{"id":2217,"date":"2020-04-16T15:40:25","date_gmt":"2020-04-16T13:40:25","guid":{"rendered":"https:\/\/www.op-estuaires.fr\/?page_id=2217"},"modified":"2025-02-17T15:03:17","modified_gmt":"2025-02-17T14:03:17","slug":"hydrotamis-2","status":"publish","type":"page","link":"https:\/\/www.op-estuaires.fr\/de\/hydrotamis-2\/","title":{"rendered":"Fangnetz"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-av_section-ead7872a6199d9872a6fed09789ee080 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  avia-builder-el-no-sibling  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-2217'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-av_one_full-cab6cb91e42b24d4f503cdabdc5ed6e0 av_one_full  avia-builder-el-1  avia-builder-el-no-sibling  first flex_column_div'     ><section  class='av_textblock_section av-av_textblock-e922ac7a79e5b93445cc9340ffe5d92f'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><style type=\"text\/css\">@media only screen and (min-width: 1000px) and (max-width: 5000px){body.kc-css-system .kc-css-2536591{width: 9.07%;}body.kc-css-system .kc-css-3807624{width: 81.91%;}body.kc-css-system .kc-css-2737567{width: 9%;}}<\/style>\n<section class=\"kc-elm kc-css-429391 kc_row\">\n<div class=\"kc-row-container  kc-container\">\n<div class=\"kc-wrap-columns\">\n<div class=\"kc-elm kc-css-2628650 kc_col-sm-12 kc_column kc_col-sm-12\">\n<div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-4242465 kc_text_block\">\n<p>Infolge der schnellen und brutalen Entwicklung der <a href=\"https:\/\/www.op-estuaires.fr\/de\/reglementation\/\">Reglementierung<\/a> und der v\u00f6lligen Umgestaltung Glasaal-vertreibender M\u00e4rkte, waren die Erwerbsfischer gezwungen sich anzupassen, um ihre Quote bestm\u00f6glich zu verwerten, indem sie besonders auf die Qualit\u00e4t ihrer Glasaale setzen.<\/p>\n<p>Deshalb wurde, um die Fangqualit\u00e4t von Glasaalen in der Einheit<a href=\"https:\/\/www.op-estuaires.fr\/de\/op-estuaires\/implantation\/\">UGA LCV<\/a> zu verbessern,  in den Jahren 2013 \u2013 2015 eine Untersuchung der Fangvorrichtungen f\u00fcr Glasaale, der Siebnetze, durchgef\u00fchrt.<\/p>\n<p class=\"translation-block\">Dieses Gemeinschaftsprojekt verschiedener Komitees bzw. Akteure f\u00fcr Meeresbewirtschaftung (<a href=\"http:\/\/www.corepem.fr\/\" target=\"_self\"><abbr title=\"Comit\u00e9 R\u00e9gional des P\u00eaches maritimes et des \u00c9levages Marins des Pays de la Loire\" class=\"\">COREPEM<\/abbr><\/a>, <abbr title=\"Institut Fran\u00e7ais de Recherche pour l'Exploitation de la Mer\" class=\"\">IFREMER<\/abbr>, <abbr title=\"Syndicat Mixte pour le D\u00e9veloppement de l' Aquaculture et de la P\u00eache des Pays de Loire\" class=\"\">SMIDAP<\/abbr> und <abbr title=\"Association Des P\u00eacheurs Professionnels Maritimes et Fluviaux Eau Douce De Loire Atlantique\">AADPPMFEDLA<\/abbr> ) bestand aus drei Hauptstufen:<\/p>\n<section class=\"kc-elm kc-css-914253 kc_row\">\n<div class=\"kc-row-container kc-container\">\n<div class=\"kc-wrap-columns\">\n<div class=\"kc-elm kc-css-758972 kc_col-sm-12 kc_column kc_col-sm-12\">\n<div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-2829865 kc_text_block\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Erfassen des Ausgangszustands der Fangqualit\u00e4t<\/li>\n<li>Identifizierung der Gr\u00fcnde von Verletzungen<\/li>\n<li>Verbesserungsvorschl\u00e4ge hinsichtlich der Aalfang-Netze<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"kc-elm kc-css-3423479\" style=\"height: 20px; clear: both; width: 100%;\"><\/div>\n<div class=\"kc-elm kc-css-1356987 kc_text_block\">\n<p class=\"MsoNormal\" style=\"text-align: justify;\"><span style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: black; mso-color-alt: windowtext; background: white;\">Verschiedene Tests in M\u00fcndungsbereichen und Wasserbecken mit ca. 6000 analysierten Glasaalen wurden durchgef\u00fchrt, um die Ursachen der Fangsch\u00e4den an den Tieren festzustellen: 77% der untersuchten Individuen wiesen Besch\u00e4digungen im Schwanzbereich auf. <\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\"><span style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: black; mso-color-alt: windowtext; background: white;\">Diese Ergebnisse und die von Fachleuten gewonnenen Kenntnisse f\u00fchrten zur Ausarbeitung dreier Netz-Prototypen mit vom Standartnetz abweichender Maschenform und Gr\u00f6\u00dfen. Sie wurden durch Erwerbsfischer in der Saison 2014\/2015 bei Normaleins\u00e4tzen mit drei Booten  \u00fcber 13 Fangausfahrten auf der Loire getestet, dem Fluss mit dem gr\u00f6\u00dften Potential f\u00fcr Qualit\u00e4tsverbesserung f\u00fcr die<\/span><a href=\"https:\/\/www.op-estuaires.fr\/de\/op-estuaires\/implantation\/\"><span style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: #4472c4; mso-themecolor: accent1; background: white;\">UGA LCV<\/span><\/a><span style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: black; mso-color-alt: windowtext; background: white;\">. Einer der Prototypen wies eine um 25% h\u00f6here Durchschnittsqualit\u00e4t auf  im Vergleich zum Standartnetz.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/www.op-estuaires.fr\/wp-content\/uploads\/2020\/04\/HYDROTAMIS2.png\" alt=\"\" width=\"1009\" height=\"274\" \/><\/p>\n<p><em>Links: das 2014 in der Loire meistgebr\u00e4uchliche Standartnetz. Rechts: der die beste Fangqualit\u00e4t bei Glasaalen aufweisende Prototyp mit unterteilter Kammer aus  Maschengr\u00f6sse 1300\u00b5m mit Boden aus Maschengr\u00f6sse 900\u00b5m<\/em><\/div>\n<div class=\"kc-elm kc-css-2335121\" style=\"height: 20px; clear: both; width: 100%;\"><\/div>\n<div class=\"kc-elm kc-css-1532894 kc_text_block\">\n<p>Infolge dieser Untersuchung wurde die Reglementierung f\u00fcr Fangvorrichtungen den Dimensionen des neuen Prototyps mit Namen \u201eHydrotamis\u201c (\u201eWassersieb\u201c) angepasst.<\/p>\n<p>J\u00e4hrlich statten sich weitere Berufsfischer der Loire mit f\u00fcr ihren Bedarf angepassten Varianten des Prototyps aus, deren Reservekammer die gleichen Merkmale wie das \u201eHydrotamis\u201c aufweist. Alle Fischer stellen eine bessere Qualit\u00e4t der Glasaale fest, vorausgesetzt, eine begrenzte Geschwindigkeit und reduzierte Fangdauer werden beachtet.<\/p>\n<p>Dank dieser Vorrichtung und einer \u00fcberlegten Befischung haben die Erwerbsfischer Anspruch auf die <a href=\"https:\/\/www.op-estuaires.fr\/de\/la-certification-seg\/\">Zertifizierung<\/a> ihrer Produktion.<\/p>\n<p style=\"text-align: center;\">\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"kc-elm kc-css-2746257 kc_row\">\n<div class=\"kc-row-container  kc-container\">\n<div class=\"kc-wrap-columns\">\n<div class=\"kc-elm kc-css-2536591 kc_col-sm-1 kc_column kc_col-sm-1\">\n<div class=\"kc-col-container\"><\/div>\n<\/div>\n<div class=\"kc-elm kc-css-3807624 kc_col-sm-10 kc_column kc_col-sm-10\">\n<div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-2134744 kc_shortcode kc_single_image\">\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/www.op-estuaires.fr\/wp-content\/uploads\/2020\/04\/20141125_151320-1024x576.jpg\" alt=\"\" \/><\/div>\n<div class=\"kc-elm kc-css-1381563 kc_text_block\">\n<p style=\"text-align: center;\"><em>Fangnetz-Prototyp (Hydrotamis) beim Test im Wasserbecken<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"kc-elm kc-css-2737567 kc_col-sm-1 kc_column kc_col-sm-1\">\n<div class=\"kc-col-container\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2217","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hydrotamis<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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