Concepedia

Geir Johnsen

GJ

Statistics

Publications

117

Citations

6.9K

H-Index

49

Active since

1983

Affiliations

Norwegian University of Science and Technology(Current)

UiT The Arctic University of Norway

University of Bergen

SINTEF

University Centre in Svalbard

Geir Johnsen is an author at Norwegian University of Science and Technology specializing in life sciences, marine sciences, and marine ecology.

ORCID

Publications per year

1983–2024

117

Publications

117

Leads in Arctic pack ice enable early phytoplankton blooms below snow-covered sea ice

Philipp Assmy, Mar Fernández‐Méndez, Pedro Duarte et al. · Scientific Reports · 2017 · 347 citations · Full text

, , +17

Ocean temperature oscillations enable reappearance of blue mussels Mytilus edulis in Svalbard after a 1000 year absence

Jørgen Berge, Geir Johnsen, Frank Nilsen et al. · Marine Ecology Progress Series · 2005 · 280 citations · Full text

, , +7

An Integrated Analysis of Molecular Acclimation to High Light in the Marine Diatom Phaeodactylum tricornutum

Marianne Nymark, Kristin Collier Valle, Tore Brembu et al. · PLoS ONE · 2009 · 278 citations · Full text

, , +17

Detection of harmful algal blooms using photopigments and absorption signatures: A case study of the Florida red tide dinoflagellate, <i>Gymnodinium breve</i>

David F. Millie, Oscar Schofield, Gary J. Kirkpatrick et al. · Limnology and Oceanography · 1997 · 211 citations · Full text

, , +17

Biooptical characteristics of PSII and PSI in 33 species (13 pigment groups) of marine phytoplankton, and the relevance for pulse‐amplitude‐modulated and fast‐repetition‐rate fluorometry<sup>1</sup>

Geir Johnsen, Egil Sakshaug · Journal of Phycology · 2007 · 194 citations

, , +17

1–5 of 117