalement repe\u0301re\u0301: un bernard-l&rsquo;hermite qui ne vit pas dans une carapace mais dans un cadavre d&rsquo;e\u0301toile de mer ou\u0300 il a pondu des oeufs oranges vifs.<\/p>\n<p>Lors du retour du ROV avec ses e\u0301chantillons, Pipit Pitriana, de l&rsquo;agence indone\u0301sienne publique de recherche BRIN, est particulie\u0300rement fascine\u0301e par le homard capture\u0301, ainsi que par des petits crustace\u0301s gros comme des perles qu&rsquo;elle pense inconnus de la science.<\/p>\n<p>\u00ab\u00a0Notre terre, notre mer, sont en grande partie constitue\u0301es de grands fonds marins\u00a0\u00bb, constate cette spe\u0301cialiste des crustace\u0301s. \u00ab\u00a0Mais (&#8230;) nous connaissons si peu de choses sur la biodiversite\u0301 des grands fonds marins\u00a0\u00bb.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Burkina Faso<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Burkina Faso. Une descente a\u0300 pre\u0300s de 1.000 me\u0300tres de profondeur au royaume des coraux pourpres et des crevettes bioluminescentes: l&rsquo;AFP a embarque\u0301 a\u0300 bord d&rsquo;un submersible d&rsquo;OceanX, l&rsquo;ONG qui tente de mieux comprendre le monde marin, lors d&rsquo;une mission en Indone\u0301sie. Les scientifiques y e\u0301tudient la biodiversite\u0301 d&rsquo;un monde en grande partie [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":125695,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[29],"class_list":["post-125696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-burkina-faso"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Plong\u00e9e \u00e0 1.000 M\u00e8tres Sous Les Mers Vers Un Monde M\u00e9connu - Burkina Faso<\/title>\n<meta name=\"description\" content=\"Une descente a\u0300 pre\u0300s de 1.000 me\u0300tres de profondeur au royaume des coraux pourpres et des crevettes bioluminescentes: l ...\" \/>\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.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plong\u00e9e \u00e0 1.000 M\u00e8tres Sous Les Mers Vers Un Monde M\u00e9connu\" \/>\n<meta property=\"og:description\" content=\"Une descente a\u0300 pre\u0300s de 1.000 me\u0300tres de profondeur au royaume des coraux pourpres et des crevettes bioluminescentes: l ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\" \/>\n<meta property=\"og:site_name\" content=\"Burkina Faso\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-03T16:51:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-03T16:56:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125040.235473.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Plong\u00e9e \u00e0 1.000 M\u00e8tres Sous Les Mers Vers Un Monde M\u00e9connu\",\"datePublished\":\"2026-02-03T16:51:36+00:00\",\"dateModified\":\"2026-02-03T16:56:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\"},\"wordCount\":1027,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2026\/02\/sm_1770125040.235473.jpg\",\"keywords\":[\"Burkina Faso\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\",\"url\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/plongee-a-1-000-metres-sous-les-mers-vers-un-monde-meconnu\",\"name\":\"Plong\u00e9e \u00e0 1.000 M\u00e8tres Sous Les Mers Vers Un Monde M\u00e9connu - 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