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Staff photo Johan Olofsson

Johan Olofsson

Contact

E-mail
johan.olofsson@umu.se
Phone
+46 90 786 77 04

Works at

Affiliation
Professor at Department of Ecology and Environmental Sciences
Location
KB. H4, Linnaeus väg 6, Umeå, A4.46.15 Umeå universitet, 901 87 Umeå
2020
Invasive earthworms unlock arctic plant nitrogen limitation
Nature Communications, Nature Publishing Group 2020, Vol. 11, (1)
Blume-Werry, Gesche; Krab, Eveline J; Olofsson, Johan; et al.
2020
Reindeer trampling promotes vegetation changes in tundra heathlands: Results from a simulation experiment
Journal of Vegetation Science, John Wiley & Sons 2020, Vol. 31, (3) : 476-486
Egelkraut, Dagmar; Barthelemy, Hélène; Olofsson, Johan
2020
Documenting lemming population change in the Arctic: Can we detect trends?
Ambio, Springer 2020, Vol. 49, (3) : 801-804
Ehrich, Dorothée; Schmidt, Niels M.; Gauthier, Gilles; et al.
2020
Complexity revealed in the greening of the Arctic
Nature Climate Change, Nature Publishing Group 2020, Vol. 10, (2) : 106-117
Myers-Smith, Isla H.; Kerby, Jeffrey T.; Phoenix, Gareth K.; et al.
2020
Rhizosphere allocation by canopy-forming species dominates soil CO2 efflux in a subarctic landscape
New Phytologist
Parker, Thomas C.; Clemmensen, Karina E.; Friggens, Nina L.; et al.
2020
Responses of tundra plant community carbon flux to experimental warming, dominant species removal and elevation
Functional Ecology
Sundqvist, Maja K.; Sanders, Nathan J.; Dorrepaal, Ellen; et al.
2020
Removal of grazers alters the response of tundra soil carbon to warming and enhanced nitrogen availability
Ecological Monographs, John Wiley & Sons 2020, Vol. 90, (1)
Ylänne, Henni; Kaarlejärvi, Elina; Väisänen, Maria; et al.
2019
Defoliation of a grass is mediated by the positive effect of dung deposition, moss removal and enhanced soil nutrient contents: results from a reindeer grazing simulation experiment
Oikos, Wiley 2019, Vol. 128, (10) : 1515-1524
Barthelemy, Hélène; Dorrepaal, Ellen; Olofsson, Johan
2019
The polar regions in a 2°C warmer world
Science Advances, American Association for the Advancement of Science 2019, Vol. 5, (12)
Post, Eric; Alley, Richard B.; Christensen, Torben R.; et al.
2019
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome
Polar Biology, Springer 2019, Vol. 42, (10) : 1881-1897
Rheubottom, Sarah, I; Barrio, Isabel C.; Kozlov, Mikhail, V; et al.
2019
Long-term heavy reindeer grazing promotes plant phosphorus limitation in arctic tundra
Functional Ecology, John Wiley & Sons 2019, Vol. 33, (7) : 1233-1242
Sitters, Judith; Cherif, Mehdi; Egelkraut, Dagmar; et al.
2019
Contrasting vegetation states do not diverge in soil organic matter storage: evidence from historical sites in tundra
Ecology, Vol. 100, (7)
Stark, Sari; Egelkraut, Dagmar; Aronsson, Kjell-Åke; et al.
2019
Traditional plant functional groups explain variation in economic but not size-related traits across the tundra biome
Global Ecology and Biogeography, John Wiley & Sons 2019, Vol. 28, (2) : 78-95
Thomas, H. J. D.; Myers-Smith, I. H.; Bjorkman, A. D.; et al.
2018
Publisher Correction to: Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biome (vol 40, pg 2265, 2017)
Polar Biology, Springer 2018, Vol. 41, (8) : 1653-1654
Barrio, Isabel C.; Lindén, Elin; te Beest, Mariska; et al.
2018
Urine is an important nitrogen source for plants irrespective of vegetation composition in an Arctic tundra: Insights from a N-15-enriched urea tracer experiment
Journal of Ecology, Wiley-Blackwell Publishing Inc. 2018, Vol. 106, (1) : 367-378
Barthelemy, Hélène; Stark, Sari; Michelsen, Anders; et al.
2018
Decreased cryogenic disturbance: one of the potential mechanisms behind the vegetation change in the Arctic
Polar Biology, Springer 2018, Vol. 41, (1) : 101-110
Becher, Marina; Olofsson, Johan; Berglund, Louise; et al.
2018
Plant functional trait change across a warming tundra biome
Nature, Nature Publishing Group 2018, Vol. 562, (7725) : 57-+
Bjorkman, Anne D.; Myers-Smith, Isla H.; Elmendorf, Sarah C.; et al.
2018
Tundra Trait Team: a database of plant traits spanning the tundra biome
Global Ecology and Biogeography, John Wiley & Sons 2018, Vol. 27, (12) : 1402-1411
Bjorkman, Anne D.; Myers-Smith, Isla H.; Elmendorf, Sarah C.; et al.
2018
Role of climate and herbivory on native and alien conifer seedling recruitment at and above the Fennoscandian tree line
Journal of Vegetation Science, Wiley-Blackwell 2018, Vol. 29, (4) : 573-584
Bognounou, Fidele; Hulme, Philip E.; Oksanen, Lauri; et al.
2018
Multiple feedbacks contribute to a centennial legacy of reindeer on tundra vegetation
Ecosystems (New York. Print), Springer 2018, Vol. 21, (8) : 1545-1563
Egelkraut, Dagmar; Aronsson, Kjell-Åke; Allard, Anna; et al.
2018
The role of plant-soil feedbacks in stabilizing a reindeer-induced vegetation shift in subarctic tundra
Functional Ecology, John Wiley & Sons 2018, Vol. 32, (8) : 1959-1971
Egelkraut, Dagmar; Kardol, Paul; De Long, Jonathan R.; et al.
2018
Effects of large herbivores on tundra vegetation in a changing climate, and implications for rewilding
Philosophical Transactions of the Royal Society of London. Biological Sciences, The Royal Society 2018, Vol. 373, (1761)
Olofsson, Johan; Post, Eric
2018
Human-mediated introduction of geoengineering earthworms in the Fennoscandian arctic
Biological Invasions, Springer 2018, Vol. 20, (6) : 1377-1386
Wackett, Adrian A.; Yoo, Kyungsoo; Olofsson, Johan; et al.
2018
Consequences of grazer-induced vegetation transitions on ecosystem carbon storage in the tundra
Functional Ecology, John Wiley & Sons 2018, Vol. 32, (4) : 1091-1102
Ylänne, Henni; Olofsson, Johan; Oksanen, Lauri; et al.
2017
Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biome
Polar Biology, Springer 2017, Vol. 40, (11) : 2265-2278
Barrio, Isabel C.; Lindén, Elin; Te Beest, Mariska; et al.
2017
Grazing decreases N partitioning among coexisting plant species
Functional Ecology, Vol. 31, (11) : 2051-2060
Barthelemy, Hélène; Stark, Sari; Kytöviita, Minna-Maarit; et al.
2017
Herbivory and nutrient limitation protect warming tundra from lowland species' invasion and diversity loss
Global Change Biology, Vol. 23, (1) : 245-255
Eskelinen, Anu; Kaarlejarvi, Elina; Olofsson, Johan
2017
Herbivores rescue diversity in warming tundra by modulating trait-dependent species losses and gains
Nature Communications, Nature Publishing Group 2017, Vol. 8
Kaarlejärvi, Elina; Eskelinen, Anu; Olofsson, Johan
2017
Interactive Effects Between Reindeer and Habitat Fertility Drive Soil Nutrient Availabilities in Arctic Tundra
Ecosystems (New York. Print), Vol. 20, (7) : 1266-1277
Sitters, Judith; te Beest, Mariska; Cherif, Mehdi; et al.
2017
Open tundra persist, but arctic features decline-Vegetation changes in the warming Fennoscandian tundra
Global Change Biology, WILEY 2017, Vol. 23, (9) : 3794-3807
Vuorinen, Katariina E. M.; Oksanen, Lauri; Oksanen, Tarja; et al.
2016
Biotic interactions mediate patterns of herbivore diversity in the Arctic
Global Ecology and Biogeography, Wiley-Blackwell 2016, Vol. 25, (9) : 1108-1118
Barrio, I. C.; Bueno, C. G.; Gartzia, M.; et al.
2016
Reindeer grazing increases summer albedo by reducing shrub abundance in Arctic tundra
Environmental Research Letters, Vol. 11, (12)
te Beest, Mariska; Sitters, Judith; Menard, Cecile B.; et al.
2016
Long-Term Trends and Role of Climate in the Population Dynamics of Eurasian Reindeer
PLoS ONE, Vol. 11, (6)
Uboni, Alessia; Horstkotte, Tim; Kaarlejärvi, Elina; et al.
2016
Where do the treeless tundra areas of northern highlands fit in the global biome system: toward an ecologically natural subdivision of the tundra biome
Ecology and Evolution, Vol. 6, (1) : 143-158
Virtanen, Risto; Oksanen, Lauri; Oksanen, Tarja; et al.
2015
Strong Responses of Subarctic Plant Communities to Long-Term Reindeer Feces Manipulation
Ecosystems (New York. Print), Springer 2015, Vol. 18, (5) : 740-751
Barthelemy, Helene; Stark, Sari; Olofsson, Johan
2015
Cryogenic disturbance and its impact on carbon fluxes in a subarctic heathland
Environmental Research Letters, IOP Publishing 2015, Vol. 10, (11)
Becher, Marina; Olofsson, Johan; Klaminder, Jonatan
2015
Mammalian herbivores confer resilience of Arctic shrub-dominated ecosystems to changing climate
Global Change Biology, [Kaarlejarvi, Elina; Olofsson, Johan] Umea Univ, Dept Ecol & Environm Sci, SE-90187 Umea, Sweden. [Hoset, Katrine S.] Univ Turku, Dept Biol, Sect Ecol, FI-20014 Turku, Finland.: 2015, Vol. 21, (9) : 3379-3388
Kaarlejarvi, Elina; Hoset, Katrine S.; Olofsson, Johan
2015
Distinct impacts of different mammalian herbivore assemblages on arctic tundra CO2 exchange during the peak of the growing season
Oikos, Vol. 124, (12) : 1632-1638
Metcalfe, Daniel B.; Olofsson, Johan
2014
Spatial variation in vegetation damage relative to primary productivity, small rodent abundance and predation
Ecography, Vol. 37, (9) : 894-901
Hoset, Katrine S.; Kyro, Kukka; Oksanen, Tarja; et al.
2014
Concurrent biotic interactions influence plant performance at their altitudinal distribution margins
Oikos, John Wiley & Sons 2014, Vol. 123, (8) : 943-952
Kaarlejärvi, Elina; Olofsson, Johan
2014
Long-Term Experiments Reveal Strong Interactions Between Lemmings and Plants in the Fennoscandian Highland Tundra
Ecosystems (New York. Print), Vol. 17, (4) : 606-615
Olofsson, Johan; Oksanen, Lauri; Oksanen, Tarja; et al.
2014
Consequences of warming on tundra carbon balance determined by reindeer grazing history
Nature Climate Change, Vol. 4, (5) : 384-388
Vaisanen, Maria; Ylanne, Henni; Kaarlejärvi, Elina; et al.
2013
Ecosystem change and stability over multiple decades in the Swedish subarctic: complex processes and multiple drivers
Philosophical Transactions of the Royal Society of London. Biological Sciences, Vol. 368, (1624)
Callaghan, Terry V; Jonasson, Christer; Thierfelder, Tomas; et al.
2013
Herbivory prevents positive responses of lowland plants to warmer and more fertile conditions at high altitudes
Functional Ecology, Wiley-Blackwell 2013, Vol. 27, (5) : 1244-1253
Kaarlejärvi, Elina; Eskelinen, Anu; Olofsson, Johan
2013
Complex biotic interactions drive long-term vegetation dynamics in a subarctic ecosystem
Philosophical Transactions of the Royal Society of London. Biological Sciences, Vol. 368, (1624)
Olofsson, Johan; te Beest, Mariska; Ericson, Lars
2012
Nitrogen deposition drives lichen community changes through differential species responses
Global Change Biology, Wiley-Blackwell 2012, Vol. 18, (8) : 2626-2635
Johansson, Otilia; Palmqvist, Kristin; Olofsson, Johan
2012
Effects of warming on shrub abundance and chemistry drive ecosystem-level changes in a forest-tundra ecotone
Ecosystems (New York. Print), Vol. 15, (8) : 1219-1233
Kaarlejärvi, Elina; Baxter, Robert; Hofgaard, Annika; et al.
2012
Forest Fragmentation and Landscape Transformation in a Reindeer Husbandry Area in Sweden
Environmental Management, New York: Springer-Verlag New York 2012, Vol. 49, (2) : 295-304
Kivinen, Sonja; Berg, Anna; Moen, Jon; et al.
2012
Vole and lemming activity observed from space
Nature Climate Change, Vol. 2, (12) : 880-883
Olofsson, Johan; Tommervik, Hans; Callaghan, Terry V.
2011
Lichen responses to nitrogen and phosphorus additions can be explained by the different symbiont responses
New Phytologist, Wiley 2011, Vol. 191, (3) : 795-805
Johansson, Otilia; Olofsson, Johan; Giesler, Reiner; et al.
View publications in DiVA

Research groups

Head of research
Terrestrial ecology