Kirjallisuustietokanta

Authors	Year	Title
H. Lundberg, Ranta E.	1980	Habitat and food utilization in subarctic bumblebee community
B. Pisarski, Vepsäläinen, K., Ranta, E., Ås, S., Haila, Y., Tiainen, J.	1982	A comparison oft wo methods of sampling island ant communities
E. Ranta	1984	Proboscis length and coexistence of bumblebee species.
E. Ranta	1983	Foraging differences in bumblebees
E. Ranta	1982	Species structure of North European bumblebee communities
E. Ranta, Lappalainen, K., Miettinen, H.	1984	Foraging dynamics oft wo bumble-bee species (B. lucorum and B. lapidarius) during one summer
E. Ranta, Lundberg H.	1981	Resource utilization by bumblebee queens, workers and males in a subarctic area
E. Ranta, Lundberg H.	1981	Food niche analyses of bumblebees: a comparison of three data collecting methods
E. Ranta, Lundberg H.	1980	Resource partitioning in bumblebees: the significance of differences in proboscis length
E. Ranta, Lundberg, H., Teräs, I.	1981	Patterns of resource utilization in two Fennoscandian bumblebee communities
E. Ranta, Teräs, I., Lundberg, H.	1981	Phenological spread in flowering of bumblebee-pollinated plants
E. Ranta, Tiainen M.	1982	Structure in seven bumblebee communities in eastern Finland in relation to resource availability
E. Ranta, Vepsäläinen K.	1981	Why are there so many species? Spatio-temporal heterogeneity and northern bumblebee communities
E. Ranta, Vepsäläinen, K., Ås, S., Haila, Y., Pisarski, B., Tiainen, J.	1983	Island biogeography of ants (Hymenoptera, Formicidae) in four Fennoscandian archipelagoes