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Dive into the research topics where Marianne Evju is active.

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Featured researches published by Marianne Evju.


Folia Geobotanica | 2011

Do Clonal and Bud Bank Traits Vary in Correspondence with Soil Properties and Resource Acquisition Strategies? Patterns in Alpine Communities in the Scandian Mountains

Graciela M. Rusch; Bodil Wilmann; Jitka Klimešová; Marianne Evju

Plant traits associated with resource acquisition strategies (specific leaf area (SLA), leaf dry matter content (LDMC), leaf size and plant height) change along gradients of soil properties, being the most conservative in a resource-poor environment and the most dynamic in a resource-rich environment. Clonal attributes also vary along soil and other environmental conditions. We hypothesized that in alpine communities in the Scandian Mts. (1) the average composition of traits in a plant assemblage in terms of i) the predominance of different clonal growth organ types, ii) the number of buds in the bud bank, iii) the distribution of the bud-bank (above- and below ground), iv) the distance of lateral spread and v) the longevity of plant – offspring connections would change along a gradient of soil properties and (2) that this variation would be in correspondence with that of traits associated with resource acquisition strategies (SLA, LDMC, leaf size and plant height). Analysis of clonal and bud bank traits for species of alpine communities supported our first hypothesis: with decreasing soil quality the most common clonal growth organs were rhizomes, and there was a predominance of perennial bud banks located at the soil surface or below-ground, low rates of lateral spread and long persistence of plant – offspring connections. Our second hypothesis was partly supported. As predicted, at the level of the plant assemblage, these clonal and bud bank traits were positively associated with LDMC, and negatively with leaf size and plant height. These observations reinforce the hypotheses about trade-offs between acquisition and retention strategies in plants. The only result that was in contradiction with our expectations was the lack of correspondence between clonal and bud bank traits and SLA that could be attributed to errors associated to the measurement of the area of narrow and small leaves or to the dependence of the SLA index on species-specific morphological attributes.


Journal of Vegetation Science | 2014

Rodent population dynamics affect seedling recruitment in alpine habitats

Kristin Odden Nystuen; Marianne Evju; Graciela Rusch; Bente J. Graae; Nina Elisabeth Eide


97 s. | 2013

Kunnskapssammenstilling for flora og vegetasjon i nasjonalparkene Nordvest-Spitsbergen, Forlandet og Sør-Spitsbergen på Svalbard

Kristine Bakke Westergaard; Dagmar Hagen; Stefan Blumentrath; Marianne Evju


79 | 2018

Sårbarhetsvurdering av utvalgte lokaliteter i Femundsmarka nasjonalpark. Røavassdraget, Grøtådalen og Valdalsfjellet

Marianne Evju; Nina E. Eide; Vegard Gundersen; Lars Rød-Eriksen


71 | 2018

Sårbarhetsvurdering av utvalgte lokaliteter i Sølen landskapsvernområde. Stier fra innfallsportene Gravåsen, Sølenstua og Mefurua.

Marianne Evju; Bård G. Stokke; Vegard Gundersen; Lars Rød-Eriksen


57 | 2018

Vurdering av kor sårbare utvalde lokalitetar i Jostedalsbreen nasjonalpark er for ferdsel. Austerdalen, Langedalen og Krundalen-Tuftebreen

Marianne Evju; Nina E. Eide; Odd Inge Vistad; Lars Rød-Eriksen


50 s. | 2018

Brukerundersøkelse og sårbarhetsvurdering i Jutulhogget naturreservat

Line Camilla Wold; Vegard Gundersen; Marianne Evju; Lars Rød-Eriksen


2 s. | 2017

Insekter er viktig for bærproduksjonen hos blåbær

Siri Lie Olsen; Jørn Olav Løkken; Marianne Evju; Jonas Åström; Sondre Dahle; Nina E. Eide


80 s. + vedlegg | 2016

Sårbarhetsvurdering av to innfallsporter til Rondane nasjonalpark: Høvringen og Mysusæter

Vegard Gundersen; Dagmar Hagen; Marianne Evju; Lars Rød-Eriksen; Nina E. Eide; Kirstin Fangel; Olav Strand; Odd Inge Vistad


50 s. | 2016

Effekt av sykling og ridning på vegetasjon langs stier. Resultater fra en feltstudie

Dagmar Hagen; Marianne Evju; Siri Lie Olsen; Oddgeir Andersen; Odd Inge Vistad

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Nina E. Eide

Norwegian Polar Institute

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Siri Lie Olsen

Norwegian University of Life Sciences

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Jitka Klimešová

Academy of Sciences of the Czech Republic

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Bente J. Graae

Norwegian University of Science and Technology

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Kristin Odden Nystuen

Norwegian University of Science and Technology

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Olav Strand

Norwegian Polar Institute

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