{"id":275786,"date":"2017-07-11T16:52:28","date_gmt":"2017-07-11T14:52:28","guid":{"rendered":"http:\/\/hudo.com\/si\/?p=275786"},"modified":"2017-07-11T16:52:28","modified_gmt":"2017-07-11T14:52:28","slug":"znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst\/","title":{"rendered":"Znanstveniki svarijo pred mno\u017ei\u010dnim izumrtjem \u017eivalskih vrst"},"content":{"rendered":"<p>V \u0161tudiji, objavljeni v znanstveni reviji Proceedings of the National Academy of Science, so po poro\u010danju tujih agencij zapisali, da se \u0161esto mno\u017ei\u010dno izumiranje vrst v zgodovini planeta \u017ee odvija in je precej resnej\u0161e, kot so predvidevali. Ogro\u017eenih je na tiso\u010de \u017eivalskih vrst in na milijarde posameznih \u017eivali, opozarjajo.<\/p>\n<p>Za to so po njihovi oceni krivi prekomerni posegi \u010dloveka v naravno okolje, zaradi \u010desar se je v zadnjih desetletjih mo\u010dno skr\u010dil naravni habitat. Opozarjajo na prekomerno poseljevanje, invazivne organizme in onesna\u017eevanje, v zadnjem \u010dasu pa gro\u017enjo vedno bolj predstavljajo tudi podnebne spremembe.<\/p>\n<p>Vsi ti dejavniki so po navedbah znanstvenikov vplivali na katastrofalen upad \u0161tevila posameznih \u017eivali, tako obi\u010dajnih kot redkih vrst. Znanstvena raziskava je zajela 27.600 vrst vreten\u010darjev, kar predstavlja pribli\u017eno polovico znanih vrst. V kar tretjini primerov so ugotovili upad \u0161tevila posameznih \u017eivali pa tudi njihove geografske raz\u0161irjenosti.<\/p>\n<p>\u0160e podrobneje pa so v raziskavi analizirali 177 vrst sesalcev in ugotovili, da so vsi izgubili ve\u010d kot 30 odstotkov habitata. Poleg tega je v ve\u010d kot 40 odstotkih teh primerov populacija upadla pod 80 odstotkov.<\/p>\n<p>&#8220;Nekaj vrst sesalcev, ki so \u0161e pred desetletjem veljali za relativno varne, je sedaj ogro\u017eenih,&#8221; je po poro\u010danju tujih agencij zapisano v \u0161tudiji. Kot primer navajajo velik upad populacije gepardov, orangutanov, levov in \u017eiraf.<\/p>\n<p>V \u0161tudiji, ki so jo izvedli znanstveniki univerze Stanford in Nacionalne avtonomne univerze v Mehiki, opozarjajo, da je tak\u0161no upadanje \u017eivalskih vrst napad na temelje \u010dlove\u0161ke civilizacije in bo imelo resne ekolo\u0161ke, gospodarske in dru\u017ebene posledice.<\/p>\n<p>V zadnjih 500 milijonih letih se je sicer Zemlja soo\u010dila s petimi t. i. mno\u017ei\u010dnimi izumrtji vrst, v katerih je popolnoma izginilo 75 odstotkov vrst. Nazadnje se je to zgodilo pred 66 milijoni let, ko je izumrlo 76 odstotkov vseh vrst, vklju\u010dno z dinozavri.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Znanstveniki so pri\u0161li do spoznanja, da se Zemlja zaradi \u010dlove\u0161kega uni\u010devanja naravnega okolja soo\u010da z mno\u017ei\u010dnim izumiranjem \u017eivalskih vrst. V teku je \u0161esto mno\u017ei\u010dno izumiranje vrst v zgodovini planeta, znanstveniki pa opozarjajo, da se biolo\u0161ko uni\u010devanje odvija precej hitreje, kot so predvidevali.<\/p>\n","protected":false},"author":7,"featured_media":275787,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[1674,6468,1645],"source":[4511],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Znanstveniki svarijo pred mno\u017ei\u010dnim izumrtjem \u017eivalskih vrst - Hudo Slovenija<\/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:\/\/hudo.com\/si\/aktualno\/znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Znanstveniki svarijo pred mno\u017ei\u010dnim izumrtjem \u017eivalskih vrst - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Znanstveniki so pri\u0161li do spoznanja, da se Zemlja zaradi \u010dlove\u0161kega uni\u010devanja naravnega okolja soo\u010da z mno\u017ei\u010dnim izumiranjem \u017eivalskih vrst. V teku je \u0161esto mno\u017ei\u010dno izumiranje vrst v zgodovini planeta, znanstveniki pa opozarjajo, da se biolo\u0161ko uni\u010devanje odvija precej hitreje, kot so predvidevali.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2017-07-11T14:52:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/07\/profimedia-0235846054.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"833\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"A. P., STA\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:site\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"A. P., STA\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-svarijo-pred-mnozicnim-izumrtjem-zivalskih-vrst\/\"},\"author\":{\"name\":\"A. 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