{"id":39546,"date":"2023-05-16T08:54:13","date_gmt":"2023-05-16T06:54:13","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=39546"},"modified":"2023-05-16T08:54:13","modified_gmt":"2023-05-16T06:54:13","slug":"les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/","title":{"rendered":"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus"},"content":{"rendered":"<p>\u00c0 l\u2019intersection entre la nappe phr\u00e9atique et les eaux de surface, les sources constituent des espaces de vie uniques. Sur les cinq \u00e0 dix premiers m\u00e8tres qui suivent leur sortie, les conditions sont exceptionnelles (temp\u00e9rature constante, faible teneur en oxyg\u00e8ne et nutriments), permettant le d\u00e9veloppement d\u2019une faune et une flore tout \u00e0 fait sp\u00e9cialis\u00e9es.<\/p>\n<p>Au cours des deux derniers si\u00e8cles, l\u2019activit\u00e9 humaine a fait dispara\u00eetre bon nombre de sources  naturelles. En for\u00eat, elles ont \u00e9t\u00e9 plus ou moins pr\u00e9serv\u00e9es jusqu\u2019\u00e0 pr\u00e9sent et on peut y rencontrer de v\u00e9ritables joyaux comme des tufs calcaires monumentaux ou des sources karstiques, impressionnantes par leur d\u00e9bit. Les sources plus modestes, se r\u00e9sumant \u00e0 de simples suintements, sont plus discr\u00e8tes mais abritent \u00e9galement une faune riche en esp\u00e8ces sp\u00e9cialis\u00e9es.<\/p>\n<p>L\u2019augmentation de la pression humaine (routes, captages, tourisme\u2026) et les changements climatiques mettent cependant en p\u00e9ril les derniers milieux fontinaux. Ces milieux sont cependant peu connus, m\u00eame des organismes de protection de la nature. Une meilleure connaissance permettrait pourtant d\u2019\u00e9viter de les impacter sans trop de difficult\u00e9.<\/p>\n<p>En Suisse, le canton de Berne a entrepris de les inventorier. \u00c0 ce jour, environ 4000 emplacements de sources ont \u00e9t\u00e9 r\u00e9pertori\u00e9s, auxquels s\u2019ajoutent 7500 autres sources capt\u00e9es provenant de la carte cantonale de protection des eaux et de nombreuses sources capt\u00e9es par des particuliers dont le nombre n\u2019est pas connu. Au total, pr\u00e8s de trois-quarts des sources connues dans le canton de Berne sont capt\u00e9es et seules 13 % existent \u00e0 l\u2019\u00e9tat naturel.<\/p>\n<p>Recenser et inventorier les sources et milieux fontinaux mais aussi sensibiliser \u00e0 ces milieux permettrait de mieux assurer leur protection, par exemple dans le cadre de projets de construction ou autres travaux (voiries, layons de d\u00e9bardage\u2026). Des mesures simples peuvent en effet \u00eatre prises pour contribuer \u00e0 la protection de ces milieux uniques et pr\u00e9cieux.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00c0 l\u2019intersection entre la nappe phr\u00e9atique et les eaux de surface, les sources constituent des espaces de vie uniques. Sur les cinq \u00e0 dix premiers m\u00e8tres qui suivent leur sortie, les conditions sont exceptionnelles (temp\u00e9rature constante, faible teneur en oxyg\u00e8ne et nutriments), permettant le d\u00e9veloppement d\u2019une faune et une flore tout \u00e0 fait sp\u00e9cialis\u00e9es. Au [&hellip;]<\/p>","protected":false},"featured_media":39527,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"\u00c0 l\u2019intersection entre la nappe phr\u00e9atique et les eaux de surface, les sources constituent des espaces de vie uniques. Sur les cinq \u00e0 dix premiers m\u00e8tres qui suivent leur sortie, les conditions sont exceptionnelles (temp\u00e9rature constante, faible teneur en oxyg\u00e8ne et nutriments), permettant le d\u00e9veloppement d\u2019une faune et une flore tout \u00e0 fait sp\u00e9cialis\u00e9es. Au [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"og:image\" content=\"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"608\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/\",\"url\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/\",\"name\":\"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature\",\"isPartOf\":{\"@id\":\"https:\/\/foretnature.be\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg\",\"datePublished\":\"2023-05-16T06:54:13+00:00\",\"dateModified\":\"2023-05-16T06:54:13+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg\",\"width\":900,\"height\":608,\"caption\":\"source of spring water\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/foretnature.be\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/foretnature.be\/#website\",\"url\":\"https:\/\/foretnature.be\/\",\"name\":\"For\u00eat.Nature\",\"description\":\"Une \u00e9quipe technique au service de la for\u00eat\",\"publisher\":{\"@id\":\"https:\/\/foretnature.be\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/foretnature.be\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/foretnature.be\/#organization\",\"name\":\"For\u00eat.Nature\",\"url\":\"https:\/\/foretnature.be\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"width\":300,\"height\":151,\"caption\":\"For\u00eat.Nature\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/","og_locale":"en_GB","og_type":"article","og_title":"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature","og_description":"\u00c0 l\u2019intersection entre la nappe phr\u00e9atique et les eaux de surface, les sources constituent des espaces de vie uniques. Sur les cinq \u00e0 dix premiers m\u00e8tres qui suivent leur sortie, les conditions sont exceptionnelles (temp\u00e9rature constante, faible teneur en oxyg\u00e8ne et nutriments), permettant le d\u00e9veloppement d\u2019une faune et une flore tout \u00e0 fait sp\u00e9cialis\u00e9es. Au [&hellip;]","og_url":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/","og_site_name":"For\u00eat.Nature","og_image":[{"width":900,"height":608,"url":"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/","url":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/","name":"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus - For\u00eat.Nature","isPartOf":{"@id":"https:\/\/foretnature.be\/#website"},"primaryImageOfPage":{"@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage"},"image":{"@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage"},"thumbnailUrl":"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg","datePublished":"2023-05-16T06:54:13+00:00","dateModified":"2023-05-16T06:54:13+00:00","breadcrumb":{"@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#primaryimage","url":"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg","contentUrl":"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/05\/2452.jpeg","width":900,"height":608,"caption":"source of spring water"},{"@type":"BreadcrumbList","@id":"https:\/\/foretnature.be\/resume-foret-mail\/les-sources-des-milieux-naturels-uniques-et-precieux-souvent-meconnus\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/foretnature.be\/"},{"@type":"ListItem","position":2,"name":"Les sources, des milieux naturels uniques et pr\u00e9cieux souvent m\u00e9connus"}]},{"@type":"WebSite","@id":"https:\/\/foretnature.be\/#website","url":"https:\/\/foretnature.be\/","name":"For\u00eat.Nature","description":"Une \u00e9quipe technique au service de la for\u00eat","publisher":{"@id":"https:\/\/foretnature.be\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/foretnature.be\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/foretnature.be\/#organization","name":"For\u00eat.Nature","url":"https:\/\/foretnature.be\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/foretnature.be\/#\/schema\/logo\/image\/","url":"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png","contentUrl":"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png","width":300,"height":151,"caption":"For\u00eat.Nature"},"image":{"@id":"https:\/\/foretnature.be\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/resume-foret-mail\/39546"}],"collection":[{"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/resume-foret-mail"}],"about":[{"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/types\/resume-foret-mail"}],"version-history":[{"count":1,"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/resume-foret-mail\/39546\/revisions"}],"predecessor-version":[{"id":39547,"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/resume-foret-mail\/39546\/revisions\/39547"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/media\/39527"}],"wp:attachment":[{"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/media?parent=39546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/foretnature.be\/en\/wp-json\/wp\/v2\/categories?post=39546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}