{"id":4164,"date":"2026-03-17T19:13:10","date_gmt":"2026-03-17T23:13:10","guid":{"rendered":"https:\/\/learn.birdscanada.org\/?page_id=4164"},"modified":"2026-03-17T19:41:24","modified_gmt":"2026-03-17T23:41:24","slug":"champs-effort","status":"publish","type":"page","link":"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-effort\/","title":{"rendered":"Champs Effort"},"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>Le BMDE comporte plusieurs champs qui renseignent sur l&rsquo;effort. Beaucoup sont intuitifs, tels que <em>Collector<\/em> (le nom de la personne qui recueille les donn\u00e9es ) et <em>TimeObservationStarted<\/em> (heure du d\u00e9but de l\u2019observation). Le champ <em>DurationInHours<\/em>, qui indique la dur\u00e9e totale de l&rsquo;\u00e9v\u00e9nement d&rsquo;\u00e9chantillonnage associ\u00e9 \u00e0 l&rsquo;identifiant d&rsquo;<a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/identifiant-devenement-dechantillonnage\/\">\u00e9v\u00e9nement d&rsquo;\u00e9chantillonnage<\/a> de l&rsquo;enregistrement, rev\u00eat une importance particuli\u00e8re. <em>DurationInHours<\/em> est normalement fourni en heures d\u00e9cimales, de sorte qu&rsquo;une dur\u00e9e de 90 minutes serait repr\u00e9sent\u00e9e par 1,5 heure.<\/p>\n<p>Les champs <em>EffortMeasurement<\/em> et <em>EffortUnits<\/em> sont des champs au contenu flexible utilis\u00e9s pour enregistrer divers types d&rsquo;informations li\u00e9es \u00e0 l&rsquo;effort, ou dans certains cas des informations qui ne sont pas strictement li\u00e9es \u00e0 l&rsquo;effort, mais qui peuvent influencer la collecte de donn\u00e9es. Les versions de base et \u00e9tendue du BMDE 2.0 comptent 18 champs chacune, ce qui leur permet de saisir de nombreuses variables diff\u00e9rentes li\u00e9es \u00e0 l&rsquo;effort. Les champs sont num\u00e9rot\u00e9s, et un champ <em>EffortMeasurement<\/em> a toujours un champ <em>EffortUnits<\/em> correspondant, par exemple <em>EffortMeasurement3<\/em> et <em>EffortUnits3<\/em>.<\/p>\n<div id=\"attachment_3798\" style=\"width: 2570px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3798\" class=\"wp-image-3798 size-full\" src=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-scaled.jpg\" alt=\"A birdwatcher is standing on a gravel road before dawn, writing on a clipboard.\" width=\"2560\" height=\"1706\" srcset=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-200x133.jpg 200w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-300x200.jpg 300w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-400x267.jpg 400w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-600x400.jpg 600w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-768x512.jpg 768w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-800x533.jpg 800w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-1024x683.jpg 1024w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-1200x800.jpg 1200w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-1536x1024.jpg 1536w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/20240607_205919_3407x2271-scaled.jpg 2560w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><p id=\"caption-attachment-3798\" class=\"wp-caption-text\">Photo: Laura Achenbach<\/p><\/div>\n<p>Un champ <em>EffortMeasurement<\/em> contient une valeur, et le champ <em>EffortUnits<\/em> correspondant fournit les unit\u00e9s de mesure qui se rapportent \u00e0 cette valeur. Par exemple, <em>EffortUnits3<\/em> peut contenir \u00abTemperatureCelsius\u00bb, indiquant que le nombre dans EffortMeasurement3 est une mesure de la temp\u00e9rature en degr\u00e9s Celsius au moment de l&rsquo;observation.<\/p>\n<p>Chaque projet peut utiliser ces champs diff\u00e9remment. Il n&rsquo;est donc pas s\u00fbr de supposer que <em>EffortMeasurement3<\/em> dans un projet contient la m\u00eame variable ou le m\u00eame type d&rsquo;informations que dans un autre projet. Certains projets \u00e9troitement li\u00e9s peuvent se coordonner pour utiliser ces champs de mani\u00e8re coh\u00e9rente, par exemple les stations du R\u00e9seau canadien de surveillance des migrations. Les informations enregistr\u00e9es dans ces champs peuvent inclure des variables telles que la distance de relev\u00e9, l&rsquo;heure, les heures de travail, les conditions m\u00e9t\u00e9orologiques, les conditions environnementales (par exemple, la circulation, le bruit) et autres.<\/p>\n<p>L&rsquo;exemple de donn\u00e9es BMDE ci-dessous montre les champs Effort appari\u00e9s utilis\u00e9s pour recueillir des donn\u00e9es sur la m\u00e9t\u00e9o et la circulation.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-3805 size-full\" src=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939.png\" alt=\"A sample of a BMDE spreadsheet shows the effort fields, indicating variables including cloud cover, snow depth, traffic, and noise.\" width=\"1140\" height=\"453\" srcset=\"https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-200x79.png 200w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-300x119.png 300w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-400x159.png 400w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-600x238.png 600w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-768x305.png 768w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-800x318.png 800w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939-1024x407.png 1024w, https:\/\/learn.birdscanada.org\/wp-content\/uploads\/2025\/06\/Screenshot-2025-06-04-132939.png 1140w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/><\/p>\n<p>Dans certains cas, les champs <em>EffortMeasurement<\/em> utilisent une valeur num\u00e9rique pour indiquer une variable qualitative ou cat\u00e9gorielle (nominale). Par exemple, si un champ <em>EffortUnits<\/em> contient \u00abPr\u00e9cipitations\u00bb, le champ <em>EffortMeasurement<\/em> correspondant peut contenir des chiffres attribu\u00e9s \u00e0 des types de pr\u00e9cipitations tels que la pluie ou la neige.<\/p>\n<p>Si vous avez besoin de pr\u00e9cisions sur les donn\u00e9es contenues dans les champs Effort pour un projet donn\u00e9, vous devez vous r\u00e9f\u00e9rer aux champs <em>ProtocolReference<\/em> et <em>ProtocolURL<\/em> (s&rsquo;ils sont remplis) ou aux <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/metadonnees\/\">m\u00e9tadonn\u00e9es<\/a> du projet.<\/p>\n<p>Section suivante: <a href=\"https:\/\/learn.birdscanada.org\/fr\/autres-ressources\/naturecounts\/premiers-pas-avec-le-bmde\/champs-observation\/\">Champs Observation<\/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-4164","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages\/4164","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=4164"}],"version-history":[{"count":0,"href":"https:\/\/learn.birdscanada.org\/fr\/wp-json\/wp\/v2\/pages\/4164\/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=4164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}