{"id":2621,"date":"2019-10-14T14:50:40","date_gmt":"2019-10-14T14:50:40","guid":{"rendered":"https:\/\/www.life-belini.be\/inauguration-reussie-de-lechelle-a-poissons-dans-le-sluispark-a-louvain\/"},"modified":"2020-06-30T01:09:13","modified_gmt":"2020-06-30T01:09:13","slug":"inauguration-reussie-de-lechelle-a-poissons-dans-le-sluispark-a-louvain","status":"publish","type":"post","link":"https:\/\/www.life-belini.be\/fr\/inauguration-reussie-de-lechelle-a-poissons-dans-le-sluispark-a-louvain\/","title":{"rendered":"Inauguration r\u00e9ussie de l’\u00e9chelle \u00e0 poissons dans le Sluispark \u00e0 Louvain"},"content":{"rendered":"

Ce dimanche 13 octobre, nous avons inaugur\u00e9, en collaboration avec la Vlaamse Milieumaatschappij, l\u2019\u00e9chelle \u00e0 poissons. Sous un soleil \u00e9clatant, de nombreuses personnes sont venues manifester leur int\u00e9r\u00eat pour cette r\u00e9alisation. Gr\u00e2ce \u00e0 cette \u00e9chelle \u00e0 poissons, ceux-ci peuvent maintenant passer le barrage et atteindre l\u2019amont et les affluents de la Dyle pour y frayer et y grandir. Plusieurs esp\u00e8ces de poissons ont \u00e9t\u00e9 retrouv\u00e9es lors d\u2019un premier test.<\/strong><\/p>\n

\u00c0 hauteur du Sluispark, le barrage du quatri\u00e8me bras de la Dyle garantit \u00e0 celle-ci un niveau d\u2019eau suffisant pour alimenter le canal. Cela cr\u00e9e une diff\u00e9rence de niveau de plus d\u2019un m\u00e8tre et demi entre le niveau de l\u2019eau sur le barrage et en aval de celui-ci, emp\u00eachant les poissons de nager en amont.<\/p>\n

Les poissons trouvent d\u00e9j\u00e0 leur chemin<\/strong><\/p>\n

Afin de r\u00e9soudre ce probl\u00e8me de migration des poissons, la Vlaamse Milieumaatschappij a construit une \u00e9chelle \u00e0 poissons sur le barrage avec le soutien du projet LIFE Belini. Cette \u00e9chelle \u00e0 poissons divise la diff\u00e9rence de niveau infranchissable en 23 petites marches de 7\u00a0cm, permettant ainsi au poisson de remonter la rivi\u00e8re. Les ouvertures \u00e9troites entre les grandes marches permettent aux diff\u00e9rentes esp\u00e8ces de poissons de se frayer un chemin vers le haut.<\/p>\n

Une premi\u00e8re \u00e9tude montre qu\u2019au moins 8 esp\u00e8ces de poissons utilisent d\u00e9j\u00e0 l\u2019\u00e9chelle \u00e0 poissons ou s\u2019y sont install\u00e9es. Il s\u2019agit de poissons de ruisseau typiques, comme les chevaines et les vandoises, qui ont une pr\u00e9f\u00e9rence pour les eaux courantes. Mais bizarrement, la pr\u00e9sence de deux spirlins pointill\u00e9s a aussi \u00e9t\u00e9 constat\u00e9e. Ce petit poisson vit principalement dans les couloirs lat\u00e9raux rapides de la Meuse, tels que la Semois, la Lesse et l\u2019Ourthe, mais se sent aussi \u00e0 l\u2019aise dans les eaux tourbillonnantes de cette \u00e9chelle \u00e0 poissons bord\u00e9e de rochers.<\/p>\n

Une \u00e9chelle \u00e0 d\u00e9couvrir de pr\u00e8s<\/strong><\/p>\n

Lors de la conception, on a privil\u00e9gi\u00e9 une \u00e9chelle \u00e0 poissons qui soit aussi excitante pour les poissons qui l\u2019utilisent que pour les visiteurs du Sluispark qui les observent. Des pierres de gu\u00e9 permettent ainsi de marcher autour de l\u2019\u00e9chelle \u00e0 poissons ou de la traverser. Cela permet de venir plus pr\u00e8s de l\u2019eau et d\u2019avoir une meilleure exp\u00e9rience. Et les gens sont tr\u00e8s nombreux \u00e0 appr\u00e9cier la chose, comme en attestent les photos ci-dessous.<\/p>\n","protected":false},"excerpt":{"rendered":"

Op zondag 13 oktober huldigden we samen met de Vlaamse Milieumaatschappij de vistrap in Leuven in. Onder een stralende Dankzij deze vistrap kunnen vissen nu stroomopwaarts zwemmen rond de stuw en de boven- en zijlopen van de Dijle bereiken om er te paaien en op te groeien. Bij een eerste test werden al verschillende vissoorten aangetroffen.<\/p>\n","protected":false},"author":6,"featured_media":2597,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-2621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-fr"],"acf":[],"yoast_head":"\nInauguration r\u00e9ussie de l'\u00e9chelle \u00e0 poissons dans le Sluispark \u00e0 Louvain - LIFE Belini<\/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:\/\/www.life-belini.be\/fr\/inauguration-reussie-de-lechelle-a-poissons-dans-le-sluispark-a-louvain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inauguration r\u00e9ussie de l'\u00e9chelle \u00e0 poissons dans le Sluispark \u00e0 Louvain - LIFE Belini\" \/>\n<meta property=\"og:description\" content=\"Op zondag 13 oktober huldigden we samen met de Vlaamse Milieumaatschappij de vistrap in Leuven in. 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