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1

Changes in forest understorey vegetation in Norway related to long-term soil acidification and climatic change

Økland, Tonje, Bakkestuen, Vegar, Økland, Rune Halvorsen, Eilertsen, Odd

Journal:

Journal of Vegetation Science

Year:

2004

Language:

english

File:

PDF, 280 KB

english, 2004

2

Population biology of the clonal moss Hylocomium splendens in Norwegian boreal spruce forests. 5. Vertical dynamics of individual shoot segments

Rune Halvorsen Økland

Journal:

Year:

2000

Language:

english

File:

PDF, 546 KB

english, 2000

3

Fatal interactions between Scots pine and Sphagnum mosses in bog ecosystems

Mikael Ohlson, Rune Halvorsen Økland, Jørn-Frode Nordbakken, Barbro Dahlberg

Journal:

Year:

2001

Language:

english

File:

PDF, 887 KB

english, 2001

4

Wise use of statistical tools in ecological field studies

Rune Halvorsen Økland

Journal:

Folia Geobotanica

Year:

2007

Language:

english

File:

PDF, 1.23 MB

english, 2007

5

Fine-scale spatial patterns in populations of the clonal moss Hylocomium splendens partly reflect structuring processes in the boreal forest floor

Rune Halvorsen Økland, Vegar Bakkestuen

Journal:

Year:

2004

Language:

english

File:

PDF, 114 KB

english, 2004

6

Relative importance of host tree species and environmental gradients for epiphytic species composition, exemplified by pyrenomycetes s. lat. (Ascomycota) on Salix in central north Scandinavia

Geir Mathiassen, Rune Halvorsen Økland

Journal:

Year:

2007

Language:

english

File:

PDF, 262 KB

english, 2007

7

Effects of fertilization on understorey vegetation in a Norwegian Pinus sylvestris forest

Astrid Skrindo, Rune Halvorsen Økland

Journal:

Applied Vegetation Science

Year:

2002

Language:

english

File:

PDF, 119 KB

english, 2002

8

IAVS NEWS

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1994

Language:

english

File:

PDF, 152 KB

english, 1994

9

Species response curves along environmental gradients. A case study from SE Norwegian swamp forests

Knut Rydgren, Rune Halvorsen Økland, Tonje Økland

Journal:

Journal of Vegetation Science

Year:

2003

Language:

english

File:

PDF, 111 KB

english, 2003

10

Partitioning the variation in a plot-by-species data matrix that is related to n sets of explanatory variables

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

2003

Language:

english

File:

PDF, 193 KB

english, 2003

11

Changes in forest understorey vegetation in Norway related to long-term soil acidification and climatic change

Tonje Økland, Vegar Bakkestuen, Rune Halvorsen Økland, Odd Eilertsen

Journal:

Journal of Vegetation Science

Year:

2004

Language:

english

File:

PDF, 277 KB

english, 2004

12

The charcoal carbon pool in boreal forest soils

Ohlson, Mikael, Dahlberg, Barbro, Økland, Tonje, Brown, Kendrick J., Halvorsen, Rune

Journal:

Nature Geoscience

Year:

2009

Language:

english

File:

PDF, 687 KB

english, 2009

13

Element concentrations in the boreal forest moss Hylocomium splendens: variation related to gradients in vegetation and local environmental factors

Tonje Økland, Rune Halvorsen Økland, Eiliv Steinnes

Journal:

Year:

1999

Language:

english

File:

PDF, 108 KB

english, 1999

14

Canonical Correspondence Analysis with Variation Partitioning: Some Comments and an Application

Rune Halvorsen Økland and Odd Eilertsen

Journal:

Journal of Vegetation Science

Year:

1994

Language:

english

File:

PDF, 61 KB

english, 1994

15

Are Ordination and Constrained Ordination Alternative or Complementary Strategies in General Ecological Studies?

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1996

Language:

english

File:

PDF, 362 KB

english, 1996

16

Dynamics of Understory Vegetation in an Old-Growth Boreal Coniferous Forest, 1988 - 1993

Rune Halvorsen Økland and Odd Eilertsen

Journal:

Journal of Vegetation Science

Year:

1996

Language:

english

File:

PDF, 105 KB

english, 1996

17

On the Variation Explained by Ordination and Constrained Ordination Axes

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1999

Language:

english

File:

PDF, 29 KB

english, 1999

18

Understorey vegetation development in North Finnish Picea forests after disturbance: re-analysis of Sirén's data

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

2000

Language:

english

File:

PDF, 115 KB

english, 2000

19

Patterns of variation in vascular plant species richness and composition in SE Norwegian agricultural landscapes

Harald Bratli, Tonje Økland, Rune Halvorsen Økland, Wenche E. Dramstad, Reidar Elven, Gunnar Engan, Wendy Fjellstad, Einar Heegaard, Oddvar Pedersen, Heidi Solstad

Journal:

Agriculture, Ecosystems & Environment

Year:

2006

Language:

english

File:

PDF, 502 KB

english, 2006

20

Reseating of ecological gradients. III. The effect of scale and niche breath measurements

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1986

Language:

english

File:

PDF, 621 KB

english, 1986

21

Rescaling of ecological gradients. I. Calculation of ecological distance between vegetation stands by means of their floristic composition

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1986

Language:

english

File:

PDF, 946 KB

english, 1986

22

Reseating of ecological gradients. II. The effect of scale on symmetry of species response curves

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1986

Language:

english

File:

PDF, 536 KB

english, 1986

23

White, J. (ed.) 1985. The population structure of vegetation — Handbook of Vegetation science

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1987

Language:

english

File:

PDF, 83 KB

english, 1987

24

Leemans, R., Prentice, I. C. & van der Maarel, E. (eds) 1985. Theory and models in vegetation science: Abstracts. — Studies in Plant Ecology

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1987

Language:

english

File:

PDF, 137 KB

english, 1987

25

A phytoecological study of the mire Northern Kisselbergmosen, SE Norway. II. Identification of gradients by detrended (canonical) correspondence analysis

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1990

Language:

english

File:

PDF, 2.26 MB

english, 1990

26

Changes in the occurrence and abundance of plant species in a Norwegian boreal coniferous forest, 1988–1993

Rune Halvorsen Økland

Journal:

Nordic Journal of Botany

Year:

1995

Language:

english

File:

PDF, 1.75 MB

english, 1995

27

Variation in plant species composition in and adjacent to 64 ponds in SE Norwegian agricultural landscapes

Anette Edvardsen, Rune Halvorsen Økland

Journal:

Year:

2006

Language:

english

File:

PDF, 366 KB

english, 2006

28

Variation in plant species richness in and adjacent to 64 ponds in SE Norwegian agricultural landscapes

Anette Edvardsen, Rune Halvorsen Økland

Journal:

Year:

2006

Language:

english

File:

PDF, 422 KB

english, 2006

29

Variation in environmental conditions, understorey species number, abundance and composition among natural and managed Picea abies forest stands

Tonje Økland, Knut Rydgren, Rune Halvorsen Økland, Ken Olaf Storaunet, Jørund Rolstad

Journal:

Forest Ecology and Management

Year:

2003

Language:

english

File:

PDF, 298 KB

english, 2003

30

Patterns of Bryophyte Associations at Different Scales in a Norwegian Boreal Spruce Forest

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1994

Language:

english

File:

PDF, 62 KB

english, 1994

31

Studies in SE Fennoscandian mires: relevance to ecological theory

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1992

Language:

english

File:

PDF, 28 KB

english, 1992

32

SPATIAL VARIATION IN RATES OF CARBON AND NITROGEN ACCUMULATION IN A BOREAL BOG

Ohlson, Mikael, Halvorsen Økland, Rune

Journal:

Year:

1998

Language:

english

File:

PDF, 277 KB

english, 1998

33

Single-Tree Influence on Understorey Vegetation in a Norwegian Boreal Spruce Forest

Rune Halvorsen Økland, Knut Rydgren and Tonje Økland

Journal:

Year:

1999

Language:

english

File:

PDF, 1.58 MB

english, 1999

34

Bryophyte and Lichen Persistence Patterns in a Norwegian Boreal Coniferous Forest

Rune Halvorsen Økland

Journal:

Year:

1994

Language:

english

File:

PDF, 2.15 MB

english, 1994

35

Wise Use of Statistical Tools in Ecological Field Studies

Rune Halvorsen Økland

Journal:

Folia Geobotanica

Year:

2007

Language:

english

File:

PDF, 1.90 MB

english, 2007

36

Population Biology of the Clonal Moss Hylocomium splendens in Norwegian Boreal Spruce Forests. III. Six-Year Demographic Variation in Two Areas

Rune Halvorsen Økland

Journal:

Year:

1997

Language:

english

File:

PDF, 3.17 MB

english, 1997

37

Sporophyte production in the clonal moss Hylocomium splendens: the importance of shoot density

Rydgren, Knut, Økland, Rune Halvorsen

Journal:

Journal of Bryology

Year:

2001

Language:

english

File:

PDF, 720 KB

english, 2001

38

Relative importance of host tree species and environmental gradients for epiphytic species composition, exemplified by pyrenomycetes s. lat. (Ascomycota) on Salix in central north Scandinavia

Mathiassen, Geir, Halvorsen Økland, Rune

Journal:

Year:

2007

Language:

english

File:

PDF, 268 KB

english, 2007

39

Effects of fertilization on understorey vegetation in a Norwegian Pinus sylvestris forest

Skrindo, Astrid, Økland, Rune Halvorsen

Journal:

Applied Vegetation Science

Year:

2002

Language:

english

File:

PDF, 125 KB

english, 2002

40

Effects of Fertilization on Understorey Vegetation in a Norwegian Pinus sylvestris Forest

Astrid Skrindo and Rune Halvorsen Økland

Journal:

Applied Vegetation Science

Year:

2002

Language:

english

File:

PDF, 1.25 MB

english, 2002

41

Plant Species Composition of Boreal Spruce Swamp Forests: Closed Doors and Windows of Opportunity

Rune Halvorsen Økland, Knut Rydgren and Tonje Økland

Journal:

Year:

2003

File:

PDF, 2.13 MB

2003

42

Plant Species Composition of Boreal Spruce Swamp Forests: Closed Doors and Windows of Opportunity

Rune Halvorsen Økland, Knut Rydgren and Tonje Økland

Journal:

Year:

2003

Language:

english

File:

PDF, 2.13 MB

english, 2003

43

Element concentrations in the boreal forest moss, Hylocomium splendens : variation due to segment size, branching patterns and pigmentation

ØKland, Rune Halvorsen, Steinnes, Eiliv, ØKland, Tonje

Journal:

Journal of Bryology

Year:

1997

Language:

english

File:

PDF, 575 KB

english, 1997

44

Eilif Dahl 1916-1993

Rune Halvorsen Økland

Journal:

Journal of Vegetation Science

Year:

1994

Language:

english

File:

PDF, 228 KB

english, 1994

45

Population Biology of the Clonal Moss Hylocomium splendens in Norwegian Boreal Spruce Forests. 4. Effects of Experimental Fine-Scale Disturbance

Knut Rydgren, Rune Halvorsen Økland and Tonje Økland

Journal:

Year:

1998

Language:

english

File:

PDF, 920 KB

english, 1998

46

Age-Depth Relationships in Scandinavian Surface Peat: A Quantitative Analysis

Rune Halvorsen Økland and Mikael Ohlson

Journal:

Year:

1998

Language:

english

File:

PDF, 1.25 MB

english, 1998

47

Persistence of Vascular Plants in a Norwegian Boreal Coniferous Forest

Rune Halvorsen Økland

Journal:

Year:

1995

Language:

english

File:

PDF, 2.09 MB

english, 1995

48

Fine-Scale Spatial Patterns in Populations of the Clonal Moss Hylocomium splendens Partly Reflect Structuring Processes in the Boreal Forest Floor

Rune Halvorsen Økland and Vegar Bakkestuen

Journal:

Year:

2004

Language:

english

File:

PDF, 1.75 MB

english, 2004

49

Relative Importance of Host Tree Species and Environmental Gradients for Epiphytic Species Composition, Exemplified by Pyrenomycetes s. lat. (Ascomycota) on Salix in Central North Scandinavia

Geir Mathiassen and Rune Halvorsen Økland

Journal:

Year:

2007

Language:

english

File:

PDF, 1.94 MB

english, 2007

50

Population Biology of the Clonal Moss Hylocomium splendens in Norwegian Boreal Spruce Forests. 5. Vertical Dynamics of Individual Shoot Segments

Rune Halvorsen Økland

Journal:

Year:

2000

Language:

english

File:

PDF, 1.08 MB

english, 2000

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