{"id":2191,"date":"2024-11-27T11:59:03","date_gmt":"2024-11-27T10:59:03","guid":{"rendered":"https:\/\/www.scouts-europe.org\/scoutorama\/?p=2191"},"modified":"2025-02-11T12:08:22","modified_gmt":"2025-02-11T11:08:22","slug":"les-algues","status":"publish","type":"post","link":"https:\/\/www.scouts-europe.org\/scoutorama\/les-algues\/","title":{"rendered":"Les algues"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2191\" class=\"elementor elementor-2191\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8041808 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8041808\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7caf085\" data-id=\"7caf085\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4eb47f7 elementor-widget elementor-widget-heading\" data-id=\"4eb47f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les algues<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-721ab5e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"721ab5e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d46eb97\" data-id=\"d46eb97\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c306bc5 elementor-widget elementor-widget-spacer\" data-id=\"c306bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53d4e41 elementor-widget elementor-widget-text-editor\" data-id=\"53d4e41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"chapo_article\"><div id=\"chapo_article li\"><div id=\"chapo\" class=\"coul_dominante\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><div id=\"chapo\" class=\"coul_dominante\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><div id=\"chapo\" class=\"coul_dominante\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><div id=\"chapo\" class=\"coul_dominante\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><p>Les algues sont des v\u00e9g\u00e9taux aux formes et aux habitats tr\u00e8s vari\u00e9s. Il faut dire qu\u2019elles font partie des premiers \u00eatres vivants \u00e0 avoir colonis\u00e9 la terre il y a quelques milliards d\u2019ann\u00e9es m\u00eame si elles n\u2019ont pas fait beaucoup de progr\u00e8s depuis cet exploit !<\/p><\/div><\/div><\/div><div id=\"ArticleText\"><p>Au bord de la mer tu peux trouver des algues en forme de lani\u00e8res de plusieurs m\u00e8tres de long. Elles sont alors \u00e9quip\u00e9es d\u2019un pied qui les fixe solidement au fond rocheux. D\u2019autres ont des formes de fins filaments. Enfin, d\u2019autres sont constitu\u00e9es d\u2019uns seule cellule et sont donc microscopiques. Ces derni\u00e8res font partie de ce qu\u2019on appelle le plancton. Les algues ne peuvent vivre que dans les 10 \u00e0 20 m sup\u00e9rieurs de la mer, l\u2019obscurit\u00e9 des profondeur ne permettant plus leur d\u00e9veloppement.<\/p><p>En eau douce, les algues sont g\u00e9n\u00e9ralement petites, souvent filamenteuse au point qu\u2019on peut les confondre avec des plantes \u00e0 fleurs beaucoup plus \u00e9volu\u00e9es. Ce sont des algues microscopiques qui donnent une teinte vert glauque aux mares et aux \u00e9tangs.<\/p><p>Enfin, les algues microscopiques peuvent vivre en milieu a\u00e9rien, dans les sols, fix\u00e9es aux murs ou responsables de la couleur verte de troncs d\u2019arbres du c\u00f4t\u00e9 des vents humides dominants.<\/p><p>Les algues peuvent pr\u00e9senter diverses couleurs car elles disposent de substances colorantes qui masquent ou remplacent la chlorophylle\u00a0: tu pourras ainsi rencontrer des algues vertes, des algues brunes, des algues bleues et des algues rouges.<\/p><p>Voici quelques exemples d\u2019algues marines courantes.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f176e2 elementor-widget elementor-widget-image\" data-id=\"2f176e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"156\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-vertes-21e37.png\" class=\"attachment-large size-large wp-image-2193\" alt=\"copyrightnaturoscout algues vertes 21e37\" srcset=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-vertes-21e37.png 400w, https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-vertes-21e37-300x117.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9020169 elementor-widget elementor-widget-image\" data-id=\"9020169\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"400\" height=\"147\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-rouges1-09b9d.png\" class=\"attachment-large size-large wp-image-2194\" alt=\"copyrightnaturoscout algues rouges1 09b9d\" srcset=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-rouges1-09b9d.png 400w, https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-algues-rouges1-09b9d-300x110.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2366381 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2366381\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-94b0fa1\" data-id=\"94b0fa1\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f7dea3c elementor-widget elementor-widget-image\" data-id=\"f7dea3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"120\" height=\"193\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-porphyra-59c9e.gif\" class=\"attachment-large size-large wp-image-2195\" alt=\"copyrightnaturoscout porphyra 59c9e\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-508d9eb\" data-id=\"508d9eb\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-546b205 elementor-widget elementor-widget-image\" data-id=\"546b205\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"305\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-laminaria-87f25.gif\" class=\"attachment-large size-large wp-image-2196\" alt=\"copyrightnaturoscout laminaria 87f25\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-9318d68\" data-id=\"9318d68\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-72387fb elementor-widget elementor-widget-image\" data-id=\"72387fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"207\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-chondrus-720f5.gif\" class=\"attachment-large size-large wp-image-2197\" alt=\"copyrightnaturoscout chondrus 720f5\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-91bad23\" data-id=\"91bad23\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cab0c5d elementor-widget elementor-widget-image\" data-id=\"cab0c5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"130\" height=\"204\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/copyrightNaturoscout_-corallina-e67a9.gif\" class=\"attachment-large size-large wp-image-2198\" alt=\"copyrightnaturoscout corallina e67a9\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f86d9d8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f86d9d8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-14bf3b9\" data-id=\"14bf3b9\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a8e0aa7 elementor-widget elementor-widget-text-editor\" data-id=\"a8e0aa7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"chapo\" class=\"coul_dominante\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><p>Les algues sont des v\u00e9g\u00e9taux aux formes et aux habitats tr\u00e8s vari\u00e9s. Il faut dire qu\u2019elles font partie des premiers \u00eatres vivants \u00e0 avoir colonis\u00e9 la terre il y a quelques milliards d\u2019ann\u00e9es m\u00eame si elles n\u2019ont pas fait beaucoup de progr\u00e8s depuis cet exploit !<\/p><\/div><\/div><\/div><div id=\"ArticleText\"><p>Au bord de la mer tu peux trouver des algues en forme de lani\u00e8res de plusieurs m\u00e8tres de long. Elles sont alors \u00e9quip\u00e9es d\u2019un pied qui les fixe solidement au fond rocheux. D\u2019autres ont des formes de fins filaments. Enfin, d\u2019autres sont constitu\u00e9es d\u2019uns seule cellule et sont donc microscopiques. Ces derni\u00e8res font partie de ce qu\u2019on appelle le plancton. Les algues ne peuvent vivre que dans les 10 \u00e0 20 m sup\u00e9rieurs de la mer, l\u2019obscurit\u00e9 des profondeur ne permettant plus leur d\u00e9veloppement.<\/p><p>En eau douce, les algues sont g\u00e9n\u00e9ralement petites, souvent filamenteuse au point qu\u2019on peut les confondre avec des plantes \u00e0 fleurs beaucoup plus \u00e9volu\u00e9es. Ce sont des algues microscopiques qui donnent une teinte vert glauque aux mares et aux \u00e9tangs.<\/p><p>Enfin, les algues microscopiques peuvent vivre en milieu a\u00e9rien, dans les sols, fix\u00e9es aux murs ou responsables de la couleur verte de troncs d\u2019arbres du c\u00f4t\u00e9 des vents humides dominants.<\/p><p>Les algues peuvent pr\u00e9senter diverses couleurs car elles disposent de substances colorantes qui masquent ou remplacent la chlorophylle\u00a0: tu pourras ainsi rencontrer des algues vertes, des algues brunes, des algues bleues et des algues rouges.<\/p><p>Voici quelques exemples d\u2019algues marines courantes.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les algues sont des v\u00e9g\u00e9taux aux formes et aux habitats tr\u00e8s vari\u00e9s. Il faut dire qu\u2019elles font partie des premiers \u00eatres vivants \u00e0 avoir colonis\u00e9 la terre il y a quelques milliards d\u2019ann\u00e9es m\u00eame si elles n\u2019ont pas fait beaucoup de progr\u00e8s depuis cet exploit !<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[21,74],"tags":[],"class_list":["post-2191","post","type-post","status-publish","format-standard","hentry","category-connaissance-de-la-nature","category-les-arbres-et-les-fleurs"],"_links":{"self":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/2191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/comments?post=2191"}],"version-history":[{"count":10,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/2191\/revisions"}],"predecessor-version":[{"id":6068,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/2191\/revisions\/6068"}],"wp:attachment":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/media?parent=2191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/categories?post=2191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/tags?post=2191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}