{"id":253,"date":"2014-08-18T16:20:51","date_gmt":"2014-08-18T20:20:51","guid":{"rendered":"http:\/\/www.frfce.qc.ca\/?page_id=253"},"modified":"2014-09-12T15:39:19","modified_gmt":"2014-09-12T19:39:19","slug":"bandes-darbres-multi-especes-en-zone-riveraine-agricole","status":"publish","type":"page","link":"https:\/\/www.frfce.qc.ca\/?page_id=253","title":{"rendered":"Bandes d\u2019arbres multi-esp\u00e8ces en zone riveraine agricole"},"content":{"rendered":"<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-131 size-full\" src=\"http:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/bande_arbres_multi-especes_zone_riveraine_agricole.png\" alt=\"bandes d'arbres multi-esp\u00e8ces en zone riveraine agricolegricole\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/bande_arbres_multi-especes_zone_riveraine_agricole.png 200w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/bande_arbres_multi-especes_zone_riveraine_agricole-150x150.png 150w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/bande_arbres_multi-especes_zone_riveraine_agricole-50x50.png 50w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/>Mise en contexte<\/strong><\/p>\n<p>Nos \u00e9tudes r\u00e9alis\u00e9es en bande riveraine agricole depuis 2003 montrent l\u2019\u00e9norme potentiel du peuplier hybride pour produire du bois et restaurer des services \u00e9cosyst\u00e9miques sur la ferme. Mais, qu\u2019en est-il du potentiel des autres esp\u00e8ces ligneuses pour cr\u00e9er des corridors riverains diversifi\u00e9s en milieu agricole? Est-il possible de r\u00e9introduire avec succ\u00e8s des essences nobles en zones riveraines d\u00e9grad\u00e9es? Quels sont les traitements sylvicoles n\u00e9cessaires pour y parvenir? Parall\u00e8lement, il serait int\u00e9ressant d\u2019\u00e9valuer les \u00e9carts de croissance entre le peuplier hybride et d\u2019autres esp\u00e8ces \u00e0 croissance plus lente dans une perspective de cr\u00e9ation de corridors forestiers en territoire fragment\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<p>Ce projet de recherche vise \u00e0 \u00e9valuer la possibilit\u00e9 de reboiser, sur 1 km de longueur, la zone riveraine de 2\u00a0cours d\u2019eau de t\u00eate traversant des p\u00e2turages bovins de l\u2019Estrie. Le but est d\u2019\u00e9valuer l\u2019effet de diff\u00e9rents traitements de r\u00e9pression de la v\u00e9g\u00e9tation concurrente sur la survie et la croissance des plants. \u00c0 plus long terme, l\u2019objectif du projet est de cr\u00e9er des corridors forestiers diversifi\u00e9s et multifonctionnels en milieu agricole.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Dispositifs de recherche<\/strong><\/p>\n<div id=\"attachment_390\" style=\"width: 210px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-390\" class=\"wp-image-390 size-full\" src=\"http:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/PlanterLePeuplier.jpg\" alt=\"Plantation d'un peuplier hybride\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/PlanterLePeuplier.jpg 200w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/PlanterLePeuplier-150x150.jpg 150w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/PlanterLePeuplier-50x50.jpg 50w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-390\" class=\"wp-caption-text\">Plantation d&rsquo;un peuplier hybride<\/p><\/div>\n<p>Au printemps 2010, un premier dispositif a \u00e9t\u00e9 \u00e9tabli \u00e0 la Ferme Lamontagne, \u00e0 Magog. Cinq esp\u00e8ces d\u2019arbres (ch\u00eane rouge, ch\u00eane \u00e0 gros fruits, fr\u00eane rouge, peuplier hybride et pin blanc) ont \u00e9t\u00e9 plant\u00e9es dans le dispositif. Le site \u00e9tait divis\u00e9 en 8 blocs, chacun contenait 5 esp\u00e8ces d\u2019arbres et 2 traitements de r\u00e9pression de la v\u00e9g\u00e9tation concurrente (paillis de plastique noir et t\u00e9moin), pour un total de 80 parcelles exp\u00e9rimentales. Une esp\u00e8ce de saule a \u00e9galement \u00e9t\u00e9 plant\u00e9e hors des parcelles, et sans traitement sylvicole, directement en bordure du cours d\u2019eau.<\/p>\n<p>&nbsp;<\/p>\n<p>Toujours au printemps 2010, un deuxi\u00e8me dispositif a \u00e9t\u00e9 \u00e9tabli \u00e0 la Ferme Carocel dans la municipalit\u00e9 de Sherbrooke (arrondissement Bromptonville). Trois esp\u00e8ces d\u2019arbres (ch\u00eane \u00e0 gros fruits, noyer noir et pin blanc) ont \u00e9t\u00e9 plant\u00e9es dans le dispositif. Chacun des 6 blocs contenait 3 esp\u00e8ces d\u2019arbres et 3 traitements de r\u00e9pression de la v\u00e9g\u00e9tation concurrente (paillis de plastique noir, phytocide et t\u00e9moin), pour un total de 54 parcelles exp\u00e9rimentales. Une esp\u00e8ce de saule a \u00e9galement \u00e9t\u00e9 plant\u00e9e hors des parcelles, et sans traitement sylvicole, directement en bordure du cours d\u2019eau.<\/p>\n<p>&nbsp;<\/p>\n<p>Sur chacun des deux sites, ces dispositifs s\u2019\u00e9tendent sur 1 km de cours d\u2019eau sur les deux berges. En incluant les arbres plant\u00e9s \u00e0 des fins de remplissage, entre les blocs des dispositifs de recherche, c\u2019est un peu plus de 3 500 arbres et qui ont \u00e9t\u00e9 mis en terre pour ce projet de restauration.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>R\u00e9sultats pr\u00e9liminaires<\/strong><\/p>\n<p>Apr\u00e8s 4 saisons de croissance, il est clair que les traitements de r\u00e9pression de la v\u00e9g\u00e9tation concurrente en bandes riveraines favorisent grandement la croissance des plants.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-458 size-full\" src=\"http:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/ferme_lamontagne.png\" alt=\"\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/ferme_lamontagne.png 200w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/ferme_lamontagne-150x150.png 150w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/ferme_lamontagne-50x50.png 50w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u00c0 la Ferme Lamontagne (Magog)<\/p>\n<ul>\n<li>Le peuplier hybride et le fr\u00eane rouge pr\u00e9sentent les croissances les plus fortes, particuli\u00e8rement lorsque le paillis de plastique noir est employ\u00e9.<\/li>\n<li>Malgr\u00e9 une survie \u00e9lev\u00e9e pour l\u2019ensemble des plants, les arbres des parcelles t\u00e9moins (sans paillis) pr\u00e9sentaient une s\u00e9nescence pr\u00e9coce et une croissance beaucoup plus faible.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u00c0 la Ferme Carocel (Bromptonville)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-254\" src=\"http:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/chene_gros_fruit.png\" alt=\"ch\u00eane \u00e0 gros fruit\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/chene_gros_fruit.png 200w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/chene_gros_fruit-150x150.png 150w, https:\/\/www.frfce.qc.ca\/wp-content\/uploads\/2014\/08\/chene_gros_fruit-50x50.png 50w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/p>\n<ul>\n<li>La croissance a \u00e9t\u00e9 sup\u00e9rieure dans les parcellesqui ont fait l\u2019objet d\u2019un paillage (plastique noir) ou d\u2019une application de phytocide.<\/li>\n<li>Aucune diff\u00e9rence significative de croissance n\u2019a \u00e9t\u00e9 observ\u00e9e entre les arbres d\u00e9gag\u00e9s au phytocide et ceux b\u00e9n\u00e9ficiant d\u2019un paillis de plastique<\/li>\n<li>Le pin blanc est l\u2019esp\u00e8ce pour laquelle on voit le moins de diff\u00e9rences de croissance dues aux traitements de r\u00e9pression de la v\u00e9g\u00e9tation herbac\u00e9e.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Bref, ces r\u00e9sultats montrent, apr\u00e8s quatre saisons de croissance, qu\u2019il est possible d\u2019\u00e9tablir avec succ\u00e8s des plantations de restauration multi-esp\u00e8ces \u00e0 grande \u00e9chelle en bandes riveraines de petits cours d\u2019eau agricoles dans le sud du Qu\u00e9bec. Cette \u00e9tude montre \u00e9galement que l\u2019application d\u2019un traitement de r\u00e9pression de la v\u00e9g\u00e9tation concurrente est tr\u00e8s importante pour favoriser l\u2019\u00e9tablissement et la croissance des jeunes plants.<\/p>\n<p>&nbsp;<\/p>\n<p>Dans les milieux o\u00f9 la zone riveraine pr\u00e9sente un sol rocailleux et \u00e0 pente forte, il s\u2019av\u00e8re beaucoup plus \u00e9conomique et facile de r\u00e9aliser un d\u00e9gagement chimique par pied d\u2019arbre. Le paillis de plastique noir demeure un choix int\u00e9ressant en terrain plat, surtout lorsqu\u2019une d\u00e9rouleuse \u00e0 paillis est employ\u00e9e.<\/p>\n<p>&nbsp;<\/p>\n<style id=\"bwg-style-0\">    #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails {      width: 604px;              justify-content: center;        margin:0 auto !important;              background-color: rgba(255, 255, 255, 0.00);            padding-left: 4px;      padding-top: 4px;      max-width: 100%;            }        #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails .bwg-item {    justify-content: flex-start;      max-width: 120px;            width: 120px !important;          }    #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails .bwg-item a {       margin-right: 4px;       margin-bottom: 4px;    }    #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails .bwg-item0 {      padding: 0px;            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produire du bois et restaurer des services \u00e9cosyst\u00e9miques sur la ferme. Mais, qu\u2019en est-il du potentiel des autres esp\u00e8ces ligneuses pour cr\u00e9er des corridors riverains diversifi\u00e9s en milieu agricole? Est-il possible de r\u00e9introduire avec succ\u00e8s des [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":20,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-253","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/pages\/253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=253"}],"version-history":[{"count":12,"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/pages\/253\/revisions"}],"predecessor-version":[{"id":459,"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/pages\/253\/revisions\/459"}],"up":[{"embeddable":true,"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=\/wp\/v2\/pages\/20"}],"wp:attachment":[{"href":"https:\/\/www.frfce.qc.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}