Small changes in gene expression of targeted osmoregulatory genes when exposing marine and freshwater threespine stickleback (Gasterosteus aculeatus) to abrupt salinity transfers.

by Annette Taugbøl, Tina Arntsen, Kjartan Ostbye, Leif Asbjørn Vøllestad
Published 2014-01-01

Comparing Fish Density and Echo Strength Distribution Recorded by Two Generations of Single Beam Echo Sounders

by Arne N. Linløkken, Frode Næstad, Kjell Langdal, Kjartan Østbye
Published 2019-05-01

Variation in Lateral Plate Quality in Threespine Stickleback from Fresh, Brackish and Marine Water: A Micro-Computed Tomography Study.

by Elisabeth Wiig, Janne E Reseland, Kjartan Østbye, Håvard J Haugen, Leif A Vøllestad
Published 2016-01-01

A brain and a head for a different habitat: Size variation in four morphs of Arctic charr (Salvelinus alpinus (L.)) in a deep oligotrophic lake

by Ana‐Maria Peris Tamayo, Olivier Devineau, Kim Præbel, Kimmo K. Kahilainen, Kjartan Østbye
Published 2020-10-01

“And if you gaze long into an abyss, the abyss gazes also into thee”: four morphs of Arctic charr adapting to a depth gradient in Lake Tinnsjøen

by Kjartan Østbye, Marius Hagen Hassve, Ana‐Maria Peris Tamayo, Mari Hagenlund, Thomas Vogler, Kim Præbel
Published 2020-07-01

Morphology and life history divergence in cave and surface populations of Gammarus lacustris (L.).

by Kjartan Østbye, Eivind Østbye, Anne May Lien, Laura R Lee, Stein-Erik Lauritzen, David B Carlini
Published 2018-01-01

Ongoing niche differentiation under high gene flow in a polymorphic brackish water threespine stickleback (Gasterosteus aculeatus) population

by Kjartan Østbye, Annette Taugbøl, Mark Ravinet, Chris Harrod, Ruben Alexander Pettersen, Louis Bernatchez, Leif Asbjørn Vøllestad
Published 2018-02-01

Predator community and resource use jointly modulate the inducible defense response in body height of crucian carp

by Ilaria de Meo, Kjartan Østbye, Kimmo K. Kahilainen, Brian Hayden, Christian H. H. Fagertun, Antonio B. S. Poléo
Published 2021-03-01

The effects of ionic strength on the toxicity of aluminium to Atlantic salmon (Salmo salar) under non-steady state chemical conditions

by Antonio B.S. POLÉO, Leif Asbjørn VØLLESTAD, Frode BJERKELY, Ronny A. ANDERSEN, Kjartan ØSTBYE, Sigurd ØXNEVAD, Espen LYDERSEN
Published 2002-02-01