{"id":12192,"date":"2022-02-23T08:32:45","date_gmt":"2022-02-23T08:32:45","guid":{"rendered":"https:\/\/snipool.com\/?p=12192"},"modified":"2025-10-08T12:55:02","modified_gmt":"2025-10-08T12:55:02","slug":"les-algues","status":"publish","type":"post","link":"https:\/\/snipool.com\/fr\/les-algues\/","title":{"rendered":"Les algues"},"content":{"rendered":"<p>Les algues sont des plantes aquatiques \u00e0 chlorophylle des eaux douces ou sal\u00e9es. La <em>chlorophylle<\/em> (pigments verts des v\u00e9g\u00e9taux) se trouve dans leurs plastes, auxquelles sont ou non associ\u00e9s des pigments rouges ou bruns. Grace \u00e0 ces pigments, on distingue trois grands groupes d\u2019algues : les algues vertes, rouges et brunes.<\/p>\n<p>Les algues peuvent \u00eatre uni- ou pluricellulaires, mobiles ou immobiles. Quelques- unes sont terrestres et vivent sur les sols humides.<\/p>\n<p>Les algues constituent, avec les bact\u00e9ries et les cyanophytes (algues bleues) les premi\u00e8res formes de vie. Dans les milieux aquatiques, elles sont le premier maillon des cha\u00eenes alimentaires. On conna\u00eet le plancton qui regroupe des organismes microscopiques et qui est constitu\u00e9 d\u2019animaux, le <em>zooplancton<\/em> et de v\u00e9g\u00e9taux, notamment des algues, le <em>phytoplancton<\/em>.<\/p>\n<p>Les algues vertes sont pr\u00e9sentes dans tous les milieux aquatiques et terrestres. Elles peuvent \u00eatre uni- ou pluricellulaires.<\/p>\n<p>Les algues rouges sont des plantes pluricellulaires. Elles vivent sur les c\u00f4tes littorales ou dans les profondeurs des mers.<\/p>\n<p>Les algues brunes sont g\u00e9n\u00e9ralement des plantes marines. Elles sont pluricellulaires et vivent au fond des eaux.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les algues sont des plantes aquatiques \u00e0 chlorophylle des eaux douces ou sal\u00e9es. La chlorophylle (pigments verts des v\u00e9g\u00e9taux) se trouve dans leurs plastes, auxquelles sont ou non associ\u00e9s des pigments rouges ou bruns. Grace \u00e0 ces pigments, on distingue trois grands groupes d\u2019algues : les algues vertes, rouges et brunes. Les algues peuvent \u00eatre &hellip;<\/p>\n","protected":false},"author":1,"featured_media":12198,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1079],"tags":[3570,3572,12501,12503,3571,12504,12506,3573,12505,12131,3408,12502,5323,3574],"class_list":["post-12192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-botaniste","tag-algues","tag-algues-bleues","tag-algues-brunes","tag-algues-rouges","tag-chlorophylle","tag-eaux-douces","tag-les-profondeurs-des-mers","tag-phytoplancton","tag-pigments","tag-plancton","tag-plantes","tag-plantes-marines","tag-vegetaux","tag-zooplancton"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les algues - Snipool<\/title>\n<meta name=\"description\" content=\"Les algues sont des plantes aquatiques \u00e0 chlorophylle des eaux douces ou sal\u00e9es. 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