{"id":70424,"date":"2025-12-27T06:12:13","date_gmt":"2025-12-27T06:12:13","guid":{"rendered":"https:\/\/www.europesays.com\/lt\/70424\/"},"modified":"2025-12-27T06:12:13","modified_gmt":"2025-12-27T06:12:13","slug":"mokslininkai-rado-seniausia-pasaulyje-gyvuna-ir-ta-pacia-diena-netycia-ji-nuzude","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/lt\/70424\/","title":{"rendered":"Mokslininkai rado seniausi\u0105 pasaulyje gyv\u016bn\u0105 ir t\u0105 pa\u010di\u0105 dien\u0105 nety\u010dia j\u012f nu\u017eud\u0117"},"content":{"rendered":"<p>2006 m. tyr\u0117jai i\u0161 vandenyno dugno prie Islandijos krant\u0173 i\u0161k\u0117l\u0117 didel\u012f dvigeld\u012f moliusk\u0105 \u2013 Islandijos geldut\u0119 (Arctica islandica). Gyv\u016bno am\u017eius buvo nustatytas pana\u0161iai kaip med\u017ei\u0173: \u0161i\u0173 moliusk\u0173 kriaukl\u0117s sudaro metinius augimo \u017eiedus, kuriuos galima suskai\u010diuoti, norint nustatyti j\u0173 am\u017ei\u0173.<\/p>\n<p>Mokslininkai patvirtino, kad \u0161ie sluoksniai susidaro kasmet. Jie buvo lyginti su sezoniniais kriaukl\u0117s chemin\u0117s sud\u0117ties poky\u010diais ir atlikant eksperimentus su pakartotinai surinktais moliuskais.<\/p>\n<p>B\u016btent \u0161\u012f metod\u0105 mokslininkai pasitelk\u0117 2006 m., bandydami tiksliai nustatyti egzemplioriaus am\u017ei\u0173.<\/p>\n<p>\u201eKasmetinis juosteli\u0173 ant kriaukl\u0117s pj\u016bvio skai\u010diavimas parod\u0117, kad \u0161is moliuskas gyveno daugiau nei 405 metus, tod\u0117l tai seniausias moliuskas ir galb\u016bt seniausias iki \u0161iol dokumentuotas nekolonijinis gyv\u016bnas\u201c, \u2013 teigiama 2006 m. mokslin\u0117je publikacijoje, skirtoje \u0161iam moliuskui.<\/p>\n<p>Ta\u010diau v\u0117lesni tyrimai parod\u0117, kad net ir \u0161is \u012fsp\u016bdingas skai\u010dius i\u0161 tikr\u0173j\u0173 tur\u0117jo b\u016bti gerokai didesnis. Radiokarbonin\u0117 analiz\u0117 atskleid\u0117, kad moliuskas pragyveno 507 metus. Taigi jis gim\u0117 apie 1499 m. \u2013 Kinijos Ming\u0173 dinastijos laikais, tod\u0117l jis buvo pramintas Mingo vardu.<\/p>\n<p>Moliusko Arctica islandica tokia nepaprasta gyvenimo trukm\u0117 yra grei\u010diau taisykl\u0117, o ne i\u0161imtis. Daugelis \u0161ios r\u016b\u0161ies individ\u0173 reguliariai sulaukia \u0161imtme\u010dio am\u017eiaus ir j\u012f gerokai vir\u0161ija.<\/p>\n<p>\u0160io fenomenalaus ilgaam\u017ei\u0161kumo prie\u017eastys susijusios su \u0161i\u0173 b\u016btybi\u0173 fiziologin\u0117mis savyb\u0117mis ir galb\u016bt genetika.<\/p>\n<p>\u201eJie sunaudoja labai ma\u017eai deguonies. Kai gyv\u016bno med\u017eiag\u0173 apykaita tokia l\u0117ta, tai paprastai rei\u0161kia ir labai ilg\u0105 gyvenim\u0105. Ta\u010diau a\u0161 taip pat manau, kad dalis jo ilgaam\u017ei\u0161kumo prie\u017easties slypi genuose\u201c, \u2013 leidiniui \u201eScience Nordic\u201c sak\u0117 j\u016br\u0173 biolog\u0117 Doris Abele.<\/p>\n<p>Karti ironija ta, kad b\u016btent noras tiksliai nustatyti maksimal\u0173 \u0161ios r\u016b\u0161ies am\u017ei\u0173 tapo Mingo mirties prie\u017eastimi. Moliuskas, tap\u0119s Reformacijos, Amerikos kolonizacijos ir pramon\u0117s revoliucijos liudininku, nugai\u0161o 2006 m. Labiausiai tik\u0117tina prie\u017eastis buvo ta, kad jis buvo u\u017e\u0161al\u0119s po to, kai buvo i\u0161trauktas i\u0161 vandenyno dugno.<\/p>\n","protected":false},"excerpt":{"rendered":"2006 m. tyr\u0117jai i\u0161 vandenyno dugno prie Islandijos krant\u0173 i\u0161k\u0117l\u0117 didel\u012f dvigeld\u012f moliusk\u0105 \u2013 Islandijos geldut\u0119 (Arctica islandica).&hellip;\n","protected":false},"author":2,"featured_media":70425,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[25,30,31,34,35,24,32,33,37,39,36,38,40,23,22,44,28,29,26,27,74,75,76],"class_list":{"0":"post-70424","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-pasaulis","8":"tag-antrastes","9":"tag-breaking-news","10":"tag-breakingnews","11":"tag-featured-news","12":"tag-featurednews","13":"tag-headlines","14":"tag-latest-news","15":"tag-latestnews","16":"tag-lietuva","17":"tag-lietuviu","18":"tag-lithuania","19":"tag-lithuanian","20":"tag-lt","21":"tag-naujienos","22":"tag-news","23":"tag-pasaulis","24":"tag-populiariausios-naujienos","25":"tag-populiariausiosnaujienos","26":"tag-top-stories","27":"tag-topstories","28":"tag-world","29":"tag-world-news","30":"tag-worldnews"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@lt\/115790056246721992","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts\/70424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/comments?post=70424"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts\/70424\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/media\/70425"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/media?parent=70424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/categories?post=70424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/tags?post=70424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}