Blar i NTNU Open på forfatter "Layton-Matthews, Kate"
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Climate change influences reproduction in Arctic breeding geese through altered predator-prey interactions
Sætre, Mikael Andreas (Master thesis, 2022)Klimaendringer påvirker Arktiske herbivorer både direkte og indirekte gjennom endringer i tilgang på ressurser. I senere tid er det også funnet bevis som indikerer at effektene av klimaendringer også kan forekomme gjennom ... -
Consequences of cross-season demographic correlations for population viability
Layton-Matthews, Kate; Reiertsen, Tone Kristin; Erikstad, Kjell E.; Anker-Nilssen, Tycho; Daunt, Francis; Wanless, Sarah; Barrett, Robert; Newell, Mark A; Harris, Mike P. (Peer reviewed; Journal article, 2023)Demographic correlations are pervasive in wildlife populations and can represent important secondary drivers of population growth. Empirical evidence suggests that correlations are in general positive for long-lived species, ... -
Contrasting consequences of climate change for migratory geese: Predation, density dependence and carryover effects offset benefits of high‐arctic warming
Layton-Matthews, Kate; Hansen, Brage Bremset; Grøtan, Vidar; Fuglei, Eva; Loonen, Maarten J.J.E. (Journal article; Peer reviewed, 2019)Climate change is most rapid in the Arctic, posing both benefits and challenges for migratory herbivores. However, population‐dynamic responses to climate change are generally difficult to predict, due to concurrent changes ... -
Demographic consequences of rapid climate change and density dependence in migratory Arctic geese
Layton-Matthews, Kate (Doctoral theses at NTNU;2020:156, Doctoral thesis, 2020)Climate change effects are being felt across ecological levels and most strongly in the Arctic. Scaling up from effects on demographic rates to the population-level, and even community-level, is a daunting task. This is ... -
Density‐dependent population dynamics of a high Arctic capital breeder, the barnacle goose
Layton-Matthews, Kate; Loonen, M. J. J. E; Hansen, Brage Bremset; Coste, Christophe Francois Daniel; Sæther, Bernt-Erik; Grøtan, Vidar (Journal article; Peer reviewed, 2019)Density regulation of the population growth rate occurs through negative feedbacks on underlying vital rates, in response to increasing population size. Here, we examine in a capital breeder how vital rates of different ... -
Effects of experimental winter icing and summer warming on high Arctic tundra vascular plants: a comparison of growth forms
Haraldsen, Hanne Kristin (Master thesis, 2017)No other place has experienced such pronounced changes in temperature and precipitation due to climate change, as the terrestrial Arctic. Ecological responses to warmer summers are already well documented, yet the responses ... -
Extreme events, trophic chain reactions, and shifts in phenotypic selection
Layton-Matthews, Kate; Vriend, Stefan J.G.; Grøtan, Vidar; Loonen, Maarten J. J. E.; Sæther, Bernt-Erik; Fuglei, Eva; Hansen, Brage Bremset (Peer reviewed; Journal article, 2023)Demographic consequences of rapid environmental change and extreme climatic events (ECEs) can cascade across trophic levels with evolutionary implications that have rarely been explored. Here, we show how an ECE in high ... -
Family planning in the high Arctic: earlier spring onset advances age at first successful reproduction in barnacle geese
Fjelldal, Mari Aas (Master thesis, 2018)I en verden under oppvarming der arter møter nye miljøforandringer er evalueringen av klimaeffekter på individnivå gjennom livshistorie egenskaper viktig for å forstå langtids- utsiktene til naturlige populasjoner. ... -
Forest management affects seasonal source-sink dynamics in a territorial, group-living bird
Layton-Matthews, Kate; Griesser, Michael; Coste, Christophe; Ozgul, Arpat (Peer reviewed; Journal article, 2021)The persistence of wildlife populations is under threat as a consequence of human activities, which are degrading natural ecosystems. Commercial forestry is the greatest threat to biodiversity in boreal forests. Forestry ... -
Inter-population synchrony in adult survival and effects of climate and extreme weather in non-breeding areas of Atlantic puffins
Reiertsen, Tone Kristin; Layton-Matthews, Kate; Erikstad, K.E.; Hodges, Kevin I.; Ballesteros, Manuel; Anker-Nilssen, Tycho; Barrett, R.T.; Benjaminsen, Sigurd; Bogdanova, M.; Christensen-Dalsgaard, Signe; Daunt, Francis; Dehnhard, Nina; Harris, Michael P.; Langset, Magdalene; Lorentsen, Svein-Håkon; Newell, Mark; Bråthen, Vegard Sandøy; Støyle-Bringsvor, I.; Systad, Geir Helge Rødli; Wanless, Sarah (Peer reviewed; Journal article, 2021)Seabirds are undergoing drastic declines globally and spend the non-breeding season at sea, making it challenging to study the drivers of their survival. Harsh weather and changes in climate conditions can have large impacts ... -
Long-term herbivore removal experiments reveal how geese and reindeer shape vegetation and ecosystem CO2-fluxes in high-Arctic tundra
Petit Bon, Matteo; Hansen, Brage Bremset; Loonen, M. J. J. E; Petraglia, Alessandro; Bråthen, Kari Anne; Böhner, Hanna; Layton-Matthews, Kate; Beard, Karen H.; Le Moullec, Mathilde; Jonsdottir, Ingibjorg Svala; Van der Wal, René (Peer reviewed; Journal article, 2023)1. Given the current rates of climate change, with associated shifts in herbivore population densities, understanding the role of different herbivores in ecosystem functioning is critical for predicting ecosystem responses. ... -
Raising offspring increases ageing: Differences in senescence among three populations of a long-lived seabird, the Atlantic puffin
Landsem, Terje Lorentzen; Yoccoz, Nigel Gilles; Layton-Matthews, Kate; Hilde, Christoffer Høyvik; Harris, Michael P; Wanless, Sarah; Daunt, Francis; Reiertsen, Tone Kristin; Erikstad, Kjell E.; Anker-Nilssen, Tycho (Peer reviewed; Journal article, 2023)1. Actuarial senescence, the decline of survival with age, is well documented in the wild. Rates of senescence vary widely between taxa, to some extent also between sexes, with the fastest life histories showing the highest ... -
The interacting effects of forestry and climate change on the demography of a group‑living bird population
Layton-Matthews, Kate; Ozgul, Arpat; Griesser, Michael (Journal article; Peer reviewed, 2018)Anthropogenic degradation of natural habitats is a global driver of wildlife population declines. Local population responses to such environmental perturbations are generally well understood, but in socially structured ...