Blar i NTNU Open på forfatter "Rønning, Bernt"
-
Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine
Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik; Monaghan, Pat; Ringsby, Thor Harald (Peer reviewed; Journal article, 2022)Telomere dynamics could underlie life-history trade-offs among growth, size and longevity, but our ability to quantify such processes in natural, unmanipulated populations is limited. We investigated how 4 years of artificial ... -
Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation
Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene; Pärn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Wright, Jonathan (Peer reviewed; Journal article, 2019)Body size plays a key role in the ecology and evolution of all organisms. Therefore, quantifying the sources of morphological (co)variation, dependent and independent of body size, is of key importance when trying to ... -
Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments
Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria; Pärn, Henrik; Lien, Sigbjørn; Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik (Journal article; Peer reviewed, 2017)Experimental evolution studies can be used to explore genomic response to artificial and natural selection. In such studies, loci that display larger allele frequency change than expected by genetic drift alone are assumed ... -
Covarying Behaviours and Innovation in a House Sparrow Metapopulation - Implications for Social Foraging
Hammerås, John (Master thesis, 2016)Individuals in populations of many species have been found to differ consistently in suites of correlating behavioural measures. These phenomena appear to be heritable and subject to selection, thus making it as important ... -
Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information
Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Sillanpää, Mikko J.; Jensen, Henrik (Peer reviewed; Journal article, 2021)Dispersal has a crucial role determining ecoevolutionary dynamics through both gene flow and population size regulation. However, to study dispersal and its consequences, one must distinguish immigrants from residents. ... -
Ecological & evolutionary role of resting metabolic rate in wild house sparrow populations
Nafstad, Ådne Messel (Doctoral theses at NTNU;2024:426, Doctoral thesis, 2024)Ongoing environmental changes cause worldwide population declines. To better preserve biodiversity we must understand factors that contribute to population viability and persistence. For populations to persist under ... -
Elevers motivasjon til bruk av Nysgjerrigpermetoden
Andreassen, Peter Haugseth (Master thesis, 2020)Denne masteroppgaven undersøker mellomtrinnselevers motivasjon til Nysgjerrigpermetoden, en forenklet versjon av hypotetisk-deduktiv metode. Det er forsøkt å avdekke om elevene motiveres av denne typen arbeid, samt hvilke ... -
En plastbit i hånden er bedre enn ti bilder i boka En case-studie om elevengasjement ved bruk av uteskole med feltarbeid i utdanning for bærekraftig utvikling
Sakkestad, Stine Larsen (Master thesis, 2021)Utdanning står sentralt arbeidet med å håndtere miljø- og klimakrisen vi står ovenfor. En opplevelse av manglende relevans og kjedsomhet fører derimot til at mange elever i mindre grad engasjerer seg i opplæringen. Dette ... -
Feltarbeid for en bærekraftig fremtid - et gram erfaring er bedre enn et tonn teori En mixed methods studie av elevers holdninger rundt marin plastforurensing
Hoddevik, Sunniva Eline (Master thesis, 2021)Bærekraftig utvikling har siden midten av 1900-tallet blitt et globalt konsept. Siden den gang har det blitt utviklet flere internasjonale avtaler for å bekjempe klimakrisen. Det er allment kjent at dersom det grønne skiftet ... -
Indirect social effects of the individual strategy in producer-scrounger foraging interactions
Pettersen, Nils Håkon (Master thesis, 2017)When animals interact socially they experience and react to phenotypes of their social partners. Such interactions can affect behaviours and fitness, and therefore opponent effects (i.e. indirect social effects) can maintain ... -
Individual variation and indirect social effects in producer-scrounger behavior in groups of house sparrows, Passer domesticus
Lilleng, Simen (Master thesis, 2019)Sosial foringsatferd involverer intraspesifikk konkurranse over begrenset mattilgjengelighet som over tid har formet evolusjonen av sosiale forings strategier. Individer er del av et dynamisk sosialt miljø som ofte avhenger ... -
Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis
Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Holand, Håkon; Ranke, Peter Sjolte; Båtnes, Anna Solvang; Selvik, Linn-Karina M.; Lien, Sigbjørn; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik (Journal article; Peer reviewed, 2018)Understanding the genetic architecture of quantitative traits can provide insights into the mechanisms driving phenotypic evolution. Bill morphology is an ecologically important and phenotypically variable trait, which is ... -
Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species
Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna; Kvalnes, Thomas; Kemppainen, Petri; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Qvarnström, Anna; Ellegren, Hans; Jensen, Henrik; Husby, Arild (Journal article; Peer reviewed, 2017)Knowledge about the underlying genetic architecture of phenotypic traits is needed to understand and predict their evolutionary dynamics. The number of causal loci underlying most phenotypic traits, the magnitude of their ... -
Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?
Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik; Hagen, Ingerid Julie; Sæther, Bernt-Erik; Jensen, Henrik (Journal article; Peer reviewed, 2016)Life history theory predicts that available energy is limited and needs to be allocated among different processes such as growth, reproduction and self-maintenance. Basal metabolic rate (BMR), a common measure of an animal's ... -
Is the rate of metabolic ageing and survival determined by basal metabolic rate in the zebra finch?
Rønning, Bernt; Moe, Børge; Berntsen, Johan Henrik Hårdensson; Noreen, Elin; Bech, Claus (Journal article; Peer reviewed, 2014-09-29)The relationship between energy metabolism and ageing is of great interest because aerobic metabolism is the primary source of reactive oxygen species which is believed to be of major importance in the ageing process. We ... -
Linking variation in personality and behavioural syndromes to social foraging and producer-scrounger effects in house sparrows (Passer domesticus)
Olsen, Mirja Carola (Master thesis, 2016)Consistent behavioural differences between individuals across time and situations are referred to as animal personality. Associated with this are behavioural syndromes , which are suites of correlated behaviours across ... -
Long-distance dispersal in the short-distance dispersing house sparrow (Passer domesticus)
Ranke, Peter Sjolte; Pepke, Michael Le; Søraker, Jørgen Skavdal; David, Gabriel; Araya Ajoy, Yimen Gerardo; Wright, Jonathan; Nafstad, Ådne Messel; Rønning, Bernt; Pärn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik (Journal article; Peer reviewed, 2024)The house sparrow (Passer domesticus) is a small passerine known to be highly sedentary. Throughout a 30-year capture–mark–recapture study, we have obtained occasional reports of recoveries far outside our main metapopulation ... -
Læreres undervisningspraksiser og mestringsforventning i argumentasjon En kvantitativ studie av barneskolelæreres ståsted knyttet til argumentasjon i undervisningen
Jensen, Daniel (Master thesis, 2021)Denne studien ble gjennomført innenfor prosjektet CriThiSE (Critical Thinking in Sustainability Education). Kritisk tenkning regnes som en av fremtidens kompetanser, som elevene trenger for å diskutere problemstillinger ... -
Mestring og motivasjon i naturfag ved bruk av uteskole på vinteren
Hansebakken, Thora (Master thesis, 2023)Mestring og motivasjon er to sentrale faktorer i skolen, som har vist seg å være synkende de siste årene i norsk skole. Det har flere negative konsekvenser og må derfor gjøres noe med. Et tiltak for å bedre dette er at ... -
Naturfaglæreres forhold til helhetlig seksualitetsundervisning i grunnskolen
Haugaløkken, Benedicte (Master thesis, 2024)Seksualitetsundervisningen i norske skoler er ofte mangelfull både i omfang og innhold. Mange lærere finner det utfordrende å undervise i sensitive temaer på grunn av manglende kompetanse eller frykt for å støte elevene. ...