Browsing NTNU Open by Author "Morgan, Rachael"
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Are model organisms representative for climate change research? Testing thermal tolerance in wild and laboratory zebrafish populations
Morgan, Rachael; Sundin, Josefin; Finnøen, Mette Helene; Dresler, Gunnar; Vendrell, Marc Martinez; Dey, Arpita; Sarkar, Kripan; Jutfelt, Fredrik (Journal article; Peer reviewed, 2019)Model organisms can be useful for studying climate change impacts, but it is unclear whether domestication to laboratory conditions has altered their thermal tolerance and therefore how representative of wild populations ... -
Behavioural traits correlate in zebrafish (Danio rerio) selected for high and low upper thermal tolerance
Brusevold, Tine Elisabeth Dahl (Master thesis, 2019)Ferskvannssystemer er spesielt sårbare for klimaforandringer, så forskning på ferskvannsorganismer i lys av temperaturforandringer er viktig. I denne studien, ble sebrafisk selektert gjennom fire generasjoner for øvre ... -
CTmax is repeatable and doesn't reduce growth in zebrafish
Morgan, Rachael; Finnøen, Mette Helene; Jutfelt, Fredrik (Journal article; Peer reviewed, 2018)Critical thermal maximum (CTmax) is a commonly and increasingly used measure of an animal’s upper thermal tolerance limit. However, it is unknown how consistent CTmax is within an individual, and how physiologically taxing ... -
Development of an automated annular arena and thermal preference of zebrafish selected for thermal tolerance
Andreassen, Anna H. (Master thesis, 2019)Gjennom åtferdsbasert temperaturregulering kan ektoterme dyr regulera kroppstemperaturen ved å velje habitatområder med ulike temperaturar. Dette er livsviktig for akvatiske ektotermer som blir utsett for aukande ... -
Physiological plasticity and evolution of thermal performance in zebrafish
Morgan, Rachael (Doctoral theses at NTNU;2020:68, Doctoral thesis, 2020)Climate change is increasing mean and extreme temperatures globally. For aquatic ectotherms, such as fish, increasing temperatures will directly affect their thermalperformance and challenge their upper thermal limits. ... -
Selection on high thermal tolerance alters tolerance to cold
Hildrum, Hanne Margrethe (Master thesis, 2019)Klimaendringer vil føre til økning i vanntemperaturer og intensitet av hetebølger. Dette vil utfordre ektoderme fiskers indre fysiologi og populasjonsutbredelse, delvis avhengig av deres temperatur-toleranse. Et vanlig mål ...