{"id":25686,"date":"2024-05-23T11:35:13","date_gmt":"2024-05-23T09:35:13","guid":{"rendered":"https:\/\/canaux.bretagne.bzh\/?p=25686"},"modified":"2024-06-20T15:25:31","modified_gmt":"2024-06-20T13:25:31","slug":"retour-sur-les-mares-cet-ecosysteme-meconnu-des-canaux-de-bretagne","status":"publish","type":"post","link":"https:\/\/canaux.bretagne.bzh\/br\/actualites\/retour-sur-les-mares-cet-ecosysteme-meconnu-des-canaux-de-bretagne\/","title":{"rendered":"Retour sur\u00a0les mares, cet \u00e9cosyst\u00e8me m\u00e9connu des canaux de Bretagne"},"content":{"rendered":"<p class=\"chapo\">\n    Alors que la reproduction des amphibiens s\u2019ach\u00e8ve, faisons le point sur un des milieux indispensables pour eux : les mares.  <\/p>\n\n\n<figure class=\"wp-block-image bloc-image full\" role=\"figure\" aria-label=\"Olivier Tr\u00e9pos. Une grenouille verte prise sur le fait. \">\n    <div class=\"image-container\">        \n        <img decoding=\"async\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/Grenouille-verte_02_Olivier-Trepos-700x464.jpg\" alt=\"\" data-rjs=\"3\">\n\n                    <figcaption class=\"credit\">\n                                    Cr\u00e9dit photo : Olivier Tr\u00e9pos. Une grenouille verte prise sur le fait.                                 \n                            <\/figcaption>\n            <\/div>\n<\/figure>\n\n\n<p>Dans le cadre du <strong>Plan d\u2019action en faveur de la biodiversit\u00e9 des Canaux de Bretagne 2024-2030 <\/strong>vot\u00e9 par les \u00e9lus r\u00e9gionaux en d\u00e9cembre 2023 la R\u00e9gion Bretagne fixe une ambition forte pour <strong>mieux connaitre, pr\u00e9server et restaurer la biodiversit\u00e9 de ses voies navigables<\/strong>. &nbsp;<\/p>\n\n\n\n<p>\ud83d\udcd6 <strong>LIRE AUSSI :<br><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/climat-3-600-arbres-plantes-le-long-des-canaux\/\">Climat : 3 600 arbres plant\u00e9s le long des canaux<\/a><\/strong><\/p>\n\n\n\n<p>Les <strong>15 esp\u00e8ces d\u2019amphibiens pr\u00e9sents en Bretagne<\/strong> ont \u00e9t\u00e9 observ\u00e9s sur l\u2019emprise des Canaux de Bretagne. Parmi eux, citons la Salamandre tachet\u00e9e, la Grenouille agile, le Triton marbr\u00e9, le Crapaud \u00e9pineux, le Triton palm\u00e9, la Grenouille verte, le Triton palm\u00e9 parmi les esp\u00e8ces les plus embl\u00e9matiques des Canaux. &nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Supports de vie et de reproduction<\/h2>\n\n\n\n<p>Le r\u00e9seau navigable breton et ses annexes hydrauliques nombreuses et de qualit\u00e9 (mares, bras mort, \u00e9tangs, rigole d\u00e9saffect\u00e9e, \u2026) repr\u00e9sentent <strong>des supports de vie et de reproduction consid\u00e9rables pour les amphibiens <\/strong>\u00e0 l\u2019\u00e9chelle r\u00e9gionale. &nbsp;<\/p>\n\n\n\n<p>Les milieux proches des sites de reproduction sont \u00e9galement diversifi\u00e9s par la pr\u00e9sence de boisements de feuillus et de nombreux abris au sol sont disponibles (bois morts, tas de bois, etc.) et offrant des habitats terrestres de qualit\u00e9 au cort\u00e8ge d\u2019amphibiens observ\u00e9s.<\/p>\n\n\n\n<p>Tous les amphibiens connus en Bretagne et sur les Canaux sont prot\u00e9g\u00e9s, dont 10 esp\u00e8ces \u00e9valu\u00e9es comme quasi-menac\u00e9es ou menac\u00e9es sur liste rouge r\u00e9gionale et\/ou nationale. &nbsp;<\/p>\n\n\n\n<p>Pour mieux pr\u00e9server ces esp\u00e8ces, une premi\u00e8re \u00e9tape a d\u00e9j\u00e0 permis de <strong>recenser plus de 230 mares le long des Canaux bretons<\/strong>. Ces mares sont cartographi\u00e9es et leur \u00e9tat fonctionnel est qualifi\u00e9. &nbsp;<\/p>\n\n\n\n<p>\ud83c\udf33 <strong>POUR ALLER PLUS LOIN :<\/strong><br><strong><a href=\"https:\/\/canaux.bretagne.bzh\/biodiversite\/arbres\/\">Biodiversit\u00e9 : d\u00e9couvrez les arbres des canaux<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cr\u00e9er de nouvelles mares<\/h2>\n\n\n\n<p>Deuxi\u00e8me \u00e9tape\u00a0: le plan d\u2019action pr\u00e9voit de <strong>restaurer les mares<\/strong> qui ne permettent plus la reproduction satisfaisante des amphibiens (envasement, ass\u00e8chement, \u2026). Le plan d\u2019action ambitionne \u00e9galement de <strong>cr\u00e9er 40 nouvelles mares<\/strong> dans des endroits d\u00e9pourvus de mares. \u00a0<\/p>\n\n\n\n<section class=\"bloc bloc-galerie full-width l-small\">\n    <div class=\"wrapper\">        \n        <h2 class=\"bloc-title\">En images<\/h2>\n        \n        <ul class=\"slider galerie-carousel\">\n                                                            <li class=\"container-1\">\n                    <ul>\n                \n                                            <li>\n                            <button href=\"#image-0-25719\" class=\"nostyle gallery-item\" data-title=\"\" data-description=\"\" data-caption=\"\">\n                                \n                                    <img decoding=\"async\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5300-502x502.jpg\" alt=\" (voir l'image en plus grand)\" class=\"item-image\">\n                                \n                          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aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5318-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                        <a href=\"#image-3-25709\" class=\"item \" aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/DSCN1446-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            <div id=\"image-2-25712\" class=\"wrapper galerie-modal mfp-hide\">\n                    <div class=\"wrapper\">\n                        <div class=\"item-image\">\n                            <div class=\"item-number credit\">3 sur 4<\/div>\n                            <figure role=\"figure\" aria-label=\"Cr\u00e9dit : \">\n                                <img data-src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5318-700x467.jpg\" galesrc=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5318-700x467.jpg\" alt=\"\">\n                                                            <\/figure>\n                        <\/div>\n                                                <div class=\"item-dots\">\n                                                        <div class=\"slider owl-carousel galerie-inner-carousel\">\n                                                                    <a href=\"#image-0-25719\" class=\"item \" aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" 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data-src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/DSCN1446-700x525.jpg\" galesrc=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/DSCN1446-700x525.jpg\" alt=\"\">\n                                                            <\/figure>\n                        <\/div>\n                                                <div class=\"item-dots\">\n                                                        <div class=\"slider owl-carousel galerie-inner-carousel\">\n                                                                    <a href=\"#image-0-25719\" class=\"item \" aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5300-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                        <a href=\"#image-1-25715\" class=\"item \" aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5316-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                        <a href=\"#image-2-25712\" class=\"item \" aria-expanded=\"false\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/IMG_5318-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                        <a href=\"#image-3-25709\" class=\"item is-active\" aria-expanded=\"true\">\n                                        <img decoding=\"async\" class=\"mfp-prevent-close\" src=\"https:\/\/www.bretagne.bzh\/app\/uploads\/sites\/6\/2024\/05\/DSCN1446-120x68.jpg\" alt=\"\">\n                                    <\/a>\n                                                                                                <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                    <\/div>\n\n    <\/div>\n<\/section>\n\n\n\n<p>C\u2019est ainsi que <strong>10 mares ont \u00e9t\u00e9 restaur\u00e9es le long de la rigole d\u2019Hilvern<\/strong> \u00e0 l\u2019automne dernier. Une pelleteuse \u00e0 curer les mares pour retrouver une hauteur d\u2019eau suffisante, les tron\u00e7onneuses mani\u00e9es par des bucherons permettent de remettre en lumi\u00e8re la mare et favoriser l\u2019ensoleillement des mares et permettre ainsi le d\u00e9veloppement de v\u00e9g\u00e9tation aquatique qui offrent des supports de ponte. &nbsp;<\/p>\n\n\n\n<p>Les travaux ont \u00e9t\u00e9 permis gr\u00e2ce au concours du fond vert et de l\u2019agence de l\u2019eau Loire-Bretagne qui a subventionn\u00e9 ces travaux \u00e0 hauteur de 80 %.<\/p>\n\n\n\n<p>De nouvelles op\u00e9rations similaires vont se poursuivre dans les ann\u00e9es \u00e0 venir et d\u00e8s cet automne sur l&#8217;ensemble du r\u00e9seau fluvial breton.<\/p>\n\n\n\n<p><strong>\ud83d\udc5f LES CANAUX AUTREMENT :<br><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/courir-canal-nantes-brest-defi-champion-trail-erik-clavery\/\">Courir le Canal de Nantes \u00e0 Brest en moins de 40h, c\u2019est le nouveau d\u00e9fi du champion du monde de trail Erik Clavery<\/a><\/strong><\/p>\n\n\n\n    <div class=\"bloc-push\">\n        <h3>Ils, elles travaillent sur les canaux de Bretagne\u2026<\/h3>\n        <p>D\u00e9couvrez des interviews et t\u00e9moignages d\u2019agent\u00b7es \u0153uvrant sur les canaux :<\/p>\n<p><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/ma-mission-janalyse-les-pelotes-de-rejection-des-animaux\/\"><em>\u00ab Ma mission ? J\u2019analyse les pelotes de r\u00e9jection des animaux ! \u00bb <\/em><\/a>&#8211; \u00a0Sur le terrain, Adrien Peillon ramasse et \u00e9tudie les boulettes de r\u00e9gurgitation de certains animaux.<\/p>\n<p><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/continuite-ecologique-de-quoi-parle-t-on-exactement\/\"><em><strong>\u00ab\u00a0Avec le changement climatique, choisir les arbres des canaux devient un casse-t\u00eate\u00a0\u00bb<\/strong><\/em>\u00a0<\/a>\u2013 Ou comment s\u00e9lectionner des essences r\u00e9sistantes \u00e0 l\u2019\u00e9volution du climat.<\/p>\n<p><strong><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/continuite-ecologique-de-quoi-parle-t-on-exactement\/\"><em>Continuit\u00e9 \u00e9cologique : de quoi parle-t-on exactement ?<\/em><\/a>\u00a0\u2013\u00a0<\/strong>Pour permettre aux poissons de coloniser leur espace naturel, des passes \u00e0 poissons sont progressivement install\u00e9s sur les canaux. Explications.<\/p>\n<p><strong><em><a href=\"https:\/\/canaux.bretagne.bzh\/actualites\/valorisation-bois-canaux-bretagne\/\">Transform\u00e9 en bancs, nichoirs, portes ou volets : la seconde vie du bois du canal<\/a>\u00a0<\/em>\u2013\u00a0<\/strong>Rencontre avec les menuisiers des voies navigables, dans leur atelier d\u2019Evran.<\/p>\n            <\/div>\n","protected":false},"excerpt":{"rendered":"Alors que la reproduction des amphibiens s\u2019ach\u00e8ve, faisons le point sur un des milieux indispensables pour eux : les mares.  ","protected":false},"author":262,"featured_media":25687,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[1281,1297],"class_list":{"0":"post-25686","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-biodiversite","8":"category-informations-generales"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Retour sur\u00a0les mares, cet \u00e9cosyst\u00e8me m\u00e9connu des canaux de Bretagne &#183; Canaux de Bretagne<\/title>\n<meta name=\"description\" content=\"Alors que la reproduction des amphibiens s\u2019ach\u00e8ve, faisons le point sur un des milieux indispensables pour eux : les mares.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/canaux.bretagne.bzh\/actualites\/retour-sur-les-mares-cet-ecosysteme-meconnu-des-canaux-de-bretagne\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Retour sur\u00a0les mares, cet \u00e9cosyst\u00e8me m\u00e9connu des canaux de Bretagne &#183; 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