Browsing Biologisk institutt ( -2012) by Title
Now showing items 243-262 of 406
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Background Effects of polyploidisation on gene flow between natural populations are little known. Central European diploid and tetraploid populations of Arabidopsis arenosa and A. lyrata are here used to ...
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(Master thesis / Masteroppgave, 2008)A new ecological scenario was established in the Oslofjord at beginning of this century, when alien macroalgal species like the invasive Japanese fucoid Sargassum muticum and the red algae Dasya baillouviana were observed ...
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(Master thesis / Masteroppgave, 2010)I denne oppgaven studeres døgnvandringsmønstre og fødebiologi hos nordlig lysprikkfisk (Benthosema glaciale) i Masfjorden (ca. 60052’N, 5024’E), vest i Norge. Hovedmålet var å dokumentere og analysere bakgrunnen for invers ...
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(Master thesis / Masteroppgave, 2009)Cyanobacteria produce a number of bioactive compounds, most of them are oligopeptides. Almost all are known from freshwater species. The aim of this study was to search for marine and brackish water species producing ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)Background During the last 15 years the internal transcribed spacer (ITS) of nuclear DNA has been used as a target for analyzing fungal diversity in environmental samples, and has recently been selected as ...
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(Master thesis / Masteroppgave, 2007)This study was conducted as part of a kelp forest project which aim is to acquire knowledge about biodiversity and productivity in kelp forest areas. The epiphytic algae associated with the stipe of Laminaria hyperborea ...
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(Master thesis / Hovedoppgave, 2006)During three subsequent reproductive seasons with contrasting food availability, the King Penguin Aptenodytes patagonicus responses were monitored in a small colony at Husvik, South Georgia. Observations of metal flipper ...
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Kjønnsforskjeller i risiko for lungekreft: : Karakterisering av østrogenreseptorer og kjernereseptor ko-aktivatorer i human lungeRestricted Access (Master thesis / Masteroppgave, 2010)Lungekreft er den vanligste formen for kreft på verdensbasis og prognosen for overlevelse er fortsatt dårlig. Den viktigste årsaken for utvikling av lungekreft er sigarettrøyking. Andre risikofaktorer kan være arbeidsmiljø, ...
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(Master thesis / Masteroppgave, 2007)Klaretjern er en dimiktisk innsjø som ligger i Aremark kommune i Østfold fylke (59 8' 18'' N og 11 38' 54'' Ø). Innsjøen har ingen innløp, kun tilsig fra nedbørfeltet. Utløpet består av en sildrebekk i nordenden av vannet. ...
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(Master thesis / Masteroppgave, 2011)Globalt er det en stadig økende etterspørsel etter energi. Mest ønskelig er det med bærekraftig og fornybar energi, men lang tid vil sannsynligvis ennå gå før fossile kilder til energi, og da særlig drivstoff, kan erstattes ...
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(Master thesis / Masteroppgave, 2006)Det ble undersøkt sjøpattedyrparasitter og fiskeparasitter i de vanligste fiskeartene i Oslofjorden. 485 individer av fisk ble tatt med garn, ruser, og tråling på 6 stasjoner i Oslofjorden i perioden 29.07.04 – 24.10.05. ...
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(Master thesis / Masteroppgave, 2011)Over the past decades the population of red deer, Cervus elaphus, along the south-west coast of Norway have increased 10 fold in density as evidenced from the harvest statistics. At the same time the abundance of Ixodes ...
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(Master thesis / Masteroppgave, 2009)Abstract The abundance and distribution of Antarctic krill is poorly known for some parts of the Southern Ocean. Recent, and anticipated enhanced interest in krill fisheries highlights the need for precise and reliable ...
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(Master thesis / Masteroppgave, 2011)A population of pied flycatchers was studied to examine learning of song syllables within a single breeding season. Males were separated into neighbor groups based on geographical location and access to experienced, potential ...
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(Master thesis / Masteroppgave, 2006)Flakevatn, a high mountain glacial lake situated in central Norway, has been investigated for annual heat budgets, minerogenic and biogenic silica content of water and sediment. Minerogenic silica content was related to ...
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(Conference object / Konferansebidrag, 2010)
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(Master thesis / Masteroppgave, 2008)
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(Master thesis / Masteroppgave, 2011)Environmental variables and epiphytic lichen flora of 279 deciduous rich bark trees of a boreonemoral rainforest in the oceanic region of Western Norway were studied. The lichen flora from base to breast height of the tree ...
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Lung Carcinogenesis - chemically induced in vitro transformation of human bronchial epithelial cells (Master thesis / Masteroppgave, 2012)Abstract An in vitro premalignant transformation model was established to investigate molecular changes during early lung carcinogenesis. hTERT/Cdk4-immortalized human bronchial epithelial cells (HBECs), harboring few ...
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Lutvann - an unusual Oslo lake : a study of its limnology 2005 - 2006 and of its recent historic developmentRestricted Access (Master thesis / Masteroppgave, 2007)Lutvann lake, a headwater in a forested suburban area of Oslo, Norway, was sampled between February 2005 and June 2006. Phytoplankton, ciliate and zooplankton populations were assessed and the basic chemical parameters of ...