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Impact of helpers on colony productivity in a primitively eusocial bee

Brand, Nayuta ; Chapuisat, Michel

In: Behavioral Ecology and Sociobiology, 2014, vol. 68, no. 2, p. 291-298

Université de Fribourg

Environmentally mediated reproductive success predicts breeding dispersal decisions in an early successional amphibian

Boualit, Laurent ; Pichenot, Julian ; Besnard, Aurélien ; Helder, Rémi ; Joly, Pierre ; Cayuela, Hugo

In: Animal Behaviour, 2019, vol. 149, p. 107–120

Dispersal is a central mechanism in ecology and evolution. Dispersal evolution is driven by a trade-off between costs and benefits, which is influenced by interindividual variability and local environmental conditions (context-dependent dispersal). Many studies have investigated how dispersal decisions may be influenced by environmental factors, including density, predation and interspecific...