{"id":6208,"date":"2026-10-19T09:48:38","date_gmt":"2026-10-19T09:48:38","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-umhverfis-og-audlindafraedi-claudiu-eduard-nedelciu\/"},"modified":"2026-10-19T09:48:38","modified_gmt":"2026-10-19T09:48:38","slug":"doktorsvorn-i-umhverfis-og-audlindafraedi-claudiu-eduard-nedelciu","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-umhverfis-og-audlindafraedi-claudiu-eduard-nedelciu\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed umhverfis- og au\u00f0lindafr\u00e6\u00f0i – Claudiu Eduard Nedelciu"},"content":{"rendered":"
\n
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V\u00f6rninni ver\u00f0ur streymt<\/a><\/p>\n

Doktorsefni:<\/strong>\u00a0Claudiu Eduard Nedelciu<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0Alheims a\u00f0fangake\u00f0ja fosf\u00f3rs: \u00c1hrif \u00e1 sj\u00e1lfb\u00e6rni 21. aldarinnar (Global Phosphorus supply chain dynamics: Sustainability implications for the 21st century)<\/p>\n

Andm\u00e6lendur:
<\/strong>Dr. Birgit Kopainsky, pr\u00f3fessor vi\u00f0 H\u00e1sk\u00f3lann \u00ed Bergen, Noregi
Dr. P\u00e5l B\u00f6rjesson, pr\u00f3fessor vi\u00f0 H\u00e1sk\u00f3lann \u00ed Lundi, Sv\u00ed\u00fej\u00f3\u00f0<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. Krist\u00edn Vala Ragnarsd\u00f3ttir, pr\u00f3fessor vi\u00f0 Jar\u00f0v\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Einnig \u00ed doktorsnefnd:<\/strong>
<\/strong>Dr. Ingrid Stjernquist, fr\u00e6\u00f0ima\u00f0ur vi\u00f0 H\u00e1sk\u00f3lann \u00ed Stokkh\u00f3lmi, Sv\u00ed\u00fej\u00f3\u00f0
Dr. Harald Ulrik Sverdrup, pr\u00f3fessor vi\u00f0 Norway Inland University of Applied Sciences<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Dr. Freysteinn Sigmundsson, v\u00edsindama\u00f0ur vi\u00f0 Jar\u00f0v\u00edsindastofnun og deildarforseti Jar\u00f0v\u00edsindadeildar H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Um er a\u00f0 r\u00e6\u00f0a sameiginlega doktorsgr\u00e1\u00f0u vi\u00f0 H\u00e1sk\u00f3la \u00cdslands og H\u00e1sk\u00f3lann \u00ed Stokkh\u00f3lmi.<\/p>\n

\u00c1grip<\/strong><\/p>\n

Fosf\u00f3r er nau\u00f0synlegt en um lei\u00f0 \u00f3\u00fatskiptanlegt n\u00e6ringarefni fyrir landb\u00fana\u00f0 og gegnir \u00fev\u00ed lykilhlutverki hva\u00f0 al\u00fej\u00f3\u00f0legt f\u00e6\u00f0u\u00f6ryggi var\u00f0ar. Flestir fosfat\u00e1bur\u00f0ir eru framleiddir \u00far fosfatr\u00edku bergi, sem er endanlegt steinefni og er n\u00e1mugrafi\u00f0 og frekar unni\u00f0 me\u00f0 miklum umhverfis- og f\u00e9lagslegum kostna\u00f0i. Engu a\u00f0 s\u00ed\u00f0ur umbreytir n\u00faverandi fosf\u00f3ra\u00f0fangske\u00f0ja \u00feessari d\u00fdrm\u00e6tu au\u00f0lind \u00ed a\u00f0almengunarefni vatnsb\u00f3la.<\/p>\n

Ranns\u00f3knirnar sem kynntar eru \u00ed \u00feessari ritger\u00f0 l\u00fata a\u00f0 sj\u00e1lfb\u00e6rni\u00e1skorunum n\u00faverandi l\u00ednulegrar fosf\u00f3rke\u00f0ju og fjalla um aflei\u00f0ingar \u00feeirra. Helstu a\u00f0fer\u00f0ir sem nota\u00f0ar voru \u00ed \u00feessari ranns\u00f3kn voru greining fr\u00e6\u00f0irita, endursko\u00f0un \u00e1 tilviksranns\u00f3knum, skipul\u00f6g\u00f0 vi\u00f0t\u00f6l vi\u00f0 haga\u00f0ila \u00far fosf\u00f3rgeiranum, greining haga\u00f0ila, kerfisgreining og kvik kerfisl\u00edkanager\u00f0.<\/p>\n

Fj\u00f3rar lykilni\u00f0urst\u00f6\u00f0ur komu fram \u00ed \u00feessu verkefni. \u00cd fyrsta lagi er nau\u00f0synlegt a\u00f0 loka fosf\u00f3rbirgiske\u00f0julykkjunni \u00ed sta\u00f0 \u00feess a\u00f0 einbeita s\u00e9r einungis a\u00f0 lausnum til a\u00f0 hreinsa upp mengunina. \u00cd \u00f6\u00f0ru lagi, hva\u00f0 var\u00f0ar eftirlit, er al\u00fej\u00f3\u00f0leg fosf\u00f3r-a\u00f0fangske\u00f0ja \u00f3gagns\u00e6. \u00deetta hefur \u00ed f\u00f6r me\u00f0 s\u00e9r alvarlegar \u00e1skoranir \u00ed a\u00f0 setja fram \u00f6fluga stefnu \u00ed matv\u00e6la\u00f6ryggi. \u00a0<\/strong>\u00cd \u00feri\u00f0ja lagi eru i\u00f0na\u00f0ar\u00fer\u00f3unarsv\u00e6\u00f0i heimsins, \u00fear sem b\u00faast m\u00e1 vi\u00f0 a\u00f0 mest f\u00f3lksfj\u00f6lgun eigi s\u00e9r sta\u00f0 \u00e1 n\u00e6stu \u00e1ratugum, s\u00edfellt vi\u00f0kv\u00e6mari fyrir fosf\u00f3rskorti. \u00cd fj\u00f3r\u00f0a lagi, vi\u00f0 \u00f3breytt ferli mun a\u00f0fangake\u00f0ja fosf\u00f3rs framlei\u00f0a miki\u00f0 magn af eitru\u00f0um aukaafur\u00f0um, sem munu hafa s\u00edfellt neikv\u00e6\u00f0ari \u00e1hrif \u00e1 loftslagi\u00f0 og r\u00fdra g\u00e6\u00f0i vatnsb\u00f3la. A\u00f0 lokum, innlei\u00f0ing l\u00e1g-inntaks, sj\u00e1lfb\u00e6rra landb\u00fana\u00f0arkerfa, svo sem vistlandb\u00fana\u00f0ar (e. agroecology) hefur mest \u00e1hrif \u00e1 a\u00f0 minnka fosf\u00f3r\u00fe\u00f6rf og draga \u00far neikv\u00e6\u00f0um f\u00e9lags- og umhverfis\u00e1hrifum fosf\u00f3ra\u00f0fangake\u00f0junnar.<\/p>\n

Um doktorsefni\u00f0<\/strong><\/p>\n

Eduard er f\u00e6ddur \u00e1ri\u00f0 1989. Hann er uppalinn \u00ed Busteni, litlum fjallab\u00e6 \u00ed Transsylvan\u00edu-\u00d6lpunum \u00ed R\u00famen\u00edu. Hann hlaut BSc-gr\u00e1\u00f0u \u00ed landfr\u00e6\u00f0i fr\u00e1 Coventry University \u00ed Bretlandi \u00e1ri\u00f0 2012 og MSc-gr\u00e1\u00f0u \u00ed umhverfisv\u00edsindum og stefnum\u00f3tun fr\u00e1 Central European University \u00ed B\u00fadapest \u00ed Ungverjalandi \u00e1ri\u00f0 2014.<\/p>\n

Milli \u00e1ranna 2012-2013 og 2014-2015 starfa\u00f0i Eduard hj\u00e1 CEEweb fyrir l\u00edffr\u00e6\u00f0ilegan fj\u00f6lbreytileika, regnhl\u00edfasamt\u00f6k \u00ed B\u00fadapest sem sinna verkefnum um vernd l\u00edffr\u00e6\u00f0ilegrar fj\u00f6lbreytni \u00ed Mi\u00f0- og Austur-Evr\u00f3pu.<\/p>\n

\u00c1ri\u00f0 2016 h\u00f3f hann a\u00f0 vinna doktorsverkefni sitt, sem hluti af Marie Curie AdaptEconII ranns\u00f3knarteyminu. Hann er n\u00fa varaforseti ERASME Center of Excellence in Sustainability \u00ed Clermont-Ferrand, \u00fear sem hann sinnir ranns\u00f3knum \u00e1 kvikum kerfisl\u00edk\u00f6num og vistlandb\u00fana\u00f0i (e. agroecology).<\/p>\n<\/div><\/div>","protected":false},"featured_media":4972,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_phd_date_start":"2021-02-24T14:00:00+00:00","_phd_date_end":"2021-02-24T16:00:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0arsalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"Alheims a\u00f0fangake\u00f0ja fosf\u00f3rs: \u00c1hrif \u00e1 sj\u00e1lfb\u00e6rni 21. aldarinnar (Global Phosphorus supply chain dynamics: Sustainability implications for the 21st century)","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_umhverfis_og_audlindafraedi_claudiu_eduard_nedelciu","_phd_source_node_id":"373039","_phd_source_type":"vidburdir","_phd_member_id":731,"footnotes":""},"phd_school":[113,93,119],"phd_discipline":[121],"class_list":["post-6208","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-jardvisindadeild","phd_school-verkfraedi-og-natturuvisindasvid","phd_school-thverfraedilegt-framhaldsnam","phd_discipline-phd-i-umhverfis-og-audlindafraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence"}],"about":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/types\/phd_defence"}],"version-history":[{"count":0,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6208\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/4972"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6208"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6208"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}