{"id":8224,"date":"2026-02-04T10:00:59","date_gmt":"2026-02-04T09:00:59","guid":{"rendered":"https:\/\/www.polarpod.fr\/?page_id=8224"},"modified":"2026-02-09T00:04:52","modified_gmt":"2026-02-08T23:04:52","slug":"flore-polaire","status":"publish","type":"page","link":"https:\/\/www.polarpod.fr\/fr\/encyclopedie-polaire\/flore-polaire\/","title":{"rendered":"LA FLORE POLAIRE"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#454156″ scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb4%\u00a0\u00bb bottom_padding=\u00a0\u00bb0%\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb 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LA FLORE POLAIRE<\/span><\/h2>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/6″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbdefault\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb][nectar_icon icon_family=\u00a0\u00bblinea\u00a0\u00bb icon_style=\u00a0\u00bbshadow-bg\u00a0\u00bb icon_color_type=\u00a0\u00bbcolor_scheme\u00a0\u00bb icon_color=\u00a0\u00bbAccent-Color\u00a0\u00bb open_new_tab=\u00a0\u00bbtrue\u00a0\u00bb icon_padding=\u00a0\u00bb5px\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb url=\u00a0\u00bbhttps:\/\/www.polarpod.fr\/wp-content\/uploads\/2026\/02\/FLORE_POLAIRE.pdf\u00a0\u00bb icon_size=\u00a0\u00bb40″ icon_linea=\u00a0\u00bbicon-basic-printer\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb column_margin=\u00a0\u00bbcustom\u00a0\u00bb column_margin_custom=\u00a0\u00bb2px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bottom_padding=\u00a0\u00bb2%\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/1″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbdefault\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n

UN MONDE V\u00c9G\u00c9TAL BLOTTI SUR LES TERRES BOR\u00c9ALES<\/span><\/h3>\n
\n

Immenses espaces enneig\u00e9s en hiver, mar\u00e9cages et roches \u00e0 nu en \u00e9t\u00e9, les terres arctiques cachent pourtant, plusieurs centaines d\u2019esp\u00e8ces de plantes (170 au Spitzberg, plus de 500 dans le nord de la Norv\u00e8ge), sans compter les algues, les mousses, les lichens et les champignons.<\/p>\n<\/div>\n

\n

LA TOUNDRA, UNE VASTE MOQUETTE COLOR\u00c9E<\/span><\/h3>\n

Le vent et la pauvret\u00e9 nutritive du sol limitent la croissance des plantes arctiques. Elles s\u2019\u00e9talent et forment un tapis compos\u00e9 de sphaignes, de lichens mais aussi de plantes \u00e0 fleurs comme les myrtilles, saxifrages, linaigrettes, sil\u00e8nes, renoncules, la\u00eeches ou pavot arctique. Seuls bouleaux nains et saules polaires s\u2019\u00e9l\u00e8vent \u00e0 plus de quelques centim\u00e8tres au-dessus du sol.<\/p>\n<\/div>\n

\n

R\u00c9SISTER \u00c0 UN RUDE, LONG ET SOMBRE HIVER<\/span><\/h3>\n

Pour \u00e9viter que le vent glacial ne les dess\u00e8che et ne les crible de cristaux de glace, les plantes arctiques utilisent tous les moyens : elles rampent, poussent serr\u00e9es en coussins ou en tapis, ou encore s\u2019abritent derri\u00e8re les pierres ou dans les creux. Certaines m\u00eame se d\u00e9shydratent avant l\u2019hiver pour que leurs tissus n\u2019\u00e9clatent pas au gel.<\/p>\n<\/div>\n

\n

PROFITER D’UN BREF \u00c9T\u00c9 SANS NUIT<\/span><\/h3>\n

M\u00eame l\u2019\u00e9t\u00e9, le sol arctique reste gel\u00e9 en profondeur (perg\u00e9lisol). Mais les plantes, petites et \u00e9tal\u00e9es, profitent rapidement de la chaleur renvoy\u00e9e par le sol. Couleurs sombres absorbant l\u2019\u00e9nergie solaire, orientation des feuilles et des fleurs vers la lumi\u00e8re, poils retenant la chaleur comme de la fourrure, sont des outils qu\u2019elles utilisent pour vivre et prolif\u00e9rer.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/1″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_global_section id=\u00a0\u00bb6550″][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

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