{"id":862,"date":"2016-05-29T17:34:20","date_gmt":"2016-05-29T15:34:20","guid":{"rendered":"https:\/\/krebszucht-jeske.de\/oprindelse\/"},"modified":"2024-02-21T22:43:42","modified_gmt":"2024-02-21T21:43:42","slug":"oprindelse","status":"publish","type":"page","link":"https:\/\/krebszucht-jeske.de\/da\/oprindelse\/","title":{"rendered":"Krebsens oprindelse"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#FFFFFF&#8221; custom_padding=&#8221;0px||0px|||&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; border_width_right=&#8221;2px&#8221; border_color_right=&#8221;#5AA4CF&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_title meta=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; title_text_color=&#8221;#001335&#8243; title_font_size=&#8221;30px&#8221; background_enable_color=&#8221;off&#8221; custom_padding=&#8221;75px|20px|20px|20px|false|true&#8221; border_width_left=&#8221;2px&#8221; border_color_left=&#8221;#E3332E&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_title][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row padding_mobile=&#8221;on&#8221; column_padding_mobile=&#8221;on&#8221; admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;0px||0px|&#8221; make_fullwidth=&#8221;off&#8221; use_custom_width=&#8221;off&#8221; width_unit=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Den \u00e6dle krebs overlevede sandsynligvis istiderne i Sydeuropa. Da indlandsisen trak sig tilbage, blev det centrale og nordlige Europa genkoloniseret. De almindeligt kendte genetiske hotspots for arten er derfor hovedsageligt p\u00e5 Balkan, i Rum\u00e6nien og Bulgarien. Men der er stadig genetisk forskellige strukturer i Tyskland. Mens den mest almindelige genetiske variant, haplotype H01, er udbredt i Tyskland og store dele af Europa, viser flodkrebs fra Slesvig-Holsten unikke genetiske karakteristika, som endnu ikke er blevet p\u00e5vist l\u00e6ngere sydp\u00e5 eller l\u00e6ngere nordp\u00e5. Disse haplotyper fik navnene H09, H10 og H24. Det betyder, at flodkrebsene i Slesvig-Holsten har den st\u00f8rste genetiske diversitet i Tyskland, som kan sammenlignes med den, der findes i artens tilbagetr\u00e6kningsomr\u00e5der fra istiden i Syd\u00f8steuropa. Oprindelsen af disse haplotyper kan ikke forklares med indvandring, da der i Finland f.eks. kun findes haplotypen H01, som er udbredt i Tyskland. Overlevelsen af \u00e6delkrebs med disse haplotyper i Nordtyskland under Weichsel-istiden er en mulighed for deres genetiske differentiering. Andre limniske arter menes ogs\u00e5 at have overlevet p\u00e5 denne m\u00e5de. Denne &#8220;anderledeshed&#8221; kendetegner krebsene i Slesvig-Holsten og retf\u00e6rdigg\u00f8r alene deres s\u00e6rlige bevaringsstatus.<\/p>\n<p>\u200c<\/p>\n<p>Desuden tyder de seneste unders\u00f8gelser p\u00e5, at populationer af europ\u00e6iske krebs med et h\u00f8jt antal haplotyper er mere tilb\u00f8jelige til at v\u00e6re resistente over for krebsepest. Denne svampesygdom er i h\u00f8j grad ansvarlig for, at den europ\u00e6iske flodkrebs er forsvundet, og patogenets tilstedev\u00e6relse i \u00e5bne farvande forhindrer i \u00f8jeblikket genindf\u00f8relsen af flodkrebs. Resistente bestande af flodkrebs kunne dog med held koloniseres der.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#FFFFFF&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;0px||0px|||&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#122747&#8243; custom_padding=&#8221;1px||0px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.24.1&#8243; header_3_font=&#8221;|800|||||||&#8221; header_3_text_color=&#8221;#FFFFFF&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;14px||0px|20px|false|false&#8221; border_width_left=&#8221;2px&#8221; border_color_left=&#8221;#E3332E&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Mere om emnet oprindelse:<\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#122747&#8243; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;0px||0px|||&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;1px||0px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_slider include_categories=&#8221;61&#8243; show_meta=&#8221;off&#8221; use_bg_overlay=&#8221;off&#8221; _builder_version=&#8221;4.24.1&#8243; _module_preset=&#8221;default&#8221; header_level=&#8221;h3&#8243; header_text_color=&#8221;#FFFFFF&#8221; header_font_size=&#8221;25px&#8221; body_font_size=&#8221;12px&#8221; background_color=&#8221;#122747&#8243; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#E3332E&#8221; button_border_width=&#8221;0px&#8221; button_border_radius=&#8221;0px&#8221; text_orientation=&#8221;left&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; hover_enabled=&#8221;0&#8243; border_width_bottom=&#8221;2px&#8221; border_color_bottom=&#8221;#5AA4CF&#8221; border_width_left=&#8221;2px&#8221; border_color_left=&#8221;#E3332E&#8221; global_colors_info=&#8221;{}&#8221; button_border_width__hover_enabled=&#8221;on|hover&#8221; button_border_width__hover=&#8221;0px&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_post_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Den \u00e6dle krebs overlevede sandsynligvis istiderne i Sydeuropa. Da indlandsisen trak sig tilbage, blev det centrale og nordlige Europa genkoloniseret. De almindeligt kendte genetiske hotspots for arten er derfor hovedsageligt p\u00e5 Balkan, i Rum\u00e6nien og Bulgarien. Men der er stadig genetisk forskellige strukturer i Tyskland. Mens den mest almindelige genetiske variant, haplotype H01, er udbredt [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-862","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Krebsens oprindelse - Krebszucht Oeversee<\/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:\/\/krebszucht-jeske.de\/da\/oprindelse\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Krebsens oprindelse - Krebszucht Oeversee\" \/>\n<meta property=\"og:description\" content=\"Den \u00e6dle krebs overlevede sandsynligvis istiderne i Sydeuropa. Da indlandsisen trak sig tilbage, blev det centrale og nordlige Europa genkoloniseret. De almindeligt kendte genetiske hotspots for arten er derfor hovedsageligt p\u00e5 Balkan, i Rum\u00e6nien og Bulgarien. Men der er stadig genetisk forskellige strukturer i Tyskland. 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