Université de Fribourg

Phylogenetic signal in predator–prey body-size relationships

Naisbit, Russell E. ; Kehrli, Patrik ; Rohr, Rudolf Philippe ; Bersier, Louis-Félix

In: Ecology, 2011, vol. 92, no. 12, p. 2183–2189

Body mass is a fundamental characteristic that affects metabolism, life history, and population abundance and frequently sets bounds on who eats whom in food webs. Based on a collection of topological food webs, Ulrich Brose and colleagues presented a general relationship between the body mass of predators and their prey and analyzed how mean predator–prey body-mass ratios differed among...

Université de Fribourg

Variable success of biological control of Lythrum salicaria in British Columbia

Denoth, Madlen ; Myers, Judith H.

In: Biological Control, 2005, vol. 32, p. 269

Purple loosestrife, Lythrum salicaria, has invaded North American wetlands over the last 200 years. A biological control project was started in British Columbia, Canada, in 1993 with the introduction of Galerucella calmariensis, a leaf- feeding beetle of European origin. To evaluate the success of the biological control project in the Lower Mainland of British Columbia, we...