Risto A. Väisänen

Estimating Relative Densities of Breeding Birds by the Line Transect Method

Olli Järvinen, Risto A. Väisänen, Olli Järvinen et al. · Oikos · 1975 · 168 citations

Breeding Behavior, Breeding Birds, Engineering +17

Role of Heredity in Egg Size Variation in the Great Tit Parus major and the Pied Flycatcher Ficedula hypoleuca

Mikko Ojanen, Markku Orell, Risto A. Väisänen · Ornis Scandinavica · 1979 · 113 citations

Selective Correlation of Egg Size with Chick Mortality in the Black-Headed Gull (Larus ridibundus)

C. Lundberg, Risto A. Väisänen · Ornithological Applications · 1979 · 104 citations · Full text

Biology, Selective Correlation, Reproductive Success +9

Climate change, migratory connctivity and changes in laying date and clutch size of the pied flycatcher

Toni Laaksonen, Markus Ahola, Tapio Eeva et al. · Oikos · 2006 · 102 citations

Biology, Breeding Behavior, Laying Dates +13

Reproduction of Pied Flycatchers (Ficedula hypoleuca) in Good and Bad Breeding Seasons in a Northern Marginal Area

Antero Järvinen, Risto A. Väisänen · The Auk · 1984 · 102 citations

Breeding Behavior, Fitness, Ficedula Hypoleuca +16