Hae
Aineistot 1-10 / 11
Large-scale population dynamics of the Eurasian red squirrel
(Turun yliopisto, 2018-09-28)
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 ...
Insights from unseen individuals – using non-invasive approaches to study population biology of white-tailed deer in Finland
(Turun yliopisto, 2020-04-24)
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 ...
Questing ticks, hidden causes : tracking changes in Ixodes ricinus populations and associated pathogens in southwestern Finland
(Turun yliopisto, 2018-12-05)
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 ...
Linking community dynamics with ecosystem processes in tundra Conceptual, empirical and methodological approaches
(Turun yliopisto, 2020-02-28)
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 ...
The conservation of declining grassland species in novel habitats
(Turun yliopisto, 2020-02-21)
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 ...
Tolerance of baltic sea rocky littoral communities to climate change
(Turun yliopisto, 2018-06-01)
Climate change is challenging marine ecosystems worldwide, severely straining
the tolerance of marine species and likely leading to distributional shifts. In the
brackish-water Baltic Sea, there is a strong salinity ...
Causes and consequences of variation in blue tit nest construction
(Turun yliopisto, 2020-05-08)
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 ...
Spatial behaviour, habitat use and breeding performance of a long-lived raptor in the context of wind energy
(Turun yliopisto, 2018-03-16)
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 ...
Food hoarding of an avian predator under food limitation and climate change
(Turun yliopisto, 2020-10-23)
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) ...
The Intra- and trans-generational effects of larval nutritional conditions on life-history traits of the greater wax moth, Galleria mellonella
(Turun yliopisto, 2020-02-29)
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 ...