{"id":65644,"date":"2024-01-08T14:56:58","date_gmt":"2024-01-08T13:56:58","guid":{"rendered":"https:\/\/balkangreenenergynews.com\/rs\/?p=65644"},"modified":"2024-01-08T17:04:15","modified_gmt":"2024-01-08T16:04:15","slug":"naucna-ekspedicija-istrazuje-prisustvo-mikroplastike-na-antarktiku","status":"publish","type":"post","link":"https:\/\/balkangreenenergynews.com\/rs\/naucna-ekspedicija-istrazuje-prisustvo-mikroplastike-na-antarktiku\/","title":{"rendered":"Nau\u010dna ekspedicija istra\u017euje prisustvo mikroplastike na Antarktiku"},"content":{"rendered":"<h2>Me\u0111unarodna agencija za atomsku energiju (IAEA) je u saradnji sa Argentinom poslala svoju prvu nau\u010dnoistra\u017eiva\u010dku ekspediciju da prou\u010di prisustvo mikroplastike na Antarktiku.<\/h2>\n<p>Me\u0111unarodna agencija za atomsku energiju (IAEA) je u okviru svoje inicijative Nuklearna tehnologija za kontrolisanje zaga\u0111enja plastikom (NUTEC Plastics) poslala ekspediciju da istra\u017ei prisustvo i rasprostranjenost mikroplastike na najju\u017enijem kontinentu, Antartiku.<\/p>\n<p>Kroz mre\u017eu laboratorija za pra\u0107enje plastike, NUTEC Plastics koristi nuklearne i izotopske tehnike za dobijanje podataka o rasprostranjenosti mikroplastike u moru, kao i za uzorkovanje i analizu u\u010destalosti mikroplastike u \u017eivotnoj sredini.<\/p>\n<p>Mikroplastiku \u010dine sitni komadi plastike, manji od pet milimetara, koji obi\u010dno nastaju usitnjavanjem ve\u0107ih predmeta.<\/p>\n<blockquote><p>Grosi: Me\u0111unarodnoj zajednici jo\u0161 uvek nedostaju nau\u010dni podaci potrebni za dono\u0161enje informisanih odluka<\/p><\/blockquote>\n<p>Ekspedicija je pokrenuta u saradnji sa Argentinom te \u0107e se istra\u017eivanje sprovesti na teritoriji Antarktika na koju ta dr\u017eava pola\u017ee pravo.<b>\u00a0<\/b>Predsednik Argentine Havijer Milej i generalni direktor IAEA Rafael Marijano <a href=\"https:\/\/balkangreenenergynews.com\/rs\/grossi-veoma-realan-rizik-od-nuklearne-katastrofe-u-ukrajini\/\">Grosi<\/a> pridru\u017eili su se nau\u010dnom timu IAEA u argentinskim antarkti\u010dkim bazama Marambio i Esperanza kako bi ozvani\u010dili po\u010detak misije.<\/p>\n<p>&#8222;Mikroplastika je globalni problem, ali me\u0111unarodna zajednica jo\u0161 nema dovoljno nau\u010dnih podataka potrebnih za dono\u0161enje informisanih odluka&#8220;, rekao je Grosi. Cilj inicijative NUTEC Plastics je prou\u010di poreklo plastike, njeno kretanje i uticaj, kako bi doprinela re\u0161avanju, pojasnio je.<\/p>\n<p><a href=\"https:\/\/www.iaea.org\/newscenter\/pressreleases\/iaea-scientists-embark-on-antarctic-mission-to-research-microplastic-impact\">Dva stru\u010dnjaka<\/a> IAEA \u0107e narednih mesec dana meriti prisustvo mikroplastike na 22 lokacije na Antarktiku u blizini istra\u017eiva\u010dke baze Karlina.<\/p>\n<p>Istra\u017eiva\u010di \u0107e uzeti uzorke morske vode sa 12 lokacija, sedimenta na \u010detiri mesta i po tri uzorka iz jezera sa pe\u0161\u010danih pla\u017ea. Tako\u0111e \u0107e meriti prisustvo mikroplastike u organizmima \u017eivotinja \u2013 prikupljenih \u0161koljki i pu\u017eeva \u2013 i u izmetu pingvina.<\/p>\n<p><iframe loading=\"lazy\" title=\"IAEA Launches Antarctica Microplastics Research\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/zEi9QFaN9lU?start=123&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3>Mikroplastika doprinosi ubrzanom gubitku leda na Antarktiku<\/h3>\n<p>Prisustvo mikroplastike mo\u017ee doprineti ubrzanju gubitka leda na Antarktiku, tvrdi IAEA. Ona smanjuje refleksivnost leda, pove\u0107ava hrapavost ledene povr\u0161ine, deluje kao toplotni izolator, doprinosi mehani\u010dkom slabljenju strukture leda i pobolj\u0161ava uslove za razmno\u017eavanje mikroba.<\/p>\n<p>Osim toga, mikroplastika ulazi u lanac ishrane antarkti\u010dkih organizama, negativno uti\u010du\u0107i na zdravlje \u017eivotinja i njihovu otpornost na klimatske promene.<\/p>\n<p>Prvi dokazi prisustva mikroplastike prona\u0111eni su u obalnom ledu Antarktika 2009. godine, kada su istra\u017eiva\u010di sa Univerziteta Tasmanije uzorkovali morski led na Isto\u010dnom Antarktiku.<\/p>\n<p>Me\u0111utim, jo\u0161 uvek nema gotovo nikakvih informacija o tome gde i koliko mikroplastike sti\u017ee na Antarktik. Tako\u0111e, postoji vrlo malo podataka o vrstama mikroplastike koja dospeva u ovo podru\u010dje preko okeanskih struja, atmosferskim talo\u017eenjem i zbog prisustva ljudi.<\/p>\n<p>U\u00a0<a href=\"https:\/\/wedocs.unep.org\/xmlui\/bitstream\/handle\/20.500.11822\/39764\/END%20PLASTIC%20POLLUTION%20-%20TOWARDS%20AN%20INTERNATIONAL%20LEGALLY%20BINDING%20INSTRUMENT%20-%20English.pdf?sequence=1&amp;isAllowed=y\">rezoluciji<\/a> iz marta 2022. godine, dr\u017eave \u010dlanice Ujedinjenih nacija su se obavezale da \u0107e pokrenuti pregovore o novom globalnom sporazumu o <a href=\"https:\/\/balkangreenenergynews.com\/rs\/eu-zabranjuje-proizvode-koji-sadrze-dodatu-mikroplastiku\/\">zabrani zaga\u0111enja plastikom<\/a>, s ciljem formalnog usvajanja do 2025. godine. Podaci koje NUTEC Plastics prikuplja bi\u0107e klju\u010dni za dono\u0161enje odluka, dodala je IAEA.<\/p>\n<p>NUTEC Plastics doprinosi re\u0161avanju pitanja <a href=\"https:\/\/balkangreenenergynews.com\/rs\/svetski-dan-zivotne-sredine-za-pobedu-nad-zagadjenjem-plastikom\/\">zaga\u0111enja plastikom<\/a> na dva fronta. Prvi je mesto nastanka zaga\u0111enja, gde bi uvo\u0111enje novih tehnologija trebalo da unapredi postupak recikliranja. Drugi front je u okeanu, gde zavr\u0161i najve\u0107i deo plasti\u010dnog otpada.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Me\u0111unarodna agencija za atomsku energiju (IAEA) je poslala svoju prvu ekspediciju da prou\u010di prisustvo mikroplastike na Antarktiku<\/p>\n","protected":false},"author":34,"featured_media":65649,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Nau\u010dna ekspedicija istra\u017euje prisustvo mikroplastike na Antarktiku","_seopress_titles_desc":"Me\u0111unarodna agencija za atomsku energiju (IAEA) je poslala svoju prvu ekspediciju da prou\u010di prisustvo mikroplastike na Antarktiku.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"5","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"IAEA","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5,4],"tags":[6483,6444,1517,1485,5921],"class_list":["post-65644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-otpad","category-zivotna-sredina-i-klima","tag-iaea","tag-mikroplastika","tag-plasticni-otpad","tag-zagadenje","tag-zivotna-sredina","country-svet"],"acf":[],"_links":{"self":[{"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/posts\/65644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/users\/34"}],"replies":[{"embeddable":true,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/comments?post=65644"}],"version-history":[{"count":0,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/posts\/65644\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/media\/65649"}],"wp:attachment":[{"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/media?parent=65644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/categories?post=65644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/balkangreenenergynews.com\/rs\/wp-json\/wp\/v2\/tags?post=65644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}