{"id":54882,"date":"2025-12-16T09:42:26","date_gmt":"2025-12-16T09:42:26","guid":{"rendered":"https:\/\/matis.is\/?p=54882"},"modified":"2026-01-14T10:52:28","modified_gmt":"2026-01-14T10:52:28","slug":"doktorsvorn-i-matvaelafraedi-clara-maria-vasquez-mejia","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/frettir\/doktorsvorn-i-matvaelafraedi-clara-maria-vasquez-mejia\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed matv\u00e6lafr\u00e6\u00f0i \u2013 Clara Maria Vasquez Mejia"},"content":{"rendered":"<p>\u00deri\u00f0judaginn 16. desember 2025 var\u00f0i Clara Maria Vasquez-Mejia doktorsritger\u00f0 s\u00edna \u00ed matv\u00e6lafr\u00e6\u00f0i vi\u00f0 Matv\u00e6la- og n\u00e6ringarfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands. Ritger\u00f0in ber heiti\u00f0: Umhverfis\u00e1hrif eldis \u00e1 Atlantshafslaxi \u00e1 \u00cdslandi, me\u00f0 \u00e1herslu \u00e1 vatnsskortsf\u00f3tspor. Environmental impacts of Atlantic salmon aquaculture in Iceland, with focus on water scarcity footprint. <br><br>Andm\u00e6lendur voru dr. Alexis Laurent, pr\u00f3fessor vi\u00f0 Danmarks Tekniske Universitet, DTU, og dr. Giacomo Falcone, d\u00f3sent vi\u00f0 Universita Mediterranea di Reggio Calabria. <br><br>Umsj\u00f3narkennarar og lei\u00f0beinendur voru \u00d3lafur \u00d6gmundarson og Mar\u00eda Gu\u00f0j\u00f3nsd\u00f3ttir. Auk \u00feeirra s\u00e1tu \u00ed doktorsnefnd Alessandro Manzardo, d\u00f3sent og Hildur Inga Sveinsd\u00f3ttir, lektor. <br><br>Ingibj\u00f6rg Gunnarsd\u00f3ttir, pr\u00f3fessor og varadeildarforseti Matv\u00e6la- og n\u00e6ringarfr\u00e6\u00f0ideildar, stj\u00f3rna\u00f0i ath\u00f6fninni sem f\u00f3r fram \u00ed H\u00e1t\u00ed\u00f0asal H\u00e1sk\u00f3la \u00cdslands. <br><br><strong>Abstract<\/strong> <br><br>Fiskeldi gegnir s\u00edfellt mikilv\u00e6gara hlutverki \u00ed al\u00fej\u00f3\u00f0legu f\u00e6\u00f0u\u00f6ryggi. S\u00e9rstaklega hefur eldi \u00e1 laxi vaxi\u00f0 hratt \u00e1 \u00cdslandi, me\u00f0al annars vegna a\u00f0gengis a\u00f0 hreinu vatni og endurn\u00fdjanlegri orku. \u00cd \u00feessari doktorsranns\u00f3kn var vistferilsgreiningu (Life Cycle Assessment, LCA) beitt til a\u00f0 meta umhverfis\u00e1hrif \u00edslensks laxeldis, me\u00f0 s\u00e9rstakri \u00e1herslu \u00e1 vatnsskort og kolefnisspor \u00ed gegnum alla vir\u00f0iske\u00f0juna. Ranns\u00f3knin samanst\u00f3\u00f0 af \u00feremur v\u00edsindagreinum. S\u00fa fyrsta var kerfisbundin yfirlitsgrein \u00e1 LCA-ranns\u00f3knum \u00e1 fiskeldi me\u00f0 \u00e1herslu \u00e1 magnbundna vatnsnotkun. \u00cd annarri greininni var vistferilsgreiningu beitt fr\u00e1 v\u00f6ggu til eldisst\u00f6\u00f0var \u00e1 landeldi \u00e1 laxi \u00e1 \u00cdslandi, \u00fear sem \u00e1hrif raforkubl\u00f6ndu voru k\u00f6nnu\u00f0 \u00e1samt m\u00f6gulegum umhverfislegum \u00e1vinningi af n\u00fdtingu \u00fargangs fr\u00e1 fiskeldi sem \u00e1bur\u00f0 var metinn \u00fat fr\u00e1 \u00e1 innihaldi hans af k\u00f6fnunarefni, fosf\u00f3r og kal\u00edum (NPK). \u00cd \u00feri\u00f0ju greininni var a\u00f0 lokum beitt landsv\u00edslegri greiningu \u00fear sem innbyggt vatns- og kolefnisspor f\u00f3\u00f0urhr\u00e1efna sem notu\u00f0 eru \u00ed land- og sj\u00f3eldi \u00e1 laxi var bori\u00f0 saman, me\u00f0 tilliti til rekjanleika hr\u00e1efna til upprunalanda \u00feeirra. Ni\u00f0urst\u00f6\u00f0urnar s\u00fdna a\u00f0 \u00fe\u00f3tt \u00cdsland nj\u00f3ti g\u00f3\u00f0s af endurn\u00fdjanlegri orku og gn\u00e6g\u00f0 ferskvatns leggur fiskeldisi\u00f0na\u00f0urinn \u00f3beint umhverfis\u00e1lag \u00e1 \u00f6nnur l\u00f6nd \u00ed gegnum framlei\u00f0slu og innflutningi \u00e1 f\u00f3\u00f0ri fr\u00e1 \u00f6\u00f0rum l\u00f6ndum. Ranns\u00f3knin undirstrikar mikilv\u00e6gi \u00feess a\u00f0 velja sj\u00e1lfb\u00e6rari innihaldsefni f\u00f3\u00f0urs og \u00feess a\u00f0 taka vatnsskort og tengd umhverfis\u00e1hrif me\u00f0 \u00ed reikninginn vi\u00f0 \u00fer\u00f3un framt\u00ed\u00f0arfiskeldis \u00e1 \u00cdslandi.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00deri\u00f0judaginn 16. desember 2025 var\u00f0i Clara Maria Vasquez-Mejia doktorsritger\u00f0 s\u00edna \u00ed matv\u00e6lafr\u00e6\u00f0i vi\u00f0 Matv\u00e6la- og n\u00e6ringarfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands. Ritger\u00f0in ber [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":56196,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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":"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":"","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-4)","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-4)","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-4)","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":""}},"footnotes":""},"categories":[1973],"tags":[],"class_list":["post-54882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-frettir"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Doktorsv\u00f6rn \u00ed matv\u00e6lafr\u00e6\u00f0i \u2013 Clara Maria Vasquez Mejia - Mat\u00eds<\/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:\/\/matis.is\/en\/frettir\/doktorsvorn-i-matvaelafraedi-clara-maria-vasquez-mejia\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Doktorsv\u00f6rn \u00ed matv\u00e6lafr\u00e6\u00f0i \u2013 Clara Maria Vasquez Mejia - Mat\u00eds\" \/>\n<meta property=\"og:description\" content=\"\u00deri\u00f0judaginn 16. desember 2025 var\u00f0i Clara Maria Vasquez-Mejia doktorsritger\u00f0 s\u00edna \u00ed matv\u00e6lafr\u00e6\u00f0i vi\u00f0 Matv\u00e6la- og n\u00e6ringarfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands. 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