{"id":6066,"date":"2026-10-19T09:48:26","date_gmt":"2026-10-19T09:48:26","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-liffraedi-agnes-katharina-kreiling\/"},"modified":"2026-10-19T09:48:26","modified_gmt":"2026-10-19T09:48:26","slug":"doktorsvorn-i-liffraedi-agnes-katharina-kreiling","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-liffraedi-agnes-katharina-kreiling\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed l\u00edffr\u00e6\u00f0i – Agnes-Katharina Kreiling"},"content":{"rendered":"
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Streymi:\u00a0https:\/\/livestream.com\/hi\/doktorsvornagneskatharinakreiling<\/a><\/p>\n

Doktorsefni:<\/strong>\u00a0Agnes-Katharina Kreiling<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0Fj\u00f6lbreytileiki sm\u00e1d\u00fdra \u00ed ferskvatnslindum \u00e1 \u00cdslandi (Invertebrate diversity in Icelandic freshwater springs)<\/p>\n

Andm\u00e6lendur:<\/strong> Dr. Stefanie von Fumetti, \u00a0rannsakandi vi\u00f0 H\u00e1sk\u00f3lann \u00ed Basel, Sviss
<\/strong>Dr. Benjamin Price, forst\u00f6\u00f0uma\u00f0ur vi\u00f0 Natural History Museum \u00ed London<\/p>\n

Umsj\u00f3narkennari:<\/strong> Dr. Sn\u00e6bj\u00f6rn P\u00e1lsson, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. Bjarni K. Kristj\u00e1nsson, pr\u00f3fessor vi\u00f0 H\u00e1sk\u00f3lann \u00e1 H\u00f3lum<\/p>\n

Einnig \u00ed doktorsnefnd:
<\/strong>Dr. J\u00f3n S. \u00d3lafsson, vatnal\u00edffr\u00e6\u00f0ingur hj\u00e1 Hafranns\u00f3knastofnun
Dr. Eoin J. O\u2019Gorman, lektor vi\u00f0 H\u00e1sk\u00f3lann \u00ed Essex, Bretlandi
Dr. \u00c1rni Einarsson, forst\u00f6\u00f0uma\u00f0ur N\u00e1tt\u00faruranns\u00f3knast\u00f6\u00f0varinnar vi\u00f0 M\u00fdvatn<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Dr. Anna D\u00f3ra S\u00e6\u00fe\u00f3rsd\u00f3ttir, pr\u00f3fessor og deildarforseti L\u00edf- og umhverfisv\u00edsindadeildar H\u00e1sk\u00f3la \u00cdslands<\/p>\n

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

Fj\u00f6lbreytileiki ferskvatnslinda er mikill t.d. hva\u00f0 hita var\u00f0ar, allt fr\u00e1 \u00fev\u00ed a\u00f0 vera mj\u00f6g kaldar og \u00ed sj\u00f3\u00f0andi heitar. \u00der\u00e1tt fyrir \u00feennan fj\u00f6lbreytileika er \u00fe\u00f3 hiti \u00ed hverri og einstakri lind mj\u00f6g st\u00f6\u00f0ugur og hafa breytingar \u00ed lofthita l\u00edtil \u00e1hrif \u00e1 hitastig \u00feeirra. Lindir g\u00e6tu \u00feannig dregi\u00f0 \u00far \u00e1hrifum af h\u00e6kkandi hita og \u00feannig mynda\u00f0 skj\u00f3l, \u00e1 sm\u00e1um skala, fyrir ferskvatnshryggleysingja \u00ed hl\u00fdnandi loftslagi.<\/p>\n

Til \u00feess a\u00f0 skilja betur hva\u00f0a umhverfisbreytur hafa \u00e1hrif \u00e1 fj\u00f6lbreytileika og samf\u00e9lagsger\u00f0ir hryggleysingja \u00fe\u00e1 var framkv\u00e6md umfangsmikil ranns\u00f3kn \u00e1 lindum v\u00ed\u00f0s vegar \u00e1 \u00cdslandi. Vegna flekahreyfinga og mikillar eldvirkni eru st\u00f3rir hlutar landsins n\u00fdlegar bergmyndanir \u00fear sem jar\u00f0hiti er algengur. \u00c1 j\u00f6\u00f0rum gegndr\u00e6pra hrauna m\u00e1 finna mikinn fj\u00f6lda ferskvatnslinda. Lindir eru einnig breytilegar m.t.t. annarra \u00fe\u00e1tta, t.d. h\u00e6\u00f0ar yfir sj\u00e1varm\u00e1li, lindarger\u00f0ar, botnger\u00f0ar og \u00fe\u00e9ttleika gr\u00f3\u00f0urs. Ranns\u00f6ku\u00f0 voru sm\u00e1d\u00fdrasamf\u00e9l\u00f6g \u00ed 49 lindum v\u00ed\u00f0s vegar um landinu. Einnig var fylgst me\u00f0 \u00a0breytingum \u00ed einni lind yfir \u00e1rst\u00edmabil, til a\u00f0 rannsaka st\u00f6\u00f0ugleika sm\u00e1d\u00fdrasamf\u00e9lags.<\/p>\n

Algengasti h\u00f3pur sm\u00e1d\u00fdra \u00ed \u00edslenskum lindum voru rykm\u00fd (Chironomidae, Diptera), \u00fear n\u00e6st skelkrabbar (Ostracoda) og \u00e1rf\u00e6tlur (Copepoda). Einn mikilv\u00e6gasti \u00fe\u00e1tturinn \u00ed a\u00f0 sk\u00fdra uppbyggingu d\u00fdrasamf\u00e9laga \u00ed lindum var hiti og var s\u00e9rstakur d\u00fdrah\u00f3pur einkennandi fyrir heitar lindir. Einnig sk\u00fdr\u00f0u lindarger\u00f0 og landfr\u00e6\u00f0ileg sta\u00f0setning \u00feeirra miki\u00f0 af \u00feeim breytileika sem s\u00e1st \u00ed samf\u00e9lagsger\u00f0um hinna \u00fdmsu linda. Greinilegan breytileika \u00ed samf\u00e9lagsger\u00f0 var a\u00f0 finna milli sumars og veturs og var hann \u00f3tengdur breytingum \u00ed umhverfishitastigi. Hins vegar haf\u00f0i \u00e1rst\u00ed\u00f0amunurinn \u00e1hrif \u00e1 mikilv\u00e6gan afr\u00e6ningja \u00ed \u00feeim samf\u00e9l\u00f6gum, dvergbleikjuna.<\/p>\n

Ni\u00f0urst\u00f6\u00f0ur ranns\u00f3knarinnar gefa uppl\u00fdsingar um vistkerfi linda. Auk \u00feess b\u00e6ta ni\u00f0urst\u00f6\u00f0ur ranns\u00f3knarinnar vi\u00f0 \u00feekkingu okkar \u00e1 vistkerfum ferskvatnslinda sem m.a. ver\u00f0ur h\u00e6gt a\u00f0 n\u00fdta vi\u00f0 hvers kyns n\u00fdtingu og \u00fe.m.t. verndun \u00feessara einst\u00f6ku b\u00fasv\u00e6\u00f0a.\u00a0<\/p>\n

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

Agnes-Katharina Kreiling lauk dipl\u00f3magr\u00e1\u00f0u \u00ed l\u00edffr\u00e6\u00f0i fr\u00e1 Freiburgh\u00e1sk\u00f3la \u00ed \u00de\u00fdskalandi \u00e1ri\u00f0 2013. H\u00fan starfar n\u00fa hj\u00e1 Hafranns\u00f3knastofnun. Agnes-Katharina b\u00fdr \u00ed K\u00f3pavogi og er gift Leivi Janusi Hansen.<\/p>\n<\/div><\/div>","protected":false},"featured_media":1717,"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":"2020-10-19T14:00:00+00:00","_phd_date_end":"2020-10-19T16:00:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0arsalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"Fj\u00f6lbreytileiki sm\u00e1d\u00fdra \u00ed ferskvatnslindum \u00e1 \u00cdslandi (Invertebrate diversity in Icelandic freshwater springs)","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_liffraedi_agnes_katharina_kreiling","_phd_source_node_id":"367803","_phd_source_type":"vidburdir","_phd_member_id":410,"footnotes":""},"phd_school":[96,93],"phd_discipline":[97],"class_list":["post-6066","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-lif-og-umhverfisvisindadeild","phd_school-verkfraedi-og-natturuvisindasvid","phd_discipline-phd-i-liffraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6066","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\/6066\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/1717"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6066"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6066"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}