Latvia, Lithuania, Poland, Romania, Estonia, Bulgaria, Serbia, Moldova, Croatia and Montenegro are the 10 European countries ...

Limitations to population growth are either density-dependant or density-independent ... is a small rodent inhabiting forests in Europe and Asia. They studied squirrels in both coniferous and ...

This allowed researchers to observe trends in the litter's accumulation and abundance, while also enabling them to explore any connections between quantities of litter and population density.