Seasonality is a central template in nature and an important selective force. We aim to understand how seasonal environments shape ecological processes and evolutionary adaptations and how human stressors impact these processes. Most of our research questions have an annual cycle perspective to them. We run both theoretical and empirical studies and strive for concept rich research anchored in mechanisms and theory. Coastal and marine organisms form the main part of our work, but with some studies also in terrestrial systems including links between sea and land.
The Seasonal Ecology Group is a research lab led by Øystein Varpe and based at Department of Biological Sciences, University of Bergen. It is embedded in the larger multi-lab unit Theoretical Ecology Group
Coasts - where sea and land meet
Summer on the rocky shores
Two generations - and spectators
Our field is evolutionary ecology, with particular attention to how seasonality shapes ecological processes and evolutionary adaptations.
Central topics in our lab:
Life history theory
Phenology
Population biology
Predator-prey interactions
Foraging ecology
Ecosystem connections & meta-ecosystems
Sea - land interactions
Marine and coastal ecology
Ecological modelling
ClimateNarratives Varpe is WP-leader and adviser for two PhD-candidates. Funded by the Research Council of Norway (RCN)
Migratory Crossroads Akvaplan-NIVA leads. Funded by RCN
CASCADES Understanding human-induced trophic cascades in coastal ecosystems. NINA leads. Funded by RCN
Øystein Varpe - Professor. Evolutionary ecology, Population biology, Marine ecology
Juan Manuel Valero Rodríguez - Postdoc. Macroalgae ecology
Robynne Nowicki - PhD candidate. Energy content in Arctic zooplankton and fish
Iliana-Vasiliki Ntinou - PhD candidate. Plankton ecology
Steven Guidos - PhD candidate. Trophic cascades in coastal systems
Tom Langbehn - affiliated researcher. Zooplankton-fish interactions
Martyna Syposz - affiliated researcher. Seabird ecology
Zofia Burr - affiliated researcher. Seabird breeding timing
Frida Hinna - MSc student, Seabird breeding timing
Estela Marques - MSc student, Seabird foraging behaviour
Thomas A. Bondevik - MSc student, Eider duck ecology
Linnea Thomassen - MSc student, Blue mussel ecology
Two recent publications:
Årthun et al. The future Barents Sea – a synthesis of physical, biogeochemical, and ecological changes toward 2050 and 2100. Elementa: Science of the Anthropocene open access
Rist et al. Cumulative impacts of oil pollution, ocean warming, and coastal freshening on the consumption of Arctic copepods. Environmental Science and Technology abstract
and some "classics":
Varpe 2017. Life History Adaptations to Seasonality. Integrative & Comparative Biology full text
Varpe, Daase, Kristiansen 2015. A fish-eye view on the new Arctic lightscape. ICES Journal of Marine Science full text
Ji, Jin, Varpe. 2013. Sea ice phenology and timing of primary production pulses in the Arctic Ocean. Global Change Biology abstract
Varpe 2012. Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles. Journal of Plankton Research full text
Varpe et al. 2007. Early is better: seasonal egg fitness and timing of reproduction in a zooplankton life-history model. Oikos pdf
bioCEED - Centre for Excellence in Biology Education. ARCTOS - Arctic marine ecosystem research network. Section for Aquatic biology and toxicology (AQUA), University of Oslo. Centre for Biodiversity Dynamics, NTNU. DEEP - Department of Ecology, Environment and Plant Sciences, Stockholm University. The University Centre in Svalbard (UNIS). Farallon Institute, California. Woods Hole Oceanographic Institution (WHOI).
Theoretical Ecology Group, University of Bergen - where many in the group also belong. Among other topics there - see our Arctic and Antarctic Ecology section.
Norwegian Institute for Nature Research (NINA) - where Øystein has an adjunct position.
Bjerknes Centre for Climate Research - where some of us are also affiliated.
Reflections on Papers Past - revisiting old papers in ecology and evolution through interviews.
Life history evolution. Online lecture by Steven Stearns, Yale University.
We have at all times acknowledged seasons. Vivaldi's musical conception in The Four Seasons (Le quattro stagioni) is a splendid artistic reminder - here an amazing performance of Winter (L'inverno).