{"id":21163,"date":"2020-08-06T17:00:37","date_gmt":"2020-08-06T15:00:37","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=21163"},"modified":"2020-08-06T18:24:38","modified_gmt":"2020-08-06T16:24:38","slug":"on-vient-de-decouvrir-du-micro-plastique-jusquen-lecosysteme-de-lantarctique","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/on-vient-de-decouvrir-du-micro-plastique-jusquen-lecosysteme-de-lantarctique\/","title":{"rendered":"On vient de d\u00e9couvrir du micro-plastique jusque dans l\u2019\u00e9cosyst\u00e8me de l&rsquo;Antarctique"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Des particules de plastique ont d\u00e9j\u00e0 \u00e9t\u00e9 d\u00e9couvertes dans des organismes vivants aux quatre coins des oc\u00e9ans, jusqu&rsquo;au fond de la fosse des Mariannes, la plus profonde connue.<br \/>\nLes micro-plastiques s&rsquo;infiltrent partout dans les oc\u00e9ans du globe, y compris dans les \u00e9cosyst\u00e8mes terrestres les plus recul\u00e9s. Selon une \u00e9tude publi\u00e9e ce lundi dans la revue Biology Letters, des scientifiques ont en effet retrouv\u00e9 des fragments de polystyr\u00e8ne dans les entrailles de collemboles, de minuscules arthropodes terrestres, en Antarctique.<\/p>\n<p>Des particules de plastique ont d\u00e9j\u00e0 \u00e9t\u00e9 d\u00e9couvertes dans des organismes vivants aux quatre coins des oc\u00e9ans, jusqu&rsquo;au fond de la fosse des Mariannes, la plus profonde connue.<\/p>\n<p>Mais \u00ab\u00a0la contamination terrestre a \u00e9t\u00e9 largement n\u00e9glig\u00e9e\u00a0\u00bb, notent les auteurs de l&rsquo;\u00e9tude publi\u00e9e mercredi.<br \/>\nL&rsquo;\u00eele du Roi Georges, une des zones les plus contamin\u00e9es<br \/>\nIls se sont pench\u00e9s sur la situation des c\u00f4tes de l&rsquo;\u00eele du Roi Georges, une des r\u00e9gions \u00ab\u00a0les plus contamin\u00e9es\u00a0\u00bb de l&rsquo;Antarctique en raison de la pr\u00e9sence de stations de recherche scientifique, d&rsquo;infrastructures militaires, et m\u00eame de tourisme.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21164\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/on-vient-de-decouvrir-du-micro-plastique-jusquen-lecosysteme-de-lantarctique\/microplastique\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/microplastique.jpg?fit=700%2C420&amp;ssl=1\" data-orig-size=\"700,420\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"microplastique\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/microplastique.jpg?fit=700%2C420&amp;ssl=1\" class=\"size-full wp-image-21164 aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/microplastique.jpg?resize=700%2C420&#038;ssl=1\" alt=\"\" width=\"700\" height=\"420\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/microplastique.jpg?w=700&amp;ssl=1 700w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/microplastique.jpg?resize=300%2C180&amp;ssl=1 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>Ils y ont pr\u00e9lev\u00e9 entre les rochers un bout de polystyr\u00e8ne expans\u00e9 recouvert de micro-algues et de lichens, nourriture privil\u00e9gi\u00e9e des cryptopygus antarcticus, parmi les seuls organismes capables de survivre dans les conditions climatiques de l&rsquo;Antarctique.<\/p>\n<p>Des traces de polystyr\u00e8ne<br \/>\nLes collemboles trouv\u00e9s sur ce morceau ont \u00e9t\u00e9 analys\u00e9s gr\u00e2ce \u00e0 des techniques d&rsquo;imagerie infrarouge qui ont permis de d\u00e9tecter \u00ab\u00a0sans \u00e9quivoque\u00a0\u00bb des traces de polystyr\u00e8ne dans les intestins du petit animal qui peut sauter comme une puce.<\/p>\n<p>Ils sont tr\u00e8s pr\u00e9sents dans les sols de l&rsquo;Antarctique, c&rsquo;est-\u00e0-dire les parties non couvertes de glace, repr\u00e9sentant moins de 1% du territoire.<\/p>\n<p>Le fait que ces collemboles \u00ab\u00a0ing\u00e8rent des microplastiques implique que ces mat\u00e9riaux cr\u00e9\u00e9s par l&rsquo;Homme sont entr\u00e9s en profondeur dans la cha\u00eene alimentaire des sols\u00a0\u00bb, \u00e9crivent les auteurs.<\/p>\n<p>extrait et source : <a href=\"https:\/\/www.bfmtv.com\/environnement\/des-scientifiques-decouvrent-du-microplastique-jusque-dans-l-ecosysteme-terrestre-de-l-antarctique_AD-202006240067.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.bfmtv.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"21163\">(217)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Des particules de plastique ont d\u00e9j\u00e0 \u00e9t\u00e9 d\u00e9couvertes dans des organismes vivants aux quatre coins des oc\u00e9ans, jusqu&rsquo;au fond de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":21165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"On vient de d\u00e9couvrir du micro-#plastique jusqu'en l'\u00e9co-systeme de l'#Antarctique @laterredufutur.com  Terra Projects","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[28],"tags":[1252,7449,306,7448],"class_list":["post-21163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pollution","tag-antarctique","tag-eco-systeme","tag-faune","tag-micro-plastique","wpcat-28-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/antarctique.jpg?fit=1020%2C573&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5vl","jetpack-related-posts":[{"id":2893,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-fosse-des-mariannes\/","url_meta":{"origin":21163,"position":0},"title":"La Fosse des Mariannes","author":"Admin","date":"4 mai 2005","format":false,"excerpt":"La fosse des Mariannes est le coin le plus creux du globe. Elle mesure 10 920 m\u00e8tres sous la surface de la mer. La fosse a \u00e9t\u00e9 d\u00e9couverte par les chercheurs du navire oc\u00e9anographique \"Challenger II\" en 1951. Cette fosse s\u2019\u00e9tend sur plus de 25 000 kilom\u00e8tres. Elle est la\u2026","rel":"","context":"Dans &quot;Outils sur le volcanisme et les s\u00e9ismes&quot;","block_context":{"text":"Outils sur le volcanisme et les s\u00e9ismes","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/outils-volcanisme-seismes\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":18986,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-decouvrent-des-bacteries-mangeuses-dhuile-de-petrole-dans-locean\/","url_meta":{"origin":21163,"position":1},"title":"Des scientifiques d\u00e9couvrent des bact\u00e9ries mangeuses d&rsquo;huile, de p\u00e9trole dans l&rsquo;oc\u00e9an","author":"Admin","date":"17 avril 2019","format":false,"excerpt":"L'Homme est capable de causer beaucoup de tort \u00e0 la nature et l'un des pires fl\u00e9aux qu'il lui impose est la mar\u00e9e noire. Elle tue nombre d'\u00eatres vivants et prend \u00e9norm\u00e9ment de temps \u00e0 \u00eatre nettoy\u00e9e en fonction de l'ampleur du d\u00e9versement de p\u00e9trole. La nature semble avoir une solution\u2026","rel":"","context":"Dans &quot;Pollution&quot;","block_context":{"text":"Pollution","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/pollution\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/maree-noire.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/maree-noire.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/maree-noire.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/maree-noire.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18315,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-terre-boit-plus-deau-de-mer-par-la-fosse-des-mariannes-quon-ne-le-pensait\/","url_meta":{"origin":21163,"position":2},"title":"La Terre \u00ab\u00a0boit\u00a0\u00bb plus d&rsquo;eau de mer par la fosse des Mariannes qu&rsquo;on ne le pensait","author":"Admin","date":"7 f\u00e9vrier 2019","format":false,"excerpt":"La surface de la Terre est recouverte par 3\/4 d'oc\u00e9ans, mais une nouvelle \u00e9tude sugg\u00e8re que le manteau contient beaucoup plus d'eau qu'on ne le pensait auparavant. Les observations de l'activit\u00e9 sismique autour de la fosse des Mariannes ont r\u00e9v\u00e9l\u00e9 que les plaques tectoniques en subduction entra\u00eenent de plus en\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/fosse-des-mariannes-2.jpg?fit=800%2C320&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/fosse-des-mariannes-2.jpg?fit=800%2C320&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/fosse-des-mariannes-2.jpg?fit=800%2C320&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/fosse-des-mariannes-2.jpg?fit=800%2C320&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":9632,"url":"https:\/\/www.laterredufutur.com\/accueil\/chaque-seconde-100-tonnes-de-dechets-finissent-en-mer\/","url_meta":{"origin":21163,"position":3},"title":"Chaque seconde, 100 tonnes de d\u00e9chets finissent en mer","author":"Admin","date":"29 novembre 2015","format":false,"excerpt":"A l'heure de la COP21, posons-nous les vraies questions !\u00a0Chaque seconde, 100 tonnes de d\u00e9chets (sur les 4 milliards produites annuellement) finissent en mer, dont une grande partie est constitu\u00e9e de mati\u00e8res plastiques. Certains n'h\u00e9sitent pas \u00e0 parler de \u00ab septi\u00e8me continent \u00bb. Objets flottants ou microparticules, ces d\u00e9chets plastique\u2026","rel":"","context":"Dans &quot;Pollution&quot;","block_context":{"text":"Pollution","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/pollution\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/plastiques-ocean.jpg?fit=665%2C720&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/plastiques-ocean.jpg?fit=665%2C720&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/plastiques-ocean.jpg?fit=665%2C720&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":17342,"url":"https:\/\/www.laterredufutur.com\/accueil\/en-mangeant-des-coquilles-saint-jacques-vous-ingerez-des-milliards-de-particules-de-plastique\/","url_meta":{"origin":21163,"position":4},"title":"En mangeant des coquilles Saint-Jacques, vous ing\u00e9rez des milliards de particules de plastique","author":"Admin","date":"30 d\u00e9cembre 2018","format":false,"excerpt":"C\u2019est une mauvaise nouvelle pour les amateurs de coquilles Saint-Jacques, ce fruit de mer particuli\u00e8rement appr\u00e9ci\u00e9 pendant les f\u00eates de fin d\u2019ann\u00e9e. 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