{"id":949,"date":"2014-06-04T11:14:23","date_gmt":"2014-06-04T15:14:23","guid":{"rendered":"http:\/\/atlanticsalmon.wpengine.com\/?p=949"},"modified":"2016-11-04T11:15:09","modified_gmt":"2016-11-04T15:15:09","slug":"richmond-bay-watershed-association-2","status":"publish","type":"post","link":"https:\/\/www.salmonconservation.ca\/fr\/richmond-bay-watershed-association-2\/","title":{"rendered":"Association du bassin versant de la baie Richmond"},"content":{"rendered":"<p>Imaginez-vous que vous nagez\u2026 vous rencontrez un obstacle et vous vous retrouverez sur un terrain \u00e9lev\u00e9 et sec.<\/p>\n<p>Heureusement pour vous, vous n\u2019avez qu\u2019\u00e0 vous lever et \u00e0 marcher afin de vous rendre \u00e0 la partie la plus profonde du cours d\u2019eau. Vous pouvez ensuite continuer \u00e0 nager.<\/p>\n<p>Pour un saumon dans un cours d\u2019eau, ce n\u2019est pas aussi facile. Le saumon n\u2019a aucun moyen de contourner un tel obstacle.<\/p>\n<p>Le saumon sauvage de l\u2019Atlantique peut venir en contact avec plusieurs obstacles en remontant les rivi\u00e8res, les ruisseaux ou autres cours d\u2019eau. L\u2019accumulation de s\u00e9diments, les barrages de castors et les ponceaux endommag\u00e9s en sont quelques-uns. Quelle que soit leur nature, ces obstacles ne sont pas des ouvrages que les saumons peuvent r\u00e9parer; ils peuvent donc entra\u00eener le d\u00e9clin d\u2019une population de poissons viable.<\/p>\n<p>Pourquoi ne pas joindre l\u2019Association du bassin versant de la baie Richmond (RBWA)? Il s\u2019agit d\u2019un groupe de b\u00e9n\u00e9voles qui se consacre \u00e0 restaurer et \u00e0 am\u00e9liorer le passage et l\u2019habitat du saumon dans les rivi\u00e8res, ruisseaux et autres cours d\u2019eau dans les r\u00e9gions de Tyne Valley et de Richmond, dans le comt\u00e9 Prince, \u00e0 l\u2019\u00ce.-P.-\u00c9. Le projet de conservation \u00e0 la base entrepris par la RBWA comprenait une liste assez exhaustive de travaux \u00e0 effectuer en 2013. Deux de ces travaux pour lesquels la FCSA a accord\u00e9 5\u00a0000\u00a0$ les obstacles dans le ruisseau Bank.<\/p>\n<p>\u00ab\u00a0Un des obstacles \u00e9tait avait \u00e9t\u00e9 caus\u00e9 l\u2019accumulation de s\u00e9diments dans le ruisseau Brook., et le sol \u00e9rod\u00e9 s\u2019\u00e9coulant en aval des barrages de castors. Cette accumulation avait \u00e9t\u00e9 cr\u00e9\u00e9e principalement par les d\u00e9bris produits par les colonies de castors, pr\u00e9ciseCathy Gallant, directrice g\u00e9n\u00e9rale de la RBWA.<\/p>\n<p>\u00ab\u00a0La solution consistait \u00e0 am\u00e9nager un \u00e9tang de d\u00e9rivation afin de contr\u00f4ler ces s\u00e9diments en diminuant la vitesse du d\u00e9bit du cours d\u2019eau et en permettant aux particules de sol de se stabiliser, explique-t-elle. Cet \u00e9tang artificiel a grandement am\u00e9lior\u00e9 l\u2019habitat en aval des poissons plus \u00e2g\u00e9s. Nous croyons que l\u2019habitat en amont sera aussi am\u00e9lior\u00e9.\u00a0\u00bb<\/p>\n<p>De plus, l\u2019\u00e9tang nouvellement am\u00e9nag\u00e9 est un bon endroit non seulement pour le poisson, mais aussi pour les autres esp\u00e8ces comme les canards et les oiseaux, de dire M<sup>me<\/sup>\u00a0Gallant.<\/p>\n<p>L\u2019autre obstacle a \u00e9t\u00e9 cr\u00e9\u00e9 par l\u2019homme et les castors &#8211; un ouvrage endommag\u00e9 transform\u00e9 en barrage qui bloquait le passage du ruisseau en amont.<\/p>\n<p>\u00ab\u00a0L\u2019ouvrage faisait partie d\u2019un chemin d\u2019acc\u00e8s aux champs arri\u00e8re d\u2019un cultivateur, explique M<sup>me<\/sup>\u00a0Gallant. Les castors transforment constamment les ponceaux en barrage, ce qui provoque des inondations et de l\u2019\u00e9rosion et qui bloque partiellement le libre passage du poisson. Les ponceaux \u00e9taient \u00e9galement sous-dimensionn\u00e9s, ce qui aggravait le probl\u00e8me.<\/p>\n<p>\u00ab\u00a0Puisque le chemin n\u2019\u00e9tait plus s\u00e9curitaire, le cultivateur a cess\u00e9 de l\u2019utiliser. Le moment \u00e9tait venu de remettre le ruisseau dans son \u00e9tat naturel \u00e0 courant libre.\u00a0\u00bb<\/p>\n<p>Gr\u00e2ce aux travaux effectu\u00e9s, \u00ab\u00a0il ne sera plus n\u00e9cessaire de faire des r\u00e9parations annuelles, et il n\u2019y aura plus de risques d\u2019\u00e9rosion; de plus le passage et l\u2019habitat du poisson ont \u00e9t\u00e9 grandement am\u00e9lior\u00e9s\u00a0\u00bb, d\u2019affirmer Mme\u00a0Gallant.<\/p>\n<p>Bien que la RBWA ait beaucoup accompli, il reste encore de nombreux autres travaux sur la liste dans le plan de gestion du bassin versant.<\/p>\n<p>\u00ab\u00a0Notre but ultime est de nous assurer que ces rivi\u00e8res, ruisseaux et autres cours d\u2019eau aient une eau de bonne qualit\u00e9 et produisent du saumon et de la truite \u00e0 leur capacit\u00e9 maximale, a indiqu\u00e9 Cathy\u00a0Gallant. Nous sommes tr\u00e8s reconnaissants envers la FCSA pour son aide financi\u00e8re. Il est encourageant de voir les r\u00e9sultats positifs de nos efforts concert\u00e9s.\u00a0\u00bb<\/p>","protected":false},"excerpt":{"rendered":"Imaginez-vous que vous nagez\u2026 vous rencontrez un obstacle et vous vous retrouverez sur un terrain \u00e9lev\u00e9 et sec.","protected":false},"author":2,"featured_media":950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Association du bassin versant de la baie Richmond - 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