Author

Bernt E. Johansen

Observed names: B. E. Johansen, B.E Johansen, B.E. Johansen, Bernt Johansen, Johansen, Bernt

Observed institutions: University of Turku, Northern Research Institute, UiT The Arctic University of Norway, University of Oulu

OpenAlex ID: A5109138126

Improved monitoring of vegetation dynamics at very high latitudes: A new method using MODIS NDVI

2005 · Pieter S.A. Beck, Clement Atzberger, et al. · Remote Sensing of Environment · 1,086

Climate and environmental change drives Ixodes ricinus geographical expansion at the northern range margin

2014 · Solveig Jore, Sophie O Vanwambeke, et al. · Parasites & Vectors · 166

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MODIS-NDVI-based mapping of the length of the growing season in northern Fennoscandia

2008 · Stein Rune Karlsen, Anne Tolvanen, et al. · International Journal of Applied Earth Observation and Geoinformation · 127

The relationship between phytomass, NDVI and vegetation communities on Svalbard

2013 · Bernt Johansen, Hans Tømmervik · International Journal of Applied Earth Observation and Geoinformation · 119

Where do the treeless tundra areas of northern highlands fit in the global biome system: toward an ecologically natural subdivision of the tundra biome

2015 · Risto Virtanen, Lauri Oksanen, et al. · Ecology and Evolution · 106

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Spatial Patterns and Dynamic Responses of Arctic Food Webs Corroborate the Exploitation Ecosystems Hypothesis (EEH)

2007 · Maano Aunapuu, Jonas Dahlgren, et al. · The American Naturalist · 104

Satellite‐based mapping of the growing season and bioclimatic zones in Fennoscandia

2006 · Stein Rune Karlsen, Arve Elvebakk, et al. · Global Ecology and Biogeography · 101

Vegetation mapping of Svalbard utilising Landsat TM/ETM+ data

2011 · Bernt E. Johansen, Stein Rune Karlsen, et al. · Polar Record · 100

Effect of reindeer grazing on snowmelt, albedo and energy balance based on satellite data analyses

2013 · Juval Cohen, Jouni Pulliainen, et al. · Remote Sensing of Environment · 94

Rapid recovery of recently overexploited winter grazing pastures for reindeer in northern Norway

2011 · Hans Tømmervik, Jarle W. Bjerke, et al. · Fungal ecology · 53

A satellite-based map of onset of birch (Betula) flowering in Norway

2008 · Stein Rune Karlsen, Hallvard Ramfjord, et al. · Aerobiologia · 53

Monitoring the effects of air pollution on terrestrial ecosystems in Varanger (Norway) and Nikel-Pechenga (Russia) using remote sensing

1995 · H. Tømmervik, B.E. Johansen, et al. · The Science of The Total Environment · 53

Monitoring vegetation changes on Finnmarksvidda, Northern Norway, using Landsat MSS and Landsat TM/ETM+ satellite images

2005 · Bernt Johansen, Stein Rune Karlsen · Phytocoenologia · 51

Future vegetation changes in thawing subarctic mires and implications for greenhouse gas exchange—a regional assessment

2012 · Julia Bosiö, Margareta Johansson, et al. · Climatic Change · 42

A vegetation‐based method to map climatic variation in the arctic–boreal transition area of Finnmark, north‐easternmost Norway

2005 · Stein Rune Karlsen, Arve Elvebakk, et al. · Journal of Biogeography · 39

Aspects of a two-pasture — herbivore model

2004 · Jan Åge Riseth, Bernt Johansen, et al. · Rangifer · 23

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Toward a new arctic vegetation map: a review of existing maps

1995 · D.A. Walker, C. Bay, et al. · Journal of Vegetation Science · 22

Herding conditions related to infectious keratoconjunctivitis in semi-domesticated reindeer: a questionnaire-based survey among reindeer herders

2016 · Morten Tryland, Solveig Marie Stubsjøen, et al. · Acta veterinaria Scandinavica · 20

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Predator–rodent–plant interactions along a coast–inland gradient in Fennoscandian tundra

2015 · Lise Ruffino, Tarja Oksanen, et al. · Ecography · 20

Changes in the Spatial Configuration and Strength of Trophic Control Across a Productivity Gradient During a Massive Rodent Outbreak

2017 · Katrine S. Hoset, Lise Ruffino, et al. · Ecosystems · 17

Snow season variability in a boreal-Arctic transition area monitored by MODIS data

2016 · Eirik Malnes, Stein Rune Karlsen, et al. · Environmental Research Letters · 16

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Use of Unmanned Aircraft Systems (UAS) in a multi-scale vegetation index study of Arctic plant communities in Adventdalen on Svalbard

2014 · Tommervik, Hans, Karlsen, Stein-Rune, et al. · NORA - Norwegian Open Research Archives · 16

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Mapping The Air Pollution Impact On The Natural Environment In The Border Area Of Norway/USSR Using Satellite Remote Sensing Methods

2005 · H.A. Tommervik, B.E. Johansen, et al. · IEEE International Geoscience and Remote Sensing Symposium (IGARSS) · 11

Monitoring cultural heritage environments in Svalbard: Smeerenburg, a whaling station on Amsterdam island.

2015 · Thuestad, Alma Elizabeth, Tommervik, Hans, et al. · BIBSYS Brage (BIBSYS (Norway)) · 7

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Vegetasjonskart over Svalbard basert på satellittdata. Dokumentasjon av metoder og vegetasjonsbeskrivelser

2009 · Bernt Johansen, Hans Tømmervik, et al. · BIBSYS Brage (BIBSYS (Norway)) · 7

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Works count: 61

Citation count: 2,485

H-index: 19

I10-index: 23