Search Results - "Okland, R.H"

On the variation explained by ordination and constrained ordination axes by Okland, R.H

“…Total inertia (TI), the sum of eigenvalues for all ordination axes, is often used as a measure of total variation in a data set. By use of simulated data sets,…”
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Influence of historical, geographical and environmental variables on understorey composition and richness in Danish forests by Graae, B.J., Økland, R.H., Petersen, P.M., Jensen, K., Fritzbøger, B.

“…: Question: What is the relative influence of forest continuity, environmental differences and geographical context on vegetation and species richness in…”
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Disturbance severity and community resilience in a boreal forest by Rydgren, K., Økland, R. H., Hestmark, G.

“…We studied the resilience of southeastern Norwegian old-growth Picea abies forest floor vegetation to experimental disturbance. Five treatments, differing in…”
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Changes in forest understorey vegetation in Norway related to long-term soil acidification and climatic change by Økland, Tonje, Bakkestuen, Vegar, Økland, Rune Halvorsen, Eilertsen, Odd

“…Question: Does the understorey vegetation of Norwegian boreal forests change in relation to broad-scale, long-term changes? Location: Norway. Methods:…”
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Patterns of variation in vascular plant species richness and composition in SE Norwegian agricultural landscapes by Bratli, Harald, Økland, Tonje, Økland, Rune Halvorsen, Dramstad, Wenche E., Elven, Reidar, Engan, Gunnar, Fjellstad, Wendy, Heegaard, Einar, Pedersen, Oddvar, Solstad, Heidi

“…Plant species richness and composition were studied in 16 1 km 2 agricultural landscape plots in SE Norway, in which a total of 2201 patches of 18 types…”
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Revegetation following experimental disturbance in a boreal old-growth Picea abies forest by Rydgren, Knut, Hestmark, Geir, Økland, Rune H.

“…We studied revegetation patterns after experimental fine-scale disturbance (e.g. uprooting) in an old-growth Picea abies forest in southeastern Norway. An…”
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Demography and population dynamics of Drosera anglica and D. rotundifolia by Nordbakken, J.F, Rydgren, K, Okland, R.H

“…1. We studied demography and population dynamics of the sympatric perennial herbs Drosera anglica and D. rotundifolia on a boreal bog in SE Norway. Dry mass of…”
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Effects of Fine-Scale Disturbances on the Demography and Population Dynamics of the Clonal Moss Hylocomium splendens by Rydgren, Knut, de Kroon, Hans, Økland, Rune H., van Groenendael, Jan

“…1 The boreal forest is subject to disturbance but the effects on population dynamics are poorly understood. We investigated how a prominent species of the…”
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Spatial variation in rates of carbon and nitrogen accumulation in a boreal bog by Ohlson, M. (Agricultural University of Norway, As, Norway.), Okland, R.H

“…Although previous studies hint at the occurrence of substantial spatial variation in the accumulation rates of C and N in bogs, the extent to which rates may…”
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Scale-dependence of vegetation-environment relationships in semi-natural grasslands by Auestad, Inger, Rydgren, Knut, Økland, Rune H.

“…Questions: Which environmental and management factors determine plant species composition in semi-natural grasslands within a local study area? Are vegetation…”
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Influence of historical, geographical and environmental variables on understorey composition and richness in Danish forests by Graae, B. J, Økland, R. H, Petersen, P. M, Jensen, K, Fritzbøger, B

“…Question: What is the relative influence of forest continuity, environmental differences and geographical context on vegetation and species richness in ancient…”
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Eilif Dahl 1916-1993 by Okland, R.H

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Species richness in boreal swamp forests of SE Norway: The role of surface microtopography by Økland, Rune H, Rydgren, Knut, Økland, Tonje

“…Question: What is the relative importance of environmental gradients and surface microtopography (variation in vertical level within sampling units) for…”
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Moss species beneftis from breakdown of cyclic rodent dynamics in boreal forests by Rydgren, K, Økland, R.H, Picó, F.X, Kroon, H. de

“…Bryophytes have increased in abundance in northern regions, and climate changes have been proposed to account for this change. However, changes in the…”
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Do vine species in neotropical forests see the forest or the trees? by Nesheim, Ingrid, Økland, Rune H

“…Questions: Is the occurrence of vine species in neotropical rain forests primarily determined by properties of the forest (environmental factors), by…”
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Bryophyte and lichen persistence patterns in a Norwegian boreal coniferous forest by Okland, R.H

“…Persistence, the tendency of a species to remain in its original position and not to colonize new sites, is studied for 36 bryophyte species in spruce forest…”
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