{"id":5140,"date":"2026-01-16T22:09:34","date_gmt":"2026-01-16T22:09:34","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=5140"},"modified":"2026-01-16T22:15:38","modified_gmt":"2026-01-16T22:15:38","slug":"peche-alose-lamproie-loire-atlantique-2026","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/peche-alose-lamproie-loire-atlantique-2026\/","title":{"rendered":"Loire-Atlantique : une saison de p\u00eache raccourcie pour l\u2019alose et la lamproie"},"content":{"rendered":"\n<article id=\"imn-peche-alose-lamproie-loire-2026\" style=\"font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;max-width:1100px;margin:auto;padding:24px;background:#fff;\">\n\n\n  <section>\n    <p>\n      En Loire-Atlantique, la p\u00eache professionnelle en eau douce ciblant l\u2019alose et la lamproie s\u2019inscrit d\u00e9sormais dans une p\u00e9riode plus resserr\u00e9e.\n      L\u2019objectif affich\u00e9 est de limiter la pression sur des poissons migrateurs dont les effectifs restent jug\u00e9s fragiles \u00e0 l\u2019\u00e9chelle du bassin de la Loire.\n      Concr\u00e8tement, la campagne autoris\u00e9e sur ces esp\u00e8ces est born\u00e9e entre la mi-janvier et la fin mars, ce qui r\u00e9duit nettement la dur\u00e9e habituelle d\u2019activit\u00e9.\n    <\/p>\n\n    <p>\n      Pour les professionnels concern\u00e9s, l\u2019enjeu est double. D\u2019un c\u00f4t\u00e9, il s\u2019agit de participer \u00e0 un effort collectif de pr\u00e9servation, coh\u00e9rent avec les suivis et les constats\n      port\u00e9s par les instances de gestion des migrateurs. De l\u2019autre, cette r\u00e9duction change la donne \u00e9conomique, car elle concentre une partie du chiffre d\u2019affaires annuel\n      sur un laps de temps plus court, avec moins de jours disponibles pour exploiter les filets et les nasses sur les secteurs autoris\u00e9s.\n    <\/p>\n  <\/section>\n\n  <section>\n    <h2>Un encadrement d\u00e9cid\u00e9 \u00e0 l\u2019\u00e9chelle du bassin, avec de la visibilit\u00e9 sur plusieurs ann\u00e9es<\/h2>\n\n    <p>\n      Les r\u00e8gles applicables s\u2019inscrivent dans la logique du COGEPOMI (Comit\u00e9 de gestion des poissons migrateurs), l\u2019instance de concertation qui fixe, avec l\u2019\u00c9tat,\n      le cadre de gestion sur le bassin Loire-Bretagne. Ces d\u00e9cisions visent \u00e0 trouver un \u00e9quilibre entre l\u2019\u00e9tat des populations, les p\u00e9riodes de migration et de reproduction,\n      et le maintien d\u2019une activit\u00e9 professionnelle sur le fleuve.\n    <\/p>\n\n    <p>\n      Sur le terrain, cette orientation se traduit par un calendrier de p\u00eache plus strict pour l\u2019alose et la lamproie, et par des r\u00e8gles techniques compl\u00e9mentaires\n      destin\u00e9es \u00e0 r\u00e9duire les captures accidentelles sur d\u2019autres p\u00e9riodes sensibles. Les professionnels expliquent aussi devoir r\u00e9orienter une partie de leur effort\n      vers d\u2019autres esp\u00e8ces, afin d\u2019amortir l\u2019effet imm\u00e9diat de la r\u00e9duction de saison.\n    <\/p>\n  <\/section>\n\n  <section>\n    <h2>Pourquoi ces esp\u00e8ces sont suivies de pr\u00e8s<\/h2>\n\n    <p>\n      Aloses et lamproies sont des migrateurs amphihalins : ils alternent entre milieu marin et eau douce, et d\u00e9pendent de conditions de migration favorables pour remonter le fleuve.\n      Plusieurs pressions sont r\u00e9guli\u00e8rement mises en avant dans la gestion du bassin : continuit\u00e9 \u00e9cologique et obstacles \u00e0 franchir, d\u00e9gradation ou perte d\u2019habitats,\n      r\u00e9chauffement et \u00e9tiages plus marqu\u00e9s, mais aussi pr\u00e9dation accrue sur certains secteurs. Les tableaux de bord migrateurs documentent ces enjeux et alimentent\n      les d\u00e9cisions de gestion prises \u00e0 l\u2019\u00e9chelle r\u00e9gionale.\n    <\/p>\n\n    <p>\n      \u00c0 court terme, la r\u00e9duction de la p\u00e9riode de p\u00eache repr\u00e9sente un effort tangible pour une partie des entreprises concern\u00e9es en Loire-Atlantique et jusqu\u2019au Maine-et-Loire.\n      \u00c0 moyen terme, les professionnels retiennent aussi un \u00e9l\u00e9ment important : la stabilit\u00e9 des r\u00e8gles sur plusieurs ann\u00e9es, qui leur permet d\u2019anticiper l\u2019organisation de leur saison.\n    <\/p>\n  <\/section>\n\n  <!-- =========================================================\n       MINI-JEU OFFICIEL IMN : MEMORY 6x6 (36 cartes \/ 18 paires)\n       Centrage strict mobile portrait + paysage, coups + temps, rejouer, tracking\n  ========================================================= -->\n\n  <section id=\"imn-mem-peche6x6-widget\" style=\"margin-top:28px;\">\n    <h2>Mini-jeu IMN : Memory sp\u00e9cial p\u00eache en Loire<\/h2>\n    <p>\n      Retrouve toutes les paires li\u00e9es au fleuve et \u00e0 la p\u00eache professionnelle.\n      Objectif : compl\u00e9ter les 18 paires avec le moins de coups possible et le meilleur temps.\n    <\/p>\n\n    <div style=\"margin:0 0 10px 0;text-align:center;\">\n      <strong>Coups :<\/strong> <span id=\"imn-mem-peche-moves\">0<\/span> \u00b7\n      <strong>Temps :<\/strong> <span id=\"imn-mem-peche-timer\">0<\/span> s\n    <\/div>\n\n    <!-- centrage strict mobile (horizontal + vertical) sans d\u00e9bordement -->\n    <div class=\"imn-mem-peche-stage\" aria-label=\"Zone de jeu Memory IMN\">\n      <div class=\"imn-mem-peche-center\">\n        <div id=\"imn-mem-peche-grid\" class=\"imn-mem-peche-grid\" aria-label=\"Grille Memory 6x6\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div id=\"imn-mem-peche-end\" style=\"display:none;margin-top:12px;text-align:center;font-weight:bold;\"><\/div>\n\n    <div style=\"display:flex;justify-content:center;\">\n      <button id=\"imn-mem-peche-restart\" class=\"imn-btn\" style=\"margin-top:12px;\">Rejouer<\/button>\n    <\/div>\n\n    <script>\n    (function(){\n      function imnTrackSafe(name, data){\n        try{\n          if(typeof window.imnTrack === \"function\"){ window.imnTrack(name, data || {}); 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}\n    <\/style>\n  <\/section>\n\n  <footer>\n    <p><strong>Sources :<\/strong><\/p>\n    <ul>\n      <li><a href=\"https:\/\/www.loire-atlantique.gouv.fr\/index.php\/Actions-de-l-Etat\/Environnement\/Participation-du-public-aux-decisions-ayant-une-incidence-sur-l-environnement\/Consultations-en-cours\/Projet-d-arrete-reglementant-la-peche-en-eau-douce-pour-2026-dans-le-departement-de-Loire-Atlantique\">Pr\u00e9fecture de Loire-Atlantique, projet et documents li\u00e9s \u00e0 l\u2019arr\u00eat\u00e9 de p\u00eache 2026<\/a><\/li>\n      <li><a href=\"https:\/\/www.prefectures-regions.gouv.fr\/pays-de-la-loire\/DOCUMENTS-PUBLICATIONS\/Articles\/De-nouvelles-mesures-pour-la-preservation-des-poissons-migrateurs-amphihalins2\">Pr\u00e9fecture de r\u00e9gion Pays de la Loire, mesures de pr\u00e9servation des poissons migrateurs amphihalins<\/a><\/li>\n      <li><a href=\"https:\/\/www.migrateurs-loire.fr\/quantification-de-la-predation-par-le-silure\/\">Tableaux de bord Migrateurs Loire, \u00e9l\u00e9ments sur la pr\u00e9dation du silure sur la lamproie<\/a><\/li>\n      <li><a href=\"https:\/\/aides-redevances.eau-loire-bretagne.fr\/files\/live\/sites\/aides-redevances\/files\/Information%20-%20Communication\/Publications\/12-prog-AAP\/AAP_Migrateurs-Annexe_1_PLAGEPOMI_LCVSN_2022-2027.pdf\">Agence de l\u2019eau Loire-Bretagne, PLAGEPOMI Loire, C\u00f4tiers Vend\u00e9e-S\u00e8vre-Niortaise 2022-2027<\/a><\/li>\n    <\/ul>\n  <\/footer>\n\n<\/article>\n\n","protected":false},"excerpt":{"rendered":"<p>En Loire-Atlantique, la p\u00eache professionnelle en eau douce ciblant l\u2019alose et la lamproie s\u2019inscrit d\u00e9sormais dans une p\u00e9riode plus resserr\u00e9e. L\u2019objectif affich\u00e9 est de limiter la pression sur des poissons migrateurs dont les effectifs restent jug\u00e9s fragiles \u00e0 l\u2019\u00e9chelle du bassin de la Loire. Concr\u00e8tement, la campagne autoris\u00e9e sur ces esp\u00e8ces est born\u00e9e entre la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[22],"tags":[3592,3594,3593,258,3595,3591,3596],"class_list":["post-5140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-nantes","tag-alose","tag-especes-migratrices","tag-lamproie","tag-loire-atlantique-2","tag-peche-en-loire","tag-peche-professionnelle","tag-reglementation-peche"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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