{"id":11,"date":"2026-03-17T11:52:48","date_gmt":"2026-03-17T10:52:48","guid":{"rendered":"https:\/\/cesapt.calypsoclub.be\/?page_id=11"},"modified":"2026-03-23T14:20:52","modified_gmt":"2026-03-23T13:20:52","slug":"interactions-comportementales","status":"publish","type":"page","link":"https:\/\/calypsoclub.be\/","title":{"rendered":"Interactions comportementales"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong><em>R\u00e9sultats pr\u00e9liminaires de l\u2019\u00e9tude sur les interactions comportementales entre plongeurs et poissons d\u2019eau douce : vers une communication intersp\u00e9cifique codifi\u00e9e<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">R\u00e9sum\u00e9<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les observations r\u00e9alis\u00e9es dans les Espaces Aquatiques Ouverts Belges et Europ\u00e9en sugg\u00e8rent que certaines esp\u00e8ces de poissons r\u00e9agissent de mani\u00e8re r\u00e9p\u00e9titive \u00e0 certains gestes visuels effectu\u00e9s par les plongeurs. Cette \u00e9tude r\u00e9alis\u00e9e dans un cadre Europ\u00e9en explore la possibilit\u00e9 d\u2019une <strong>communication gestuelle intersp\u00e9cifique<\/strong> rudimentaire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>Introduction<\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depuis plus de vingt ans, des plongeurs rapportent que certains de leurs gestes g\u00e9n\u00e8rent des comportements soit d\u2019approche, soit d\u2019\u00e9vitement ou m\u00eame de curiosit\u00e9 chez les poissons d\u2019eau douce. Le CESAPT dans le cadre d\u2019un projet au niveau Europ\u00e9en a particip\u00e9 \u00e0 une \u00e9tude syst\u00e9matique visant \u00e0 d\u00e9terminer si ces r\u00e9actions peuvent \u00eatre standardis\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>M\u00e9thodologie<\/u><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>238 plong\u00e9es<\/strong> r\u00e9alis\u00e9es entre juin 2025 et f\u00e9vrier 2026<\/li>\n\n\n\n<li>Sites visit\u00e9s : La Gombe, le lac de la Plate Taille, Vodel\u00e9e, Rochefontaine, le bassin exp\u00e9rimental CESAPT<\/li>\n\n\n\n<li><strong>12 gestes codifi\u00e9s<\/strong><\/li>\n\n\n\n<li><strong>4 esp\u00e8ces cibles<\/strong><\/li>\n\n\n\n<li>Analyse image\u2011par\u2011image via logiciel interne <em>AquaSignal 3.2<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>R\u00e9sultats<\/u><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u00e9ponses comportementales observ\u00e9es<\/strong>\n<ul class=\"wp-block-list\">\n<li>Approche : 68 % des carpes<\/li>\n\n\n\n<li>\u00c9vitement : 82 % des perches<\/li>\n\n\n\n<li>Immobilisation : brochets juv\u00e9niles (1,8 s)<\/li>\n\n\n\n<li>Curiosit\u00e9 : toutes esp\u00e8ces<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><strong>Taux de r\u00e9ponse par geste<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"321\" height=\"244\" src=\"https:\/\/calypsoclub.be\/wp-content\/uploads\/2026\/03\/image-3.png\" alt=\"\" class=\"wp-image-16\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Distance optimale d\u2019interaction<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"312\" height=\"185\" src=\"https:\/\/calypsoclub.be\/wp-content\/uploads\/2026\/03\/image-2.png\" alt=\"\" class=\"wp-image-15\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Les analyses montrent une r\u00e9ponse maximale des poissons \u00e0 une distance d\u2019environ 1,5 m. \u00c0 cette distance, les signaux gestuels sont suffisamment visibles sans provoquer de r\u00e9action d\u2019\u00e9vitement. Au-del\u00e0 de 3 m, la diminution de la r\u00e9ponse est attribu\u00e9e \u00e0 la dispersion visuelle du stimulus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong><u>N\u00b0<\/u><\/strong><\/td><td><strong><u>Nom du geste<\/u><\/strong><\/td><td><strong><u>Description pr\u00e9cise<\/u><\/strong><\/td><td><strong><u>R\u00e9action observ\u00e9e (tendance)<\/u><\/strong><\/td><\/tr><\/thead><tbody><tr><td>1<\/td><td>Main ouverte horizontale<\/td><td>Main \u00e0 plat, paume vers le poisson, mouvement lent de gauche \u00e0 droite<\/td><td>Approche progressive (carpes)<\/td><\/tr><tr><td>2<\/td><td>Oscillation verticale<\/td><td>Main ouverte, paume vers le bas, mont\u00e9e\/descente lente<\/td><td>Immobilisation br\u00e8ve (brochets juv\u00e9niles)<\/td><\/tr><tr><td>3<\/td><td>Rotation de lampe<\/td><td>Mouvement circulaire rapide du faisceau<\/td><td>\u00c9vitement imm\u00e9diat (perches)<\/td><\/tr><tr><td>4<\/td><td>Doigt circulaire<\/td><td>Index tendu, rotation lente en cercle<\/td><td>Curiosit\u00e9 accrue (toutes esp\u00e8ces)<\/td><\/tr><tr><td>5<\/td><td>Double tapotement sur le bloc<\/td><td>Deux petits coups audibles sous l\u2019eau<\/td><td>Approche prudente (carpes)<\/td><\/tr><tr><td>6<\/td><td>Main en \u201cV\u201d<\/td><td>Deux doigts \u00e9cart\u00e9s, geste d\u2019ouverture<\/td><td>Observation stationnaire (perches)<\/td><\/tr><tr><td>7<\/td><td>Palmage minimal<\/td><td>Immobilit\u00e9 totale + petit mouvement de palme<\/td><td>Rapprochement exploratoire<\/td><\/tr><tr><td>8<\/td><td>Geste d\u2019\u00e9ventail<\/td><td>Main ouverte, oscillation rapide lat\u00e9rale<\/td><td>\u00c9vitement mod\u00e9r\u00e9<\/td><\/tr><tr><td>9<\/td><td>Lampe point\u00e9e au sol<\/td><td>Faisceau dirig\u00e9 vers le substrat, mouvement lent<\/td><td>Approche indirecte (carpes fouisseuses)<\/td><\/tr><tr><td>10<\/td><td>Main en d\u00f4me<\/td><td>Paume vers le bas, forme arrondie, mouvement d\u2019abaissement<\/td><td>Immobilisation + l\u00e9g\u00e8re descente du poisson<\/td><\/tr><tr><td>11<\/td><td>Index tendu vers le poisson<\/td><td>Geste direct, stable, sans mouvement<\/td><td>Approche h\u00e9sitante (perches)<\/td><\/tr><tr><td>12<\/td><td>Rotation du poignet<\/td><td>Main ouverte, rotation lente du poignet<\/td><td>Comportement exploratoire (toutes esp\u00e8ces)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>Discussion<\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les poissons semblent capables d\u2019interpr\u00e9ter certains signaux visuels simples. Ces r\u00e9sultats ouvrent la voie \u00e0 une standardisation des gestes de communication subaquatique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>Conclusion<\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le CESAPT appelle \u00e0 une participation destin\u00e9e aux plongeurs volontaires afin d\u2019\u00e9largir la base de donn\u00e9es comportementale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>Vous d\u00e9sirez participer ?<\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous \u00eates int\u00e9ress\u00e9s \u00e0 participer \u00e0 notre \u00e9tude ? <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trouvez tous les d\u00e9tails <a href=\"https:\/\/calypsoclub.be\/index.php\/interaction-poissons-la-communication-gestuelle\/\" target=\"_blank\" rel=\"Interaction\"><strong>ici<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sultats pr\u00e9liminaires de l\u2019\u00e9tude sur les interactions comportementales entre plongeurs  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_crdt_document":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"class_list":["post-11","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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