{"id":34708,"date":"2021-09-10T13:54:18","date_gmt":"2021-09-10T11:54:18","guid":{"rendered":"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/"},"modified":"2024-10-24T10:28:38","modified_gmt":"2024-10-24T08:28:38","slug":"levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/","title":{"rendered":"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune"},"content":{"rendered":"<p>Depuis 1990, les populations des oiseaux nicheurs les plus r\u00e9pandus en Wallonie (81\u202fesp\u00e8ces) sont suivies annuellement par \u00e9chantillonnage standardis\u00e9. Plusieurs dizaines d\u2019observateurs volontaires prennent en charge une ou plusieurs cha\u00eenes de quinze relev\u00e9s ornithologiques en point fixe de 5\u202fminutes, qu\u2019ils r\u00e9p\u00e8tent dans les m\u00eames conditions chaque ann\u00e9e. \u00c0 partir de ces donn\u00e9es, un indice d\u2019abondance annuel est calcul\u00e9 pour chaque esp\u00e8ce et les tendances des effectifs sont estim\u00e9es. Une majorit\u00e9 d\u2019esp\u00e8ces communes sont en d\u00e9clin ces 28 derni\u00e8res ann\u00e9es en Wallonie, les populations de seulement 26\u202f% d\u2019entre elles augmentent. En moyenne, les effectifs toutes esp\u00e8ces confondues d\u00e9croissent de 1\u202f% par an depuis 28\u202fans et cette diminution s\u2019acc\u00e9l\u00e8re depuis 10\u202fans. Les oiseaux li\u00e9s aux milieux agricoles sont particuli\u00e8rement touch\u00e9s par les diminutions, en particulier les esp\u00e8ces nichant au sol. En moyenne, les effectifs diminuent plus rapidement pour les oiseaux migrateurs transsahariens que pour les s\u00e9dentaires ou les migrateurs \u00e0 courte distance. Les modifications des pratiques et globalement l\u2019intensification de l\u2019agriculture semblent principalement responsables de la d\u00e9gradation des populations d\u2019oiseaux dans les campagnes, m\u00eame si d\u2019autres facteurs d\u2019\u00e9volution (\u00e9volution de la for\u00eat, haute densit\u00e9 d\u2019ongul\u00e9s, changements climatiques) sont \u00e9galement \u00e0 consid\u00e9rer.<\/p>","protected":false},"excerpt":{"rendered":"<p>Depuis 1990, les populations des oiseaux nicheurs les plus r\u00e9pandus en Wallonie (81\u202fesp\u00e8ces) sont suivies annuellement par \u00e9chantillonnage standardis\u00e9. Plusieurs dizaines d\u2019observateurs volontaires prennent en charge une ou plusieurs cha\u00eenes de quinze relev\u00e9s ornithologiques en point fixe de 5\u202fminutes, qu\u2019ils r\u00e9p\u00e8tent dans les m\u00eames conditions chaque ann\u00e9e. \u00c0 partir de ces donn\u00e9es, un indice d\u2019abondance [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune - For\u00eat.Nature<\/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:\/\/foretnature.be\/en\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Depuis 1990, les populations des oiseaux nicheurs les plus r\u00e9pandus en Wallonie (81\u202fesp\u00e8ces) sont suivies annuellement par \u00e9chantillonnage standardis\u00e9. Plusieurs dizaines d\u2019observateurs volontaires prennent en charge une ou plusieurs cha\u00eenes de quinze relev\u00e9s ornithologiques en point fixe de 5\u202fminutes, qu\u2019ils r\u00e9p\u00e8tent dans les m\u00eames conditions chaque ann\u00e9e. \u00c0 partir de ces donn\u00e9es, un indice d\u2019abondance [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-24T08:28:38+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/\",\"url\":\"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/\",\"name\":\"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune - For\u00eat.Nature\",\"isPartOf\":{\"@id\":\"https:\/\/foretnature.be\/en\/#website\"},\"datePublished\":\"2021-09-10T11:54:18+00:00\",\"dateModified\":\"2024-10-24T08:28:38+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/foretnature.be\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/foretnature.be\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/foretnature.be\/en\/#website\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"name\":\"For\u00eat.Nature\",\"description\":\"Une \u00e9quipe technique au service de la for\u00eat\",\"publisher\":{\"@id\":\"https:\/\/foretnature.be\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/foretnature.be\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/foretnature.be\/en\/#organization\",\"name\":\"For\u00eat.Nature\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"width\":300,\"height\":151,\"caption\":\"For\u00eat.Nature\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune - For\u00eat.Nature","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:\/\/foretnature.be\/en\/article-foret-nature\/levolution-preoccupante-des-populations-doiseaux-nicheurs-en-wallonie-28-ans-de-surveillance-de-lavifaune-commune\/","og_locale":"en_GB","og_type":"article","og_title":"L\u2019\u00e9volution pr\u00e9occupante des populations d\u2019oiseaux nicheurs en Wallonie : 28 ans de surveillance de l\u2019avifaune commune - For\u00eat.Nature","og_description":"Depuis 1990, les populations des oiseaux nicheurs les plus r\u00e9pandus en Wallonie (81\u202fesp\u00e8ces) sont suivies annuellement par \u00e9chantillonnage standardis\u00e9. 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