{"id":155584,"date":"2026-04-17T06:03:08","date_gmt":"2026-04-17T06:03:08","guid":{"rendered":"https:\/\/www.europesays.com\/ee\/155584\/"},"modified":"2026-04-17T06:03:08","modified_gmt":"2026-04-17T06:03:08","slug":"aafrika-elevandid-on-kaotamas-omavahelisi-uhendusi-keskkond","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ee\/155584\/","title":{"rendered":"Aafrika elevandid on kaotamas omavahelisi \u00fchendusi | Keskkond"},"content":{"rendered":"<p>Elevantide looduslikud asualad Aafrikas on ohtlukult killustunud ja see paistab juba v\u00e4lja ka nende toredate loomade geenidest.<\/p>\n<p>Rahvusvaheline teadlasr\u00fchm on j\u00e4rjeldanud 232 Aafrika elevandi t\u00e4isgenoomi, nende loomade seas oli nii savanni- kui ka metsaelevante 17 maalt.<\/p>\n<p>Tegu on esimese nii ulatusliku geeniuuringuga p\u00e4rast seda, kui selgus, et Aafrika elevante on tegelikult kaks liiki.<\/p>\n<p>Patr\u00edcia Pe\u010dnerov\u00e1 Taanist Kopenhaageni \u00dclikoolist ja ta kolleegid said geeniandmeid muu hulgas enam kui 30 aastat tagasi v\u00f5etud ja biobankades hoiul olnud proovidest.<\/p>\n<p>Ajakirjas <a href=\"https:\/\/www.nature.com\/articles\/s41467-026-71262-w\" target=\"_blank\" rel=\"noopener nofollow\">Nature Communications<\/a> avaldatud tulemustest n\u00e4htub, et paljud elevantide asurkonnad on teistest \u00fcsna isoleeritud, p\u00f5hjuseks k\u00fcllap kunagine k\u00fcttimine ja inimeste elama ja tegutsema asumine \u00fcha laiematele aladele.<\/p>\n<p><img decoding=\"async\" style=\"width: 100%;\" src=\"https:\/\/www.europesays.com\/ee\/wp-content\/uploads\/2025\/09\/558447h58e7.png\"\/><\/p>\n<p>Geenianal\u00fc\u00fcs n\u00e4itas, et kuni veel p\u00e4ris hiljutise ajani pidasid elevandid \u00fcle pikkade vahemaade omavahel \u00fchendust. Suure liikumisvabaduse toel p\u00fcsisis elevantide geenimaterjal tugev ja vastupidav, sest eri asurkonnad segunesid sageli.<\/p>\n<p>T\u00e4na on aga pilt teine. Teadlased tuvastasid kaks eriti isoleeritud piirkonda, mis asuvad m\u00f5lemad Kirde-Aafrikas, Etioopias ja Eritreas, kus elevante lahutab teistest asurkondadest v\u00e4hemalt 400 kilomeetrit. Vahepeal elavad inimesed ja laiub p\u00f5llumaa.<\/p>\n<p>Neil aladel on elevantide geneetiline mitmekesisus sugulussigimuse t\u00f5ttu juba m\u00e4rgatavalt n\u00f5rgenenud.<\/p>\n<p>Isoleeritud piirkondi, kuid m\u00f5nev\u00f5rra kergemal kujul, leidub ka L\u00e4\u00e4ne-Aafrikas, kus inimasustus on samuti tihe ja vandlikaubitsus ajalooliselt au sees olnud.<\/p>\n<p>Teisest k\u00fcljest on Aafrika l\u00f5unaosas Kavango-Zambezi piiri\u00fclesel looduskaitsealal, mis laiub viie riigi territooriumil ja kus maastiku kaitse on olnud t\u00f5hus, ka elevantide geenirikkus palju kindlamal j\u00e4rjel.<\/p>\n<p>Uuringu autorid loodavad, et t\u00e4psemast genoomitundmisest on elevantide edasisel kaitsel kasu. Uuringu andmed on seep\u00e4rast tehtud ka avalikult k\u00e4ttesaadavaks.<\/p>\n<p>Elevandid on targad loomad ja tulevad eluga toime ka inimeste l\u00e4hedal, aga inimeste asi v\u00f5iks olla j\u00e4tta neile alles piisavaid liikumisv\u00f5imalusi.<\/p>\n<p>Teadusuudised on Vikerraadios eetris esmasp\u00e4evast reedeni ca kell 8.35 ja laup\u00e4eval ca kell 8.25.<\/p>\n","protected":false},"excerpt":{"rendered":"Elevantide looduslikud asualad Aafrikas on ohtlukult killustunud ja see paistab juba v\u00e4lja ka nende toredate loomade geenidest. Rahvusvaheline&hellip;\n","protected":false},"author":2,"featured_media":155585,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[80],"tags":[1114,73388,10051,26,27,37,33,35,35109,34,36,31,32,7513,21,73387,28,29,95,19,25,23,24,38127,22,20,30,92,93,94],"class_list":["post-155584","post","type-post","status-publish","format-standard","has-post-thumbnail","category-maailm","tag-aafrika","tag-asuala","tag-asurkond","tag-breaking-news","tag-breakingnews","tag-ee","tag-eesti","tag-eesti-keel","tag-elevant","tag-estonia","tag-estonian","tag-featured-news","tag-featurednews","tag-genoom","tag-headlines","tag-killustumine","tag-latest-news","tag-latestnews","tag-maailm","tag-news","tag-populaarseimad-lood","tag-top-stories","tag-topstories","tag-uhendus","tag-uldised-uudised","tag-uudised","tag-viimased-uudised","tag-world","tag-world-news","tag-worldnews"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ee\/116418537584569353","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/155584","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=155584"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/155584\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media\/155585"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media?parent=155584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/categories?post=155584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/tags?post=155584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}