{"id":416,"date":"2014-08-22T15:41:45","date_gmt":"2014-08-22T15:41:45","guid":{"rendered":"http:\/\/www.naturewatch.ca\/wormwatch\/?page_id=416"},"modified":"2014-10-17T14:16:01","modified_gmt":"2014-10-17T14:16:01","slug":"416-2","status":"publish","type":"page","link":"https:\/\/www.naturewatch.ca\/wormwatch\/fr\/comment-surveiller\/416-2\/","title":{"rendered":"Fait de ver"},"content":{"rendered":"<h2>Le saviez-vous?<\/h2>\n<ul>\n<li>\n  Un seul hectare de terre peut abriter plus d&rsquo;un demi-million de vers, mangeant neuf tonnes de feuilles, de tiges et de racines mortes et retournant 36\u00a0tonnes de terre par ann\u00e9e. Imaginez combien de mati\u00e8re morte s&rsquo;accumulerait en cas de gr\u00e8ve g\u00e9n\u00e9rale des vers de terre! <\/li>\n<li> Jardiniers et p\u00eacheurs profitent aussi des vers de terre, surtout du lombric commun (Lumbricus terrestris L.). Cependant, une fois introduite dans de nouveaux secteurs, cette esp\u00e8ce peut perturber la biodiversit\u00e9 indig\u00e8ne. Par exemple, certaines for\u00eats du nord-est des \u00c9tats-Unis ne se r\u00e9g\u00e9n\u00e8rent pas en raison des changements qu&rsquo;elle apporte aux sols (www.nrri.umn.edu\/worms) [en anglais seulement]. Alors, apr\u00e8s avoir p\u00each\u00e9, que devriez-vous faire avec les vers de terre qui restent? <\/li>\n<li> De nombreuses c\u00e9l\u00e9brit\u00e9s ont reconnu les services \u00e9cologiques rendus par les vers de terre. <\/li>\n<\/ul>\n<div style=\"width: 100%; float: left; padding:1%; border:1px solid #ccc;\"><a href=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/39970552.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"285\" height=\"400\" class=\"alignnone size-full wp-image-239\" style=\"vertical-align: text-top; float:left; padding:1%;\" src=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/39970552.jpg\" alt=\"39970552\" border=\"0\" srcset=\"https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/39970552.jpg 285w, https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/39970552-213x300.jpg 213w\" sizes=\"auto, (max-width: 285px) 100vw, 285px\" \/><\/a>Cl\u00e9op\u00e2tre a d\u00e9clar\u00e9 qu\u2019ils \u00e9taient sacr\u00e9s, et a interdit aux agriculteurs \u00e9gyptiens de les \u00e9liminer.<\/div>\n<div style=\"width: 100%; float: left; margin-top: 3%; border:1px solid #ccc; padding: 1%;\"><a href=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/50029525.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"400\" class=\"alignnone size-full wp-image-240\" style=\"vertical-align: text-top; float:left; padding:1%;\" src=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/50029525.jpg\" alt=\"50029525\" align=\"left\" border=\"0\" srcset=\"https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/50029525.jpg 300w, https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/50029525-225x300.jpg 225w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Aristote les a nomm\u00e9s les \u00ab intestins du sol \u00bb<\/div>\n<div style=\"width: 100%; float: left; margin-top: 3%; border:1px solid #ccc; padding:1%;\"><a href=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/22453687.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"400\" class=\"alignnone size-full wp-image-238\" style=\"vertical-align: text-top; float:left; padding:1%;\" src=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/22453687.jpg\" alt=\"22453687\" align=\"left\" border=\"0\" srcset=\"https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/22453687.jpg 300w, https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/22453687-225x300.jpg 225w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Selon Charles Darwin, qui a \u00e9tudi\u00e9 les vers de terre durant 39\u00a0ans, peu d&rsquo;autres esp\u00e8ces animales auraient jou\u00e9 un r\u00f4le aussi important dans l&rsquo;histoire du monde. <\/div>\n<\/div>\n<div style=\"width: 100%; float: left; margin-top: 2%;\">\n<h2>Des b&acirc;tisseus d&rsquo;habitat<\/h2>\n<p><a href=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/33864756.jpg\"><img decoding=\"async\" src=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/33864756.jpg\" alt=\"33864756\" style=\"float:right; margin:0 0 0 1%;\" \/><\/a>Les vers de terre, avec leur impact consid\u00e9rable sur les sols, sont des   \u00ab\u00a0ing\u00e9nieurs de l&rsquo;\u00e9cosyst\u00e8me\u00a0\u00bb. Leur r\u00e9seau de galeries souterraines   accro\u00eet la quantit\u00e9 d&rsquo;eau et d&rsquo;air atteignant les racines des plantes et   d&rsquo;autres organismes du sol, favorisant ainsi leur croissance. Comme la   plupart des vers de terre m\u00e9langent aussi la liti\u00e8re v\u00e9g\u00e9tale et la   mati\u00e8re organique au sol, ils en acc\u00e9l\u00e8rent la vitesse de d\u00e9composition   et de lib\u00e9ration des \u00e9l\u00e9ments nutritifs. Ainsi, les vers de terre   recyclent les \u00e9l\u00e9ments nutritifs provenant des plantes mortes et   d&rsquo;autres organismes du sol et les rendent r\u00e9utilisables.<\/p>\n<h2>Esp\u00e8ces indig\u00e8nes et introduites<\/h2>\n<p> La plupart des membres de la famille des vers de terre (Lumbricid\u00e9s)   seraient disparus du Canada durant la derni\u00e8re p\u00e9riode glaciaire. Les   vers de terre indig\u00e8nes n&rsquo;ont surv\u00e9cu que dans les r\u00e9gions ayant \u00e9chapp\u00e9   aux glaciations, comme la c\u00f4te ouest de la Colombie-Britannique,   certaines parties du Yukon et l&rsquo;extr\u00eame-sud des r\u00e9gions de l&rsquo;Est et du   Canada atlantique. Nombre d&rsquo;esp\u00e8ces aujourd&rsquo;hui pr\u00e9sentes au Canada ont   \u00e9t\u00e9 introduites par les colons Europ\u00e9ens, qui appr\u00e9ciaient leurs   services \u00e9cologiques, particuli\u00e8rement en agriculture. <\/p>\n<p> Les esp\u00e8ces pr\u00e9sentes au Canada appartiennent \u00e0 l&rsquo;une ou l&rsquo;autre des   trois familles suivantes\u00a0:  <\/p>\n<ul style=\"list-style:square; padding-left:5%;\">\n<li>Lumbricidae <\/li>\n<li>Acanthodrilidae<\/li>\n<li>Sparganophilidae. <\/li>\n<\/ul>\n<p>Les esp\u00e8ces suivantes sont indig\u00e8nes au Canada et en   Am\u00e9rique du Nord\u00a0:<\/p>\n<ul style=\"list-style:square; padding-left:5%;\">\n<li>Aporrectodea bowcrowensis <\/li>\n<li>Bimastos lawrenceae <\/li>\n<li>Arctiostrotus perrieri <\/li>\n<li>Arctiostrotus vancouverensis <\/li>\n<li>Toutellus oregonensis<\/li>\n<li>Sparganophilus eiseni. <\/li>\n<\/ul>\n<\/div>\n<div style=\"width: 100%; float: left; padding-top:2%;\">\n<h2>Un mythe a propose des vers de terre<\/h2>\n<p>Is it true that you can cut an earthworm in half and get two earthworms? <\/p>\n<p> <a href=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/zoom.fotolia.com_.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"258\" src=\"http:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/zoom.fotolia.com_.jpg\" alt=\"zoom.fotolia.com\" class=\"alignnone size-full wp-image-252\" style=\"float:left; padding-right:1%;\" srcset=\"https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/zoom.fotolia.com_.jpg 400w, https:\/\/www.naturewatch.ca\/wormwatch\/wp-content\/uploads\/sites\/5\/2014\/08\/zoom.fotolia.com_-300x193.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p> Est-il vrai qu&rsquo;on peut couper un ver de terre en deux et en obtenir deux? <\/p>\n<p> Non, c&rsquo;est un mythe. Si vous coupez un ver de terre pr\u00e8s de   l&rsquo;extr\u00e9mit\u00e9 de la queue, une nouvelle queue va pousser. Si le ver de   terre est coup\u00e9 ailleurs, il mourra. S.V.P. n&rsquo;essayez pas de v\u00e9rifier ce mythe&#8230; tous les organismes vivants m\u00e9ritent notre respect! <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le saviez-vous? Un seul hectare de terre peut abriter plus d&rsquo;un demi-million de vers, mangeant neuf tonnes de feuilles, de tiges et de racines mortes et retournant 36\u00a0tonnes de terre par ann\u00e9e. Imaginez combien de mati\u00e8re morte s&rsquo;accumulerait en cas&hellip; <\/p>\n","protected":false},"author":2,"featured_media":0,"parent":31,"menu_order":4,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-416","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fait de ver - WormWatch<\/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.naturewatch.ca\/wormwatch\/fr\/comment-surveiller\/416-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fait de ver - WormWatch\" \/>\n<meta property=\"og:description\" content=\"Le saviez-vous? 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