{"id":4158,"date":"2026-03-17T18:52:42","date_gmt":"2026-03-17T22:52:42","guid":{"rendered":"https:\/\/learn.birdscanada.org\/?page_id=4158"},"modified":"2026-03-17T19:41:09","modified_gmt":"2026-03-17T23:41:09","slug":"champs-de-localisation","status":"publish","type":"page","link":"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-de-localisation\/","title":{"rendered":"Champs de localisation"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1236px;margin-left: calc(-3% \/ 2 );margin-right: calc(-3% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_4 1_4 fusion-flex-column additional-res-sidebar fusion-animated\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.82%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.82%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:5.82%;--awb-spacing-left-medium:5.82%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\" data-animationType=\"fadeInLeft\" data-animationDuration=\"0.5\" data-animationOffset=\"top-into-view\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-three additional-res-sidebar-title\" style=\"--awb-margin-bottom:8px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\"><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/\">Premiers pas avec le BMDE<\/a><\/h3><\/div><div class=\"fusion-text fusion-text-1 fusion-text-no-margin additional-res-sidebar-sub\"><p>(Choisissez des sujets ci-dessous)<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_3);border-color:var(--awb-custom_color_3);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-text fusion-text-2 additional-res-sidebar-text\"><p>Comprendre le BMDE :<\/p>\n<ul>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/contexte-et-definitions\/\">Contexte et d\u00e9finitions<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/quest-ce-que-le-bmde\/\">Qu&rsquo;est-ce que le BMDE ?<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/pourquoi-utilisons-nous-le-bmde\/\">Pourquoi utilisons-nous le BMDE ?<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/versions-et-extensions-du-bmde\/\">Versions et extensions du BMDE<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-bmde\/\">Champs BMDE<\/a>\n<ul>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/identifiant-unique-mondial\/\">Identifiant unique mondial<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/identifiant-devenement-dechantillonnage\/\">Identifiants d&rsquo;\u00e9v\u00e9nements d&rsquo;\u00e9chantillonnage<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-de-localisation\/\">Champs de localisation<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-relatifs-au-protocole\/\">Champs relatifs au protocole<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-effort\/\">Champs Effort<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-observation\/\">Champs Observation<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/types-densembles-de-donnees\/\">Types d&rsquo;ensembles de donn\u00e9es<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/types-de-structures-des-donnees\/\">Types de structures des donn\u00e9es<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/metadonnees\/\">M\u00e9tadonn\u00e9es<\/a><\/li>\n<li><a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/le-logiciel-r\/\">Le logiciel R<\/a><\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_3_4 3_4 fusion-flex-column additional-res-content-col fusion-animated\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.94%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:60px;--awb-width-medium:75%;--awb-order-medium:0;--awb-spacing-right-medium:1.94%;--awb-spacing-left-medium:60px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\" data-animationType=\"fadeInRight\" data-animationDuration=\"0.5\" data-animationOffset=\"top-into-view\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><p>Certains champs du BMDE d\u00e9crivent l&#8217;emplacement. Beaucoup sont explicites, notamment <em>Continent<\/em>, <em>Country<\/em>, <em>StateProvince<\/em>, <em>County<\/em>, <em>IslandGroup<\/em> et <em>WaterBody<\/em>. Le champ <em>Locality<\/em> est moins standardis\u00e9 et peut contenir toute description du lieu de l&rsquo;observation, y compris le nom d&rsquo;une station, d&rsquo;une parcelle d&rsquo;atlas ou d&rsquo;un site d&rsquo;\u00e9tude.<\/p>\n<p>Tous les champs \u00e9num\u00e9r\u00e9s ci-dessus ne doivent pas n\u00e9cessairement \u00eatre remplis dans chaque ensemble de donn\u00e9es, mais nous recommandons vivement, dans la mesure du possible, d&rsquo;indiquer les emplacements \u00e0 l&rsquo;aide des champs <em>DecimalLatitude<\/em> et <em>DecimalLongitude<\/em>.<\/p>\n<p>Les donn\u00e9es de ces champs doivent \u00eatre fournies au format de coordonn\u00e9es d\u00e9cimales. Par exemple, une latitude de 52 degr\u00e9s, 38 minutes et 12 secondes nord doit \u00eatre repr\u00e9sent\u00e9e par 52,636667. Notez que dans ce format, les valeurs n\u00e9gatives sont g\u00e9n\u00e9ralement utilis\u00e9es pour repr\u00e9senter les latitudes dans l&rsquo;h\u00e9misph\u00e8re sud et les longitudes n\u00e9gatives dans l&rsquo;h\u00e9misph\u00e8re occidental. Pour les donn\u00e9es recueillies au Canada, toutes les latitudes doivent donc logiquement \u00eatre positives et toutes les longitudes n\u00e9gatives.<\/p>\n<p>En r\u00e8gle g\u00e9n\u00e9rale, la latitude et la longitude doivent utiliser le syst\u00e8me de r\u00e9f\u00e9rence g\u00e9od\u00e9sique (le syst\u00e8me de r\u00e9f\u00e9rence \u00e0 partir duquel les coordonn\u00e9es sont d\u00e9riv\u00e9es) NAD83 ou WGS84. Le syst\u00e8me de r\u00e9f\u00e9rence utilis\u00e9 doit \u00eatre indiqu\u00e9 dans le champ <em>GeodeticDatum<\/em>.<\/p>\n<div id=\"attachment_3989\" style=\"width: 2570px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3989\" class=\"wp-image-3989 size-full\" src=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1707\" srcset=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-200x133.jpg 200w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-300x200.jpg 300w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-400x267.jpg 400w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-600x400.jpg 600w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-768x512.jpg 768w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-800x533.jpg 800w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-1024x683.jpg 1024w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-1200x800.jpg 1200w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-1536x1024.jpg 1536w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/07\/naturecounts_Kris-Cu_15-scaled.jpg 2560w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><p id=\"caption-attachment-3989\" class=\"wp-caption-text\">Photo: Kris Cu<\/p><\/div>\n<p>Les coordonn\u00e9es dans les champs de latitude et de longitude repr\u00e9sentent g\u00e9n\u00e9ralement un point unique associ\u00e9 \u00e0 un <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/identifiant-devenement-dechantillonnage\/\">\u00e9v\u00e9nement d&rsquo;\u00e9chantillonnage<\/a> ou \u00e0 un programme complet. Toutes les observations d&rsquo;un programme auront normalement le m\u00eame ensemble de coordonn\u00e9es. Ces coordonn\u00e9es peuvent correspondre au centre d&rsquo;une zone de point d&rsquo;\u00e9coute, au point de d\u00e9part d&rsquo;un relev\u00e9 par transects, au lieu approximatif d&rsquo;une observation g\u00e9n\u00e9rale par liste, ou m\u00eame au centro\u00efde d&rsquo;un emplacement plus vaste, comme une parcelle d&rsquo;atlas de 10 x 10 km. Le champ <em>CoordinatesScope<\/em> peut \u00eatre utile pour d\u00e9terminer exactement ce que repr\u00e9sentent les coordonn\u00e9es, et les <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-relatifs-au-protocole\/\">champs relatifs au protocole<\/a> ou les <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/metadonnees\/\">m\u00e9tadonn\u00e9es<\/a> du projet peuvent \u00e9galement aider \u00e0 clarifier les choses.<\/p>\n<p>La pr\u00e9cision de la mesure des coordonn\u00e9es peut \u00eatre indiqu\u00e9e dans les champs <em>CoordinatesUncertaintyInMeters<\/em> ou <em>CoordinatesUncertaintyInDecimalDegrees<\/em>.<\/p>\n<p>Dans certains programmes, les coordonn\u00e9es pr\u00e9cises d&rsquo;une observation individuelle peuvent \u00e9galement \u00eatre enregistr\u00e9es. Elles sont fournies \u00e0 l&rsquo;aide des champs <em>SpecimenDecimalLatitude<\/em> et <em>SpecimenDecminalLongitude<\/em>.<\/p>\n<p>Enfin, dans certains cas, les coordonn\u00e9es peuvent \u00eatre indiqu\u00e9es \u00e0 l&rsquo;aide du syst\u00e8me UTM plut\u00f4t que de la latitude et de la longitude. Si elles sont utilis\u00e9es, les coordonn\u00e9es UTM se trouvent dans les champs <em>UTMZone<\/em>, <em>UTMNorthing<\/em> et <em>UTMEasting<\/em>.<\/p>\n<p>Section suivante: <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-relatifs-au-protocole\/\">Champs relatifs au protocole<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":23,"featured_media":3763,"parent":4113,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4158","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages\/4158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/comments?post=4158"}],"version-history":[{"count":0,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages\/4158\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages\/4113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/media\/3763"}],"wp:attachment":[{"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/media?parent=4158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}