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1

The Norwegian Nature Index – conceptual framework and methodology

Skarpaas, Olav, Certain, Grégoire, Nybø, Signe

Journal:

Norsk Geografisk Tidsskrift / Norwegian Journal of Geography

Year:

2012

Language:

english

File:

PDF, 336 KB

english, 2012

2

Optimal management strategies to control local population growth or population spread may not be the same

Shea, Katriona, Jongejans, Eelke, Skarpaas, Olav, Kelly, Dave, Sheppard, Andy W.

Journal:

Ecological Applications

Year:

2010

Language:

english

File:

PDF, 342 KB

english, 2010

3

Diaspore ecology of Mertensia maritima: effects of physical treatments and their relative timing on dispersal and germination

Olav Skarpaas, Odd E. Stabbetorp

Journal:

Year:

2001

Language:

english

File:

PDF, 149 KB

english, 2001

4

Threshold facilitations of interacting species

Bjørn Økland, Olav Skarpaas, Kyrre Kausrud

Journal:

Population Ecology

Year:

2009

Language:

english

File:

PDF, 797 KB

english, 2009

5

Establishment and spread of founding populations of an invasive thistle: the role of competition and seed limitation

Eelke Jongejans, Olav Skarpaas, Philip W. Tipping, Katriona Shea

Journal:

Biological Invasions

Year:

2007

Language:

english

File:

PDF, 220 KB

english, 2007

6

Inter-species interactions and ecosystem effects of non-indigenous invasive and native tree-killing bark beetles

Bjørn Økland, Nadir Erbilgin, Olav Skarpaas, Erik Christiansen, Bo Långström

Journal:

Biological Invasions

Year:

2011

Language:

english

File:

PDF, 366 KB

english, 2011

7

Hollow oaks and beetle conservation: the significance of the surroundings

Anne Sverdrup-Thygeson, Olav Skarpaas, Frode Ødegaard

Journal:

Biodiversity and Conservation

Year:

2010

Language:

english

File:

PDF, 330 KB

english, 2010

8

Are the best dispersers the best colonizers? Seed mass, dispersal and establishment inCarduusthistles

Olav Skarpaas, Edward J. Silverman, Eelke Jongejans, Katriona Shea

Journal:

Evolutionary Ecology

Year:

2011

Language:

english

File:

PDF, 501 KB

english, 2011

9

Measuring plant dispersal: an introduction to field methods and experimental design

James M. Bullock, Katriona Shea, Olav Skarpaas

Journal:

Year:

2006

Language:

english

File:

PDF, 486 KB

english, 2006

10

How far can a hawk's beard fly? Measuring and modelling the dispersal of Crepis praemorsa

OLAV SKARPAAS, ODD E. STABBETORP, INGEBORG RØNNING, THOMAS O. SVENNUNGSEN

Journal:

Journal of Ecology

Year:

2004

Language:

english

File:

PDF, 158 KB

english, 2004

11

Acidity versus habitat structure as regulators of littoral microcrustacean assemblages

BJØRN WALSENG, NORMAN D. YAN, TREVOR W. PAWSON, OLAV SKARPAAS

Journal:

Freshwater Biology

Year:

2008

Language:

english

File:

PDF, 165 KB

english, 2008

12

Optimizing dispersal study design by Monte Carlo simulation

OLAV SKARPAAS, KATRIONA SHEA, JAMES M. BULLOCK

Journal:

Journal of Applied Ecology

Year:

2005

Language:

english

File:

PDF, 236 KB

english, 2005

13

Timber import and the risk of forest pest introductions

Olav Skarpaas, Bjørn Økland

Journal:

Journal of Applied Ecology

Year:

2009

Language:

english

File:

PDF, 668 KB

english, 2009

14

Dispersal and demography contributions to population spread of Carduus nutans in its native and invaded ranges

Eelke Jongejans, Katriona Shea, Olav Skarpaas, Dave Kelly, Andy W. Sheppard, Tim L. Woodburn

Journal:

Journal of Ecology

Year:

2008

Language:

english

File:

PDF, 600 KB

english, 2008

15

Population dynamics in changing environments: the case of an eruptive forest pest species

Kyrre Kausrud, Bjørn Økland, Olav Skarpaas, Jean-Claude Grégoire, Nadir Erbilgin, Nils Chr. Stenseth

Journal:

Biological Reviews

Year:

2012

Language:

english

File:

PDF, 758 KB

english, 2012

16

Population Viability Analysis with Species Occurrence Data from Museum Collections

OLAV SKARPAAS, ODD E. STABBETORP

Journal:

Conservation Biology

Year:

2011

Language:

english

File:

PDF, 600 KB

english, 2011

17

Is Eradication of the Pinewood Nematode (Bursaphelenchus xylophilus) Likely? An Evaluation of Current Contingency Plans

Bjørn Økland, Olav Skarpaas, Martin Schroeder, Christer Magnusson, Åke Lindelöw, Karl Thunes

Journal:

Year:

2010

Language:

english

File:

PDF, 430 KB

english, 2010

18

Predicting hotspots for red-listed species: multivariate regression models for oak-associated beetles

OLAV SKARPAAS, OLA H. DISERUD, ANNE SVERDRUP-THYGESON, FRODE ØDEGAARD

Journal:

Insect Conservation and Diversity

Year:

2011

Language:

english

File:

PDF, 140 KB

english, 2011

19

Modeling alpine plant distributions at the landscape scale: Do biotic interactions matter?

Eric Meineri, Olav Skarpaas, Vigdis Vandvik

Journal:

Ecological Modelling

Year:

2012

Language:

english

File:

PDF, 1.70 MB

english, 2012

20

Dispersal, demography and spatial population models for conservation and control management

Eelke Jongejans, Olav Skarpaas, Katriona Shea

Journal:

Perspectives in Plant Ecology, Evolution and Systematics

Year:

2008

Language:

english

File:

PDF, 337 KB

english, 2008

21

Genetic variation and biogeography of Mertensia maritima (Boraginaceae)

Olav Skarpaas, Reidar Elven, Inger Nordal

Journal:

Nordic Journal of Botany

Year:

2004

Language:

english

File:

PDF, 828 KB

english, 2004

22

Watch your time step: trapping and tracking dispersal in autocorrelated environments

Olav Skarpaas, Katriona Shea, Eelke Jongejans

Journal:

Methods in Ecology and Evolution

Year:

2011

Language:

english

File:

PDF, 398 KB

english, 2011

23

Measuring Plant Dispersal: An Introduction to Field Methods and Experimental Design

James M. Bullock, Katriona Shea and Olav Skarpaas

Journal:

Year:

2006

Language:

english

File:

PDF, 2.84 MB

english, 2006

24

Direct and size-dependent effects of climate on flowering performance in alpine and lowland herbaceous species

Meineri, Eric, Skarpaas, Olav, Spindelböck, Joachim, Bargmann, Tessa, Vandvik, Vigdis, Prober, Suzanne

Journal:

Journal of Vegetation Science

Year:

2014

Language:

english

File:

PDF, 538 KB

english, 2014

25

Seed Release by Invasive Thistles: The Impact of Plant and Environmental Factors

Eelke Jongejans, Nicholas M. Pedatella, Katriona Shea, Olav Skarpaas and Richard Auhl

Journal:

Proceedings Biological Sciences

Year:

2007

Language:

english

File:

PDF, 1.30 MB

english, 2007

26

Environmental Variability and the Initiation of Dispersal: Turbulence Strongly Increases Seed Release

Olav Skarpaas, Richard Auhl and Katriona Shea

Journal:

Proceedings Biological Sciences

Year:

2006

Language:

english

File:

PDF, 1.21 MB

english, 2006

27

Dispersal Patterns, Dispersal Mechanisms, and Invasion Wave Speeds for Invasive Thistles

Skarpaas, Olav, Shea, Katriona

Journal:

American Naturalist

Year:

2007

Language:

english

File:

PDF, 499 KB

english, 2007

28

Importance of individual and environmental variation for invasive species spread: a spatial integral projection model

Eelke Jongejans, Katriona Shea, Olav Skarpaas, Dave Kelly and Stephen P. Ellner

Journal:

Year:

2011

Language:

english

File:

PDF, 1.97 MB

english, 2011

29

A unifying gravity framework for dispersal

Jongejans, Eelke, Skarpaas, Olav, Ferrari, Matthew J., Long, Eric S., Dauer, Joseph T., Schwarz, Carrie M., Rauschert, Emily S. J., Jabbour, Randa, Mortensen, David A., Isard, Scott A., Lieb, David A.

Journal:

Theoretical Ecology

Year:

2015

Language:

english

File:

PDF, 848 KB

english, 2015

30

The Norwegian Nature Index – state and trends of biodiversity in Norway

Nybø, Signe, Certain, Grégoire, Skarpaas, Olav

Journal:

Norsk Geografisk Tidsskrift / Norwegian Journal of Geography

Year:

2012

Language:

english

File:

PDF, 481 KB

english, 2012

31

Knowledge gathering and communication on biodiversity: Developing the Norwegian Nature Index

Aslaksen, Iulie, Framstad, Erik, Garnåsjordet, Per Arild, Nybø, Signe, Skarpaas, Olav

Journal:

Norsk Geografisk Tidsskrift / Norwegian Journal of Geography

Year:

2012

Language:

english

File:

PDF, 160 KB

english, 2012

32

Importance of individual and environmental variation for invasive species spread: a spatial integral projection model

Jongejans, Eelke, Shea, Katriona, Skarpaas, Olav, Kelly, Dave, Ellner, Stephen P.

Journal:

Year:

2011

Language:

english

File:

PDF, 1.20 MB

english, 2011

33

Post-dispersal seed removal of Carduus nutans and C. acanthoides by insects and small mammals

Jongejans, Eelke, Silverman, Edward J., Skarpaas, Olav, Shea, Katriona

Journal:

Ecological Research

Year:

2015

Language:

english

File:

PDF, 324 KB

english, 2015

34

Plant species occurrence in a fragmented grassland landscape: the importance of species traits

Evju, Marianne, Blumentrath, Stefan, Skarpaas, Olav, Stabbetorp, Odd E., Sverdrup-Thygeson, Anne

Journal:

Biodiversity and Conservation

Year:

2015

Language:

english

File:

PDF, 378 KB

english, 2015

35

Biodiversity and ecosystem services: The Nature Index for Norway

Aslaksen, Iulie, Nybø, Signe, Framstad, Erik, Garnåsjordet, Per Arild, Skarpaas, Olav

Journal:

Ecosystem Services

Year:

2015

Language:

english

File:

PDF, 826 KB

english, 2015

36

Biomass partitioning in grassland plants along independent gradients in temperature and precipitation

Skarpaas, Olav, Meineri, Eric, Bargmann, Tessa, Pötsch, Christine, Töpper, Joachim, Vandvik, Vigdis

Journal:

Perspectives in Plant Ecology, Evolution and Systematics

Year:

2016

Language:

english

File:

PDF, 1.50 MB

english, 2016

37

Optimizing Dispersal Study Design by Monte Carlo Simulation

Olav Skarpaas, Katriona Shea and James M. Bullock

Journal:

Journal of Applied Ecology

Year:

2005

Language:

english

File:

PDF, 2.01 MB

english, 2005

38

Timber Import and the Risk of Forest Pest Introductions

D. Skarpaas, Olav Skarpaas and Bjørn Økland

Journal:

Journal of Applied Ecology

Year:

2009

Language:

english

File:

PDF, 1.73 MB

english, 2009

39

From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in seminatural grasslands

Olsen, Siri L., Töpper, Joachim P., Skarpaas, Olav, Vandvik, Vigdis, Klanderud, Kari

Journal:

Global Change Biology

Year:

2016

Language:

english

File:

PDF, 386 KB

english, 2016

40

How Far Can a Hawk's Beard Fly? Measuring and Modelling the Dispersal of Crepis praemorsa

Olav Skarpaas, Odd E. Stabbetorp, Ingeborg Rønning and Thomas O. Svennungsen

Journal:

Journal of Ecology

Year:

2004

Language:

english

File:

PDF, 3.15 MB

english, 2004

41

Optimal management strategies to control local population growth or population spread may not be the same

Katriona Shea, Eelke Jongejans, Olav Skarpaas, Dave Kelly and Andy W. Sheppard

Journal:

Ecological Applications

Year:

2010

Language:

english

File:

PDF, 1.94 MB

english, 2010

42

Diaspore Ecology of Mertensia maritima: Effects of Physical Treatments and Their Relative Timing on Dispersal and Germination

Olav Skarpaas and Odd E. Stabbetorp

Journal:

Year:

2001

Language:

english

File:

PDF, 1.31 MB

english, 2001

43

Habitat connectivity affects specialist species richness more than generalists in veteran trees

Sverdrup-Thygeson, Anne, Skarpaas, Olav, Blumentrath, Stefan, Birkemoe, Tone, Evju, Marianne

Journal:

Forest Ecology and Management

Year:

2017

Language:

english

File:

PDF, 452 KB

english, 2017

44

Prediction of biodiversity hotspots in the Anthropocene: The case of veteran oaks

Skarpaas, Olav, Blumentrath, Stefan, Evju, Marianne, Sverdrup-Thygeson, Anne

Journal:

Ecology and Evolution

Year:

2017

Language:

english

File:

PDF, 1.03 MB

english, 2017

45

The Nature Index: A General Framework for Synthesizing Knowledge on the State of Biodiversity

Certain, Grégoire, Skarpaas, Olav, Bjerke, Jarle-Werner, Framstad, Erik, Lindholm, Markus, Nilsen, Jan-Erik, Norderhaug, Ann, Oug, Eivind, Pedersen, Hans-Christian, Schartau, Ann-Kristin, van der Meer

Journal:

Year:

2011

Language:

english

File:

PDF, 915 KB

english, 2011

46

Trees Wanted—Dead or Alive! Host Selection and Population Dynamics in Tree-Killing Bark Beetles

Kausrud, Kyrre L., Grégoire, Jean-Claude, Skarpaas, Olav, Erbilgin, Nadir, Gilbert, Marius, Økland, Bjørn, Stenseth, Nils Chr., Perc, Matjaz

Journal:

Year:

2011

Language:

english

File:

PDF, 1.35 MB

english, 2011

47

Generic ecological impact assessment of alien species (GEIAA): the third generation of assessments in Norway

Sandvik, Hanno, Hilmo, Olga, Finstad, Anders G., Hegre, Hanne, Moen, Toril L., Rafoss, Trond, Skarpaas, Olav, Elven, Reidar, Sandmark, Helge, Gederaas, Lisbeth

Journal:

Biological Invasions

Year:

2019

Language:

english

File:

PDF, 273 KB

english, 2019

48

Hollow oaks and beetle functional diversity: Significance of surroundings extends beyond taxonomy

Wetherbee, Ross, Birkemoe, Tone, Skarpaas, Olav, SverdrupâThygeson, Anne

Journal:

Ecology and Evolution

Year:

2020

Language:

english

File:

PDF, 1.35 MB

english, 2020

49

Near-natural forests harbor richer saproxylic beetle communities than those in intensively managed forests

Jacobsen, Rannveig M., Burner, Ryan C., Olsen, Siri Lie, Skarpaas, Olav, Sverdrup-Thygeson, Anne

Journal:

Forest Ecology and Management

Year:

2020

File:

PDF, 5.87 MB

2020

50

Towards a systematics of ecodiversity: The EcoSyst framework

Halvorsen, Rune, Skarpaas, Olav, Bryn, Anders, Bratli, Harald, Erikstad, Lars, Simensen, Trond, Lieungh, Eva, Zarnetske, Phoebe

Journal:

Global Ecology and Biogeography

Year:

2020

File:

PDF, 1.32 MB

2020