{"id":3354,"date":"2016-03-15T11:26:27","date_gmt":"2016-03-15T16:26:27","guid":{"rendered":"https:\/\/wildlifepreservation.ca\/?page_id=3354"},"modified":"2016-11-30T13:24:17","modified_gmt":"2016-11-30T18:24:17","slug":"crapaud-de-fowler","status":"publish","type":"post","link":"https:\/\/wildlifepreservation.ca\/fr\/crapaud-de-fowler\/","title":{"rendered":"Crapaud de Fowler"},"content":{"rendered":"<p>[et_pb_section admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbRow\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_text admin_label=\u00a0\u00bbText\u00a0\u00bb background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb]<\/p>\n<p><em>Anaxyrus fowlerii<br \/>\n<\/em><strong>Statut de l\u2019esp\u00e8ce\u00a0: <\/strong>en voie de disparition au Canada<br \/>\n<strong>Mesures requises\u00a0:<\/strong> initiatives de r\u00e9introduction et d\u2019augmentation de la population<\/p>\n<p>Le crapaud de Fowler est gravement menac\u00e9 de disparition au Canada. Actuellement, on estime \u00e0 seulement quelques centaines le nombre d\u2019individus reproducteurs composant les petites populations tr\u00e8s dispers\u00e9es qui se trouvent encore sur les rives du lac \u00c9ri\u00e9.<\/p>\n<p><strong>En bref<br \/>\n<\/strong>Le trait le plus distinctif du crapaud de Fowler est son odeur, qui rappelle l\u2019arachide non grill\u00e9e. On reconna\u00eet aussi les m\u00e2les \u00e0 leur chant nuptial strident lorsqu\u2019ils se r\u00e9unissent dans les sites aquatiques de reproduction \u00e0 la fin du printemps. La p\u00e9riode larvaire dure de 40 \u00e0 60\u00a0jours, et les jeunes crapauds nouvellement m\u00e9tamorphos\u00e9s \u00e9mergent au milieu de l\u2019\u00e9t\u00e9. La croissance du crapaud de Fowler est rapide, et la plupart des individus atteignent leur taille adulte en un an. Bien qu\u2019ils puissent vivre de 3 \u00e0 5\u00a0ans, la mortalit\u00e9 annuelle est \u00e9lev\u00e9e \u00e0 tous les stades du cycle de vie. \u00c9tant une esp\u00e8ce nocturne, ils sont surtout actifs le soir.<\/p>\n<p><strong>Habitat<br \/>\n<\/strong>Le crapaud de Fowler est adapt\u00e9 aux dunes et aux habitats riverains. Son cycle vital complexe n\u00e9cessite la pr\u00e9sence de milieux aquatiques et de milieux terrestres. Les \u0153ufs et les t\u00eatards ont besoin d\u2019\u00e9tangs \u00e0 v\u00e9g\u00e9tation clairsem\u00e9e, de bassins \u00e0 fond sablonneux, de hauts-fonds rocheux ou bassins rocheux. Quant aux adultes, ils vivent dans les sols sablonneux bien drain\u00e9s ou les dunes, les plages sablonneuses, les zones bois\u00e9es caducifoli\u00e9es et les secteurs rocheux \u00e0 v\u00e9g\u00e9tation peu dense. Les crapauds juv\u00e9niles et adultes hibernent dans le sable. Tous ces habitats sont instables et vuln\u00e9rables \u00e0 l\u2019\u00e9rosion, \u00e0 l\u2019ensablement, aux temp\u00eates et \u00e0 la fluctuation des niveaux d\u2019eau.<\/p>\n<p><strong>Aire de r\u00e9partition<br \/>\n<\/strong>Le crapaud de Fowler est pr\u00e9sent dans une grande partie de l\u2019Am\u00e9rique du Nord \u00e0 l\u2019est des grandes plaines et au sud des Grands Lacs. Au Canada, on ne le retrouve toutefois que sur la rive nord du lac \u00c9ri\u00e9, dans l\u2019extr\u00eame sud de l\u2019Ontario.<\/p>\n<p><strong>Menaces<br \/>\n<\/strong>Le risque que le crapaud de Fowler disparaisse compl\u00e8tement au Canada est \u00e9lev\u00e9. Sa principale menace est la perte et la d\u00e9gradation des plages et des dunes riveraines qui constituent son habitat. L\u2019un des probl\u00e8mes importants est la propagation envahissante du roseau commun, le <em>phragmites australis<\/em>, qui forme des colonies denses et fait baisser les niveaux d\u2019eau, allant jusqu\u2019\u00e0 ass\u00e9cher les zones humides.<\/p>\n<p>D\u2019autres facteurs interviennent, notamment les projets de d\u00e9veloppement et de stabilisation artificielle des rives, ce qui inclut la construction de brise-lames, de routes, de terrains de stationnement, de quais et d\u2019\u00e9pis. \u00a0Les activit\u00e9s d\u2019entretien des plages, telles que le terrassement, le nettoyage et l\u2019enl\u00e8vement des algues au moyen de machines ou de bouteurs, repr\u00e9sentent aussi des probl\u00e8mes majeurs, alors que la circulation de v\u00e9hicules et l\u2019utilisation r\u00e9cr\u00e9ative des plages et des dunes concourent \u00e0 la perte de l\u2019habitat. Enfin, le ruissellement agricole, la pollution industrielle et la pr\u00e9sence d\u2019autres esp\u00e8ces envahissantes, comme la moule z\u00e9br\u00e9e, repr\u00e9sentent des menaces importantes.<\/p>\n<p><strong>Mesures de r\u00e9tablissement recommand\u00e9es<br \/>\n<\/strong>Le Programme de r\u00e9tablissement de l\u2019Ontario recommande diff\u00e9rentes mesures, dont l\u2019am\u00e9lioration de l\u2019habitat, l\u2019\u00e9tude de faisabilit\u00e9 de la r\u00e9introduction du crapaud de Fowler dans des zones appropri\u00e9es et, lorsque c\u2019est possible, le r\u00e9tablissement de populations. Le succ\u00e8s de la r\u00e9introduction du crapaud de Fowler d\u00e9pend largement de la compr\u00e9hension des conditions n\u00e9cessaires \u00e0 l\u2019augmentation des populations de jeunes crapauds \u00e0 partir des sites de reproduction existants.<\/p>\n<p><strong>Ce que nous faisons<br \/>\n<\/strong>Informez-vous de ce que Conservation de la faune au Canada fait pour sauvegarder les <a href=\"https:\/\/wildlifepreservation.ca\/fr\/initiative-de-retablissement-de-reptiles-et-damphibiens\/\">reptiles et les amphibiens<\/a>\u00a0 \u2013 dont crapaud de Fowler \u2013 et des gestes que vous pouvez poser pour contribuer \u00e0 cet effort.<\/p>\n<p><strong>Pour plus d\u2019information<br \/>\n<\/strong><a href=\"https:\/\/www.registrelep-sararegistry.gc.ca\/species\/speciesDetails_f.cfm?sid=281\">Registre public des esp\u00e8ces en p\u00e9ril, crapaud de Fowler<br \/>\n<\/a><a href=\"https:\/\/files.ontario.ca\/environment-and-energy\/species-at-risk\/stdprod_075577.pdf\">Recovery Strategy for the Fowler\u2019s Toad in Ontario<\/a> (en anglais)<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbRow\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_text admin_label=\u00a0\u00bbText\u00a0\u00bb background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb] Anaxyrus fowlerii Statut de l\u2019esp\u00e8ce\u00a0: en voie de disparition au Canada Mesures requises\u00a0: initiatives de r\u00e9introduction et d\u2019augmentation de la population Le crapaud de Fowler est gravement menac\u00e9 de disparition au Canada. Actuellement, on estime \u00e0 seulement quelques centaines le nombre d\u2019individus reproducteurs composant les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8041,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[62],"tags":[15,18,19,16,17,14,13],"class_list":["post-3354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reptiles-et-amphibiens","tag-amphibian","tag-at-risk","tag-endangered","tag-extinct","tag-extinction","tag-fowlers","tag-toad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Crapaud de Fowler - Conservation de la Faune au Canada<\/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:\/\/wildlifepreservation.ca\/fr\/crapaud-de-fowler\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Crapaud de Fowler - Conservation de la Faune au Canada\" \/>\n<meta property=\"og:description\" content=\"[et_pb_section admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbRow\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_text admin_label=\u00a0\u00bbText\u00a0\u00bb background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb] Anaxyrus fowlerii Statut de l\u2019esp\u00e8ce\u00a0: en voie de disparition au Canada Mesures requises\u00a0: initiatives de r\u00e9introduction et d\u2019augmentation de la population Le crapaud de Fowler est gravement menac\u00e9 de disparition au Canada. 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Conservation de la Faune au Canada","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:\/\/wildlifepreservation.ca\/fr\/crapaud-de-fowler\/","og_locale":"fr_CA","og_type":"article","og_title":"Crapaud de Fowler - Conservation de la Faune au Canada","og_description":"[et_pb_section admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbRow\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_text admin_label=\u00a0\u00bbText\u00a0\u00bb background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb] Anaxyrus fowlerii Statut de l\u2019esp\u00e8ce\u00a0: en voie de disparition au Canada Mesures requises\u00a0: initiatives de r\u00e9introduction et d\u2019augmentation de la population Le crapaud de Fowler est gravement menac\u00e9 de disparition au Canada. 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