{"id":17,"date":"2025-10-01T18:40:18","date_gmt":"2025-10-01T16:40:18","guid":{"rendered":"https:\/\/aldabra.plasticodyssey.org\/?page_id=17"},"modified":"2025-10-08T17:16:14","modified_gmt":"2025-10-08T15:16:14","slug":"a-propos","status":"publish","type":"page","link":"https:\/\/aldabra.plasticodyssey.org\/fr\/a-propos\/","title":{"rendered":"\u00c0 propos d\u2019Aldabra"},"content":{"rendered":"

[vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbgrid\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb el_class=\u00a0\u00bbpt22 pb8 sk_overlay\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb background_image=\u00a0\u00bb83″][vc_column width=\u00a0\u00bb2\/3″ el_class=\u00a0\u00bbwhite sk_tablet_width\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\u00c0 propos d\u2019Aldabra<\/h1>\n

Situ\u00e9 \u00e0 plus de 1 000 kilom\u00e8tres de Mah\u00e9, capitale des Seychelles, Aldabra fait partie des Outer Islands, un archipel d\u2019atolls et d\u2019\u00eelots encore largement inexplor\u00e9s. Constitu\u00e9 de quatre grandes \u00eeles entourant l\u2019un des plus vastes lagons du monde<\/strong>, Aldabra est reconnu pour ses eaux turquoise et sa biodiversit\u00e9 exceptionnelle.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbgrid\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb el_class=\u00a0\u00bbpt10 pb10 sk_triangle_top_left\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb anchor=\u00a0\u00bbhistory\u00a0\u00bb][vc_column][qode_elements_holder number_of_columns=\u00a0\u00bbtwo_columns\u00a0\u00bb][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding=\u00a0\u00bb0 40px 0 0″ item_padding_480_600=\u00a0\u00bb0px 0px 30px 0px\u00a0\u00bb item_padding_480=\u00a0\u00bb0px 0px 30px 0px\u00a0\u00bb item_padding_768_1024=\u00a0\u00bb0px 0px 40px 0px\u00a0\u00bb item_padding_600_768=\u00a0\u00bb0px 0px 40px 0px\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_list\u00a0\u00bb]<\/p>\n

Un sanctuaire naturel isol\u00e9<\/h2>\n

Une arche vivante<\/span> de l\u2019oc\u00e9an indien<\/h3>\n

L\u2019atoll h\u00e9berge des \u00e9cosyst\u00e8mes marins et terrestres uniques : r\u00e9cifs coralliens, zones humides de mangrove et une faune remarquable, notamment :<\/p>\n

    \n
  • Tortue g\u00e9ante d\u2019Aldabra<\/li>\n
  • R\u00e2le d\u2019Aldabra<\/li>\n
  • Tortue verte<\/li>\n
  • Dugong<\/li>\n
  • Fr\u00e9gates<\/li>\n
  • Pha\u00e9tons<\/li>\n
  • Requin \u00e0 pointe noire des r\u00e9cifs<\/li>\n
  • Crabe de cocotier<\/li>\n
  • Fou \u00e0 pieds rouges<\/li>\n
  • Escargot ray\u00e9 d\u2019Aldabra<\/li>\n
  • Pluvier crabier et Drongo d\u2019Aldabra<\/li>\n<\/ul>\n

    Plus de 270 esp\u00e8ces v\u00e9g\u00e9tales, dont plusieurs end\u00e9miques, ainsi qu\u2019une forte concentration d\u2019oiseaux marins nicheurs.<\/strong>[\/vc_column_text][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb][vc_single_image image=\u00a0\u00bb624″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_img_radius pr3″][vc_single_image image=\u00a0\u00bb147″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbmt5 sk_img_radius pl3″][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbfull_width\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb anchor=\u00a0\u00bbhistory\u00a0\u00bb el_class=\u00a0\u00bbpt2 pb6″][vc_column]

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    \n\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t
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    \n\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n<\/div>[\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbgrid\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb el_class=\u00a0\u00bbpt10 pb10″ z_index=\u00a0\u00bb\u00a0\u00bb background_color=\u00a0\u00bb#eaebed\u00a0\u00bb anchor=\u00a0\u00bbcleanup\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbalign_center\u00a0\u00bb]<\/p>\n

    L\u2019\u00e9quilibre fragile d\u2019Aldabra<\/h2>\n

    [\/vc_column_text][qode_elements_holder number_of_columns=\u00a0\u00bbtwo_columns\u00a0\u00bb custom_class=\u00a0\u00bbmt6″][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding_480_600=\u00a0\u00bb0 0 30px 0″ item_padding_480=\u00a0\u00bb0 0 30px 0″ item_padding_768_1024=\u00a0\u00bb0 0 40px 0″ item_padding_600_768=\u00a0\u00bb0 0 40px 0″][vc_single_image image=\u00a0\u00bb137″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_img_radius\u00a0\u00bb][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding=\u00a0\u00bb0 0 0 40px\u00a0\u00bb item_padding_480_600=\u00a0\u00bb0 0 0 0″ item_padding_480=\u00a0\u00bb0 0 0 0″ item_padding_768_1024=\u00a0\u00bb0 0 0 0″ item_padding_600_768=\u00a0\u00bb0 0 0 0″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

    Pollution<\/span> plastique<\/h3>\n

    L\u2019oc\u00e9an Indien accumule une importante quantit\u00e9 de d\u00e9chets plastiques, avec 513 tonnes estim\u00e9es sur Aldabra (Koldewey et al., (2020)). Cosmoledo, expos\u00e9 aux m\u00eames courants, pourrait \u00e9galement \u00eatre fortement impact\u00e9, sans \u00e9tude syst\u00e9matique \u00e0 ce jour.[\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][qode_elements_holder number_of_columns=\u00a0\u00bbtwo_columns\u00a0\u00bb custom_class=\u00a0\u00bbmt6 sk_reverse\u00a0\u00bb][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding_480_600=\u00a0\u00bb0 0 30px 0″ item_padding_480=\u00a0\u00bb0 0 30px 0″ item_padding_768_1024=\u00a0\u00bb0 0 40px 0″ item_padding_600_768=\u00a0\u00bb0 0 40px 0″][vc_single_image image=\u00a0\u00bb140″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_img_radius\u00a0\u00bb][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding=\u00a0\u00bb0 40px 0 0″ item_padding_480_600=\u00a0\u00bb0 0 0 0″ item_padding_480=\u00a0\u00bb0 0 0 0″ custom_class=\u00a0\u00bbsk_reverse_text\u00a0\u00bb item_padding_768_1024=\u00a0\u00bb0 0 0 0″ item_padding_600_768=\u00a0\u00bb0 0 0 0″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

    Microplastiques<\/span> et bact\u00e9ries pathog\u00e8nes<\/h3>\n

    Les microplastiques, pr\u00e9sents partout, transportent des toxines et des micro-organismes pathog\u00e8nes, formant une \u00ab plastisph\u00e8re \u00bb potentiellement nuisible aux \u00e9cosyst\u00e8mes locaux.[\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][qode_elements_holder number_of_columns=\u00a0\u00bbtwo_columns\u00a0\u00bb custom_class=\u00a0\u00bbmt6″][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding_480_600=\u00a0\u00bb0 0 30px 0″ item_padding_480=\u00a0\u00bb0 0 30px 0″ item_padding_768_1024=\u00a0\u00bb0 0 40px 0″ item_padding_600_768=\u00a0\u00bb0 0 40px 0″][vc_single_image image=\u00a0\u00bb202″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_img_radius\u00a0\u00bb][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding=\u00a0\u00bb0 0 0 40px\u00a0\u00bb item_padding_480_600=\u00a0\u00bb0 0 0 0″ item_padding_480=\u00a0\u00bb0 0 0 0″ item_padding_768_1024=\u00a0\u00bb0 0 0 0″ item_padding_600_768=\u00a0\u00bb0 0 0 0″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_list\u00a0\u00bb]<\/p>\n

    Autres menaces<\/span> majeures<\/h3>\n
      \n
    • Esp\u00e8ces invasives (rats, chats sauvages, plantes exotiques).<\/li>\n
    • Changement climatique (mont\u00e9e des eaux, r\u00e9chauffement oc\u00e9anique, perturbation des pr\u00e9cipitations).<\/li>\n
    • Risque de mar\u00e9e noire li\u00e9 \u00e0 la proximit\u00e9 de grandes routes maritimes.<\/li>\n<\/ul>\n

      [\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbgrid\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb el_class=\u00a0\u00bbpt10 pb10 sk_triangle_top_left\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb anchor=\u00a0\u00bbhistory\u00a0\u00bb][vc_column][qode_elements_holder number_of_columns=\u00a0\u00bbtwo_columns\u00a0\u00bb][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb][vc_single_image image=\u00a0\u00bb179″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_img_radius pl3″][vc_single_image image=\u00a0\u00bb181″ img_size=\u00a0\u00bbfull\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb qode_css_animation=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbmt5 sk_img_radius pr3″][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=\u00a0\u00bbno\u00a0\u00bb item_padding=\u00a0\u00bb0 0 0 40px\u00a0\u00bb item_padding_480_600=\u00a0\u00bb40px 0px 0px 0px\u00a0\u00bb item_padding_480=\u00a0\u00bb40px 0px 0px 0px\u00a0\u00bb item_padding_768_1024=\u00a0\u00bb40px 0px 0px 0px\u00a0\u00bb item_padding_600_768=\u00a0\u00bb40px 0px 0px 0px\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bbsk_list\u00a0\u00bb]<\/p>\n

      70 ans d\u2019h\u00e9ritage scientifique<\/h2>\n

      De Cousteau \u00e0 Monaco<\/span><\/h3>\n
        \n
      • 1955<\/span> \u2013 Exp\u00e9dition de Jacques-Yves Cousteau<\/strong> : Exploration et tournage du documentaire \u00ab Le Monde du silence \u00bb et \u00e9criture du livre \u00ab Aldabra, Sanctuaire De Corail \u00bb.<\/li>\n
      • 1960<\/span> \u2013 Exp\u00e9dition de David Stoddart<\/strong> : \u00e9tude des populations de tortues g\u00e9antes sur l\u2019\u00eele d\u2019Aldabra<\/li>\n
      • 1970<\/span> \u2013 Cr\u00e9ation d\u2019une station de recherche<\/strong> : \u00c9tablie par la Royal Society de Londres sur l\u2019\u00eele Picard pour des \u00e9tudes approfondies.<\/li>\n
      • 2019<\/span> \u2013 Exp\u00e9dition Aldabra Clean-Up Project<\/strong> : 25 tonnes de d\u00e9chets plastiques collect\u00e9s en collaboration avec le Queen\u2019s College d\u2019Oxford.<\/li>\n
      • 2022<\/span> \u2013 Explorations de Monaco<\/strong> : \u00c9tude sur la r\u00e9silience des r\u00e9cifs coralliens avec la participation du prince Albert II.<\/li>\n<\/ul>\n

        Malgr\u00e9 ces exp\u00e9ditions, les donn\u00e9es scientifiques sur les impacts anthropiques \u00e0 Aldabra restent limit\u00e9es, tout comme les contenus m\u00e9diatiques mettant en valeur la beaut\u00e9 et la fragilit\u00e9 de ce site class\u00e9 au patrimoine mondial. <\/strong> Cette situation limite la prise de conscience globale des enjeux \u00e9cologiques majeurs de l\u2019atoll.[\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbfull_width\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb anchor=\u00a0\u00bbhistory\u00a0\u00bb el_class=\u00a0\u00bbpt2 pb6″][vc_column]

        \n\t
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        \n\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

        [vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbgrid\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb el_class=\u00a0\u00bbpt22 pb8 sk_overlay\u00a0\u00bb z_index=\u00a0\u00bb\u00a0\u00bb background_image=\u00a0\u00bb83″][vc_column width=\u00a0\u00bb2\/3″ el_class=\u00a0\u00bbwhite sk_tablet_width\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb] \u00c0 propos d\u2019Aldabra Situ\u00e9 \u00e0 plus de 1 000 kilom\u00e8tres de Mah\u00e9, capitale des Seychelles, Aldabra fait partie des Outer Islands, un archipel d\u2019atolls et d\u2019\u00eelots encore largement…<\/p>\n","protected":false},"author":2,"featured_media":467,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"full_width.php","meta":{"footnotes":""},"class_list":["post-17","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\n\u00c0 propos de l'atoll Aldabra | Exp\u00e9dition 2025 Atoll Aldabra<\/title>\n<meta name=\"description\" content=\"Situ\u00e9 \u00e0 plus de 1 000 kilom\u00e8tres de Mah\u00e9, capitale des Seychelles, Aldabra fait partie des Outer Islands, un archipel d\u2019atolls et d\u2019\u00eelots encore largement inexplor\u00e9s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aldabra.plasticodyssey.org\/fr\/a-propos\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c0 propos de 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