{"id":1819,"date":"2025-11-16T15:57:14","date_gmt":"2025-11-16T14:57:14","guid":{"rendered":"http:\/\/actforyourplanet.com\/?p=1819"},"modified":"2026-09-16T15:57:49","modified_gmt":"2026-09-16T13:57:49","slug":"les-emanations-gazeuses-dalgues-sargasses","status":"publish","type":"post","link":"https:\/\/actforyourplanet.com\/index.php\/2025\/11\/16\/les-emanations-gazeuses-dalgues-sargasses\/","title":{"rendered":"Les \u00e9manations gazeuses d\u2019algues sargasses\u00a0"},"content":{"rendered":"<h6><\/h6>\n<h2><strong>l\u2019exposition li\u00e9e aux situations d\u2019\u00e9chouage d\u2019algues sargasses et les effets sur la sant\u00e9 humaine<\/strong> ;<\/h2>\n<p>&nbsp;<\/p>\n<h6><span style=\"color: #3c3c3c; font-family: Marianne, arial, helvetica, sans-serif; font-size: x-large;\">\u00a0Les\u00a0fa\u00e7ades de l\u2019atlantique ouest font face \u00e0 des vagues successives d\u2019\u00e9chouages d\u2019algues sargasses sur leur littoral.\u00a0<\/span><\/h6>\n<h6><span style=\"color: #3c3c3c; font-family: Marianne, arial, helvetica, sans-serif; font-size: x-large;\">Malgr\u00e9 les moyens de nettoyage mis en \u0153uvre, ces algues se d\u00e9composent sur place. Leur d\u00e9composition conduit \u00e0 la production de sulfure d\u2019hydrog\u00e8ne (H2S), potentiellement d\u00e9tect\u00e9 \u00e0 des concentrations \u00e9lev\u00e9es. Les signalements de m\u00e9decins li\u00e9s aux effets sanitaires ressentis par la population expos\u00e9e \u00e0 l\u2019H2S, ainsi que les plaintes du public relatives au probl\u00e8me d\u2019odeurs, ont augment\u00e9 de fa\u00e7on notable.<img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1820 alignright\" src=\"http:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses--300x177.png\" alt=\"\" width=\"300\" height=\"177\" srcset=\"https:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses--300x177.png 300w, https:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses--768x453.png 768w, https:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses--1024x604.png 1024w, https:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses--750x442.png 750w, https:\/\/actforyourplanet.com\/wp-content\/uploads\/2026\/09\/sargasses-.png 1078w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/h6>\n<p>&nbsp;<\/p>\n<h2><strong>Toxicit\u00e9 du sulfure d\u2019hydrog\u00e8ne<\/strong><\/h2>\n<h3>Les individus sont majoritairement expos\u00e9s \u00e0 l\u2019H<sub>2<\/sub>S par voie respiratoire. Une absorption par les voies orale et cutan\u00e9e est possible, mais ne contribue que faiblement \u00e0 l\u2019exposition globale.<\/h3>\n<h3>Si les effets chez l\u2019Homme li\u00e9s \u00e0 une exposition aigu\u00eb &#8211;\u00a0durant une courte dur\u00e9e, \u00a0sont bien connus (effets neurologiques et respiratoires de gravit\u00e9 croissante avec la concentration d\u2019exposition), les effets li\u00e9s \u00e0 des expositions \u00e0 l\u2019H<sub>2<\/sub>S sur des dur\u00e9es plus longues sont moins document\u00e9s. Les premiers effets observ\u00e9s sont des sympt\u00f4mes irritatifs des voies a\u00e9riennes sup\u00e9rieures et des yeux. Des effets neurocomportementaux et des sympt\u00f4mes neurologiques (maux de t\u00eate, pertes d\u2019\u00e9quilibre et de m\u00e9moire) sont suspect\u00e9s. Par ailleurs, en l\u2019\u00e9tat actuel des connaissances, au vu du faible nombre d\u2019\u00e9tudes disponibles, aucune conclusion ne peut \u00eatre tir\u00e9e quant \u00e0 une potentielle canc\u00e9rog\u00e9nicit\u00e9 de l\u2019H<sub>2<\/sub>S. A souligner \u00e9galement les fortes nuisances olfactives associ\u00e9es \u00e0 ce gaz.<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>l\u2019exposition li\u00e9e aux situations d\u2019\u00e9chouage d\u2019algues sargasses et les effets sur la sant\u00e9 humaine ; &nbsp; \u00a0Les\u00a0fa\u00e7ades de l\u2019atlantique ouest font face \u00e0 des vagues successives d\u2019\u00e9chouages d\u2019algues sargasses sur leur littoral.\u00a0 Malgr\u00e9 les moyens de nettoyage mis en \u0153uvre, ces algues se d\u00e9composent sur place. Leur d\u00e9composition conduit \u00e0 la production de sulfure d\u2019hydrog\u00e8ne [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[10,5],"tags":[],"class_list":["post-1819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biodiversity","category-climate"],"_links":{"self":[{"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/posts\/1819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/comments?post=1819"}],"version-history":[{"count":1,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/posts\/1819\/revisions"}],"predecessor-version":[{"id":1821,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/posts\/1819\/revisions\/1821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/media\/1820"}],"wp:attachment":[{"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/media?parent=1819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/categories?post=1819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/actforyourplanet.com\/index.php\/wp-json\/wp\/v2\/tags?post=1819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}