Anna H. Andreassen
Om
I am a Ph.D. candidate working on mechanisms and evolution of thermal tolerance in the Jutfelt Fish Ecophysiology lab. My project started in August 2019 and involves two main approaches to test what limits the upper thermal tolerance of vertebrates.
First, to uncover which phenotypic traits are important for survival and how the biology of ectotherms changes under the predicted climate challenges, I will characterise how life-history traits, metabolic rates, swim speed, thermal preference, and critical thermal maximum and minimum, vary between lines of the 8th generation of zebrafish selected for upper thermal limits.
Second, to answer whether the whole animal response to critical temperatures is caused by limitations in specific organ systems, I will quantify and map the timing of the central nervous and circulatory responses to critical temperatures.
My supervisors are Fredrik Jutfelt, Florence Kermen, Timothy Clark and Christophe Pelabon
Publikasjoner
2023
-
Andersen, Rasmus Ern;
Andreassen, Anna Haukedal;
Jutfelt, Fredrik Walter Jonas.
(2023)
Physiological mechanisms of acute upper thermal tolerance in fish.
Physiology
Vitenskapelig artikkel
-
Ern, Rasmus;
Andreassen, Anna Haukedal;
Jutfelt, Fredrik Walter Jonas.
(2023)
Physiological mechanisms of acute upper thermal tolerance in fish.
Physiology
Vitenskapelig artikkel
-
Cowan, Zara-Louise;
Andreassen, Anna Haukedal;
De Bonville, Jeremy;
Green, Leon;
Binning, Sandra A;
Silva Garay, Diana Lorena.
(2023)
A novel method for measuring acute thermal tolerance in fish embryos.
Conservation Physiology
Vitenskapelig artikkel
2022
-
Andreassen, Anna H.;
Hall, Petter;
Khatibzadeh, Pouya;
Jutfelt, Fredrik;
Kermen, Florence.
(2022)
Brain dysfunction during warming is linked to oxygen limitation in larval zebrafish.
Proceedings of the National Academy of Sciences of the United States of America
Vitenskapelig artikkel
-
Morgan, Rachael Louise;
Andreassen, Anna H.;
Åsheim, Eirik Ryvoll;
Finnøen, Mette Helene;
Dresler, Gunnar;
Brembu, Tore.
(2022)
Reduced physiological plasticity in a fish adapted to stable temperatures.
Proceedings of the National Academy of Sciences of the United States of America
Vitenskapelig artikkel
-
Roche, Dominique G.;
Raby, Graham D.;
Norin, Tommy;
Andersen, Rasmus Ern;
Scheuffele, Hanna;
Skeeles, Michael.
(2022)
Paths towards greater consensus building in experimental biology .
Journal of Experimental Biology
Vitenskapelig artikkel
2021
-
Jutfelt, Fredrik;
Norin, Tommy;
Åsheim, Eirik Ryvoll;
Rowsey, Lauren;
Andreassen, Anna H.;
Morgan, Rachael.
(2021)
‘Aerobic scope protection’ reduces ectotherm growth under warming.
Functional Ecology
Vitenskapelig artikkel
-
Norin, Tommy;
Sundin, Hilma Josefin Sanna;
Morgan, Rachael Louise;
Andreassen, Anna H.;
Amcoff, Mirjam;
Speers-Roesch, Ben.
(2021)
Predator presence affects activity patterns but not food consumption or growth of juvenile corkwing wrasse (Symphodus melops).
Behavioral Ecology and Sociobiology
Vitenskapelig artikkel
2020
-
Åsheim, Eirik Ryvoll;
Andreassen, Anna H.;
Morgan, Rachael Louise;
Jutfelt, Fredrik.
(2020)
Rapid-warming tolerance correlates with tolerance to slow warming but not growth at non-optimal temperatures in zebrafish.
Journal of Experimental Biology
Vitenskapelig artikkel
-
Roche, Dominique G.;
Amcoff, Mirjam;
Morgan, Rachael Louise;
Sundin, Josefin;
Andreassen, Anna H.;
Finnøen, Mette Helene.
(2020)
Behavioural lateralization in a detour test is not repeatable in fishes.
Animal Behaviour
Vitenskapelig artikkel
2019
-
Jutfelt, Fredrik;
Roche, Dominique;
Clark, Timothy D.;
Norin, Tommy;
Binning, Sandra;
Speers-Roesch, Ben.
(2019)
Brain cooling marginally increases acute upper thermal tolerance in Atlantic cod.
Journal of Experimental Biology
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Andersen, Rasmus Ern;
Andreassen, Anna Haukedal;
Jutfelt, Fredrik Walter Jonas.
(2023)
Physiological mechanisms of acute upper thermal tolerance in fish.
Physiology
Vitenskapelig artikkel
-
Ern, Rasmus;
Andreassen, Anna Haukedal;
Jutfelt, Fredrik Walter Jonas.
(2023)
Physiological mechanisms of acute upper thermal tolerance in fish.
Physiology
Vitenskapelig artikkel
-
Cowan, Zara-Louise;
Andreassen, Anna Haukedal;
De Bonville, Jeremy;
Green, Leon;
Binning, Sandra A;
Silva Garay, Diana Lorena.
(2023)
A novel method for measuring acute thermal tolerance in fish embryos.
Conservation Physiology
Vitenskapelig artikkel
-
Andreassen, Anna H.;
Hall, Petter;
Khatibzadeh, Pouya;
Jutfelt, Fredrik;
Kermen, Florence.
(2022)
Brain dysfunction during warming is linked to oxygen limitation in larval zebrafish.
Proceedings of the National Academy of Sciences of the United States of America
Vitenskapelig artikkel
-
Morgan, Rachael Louise;
Andreassen, Anna H.;
Åsheim, Eirik Ryvoll;
Finnøen, Mette Helene;
Dresler, Gunnar;
Brembu, Tore.
(2022)
Reduced physiological plasticity in a fish adapted to stable temperatures.
Proceedings of the National Academy of Sciences of the United States of America
Vitenskapelig artikkel
-
Roche, Dominique G.;
Raby, Graham D.;
Norin, Tommy;
Andersen, Rasmus Ern;
Scheuffele, Hanna;
Skeeles, Michael.
(2022)
Paths towards greater consensus building in experimental biology .
Journal of Experimental Biology
Vitenskapelig artikkel
-
Jutfelt, Fredrik;
Norin, Tommy;
Åsheim, Eirik Ryvoll;
Rowsey, Lauren;
Andreassen, Anna H.;
Morgan, Rachael.
(2021)
‘Aerobic scope protection’ reduces ectotherm growth under warming.
Functional Ecology
Vitenskapelig artikkel
-
Norin, Tommy;
Sundin, Hilma Josefin Sanna;
Morgan, Rachael Louise;
Andreassen, Anna H.;
Amcoff, Mirjam;
Speers-Roesch, Ben.
(2021)
Predator presence affects activity patterns but not food consumption or growth of juvenile corkwing wrasse (Symphodus melops).
Behavioral Ecology and Sociobiology
Vitenskapelig artikkel
-
Åsheim, Eirik Ryvoll;
Andreassen, Anna H.;
Morgan, Rachael Louise;
Jutfelt, Fredrik.
(2020)
Rapid-warming tolerance correlates with tolerance to slow warming but not growth at non-optimal temperatures in zebrafish.
Journal of Experimental Biology
Vitenskapelig artikkel
-
Roche, Dominique G.;
Amcoff, Mirjam;
Morgan, Rachael Louise;
Sundin, Josefin;
Andreassen, Anna H.;
Finnøen, Mette Helene.
(2020)
Behavioural lateralization in a detour test is not repeatable in fishes.
Animal Behaviour
Vitenskapelig artikkel
-
Jutfelt, Fredrik;
Roche, Dominique;
Clark, Timothy D.;
Norin, Tommy;
Binning, Sandra;
Speers-Roesch, Ben.
(2019)
Brain cooling marginally increases acute upper thermal tolerance in Atlantic cod.
Journal of Experimental Biology
Vitenskapelig artikkel
Formidling
Heat waves harm fish brains
In a ground-breaking study by Anna Andreassen and her team at the Norwegian University of Science and Technology, the researchers investigated what happens to the brains of larval zebrafish (Danio rerio) during extreme heatwaves...
What goes on in the brain when it gets too hot?
Which organisms survive and which succumb when the climate changes? A small larval fish is providing surprising insight into how the brain reacts when the temperature rises.
Hva skjer oppe i hodet når det blir for varmt?
Hvilke organismer vil overleve og hvilke vil bukke under når klimaet endrer seg? En liten fiskelarve har gitt overraskende innsyn i hvordan hjernen reagerer når temperaturen stiger.