{"id":71422,"date":"2025-05-29T14:04:14","date_gmt":"2025-05-29T18:04:14","guid":{"rendered":"https:\/\/baleinesendirect.org\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/"},"modified":"2025-06-03T14:55:58","modified_gmt":"2025-06-03T18:55:58","slug":"des-changements-dans-la-diete-des-belugas-du-saint-laurent","status":"publish","type":"post","link":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/","title":{"rendered":"Changes in the Diet of St. Lawrence Belugas"},"content":{"rendered":"

\u201cSmall fish such as capelin (Mallotus villosus) and sand launce [sic] (Ammodytes spp.) […] are the main food of Beluga of all ages,\u201d<\/em> wrote<\/a> biologist Vadim Vladykov<\/a> in 1944 regarding the diet of the St. Lawrence beluga. In 2025, a scientific publication<\/a> from Fisheries and Oceans Canada (DFO) stated that the proportion of capelin and sand lance in the belugas\u2019 diet had declined significantly, and that a wide diversity of diets was now being observed within the population.<\/p>\n

What has happened in recent decades? DFO scientists are still unsure of the exact cause, but suggest that several factors \u2013 including climate change and overfishing \u2013 might be to blame for these variations, according to an article<\/a> published last February in Scientific Reports<\/em>, published by the journal Nature<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cSmall fish such as capelin (Mallotus villosus) and sand launce [sic] (Ammodytes spp.) […] are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov in 1944 regarding the diet of the St. Lawrence beluga. In 2025, a scientific publication from Fisheries and Oceans Canada (DFO) stated that the proportion of capelin and […]<\/p>\n","protected":false},"author":12842,"featured_media":71376,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[18],"tags":[20,1996,1997,1998],"class_list":["post-71422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-beluga-en","tag-diete-en","tag-mpo-en","tag-poissons-en"],"acf":[],"yoast_head":"\nChanges in the Diet of St. Lawrence Belugas - Baleines en direct<\/title>\n<meta name=\"description\" content=\"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Changes in the Diet of St. Lawrence Belugas - Baleines en direct\" \/>\n<meta property=\"og:description\" content=\"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov\" \/>\n<meta property=\"og:url\" content=\"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/\" \/>\n<meta property=\"og:site_name\" content=\"Baleines en direct\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/baleinesendirect\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-29T18:04:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-03T18:55:58+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1927\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Od\u00e9lie Brouillette\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@BaleineMagazine\" \/>\n<meta name=\"twitter:site\" content=\"@BaleineMagazine\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Od\u00e9lie Brouillette\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/\"},\"author\":{\"name\":\"Od\u00e9lie Brouillette\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#\\\/schema\\\/person\\\/7e6b894497b244a6bd9afb04aef65934\"},\"headline\":\"Changes in the Diet of St. Lawrence Belugas\",\"datePublished\":\"2025-05-29T18:04:14+00:00\",\"dateModified\":\"2025-06-03T18:55:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/\"},\"wordCount\":130,\"publisher\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/BLV110928_1155.JPG_compressed.jpeg\",\"keywords\":[\"B\u00e9luga\",\"di\u00e8te\",\"MPO\",\"poissons\"],\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/\",\"name\":\"Changes in the Diet of St. Lawrence Belugas - Baleines en direct\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/BLV110928_1155.JPG_compressed.jpeg\",\"datePublished\":\"2025-05-29T18:04:14+00:00\",\"dateModified\":\"2025-06-03T18:55:58+00:00\",\"description\":\"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#primaryimage\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/BLV110928_1155.JPG_compressed.jpeg\",\"contentUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/BLV110928_1155.JPG_compressed.jpeg\",\"width\":1927,\"height\":1280},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Changes in the Diet of St. Lawrence Belugas\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#website\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/\",\"name\":\"Baleines en direct\",\"description\":\"Tout savoir sur les baleines du Qu\u00e9bec\",\"publisher\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/baleinesendirect.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#organization\",\"name\":\"Baleines en direct\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2019\\\/07\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2019\\\/07\\\/logo.png\",\"width\":300,\"height\":88,\"caption\":\"Baleines en direct\"},\"image\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/baleinesendirect\",\"https:\\\/\\\/x.com\\\/BaleineMagazine\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/BaleinesEnDirect\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#\\\/schema\\\/person\\\/7e6b894497b244a6bd9afb04aef65934\",\"name\":\"Od\u00e9lie Brouillette\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g\",\"caption\":\"Od\u00e9lie Brouillette\"},\"description\":\"Od\u00e9lie Brouillette joined the GREMM team as a writer and naturalist in 2022, and has been a project manager in scientific communication since 2023. With a background in biology, she loves learning and sharing with others what's most important to her. She has always been fascinated by marine environments and whales, and hopes to contribute to their protection through awareness-raising and popularization.\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/author\\\/odbro\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Changes in the Diet of St. Lawrence Belugas - Baleines en direct","description":"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov","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:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/","og_locale":"en_US","og_type":"article","og_title":"Changes in the Diet of St. Lawrence Belugas - Baleines en direct","og_description":"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov","og_url":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/","og_site_name":"Baleines en direct","article_publisher":"https:\/\/www.facebook.com\/baleinesendirect","article_published_time":"2025-05-29T18:04:14+00:00","article_modified_time":"2025-06-03T18:55:58+00:00","og_image":[{"width":1927,"height":1280,"url":"http:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg","type":"image\/jpeg"}],"author":"Od\u00e9lie Brouillette","twitter_card":"summary_large_image","twitter_creator":"@BaleineMagazine","twitter_site":"@BaleineMagazine","twitter_misc":{"Written by":"Od\u00e9lie Brouillette","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#article","isPartOf":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/"},"author":{"name":"Od\u00e9lie Brouillette","@id":"https:\/\/baleinesendirect.org\/#\/schema\/person\/7e6b894497b244a6bd9afb04aef65934"},"headline":"Changes in the Diet of St. Lawrence Belugas","datePublished":"2025-05-29T18:04:14+00:00","dateModified":"2025-06-03T18:55:58+00:00","mainEntityOfPage":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/"},"wordCount":130,"publisher":{"@id":"https:\/\/baleinesendirect.org\/#organization"},"image":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#primaryimage"},"thumbnailUrl":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg","keywords":["B\u00e9luga","di\u00e8te","MPO","poissons"],"articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/","url":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/","name":"Changes in the Diet of St. Lawrence Belugas - Baleines en direct","isPartOf":{"@id":"https:\/\/baleinesendirect.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#primaryimage"},"image":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#primaryimage"},"thumbnailUrl":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg","datePublished":"2025-05-29T18:04:14+00:00","dateModified":"2025-06-03T18:55:58+00:00","description":"\u201cSmall fish such as capelin (Mallotus villosus) and sand launce (Ammodytes spp.) are the main food of Beluga of all ages,\u201d wrote biologist Vadim Vladykov","breadcrumb":{"@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#primaryimage","url":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg","contentUrl":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2025\/05\/BLV110928_1155.JPG_compressed.jpeg","width":1927,"height":1280},{"@type":"BreadcrumbList","@id":"https:\/\/baleinesendirect.org\/en\/des-changements-dans-la-diete-des-belugas-du-saint-laurent\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/baleinesendirect.org\/en\/"},{"@type":"ListItem","position":2,"name":"Changes in the Diet of St. Lawrence Belugas"}]},{"@type":"WebSite","@id":"https:\/\/baleinesendirect.org\/#website","url":"https:\/\/baleinesendirect.org\/","name":"Baleines en direct","description":"Tout savoir sur les baleines du Qu\u00e9bec","publisher":{"@id":"https:\/\/baleinesendirect.org\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/baleinesendirect.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/baleinesendirect.org\/#organization","name":"Baleines en direct","url":"https:\/\/baleinesendirect.org\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/baleinesendirect.org\/#\/schema\/logo\/image\/","url":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2019\/07\/logo.png","contentUrl":"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2019\/07\/logo.png","width":300,"height":88,"caption":"Baleines en direct"},"image":{"@id":"https:\/\/baleinesendirect.org\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/baleinesendirect","https:\/\/x.com\/BaleineMagazine","https:\/\/www.youtube.com\/user\/BaleinesEnDirect"]},{"@type":"Person","@id":"https:\/\/baleinesendirect.org\/#\/schema\/person\/7e6b894497b244a6bd9afb04aef65934","name":"Od\u00e9lie Brouillette","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/35aabef8ecc1ac1e0c0ef47eeeac739d1c0ab2eeacaf64f30662cc91491b3a52?s=96&d=mm&r=g","caption":"Od\u00e9lie Brouillette"},"description":"Od\u00e9lie Brouillette joined the GREMM team as a writer and naturalist in 2022, and has been a project manager in scientific communication since 2023. With a background in biology, she loves learning and sharing with others what's most important to her. She has always been fascinated by marine environments and whales, and hopes to contribute to their protection through awareness-raising and popularization.","url":"https:\/\/baleinesendirect.org\/en\/author\/odbro\/"}]}},"_links":{"self":[{"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/posts\/71422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/users\/12842"}],"replies":[{"embeddable":true,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/comments?post=71422"}],"version-history":[{"count":2,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/posts\/71422\/revisions"}],"predecessor-version":[{"id":71424,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/posts\/71422\/revisions\/71424"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/media\/71376"}],"wp:attachment":[{"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/media?parent=71422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/categories?post=71422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baleinesendirect.org\/en\/wp-json\/wp\/v2\/tags?post=71422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}