Selaus oppiaineen mukaan kokoelmassa VäitöskirjatEkologia

    • Causes and consequences of variation in blue tit nest construction 

      Järvinen, Pauliina
      Turun yliopiston julkaisuja. Sarja AII, Biologica - Geographica – Geologica : 369 (Turun yliopisto, 08.05.2020)
      Species across taxa and the vast majority of birds build nests for reproduction. The bird nest functions as a receptacle for the eggs and young and as such determines successful reproduction. Through nest construction birds ...
    • Environmental Variation, Niches of Indicator Species and Forest Structure in Amazonia 

      Suominen, Lassi
      Turun yliopiston julkaisuja. Sarja A II, Biologica - Geographica – Geologica : 399 (Turun yliopisto, 09.06.2023)
      Amazonia is the largest remaining tropical rainforest. As such, it is globally important both in terms of carbon and water cycles as well as biodiversity. As in most areas of the tropics, deforestation is also alarmingly ...
    • Evolutionary quantitative genetics of animal personality in the wild 

      Class, Barbara
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 333 (Turun yliopisto, 27.10.2017)
      Individuals within populations often show repeatable behavioural differences which reflect variation in personality. In contrast to human personality, which has been extensively studied by psychologists ...
    • Factors Affecting the Distribution of the Eurasian Beaver and the North American Beaver in Finland 

      Alakoski, Riikka
      Turun yliopiston julkaisuja. Sarja A II, Biologica - Geographica – Geologica : 383 (Turun yliopisto, 03.09.2021)
      ABSTRACT Understanding the factors affecting the distribution of species lies at the core of ecology and is becoming increasingly important in the field of applied ecology, such as conservation biology and wildlife ...
    • Food hoarding of an avian predator under food limitation and climate change 

      Masoero, Giulia
      Turun yliopiston julkaisuja - Annales Universitatis Turkuensis, Ser A ÍI: Biologica - Geographica- Geologica : 373 (Turun yliopisto, 23.10.2020)
      Hoarding behaviour (storing food for later use) has evolved to reduce the risk of starvation when resources are scarce. In this thesis, I studied the food-hoarding behaviour of Eurasian pygmy owls (Glaucidium passerinum) ...
    • Guest ants and ant guests in red wood ant nests 

      Härkönen, Salla K.
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 338 (Turun yliopisto, 09.12.2017)
      Red wood ants (Formica rufa group) impact forest ecosystems in a multitude of ways and can thus be considered as ecosystem engineers. Although they are highly efficacious predators of many arthropods, their nests host a ...
    • Impacts of human activities on bats in the boreal forest 

      Gaultier, Simon P.
      Turun yliopiston julkaisuja - Annales Universitatis Turkuensis, Ser AII: Biologica, Geographica : 400 (Turun yliopisto, 09.06.2023)
      Human activities can negatively impact biodiversity, including bats, leading to excessive mortality, population declines and potentially species extinction. Amongst these threats, wind power and light pollution are both ...
    • Insights from unseen individuals – using non-invasive approaches to study population biology of white-tailed deer in Finland 

      Poutanen, Jenni
      Turun yliopiston julkaisuja - Annales Universitatis Turkuensis, Ser A II: Biologica - Geologica : 367 (Turun yliopisto, 24.04.2020)
      Density, adult sex ratio and fecundity are biologically important population parameters, whose estimation is also essential for wildlife management and conservation. These parameters describe population viability and predict ...
    • Introduced marine crab species in the northern Baltic Sea : from detection to impacts 

      Forsström, Tiia
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 335 (Turun yliopisto, 01.12.2017)
      Human mediated species introductions are often irreversible, represent a world-wide problem and are considered one of the threats to marine biodiversity. Invasions can have an impact on the native species and communities, ...
    • Investigating the human-animal relationship in working animals 

      Liehrmann, Océane
      Turun yliopiston julkaisuja - Annales Universitatis TUrkuensis, Ser A II: Biologica - Geographica - Geologica : 403 (Turun yliopisto, 06.10.2023)
      Throughout history, humans have coexisted with animals, fulfilling various roles in human life including providing food, clothing, and assistance in research and labor. The study of human-animal relationships has been a ...
    • Large-scale population dynamics of the Eurasian red squirrel 

      Turkia, Tytti
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 348 (Turun yliopisto, 28.09.2018)
      The size of an animal population is determined by the birth rate, mortality, and movement of individuals between populations. These demographic parameters, in turn, are affected by internal and external factors. Internal ...
    • Linking community dynamics with ecosystem processes in tundra Conceptual, empirical and methodological approaches 

      Tuomi, Maria
      Turun yliopiston julkaisuja. Sarja A II: Biologica - Geographica – Geologica : 365 (Turun yliopisto, 28.02.2020)
      In low-productive tundra systems, both small and large herbivores exert strong control over plant biomass and community composition. They may also modulate ecosystem process rates, including availability and cycling of ...
    • Migratory behaviour and year-round distribution of two goose species 

      Piironen, Antti
      Turun yliopiston julkaisuja - Annales Universitatis TUrkuensis, Ser A II: Biologica - Geographica - Geologica : 396 (Turun yliopisto, 21.04.2023)
      Knowledge on flyway structures, year-round spatiotemporal distributions and migration strategies is a key for understanding the ecology of migratory populations and the evolution of migratory behaviours. Knowledge on these ...
    • Movement and habitat selection of the Eurasian red squirrel 

      Hämäläinen, Suvi
      Turun yliopiston julkaisuja. Sarja A II: Biologica - Geographica – Geologica : 361 (Turun yliopisto, 05.10.2019)
      Movement ability and habitat selection of individuals are highly significant in determining the size of a population and impact the range and survival of the entire species. Thus, the conservation and management of animal ...
    • Questing ticks, hidden causes : tracking changes in Ixodes ricinus populations and associated pathogens in southwestern Finland 

      Sormunen, Jani
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 349 (Turun yliopisto, 05.12.2018)
      Ticks (Acari: Ixodidae) and tick-borne diseases, especially Lyme borreliosis caused by Borrelia burgdorferi s.l. spirochetes and tick-borne encephalitis (TBE) caused by the TBE-virus (TBEV), are a growing problem in northern ...
    • Spatial behaviour, habitat use and breeding performance of a long-lived raptor in the context of wind energy 

      Balotari Chiebáo, Fábio
      Turun yliopiston julkaisuja. Sarja AII: Biologica - Geographica – Geologica : 339 (Turun yliopisto, 16.03.2018)
      Natural ecosystems and associated biota suffer from a wide range of human activities, including habitat destruction, land-use changes and climate warming. Easily subject to disturbance and often requiring large hunting ...
    • The conservation of declining grassland species in novel habitats 

      Lampinen, Jussi
      Turun yliopiston julkaisuja. Sarja A II: Biologica - Geographica – Geologica : 362 (Turun yliopisto, 21.02.2020)
      Semi-natural grasslands created by traditional animal husbandry are among the most threatened habitat types in northern Europe, and many of the species adapted to them are currently endangered. Improving the conservation ...
    • The impact of human relationships on semi-captive Asian elephant health and welfare 

      Crawley, Jennie
      Turun yliopiston julkaisuja - Annales Universitatis TUrkuensis, Ser A II: Biologica - Geographica - Geologica : 384 (Turun yliopisto, 10.12.2021)
      There are billions of animals living in close proximity to humans around the world from pets and livestock to laboratory, draught and zoo animals. The interactions these animals have with humans in captivity influence their ...
    • The Intra- and trans-generational effects of larval nutritional conditions on life-history traits of the greater wax moth, Galleria mellonella 

      Kangassalo, Katariina
      Turun yliopiston julkaisuja. Sarja A II: Biologica - Geographica – Geologica : 364 (Turun yliopisto, 29.02.2020)
      Phenotypic plasticity allows the same genotype to produce distinctly different morphological, physiological or behavioural characteristics depending on the environmental conditions the individual, and even its parents or ...
    • The return of the white-tailed eagle: Ecology of predator-prey relationships in the Baltic Sea and Arctic inland 

      Ekblad, Camilla
      Turun yliopiston julkaisuja - Annales Universitatis TUrkuensis, Ser A II: Biologica - Geographica - Geologica : 391 (Turun yliopisto, 02.12.2022)
      Apex predators regulate ecosystems through top-down processes. In the last century many predator populations crashed due to anthropogenic impacts, but recently some have recovered and are re-colonizing old areas, as well ...