{"id":80880,"date":"2026-01-08T14:32:45","date_gmt":"2026-01-08T14:32:45","guid":{"rendered":"https:\/\/www.europesays.com\/ee\/80880\/"},"modified":"2026-01-08T14:32:45","modified_gmt":"2026-01-08T14:32:45","slug":"mammut-ei-soonud-liha-aga-tema-luudes-on-lammastikku-samapalju-kui-lovil","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ee\/80880\/","title":{"rendered":"mammut ei s\u00f6\u00f6nud liha \u2013 aga tema luudes on l\u00e4mmastikku samapalju kui l\u00f5vil"},"content":{"rendered":"<p>Uuring ilmus rahvusvahelises teadusajakirjas \u00abQuaternary Science Reviews\u00bb ja keskendub ajavahemikule 28 000 \u2013 22 000 aastat tagasi ehk viimase j\u00e4\u00e4aja maksimumile. \u00abSee oli aeg, mil Euraasiat iseloomustas intensiivne k\u00fclm ja p\u00f5ud ning mil algas paljude suurte imetajate, sealhulgas mammutite kiire kadumine,\u00bb selgitas uuringu \u00fcks autoreid, TalTechi geoloogia instituudi nooremteadur Ivan Krivokorin.<\/p>\n<p>\u00abSee periood ja piirkond oli seni isotoopuuringutes \u00fcsna alaesindatud, mist\u00f5ttu on meie arusaam toonastest keskkonnatingimustest olnud l\u00fcnklik,\u00bb selgitab Krivokorin. \u00abJust seet\u00f5ttu otsustasime keskenduda L\u00e4\u00e4ne-Siberi kaguosale, kus leidub erakordselt rikkalikke mammutileide.\u00bb<\/p>\n<p>Teadlased anal\u00fc\u00fcsisid kokku 29 mammuti hambaproovi, mis p\u00e4rinesid kolmest hilispleistotseeni leiukohast: \u0160estakovost, Krasnojarskaja Kurjast ja Volchia Grivast. Lisaks kaasati v\u00f5rdluseks \u00fcks hobuse ja \u00fcks hirve hammas. Uurimismeetodiks oli stabiilsete s\u00fcsiniku- ja l\u00e4mmastiku isotoopide anal\u00fc\u00fcs, mis v\u00f5imaldab rekonstrueerida loomade toitumist ning keskkonnatingimusi tuhandete aastate tagant.<\/p>\n<p>S\u00fcsiniku isotoobid annavad teavet kohaliku taimestiku ja kliima, aga ka looma toitumise kohta ning l\u00e4mmastiku isotoobid annavad \u00fclevaate toiduahelast, toiduvalikust ning ka n\u00e4itavad v\u00f5imalikku alatoitumust. Just l\u00e4mmastiku isotoopide tulemused osutusid Volchia Griva leiukohas silmatorkavaks.<\/p>\n<p><img decoding=\"async\" class=\"figure__image\" onclick=\"triggerEvent('articleImageClick', { id: 17375740, focus: 'single-image', focusIndex: '17375740' })\" onkeydown=\"if (event.key === 'Enter') {&#10;        triggerEvent('articleImageClick', { id: 17375740, focus: 'single-image', focusIndex: '17375740' })&#10;        }\" role=\"button\" tabindex=\"0\" data-focus-from=\"single-image\" data-focus-index=\"17375740\" src=\"https:\/\/www.europesays.com\/ee\/wp-content\/uploads\/2026\/01\/17375740t1had24.jpg\"  onload=\"this.parentElement.classList.remove('figure__image-loading')\" alt=\"Ivan Krivokorin v\u00e4lit\u00f6\u00f6del.\"\/>Ivan Krivokorin v\u00e4lit\u00f6\u00f6del. Foto: Erakogu<\/p>\n<p>Volchia Griva mammutite isotoopv\u00e4\u00e4rtused olid sarnased t\u00e4nap\u00e4eva l\u00f5videle<\/p>\n<p>Volchia Grivast leiti \u00fcle 7000 mammuti luu v\u00e4hemalt 80 isendilt, mis teeb sellest \u00fche rikkalikuma hilispleistotseeni leiukoha. Uuringus anal\u00fc\u00fcsitud mammutite hammaste l\u00e4mmastiku isotoopv\u00e4\u00e4rtused (\u03b415N) olid erakordselt k\u00f5rged \u2013 keskmiselt +13,2\u2030. V\u00f5rdluseks j\u00e4\u00e4b enamik maailma teistest mammutileiukohtadest tavaliselt vahemikku 6\u20139\u2030.<\/p>\n<p>\u00abSee on tase, mis on v\u00f5rreldav selliste t\u00e4nap\u00e4eva suurte kiskjate, nagu l\u00f5vide luudes m\u00f5\u00f5detavaga,\u00bb selgitab Krivokorin. \u00abS\u00e4\u00e4rased v\u00e4\u00e4rtused on erakordsed taimtoiduliste loomade puhul ja viitavad, et toiduahelas v\u00f5i l\u00e4mmastikuringes pidi esinema midagi ebatavalist. See ei t\u00e4henda, et mammutid oleksid muutunud lihas\u00f6\u00f6jateks, vaid pigem n\u00e4itab, kui tugevasti v\u00f5ib kohalik keskkond m\u00f5jutada keemilist signatuuri.\u00bb<\/p>\n","protected":false},"excerpt":{"rendered":"Uuring ilmus rahvusvahelises teadusajakirjas \u00abQuaternary Science Reviews\u00bb ja keskendub ajavahemikule 28 000 \u2013 22 000 aastat tagasi ehk&hellip;\n","protected":false},"author":2,"featured_media":80881,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[26,27,37,33,35,34,36,31,32,21,40351,40352,40355,40358,40357,28,29,40354,19,25,40353,23,24,22,20,30,40356],"class_list":{"0":"post-80880","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-eesti","8":"tag-breaking-news","9":"tag-breakingnews","10":"tag-ee","11":"tag-eesti","12":"tag-eesti-keel","13":"tag-estonia","14":"tag-estonian","15":"tag-featured-news","16":"tag-featurednews","17":"tag-headlines","18":"tag-hilispleistotseen","19":"tag-isotoopide-analuus","20":"tag-isotoopkoostis","21":"tag-ivan-krivokorin","22":"tag-laane-siber","23":"tag-latest-news","24":"tag-latestnews","25":"tag-mammutid","26":"tag-news","27":"tag-populaarseimad-lood","28":"tag-taltech-geoloogia-instituut","29":"tag-top-stories","30":"tag-topstories","31":"tag-uldised-uudised","32":"tag-uudised","33":"tag-viimased-uudised","34":"tag-volchia-griva"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ee\/115859970008988633","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/80880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/comments?post=80880"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/80880\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media\/80881"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media?parent=80880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/categories?post=80880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/tags?post=80880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}