{"id":24930,"date":"2023-01-02T10:00:50","date_gmt":"2023-01-02T09:00:50","guid":{"rendered":"https:\/\/caviar-de-neuvic.com\/parlons-caviar\/?post_type=universducaviar&#038;p=6377"},"modified":"2025-10-18T12:19:14","modified_gmt":"2025-10-18T10:19:14","slug":"la-disparition-des-esturgeons","status":"publish","type":"universducaviar","link":"https:\/\/caviar-de-neuvic.com\/es_es\/universducaviar\/la-disparition-des-esturgeons\/","title":{"rendered":"La disparition des esturgeons"},"content":{"rendered":"<p style=\"font-weight: 400;\">La disparition des esturgeons. Les <a href=\"https:\/\/caviar-de-neuvic.com\/es_es\/parlons-caviar\/universducaviar\/pourquoi-lesturgeon-est-il-un-poisson-fascinant\/\" target=\"_blank\" rel=\"noopener\">esturgeons<\/a> sont apparus sur terre il y a plusieurs dizaines de millions d\u2019ann\u00e9es, et ils ont peupl\u00e9 toutes les grandes rivi\u00e8res de l\u2019h\u00e9misph\u00e8re Nord.<\/p>\n<p style=\"font-weight: 400;\">Au cours du XX\u00e8me si\u00e8cle, ils ont \u00e9t\u00e9 pratiquement ray\u00e9s de la carte. Les esturgeons sont actuellement \u00ab plus gravement menac\u00e9s que n\u2019importe quel autre groupe d\u2019esp\u00e8ces \u00bb (<a href=\"https:\/\/www.iucn.org\/fr\" target=\"_blank\" rel=\"noopener\">UICN<\/a>).<\/p>\n<p style=\"font-weight: 400;\">Faisons un point sur la situation de l\u2019esturgeon \u00e0 fin 2022.<\/p>\n\t\t<style>\n\t\t\t.blog_sticker{\n\t\t\t\tmargin-top: 50px !important;\n\t\t\t\tdisplay: flex;\n  \t\t\t\tjustify-content: center;\n\t\t\t\tflex-wrap: wrap;\n\t\t\t}\n\t\t\t.blog_sticker .product-miniature-list.row .span_1_of_3{\n\t\t\t\twidth: 100%!important;\n\t\t\t\tflex: 0 0 100%!important;\n\t\t\t\tmax-width: 400px!important;\n\t\t\t}\n\t\t\t.blog_sticker_right{\n\t\t\t\tmax-width: 400px;\n\t\t\t}\n\t\t\t.product-miniature-list.row {\n\t\t\t\tdisplay: flex;\n\t\t\t\tjustify-content: center;\n\t\t\t\tflex-wrap: wrap;\n\t\t\t}\n\t\t<\/style>\n\t\t<div class=\"blog_sticker d-flex flex-wrap\">\n\t\t\t<div class=\"blog_sticker_left col-sm-12 col-md-6 products-grid\">\n\t\t\t\t<div class=\"product-miniature-list row\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"blog_sticker_right col-sm-12 col-md-6\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\n<h3>Pourquoi l&rsquo;esturgeon est-il en danger ?<\/h3>\n<h4>La surp\u00eache de l&rsquo;esturgeon<\/h4>\n<p style=\"font-weight: 400;\">Le premier facteur g\u00e9n\u00e9ralement avanc\u00e9 est la surp\u00eache.<\/p>\n<p style=\"font-weight: 400;\">Le long cycle de vie l\u2019esturgeon, et sa zone de capture dans les embouchures au moment de la reproduction, ont rapidement r\u00e9duit la population d\u2019esturgeons. Ce n\u2019\u00e9tait d\u2019ailleurs pas toujours pour le caviar. En France on a longtemps p\u00each\u00e9 l\u2019esturgeon pour sa chair\u00a0; mais la p\u00eache s\u2019est acc\u00e9l\u00e9r\u00e9e quand le caviar est devenu \u00ab\u00a0populaire\u00a0\u00bb \u00e0 partir des ann\u00e9es 1920-1930, dans le monde entier.<\/p>\n<p style=\"font-weight: 400;\">Les n\u00e9gociants \u00e0 la recherche de l\u2019or noir ont cr\u00e9\u00e9 des fili\u00e8res de p\u00eache soutenues par des \u00e9tats corrompus.<\/p>\n<p style=\"font-weight: 400;\"><em>\u00ab\u00a0La r\u00e9colte et le commerce ill\u00e9gal de produits \u00e0 base d\u2019esturgeons s\u2019av\u00e8rent \u00eatre un commerce lucratif, contr\u00f4l\u00e9 par les crimes organis\u00e9s, et en lien avec la corruption mondiale.\u00a0\u00bb<\/em> (<a href=\"https:\/\/www.wwf.fr\/especes-prioritaires\/esturgeons\" target=\"_blank\" rel=\"noopener\">WWF \u2013 l\u2019esturgeon<\/a>)<\/p>\n<h4>L\u2019\u00e9volution de l\u2019habitat de l\u2019esturgeon<\/h4>\n<p style=\"font-weight: 400;\">L\u2019\u00e9volution de l\u2019habitat de l\u2019esturgeon est \u00e9galement un facteur \u00e0 prendre en compte. Le dernier si\u00e8cle a \u00e9t\u00e9 riche en \u00e9volutions. Pollution des rivi\u00e8res, barrages hydro\u00e9lectriques emp\u00eachant les migrations, destruction des gravi\u00e8res qui sont les lieux de reproduction de l\u2019esturgeon.<\/p>\n<h4>L&rsquo;\u00e9volution de la ressource alimentaire de l&rsquo;esturgeon<\/h4>\n<p style=\"font-weight: 400;\">Dans la m\u00eame p\u00e9riode, et en partie pour les m\u00eames raisons d\u2019\u00e9volution de l\u2019habitat, les ressources alimentaires \u00e0 disposition de l\u2019esturgeon ont \u00e9volu\u00e9. Ainsi, dans le Sud-Ouest de la France, on a assist\u00e9 \u00e0 la disparition de la Mulette (moule d\u2019eau douce). Elle constituait une part essentielle du r\u00e9gime alimentaire de l\u2019esturgeon Europ\u00e9en (Acipenser Sturio).<\/p>\n<p style=\"font-weight: 400;\">De plus, nous pouvons ajouter l\u2019\u00e9volution de la menace pour l\u2019esturgeon. Nos rivi\u00e8res ne sont plus habit\u00e9es par Les \u00e9crevisses herbivores de nos rivi\u00e8res ont laiss\u00e9es la place \u00e0 des carnivores.<\/p>\n<h3>Comment l&rsquo;esturgeon est-il prot\u00e9g\u00e9 ?<\/h3>\n<p style=\"font-weight: 400;\">La Convention de Washington pour la protection des esp\u00e8ces en danger (CITES) est un accord intergouvernemental pour prot\u00e9ger les esp\u00e8ces en voie de disparition. La CITES d\u00e9finit des listes d\u2019animaux qui faut absolument prot\u00e9ger avant de les voir disparaitre.<\/p>\n<p style=\"font-weight: 400;\">Les n\u00e9gociants fran\u00e7ais ont longtemps lutt\u00e9 pour maintenir les esturgeons en dehors du r\u00e9gime de la CITES. Celui-ci aurait mis fin \u00e0 leur longue p\u00e9riode de richesse bas\u00e9e sur le pillage de la ressource. Cependant, lors de l\u2019inscription de l\u2019esturgeon sur la liste de la CITES et l\u2019instauration de quotas de p\u00eache, ceux-ci n\u2019ont m\u00eame pas pu \u00eatre r\u00e9alis\u00e9s. L\u2019esturgeon ayant d\u00e9j\u00e0 quasiment disparu de toutes les rivi\u00e8res, mer et oc\u00e9ans du monde.<\/p>\n<p style=\"font-weight: 400;\">Les esp\u00e8ces animales et v\u00e9g\u00e9tales concern\u00e9es par la CITES sont r\u00e9parties dans trois annexes, I, II et III. Celles-ci repr\u00e9sentent la gravit\u00e9 du risque que leur fait encourir le commerce international. La CITES vise \u00e0 ma\u00eetriser ce risque en limitant les mouvements internationaux aux seuls sp\u00e9cimens accompagn\u00e9s de certificats prouvant que leur pr\u00e9l\u00e8vement est l\u00e9gal et compatible avec la p\u00e9rennit\u00e9 de l&rsquo;esp\u00e8ce concern\u00e9e (voir notre article\u00a0: <a href=\"https:\/\/caviar-de-neuvic.com\/es_es\/parlons-caviar\/comment-lire-une-etiquette-de-caviar-cites\/\" target=\"_blank\" rel=\"noopener\">Comment lire une \u00e9tiquette de caviar<\/a>).<\/p>\n<p style=\"font-weight: 400;\"><strong>Annexe I<\/strong> = esp\u00e8ces menac\u00e9es d\u2019extinction<\/p>\n<p style=\"font-weight: 400;\"><em>Acipenser brevirostrum &#8211; Acipenser sturio<\/em><\/p>\n<p style=\"font-weight: 400;\"><strong>Annexe II<\/strong> = esp\u00e8ces pouvant devenir menac\u00e9es<\/p>\n<p style=\"font-weight: 400;\">Tous les autres esturgeons (Acipenser spp \u2013 Huso spp) sont inscrits \u00e0 l\u2019annexe II<\/p>\n<p style=\"font-weight: 400;\">La lenteur administrative et les consid\u00e9rations politiques \u00e0 l\u2019\u0153uvre lors des conf\u00e9rences des parties de la CITES qui ont lieu tous les deux ou trois ans pour actualiser la liste des esp\u00e8ces annex\u00e9es sont l&rsquo;objet de critiques. Des chercheurs ont ainsi mis en \u00e9vidence qu&rsquo;il s&rsquo;\u00e9coulait en moyenne dix ans entre le classement d&rsquo;une esp\u00e8ce par l&rsquo;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Union_internationale_pour_la_conservation_de_la_nature\" target=\"_blank\" rel=\"noopener\">Union internationale pour la conservation de la nature<\/a>\u00a0(UICN) sur la liste des esp\u00e8ces menac\u00e9es et son inscription dans les annexes de la CITES.<\/p>\n<h3>Qu&rsquo;est-ce que l&rsquo;uicn ?<\/h3>\n<p style=\"font-weight: 400;\">L\u2019UICN est une ONG qui attribue aux esp\u00e8ces un statut de conservation, faisant r\u00e9f\u00e9rence dans la communaut\u00e9 scientifique, et \u00e0 partir desquels elle \u00e9dite sa\u00a0<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Liste_rouge_de_l%27UICN\" target=\"_blank\" rel=\"noopener\">liste rouge des esp\u00e8ces menac\u00e9es<\/a>.<\/p>\n<figure id=\"attachment_6378\" aria-describedby=\"caption-attachment-6378\" style=\"width: 220px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-6378 size-full\" src=\"https:\/\/caviar-de-neuvic.com\/parlons-caviar-old\/wp-content\/uploads\/2022\/12\/Annexe-1.png\" alt=\"Annexe 1\" width=\"220\" height=\"59\" \/><figcaption id=\"caption-attachment-6378\" class=\"wp-caption-text\">Annexe 1<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_6379\" aria-describedby=\"caption-attachment-6379\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-6379 size-medium\" src=\"https:\/\/caviar-de-neuvic.com\/parlons-caviar-old\/wp-content\/uploads\/2022\/12\/Annexe-2-300x260.png\" alt=\"Annexe 2\" width=\"300\" height=\"260\" \/><figcaption id=\"caption-attachment-6379\" class=\"wp-caption-text\">Annexe 2<\/figcaption><\/figure>\n<p style=\"font-weight: 400;\">La\u00a0<strong>r\u00e9\u00e9valuation mondiale des esturgeons<\/strong>, publi\u00e9e en Juillet 2022, r\u00e9v\u00e8le que 100% des 26 esp\u00e8ces d\u2019esturgeons restantes dans le monde sont aujourd\u2019hui menac\u00e9es d\u2019extinction, contre 85% en 2009. Ces \u00e9valuations sont bas\u00e9es sur des calculs pr\u00e9cis. Ils montrent que le d\u00e9clin de ce groupe d\u2019esp\u00e8ces au cours des trois derni\u00e8res g\u00e9n\u00e9rations est plus prononc\u00e9 qu&rsquo;auparavant.<\/p>\n<p style=\"font-weight: 400;\">L\u2019esturgeon jaune (<em>Acipenser dabryanus<\/em>) est pass\u00e9 de la cat\u00e9gorie \u00ab\u00a0En danger critique\u00a0\u00bb (CR) \u00e0 \u00ab\u00a0\u00c9teint \u00e0 l\u2019\u00e9tat sauvage\u00a0\u00bb (EW).<\/p>\n<p style=\"font-weight: 400;\">Finalement, 17 esp\u00e8ces sont d\u00e9sormais \u00ab\u00a0En danger critique\u00a0\u00bb (CR), trois sont \u00ab\u00a0En danger\u00a0\u00bb (EN) et cinq sont \u00ab\u00a0Vuln\u00e9rables\u00a0\u00bb (VU) sur la Liste rouge de l\u2019UICN. La r\u00e9\u00e9valuation a \u00e9galement confirm\u00e9 l\u2019extinction (EW) du spatulaire chinois (<em>Psephurus gladius<\/em>).<\/p>","protected":false},"excerpt":{"rendered":"<p>La disparition des esturgeons. Les esturgeons sont apparus sur terre il y a plusieurs dizaines de millions d\u2019ann\u00e9es, et ils ont peupl\u00e9 toutes les grandes rivi\u00e8res de l\u2019h\u00e9misph\u00e8re Nord. Au cours du XX\u00e8me si\u00e8cle, ils ont \u00e9t\u00e9 pratiquement ray\u00e9s de la carte. Les esturgeons sont actuellement \u00ab plus gravement menac\u00e9s que n\u2019importe quel autre groupe [&hellip;]<\/p>\n","protected":false},"author":11896,"featured_media":23904,"parent":0,"template":"","meta":{"_acf_changed":false,"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","omw_enable_modal_window":"enable","footnotes":""},"tags":[],"universducaviar-categories":[],"class_list":["post-24930","universducaviar","type-universducaviar","status-publish","has-post-thumbnail","hentry","entry","has-media","owp-thumbs-layout-vertical","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La disparition des esturgeons - Producteur Fran\u00e7ais De Caviar<\/title>\n<meta name=\"description\" content=\"La disparition des esturgeons. Les esturgeons sont actuellement \u00ab plus gravement menac\u00e9s que n\u2019importe quel autre groupe d\u2019esp\u00e8ces.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/caviar-de-neuvic.com\/es_es\/universducaviar\/la-disparition-des-esturgeons\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La disparition des esturgeons - Producteur Fran\u00e7ais De Caviar\" \/>\n<meta property=\"og:description\" content=\"La disparition des esturgeons. 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