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Bibliothèque cantonale jurassienne

Winton dinosaur trackways

Wade, Mary ; Molnar, Ralph E.

In: Geology : Queensland Museum, 2000, p. Non paginé

Université de Fribourg

What determines the impact of alien birds and mammals in Europe?

Kumschick, Sabrina ; Bacher, Sven ; Blackburn, Tim M.

In: Biological Invasions, 2013, vol. 15, no. 4, p. 785-797

An often-cited reason for studying the process of invasion by alien species is that the understanding sought can be used to mitigate the impacts of the invaders. Here, we present an analysis of the correlates of local impacts of established alien bird and mammal species in Europe, using a recently described metric to quantify impact. Large-bodied, habitat generalist bird and mammal species...

Bibliothèque cantonale jurassienne

When I was six years old, I found a plastic dinosaur in a box of cereal

Currie, Philip J

In: Make a saurus : my life with raptors and other dinosaurs, 2000///

Bibliothèque cantonale jurassienne

A xiphisternal from the dinosaur Park Formation (Campanian, Upper Cretaceous) of Alberta, Canada

Godfrey, Stephen J. ; Currie, Philip J

In: Canadian journal of earth sciences = Journal canadien des sciences de la terre, 1994, vol. 31, p. 1661

Université de Fribourg

Winter weather affects asp viper Vipera aspis population dynamics through susceptible juveniles

Altwegg, Res ; Dummermuth, Stefan ; Anholt, Bradley R. ; Flatt, Thomas

In: Oikos, 2005, vol. 110, no. 1, p. 55-66

Detailed studies on mammals and birds have shown that the effects of climate variation on population dynamics often depend on population composition, because weather affects different subsets of a population differently. It is presently unknown whether this is also true for ectothermic animals such as reptiles. Here we show such an interaction between weather and demography for an ectothermic...