{"id":36368,"date":"2022-06-09T12:32:00","date_gmt":"2022-06-09T12:32:00","guid":{"rendered":"https:\/\/aprh.zalox.pt\/sem-categoria\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/"},"modified":"2022-06-09T12:32:00","modified_gmt":"2022-06-09T12:32:00","slug":"constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion","status":"publish","type":"post","link":"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/","title":{"rendered":"Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion"},"content":{"rendered":"<h6>T\u00edtulo:<\/h6>\n<p>Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion<\/p>\n<h6>Resumo:<\/h6>\n<p>La pr\u00e9cipitation de calcite \u00e0 la surface des films cyanobact\u00e9riens benthiques est \u00e0 l\u2019origine du colmatage des fonds de nombreuses rivi\u00e8res calcaires dans le nord ouest de la France. L\u2019intensit\u00e9 du ph\u00e9nom\u00e8ne d\u00e9pend essentiellement de la composition du film et de l\u2019hospitalit\u00e9 du milieu pour la microflore incrustante. Les \u00e9tudes men\u00e9es depuis 10 ans ont permis d\u2019identifier les seuils d\u2019apparition et de d\u00e9veloppement optimal de la microflore incrustante (conditions trophiques, temp\u00e9rature, \u00e9clairement, granulom\u00e9trie des fonds, profondeur et vitesse du courant). Un grille d\u2019\u00e9valuation de l\u2019intensit\u00e9 du concr\u00e9tionnement int\u00e9grant les param\u00e8tres d\u00e9terminants a \u00e9t\u00e9 valid\u00e9e par des mesures in situ. Elle permet de conna\u00eetre d\u00e8s le printemps et avec une incertitude raisonnable, le taux de pr\u00e9cipitation pr\u00e9visible par site et par an. Elle est aussi un outil d\u2019aide \u00e0 la gestion qui permet d\u2019\u00e9valuer les cons\u00e9quences sur le milieu des travaux d\u2019entretien couramment pratiqu\u00e9s dans les cours d\u2019eau affect\u00e9s par le ph\u00e9nom\u00e8ne.<\/p>\n<h6>Autores:<\/h6>\n<p> Frederic Pitois,  Alain Jigorel,  Paul Ferlin<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00edtulo: Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion Resumo: La pr\u00e9cipitation de calcite \u00e0 la surface des films cyanobact\u00e9riens benthiques est \u00e0 l\u2019origine du colmatage des fonds de nombreuses rivi\u00e8res calcaires dans le nord ouest de la France. L\u2019intensit\u00e9 du ph\u00e9nom\u00e8ne d\u00e9pend essentiellement de la composition du film et de l\u2019hospitalit\u00e9 du [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[163],"tags":[],"class_list":["post-36368","post","type-post","status-publish","format-standard","hentry","category-artigos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion - APRH<\/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:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion - APRH\" \/>\n<meta property=\"og:description\" content=\"T\u00edtulo: Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion Resumo: La pr\u00e9cipitation de calcite \u00e0 la surface des films cyanobact\u00e9riens benthiques est \u00e0 l\u2019origine du colmatage des fonds de nombreuses rivi\u00e8res calcaires dans le nord ouest de la France. L\u2019intensit\u00e9 du ph\u00e9nom\u00e8ne d\u00e9pend essentiellement de la composition du film et de l\u2019hospitalit\u00e9 du [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\" \/>\n<meta property=\"og:site_name\" content=\"APRH\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-09T12:32:00+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/aprh.pt\/pt\/#\/schema\/person\/48b266141210923df72b6ffbb5cdcbaa\"},\"headline\":\"Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion\",\"datePublished\":\"2022-06-09T12:32:00+00:00\",\"dateModified\":\"2022-06-09T12:32:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\"},\"wordCount\":218,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/aprh.pt\/pt\/#organization\"},\"articleSection\":[\"Artigos\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\",\"url\":\"https:\/\/aprh.pt\/pt\/publicacoes\/artigos\/constructions-cyanobacteriennes-calcaires-dans-les-rivieres-de-haute-normandieperspectives-de-gestion\/\",\"name\":\"Constructions cyanobact\u00e9riennes calcaires dans les rivi\u00e8res de Haute-Normandie:perspectives de gestion - 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