Ontology highlight
ABSTRACT:
SUBMITTER: Salo P
PROVIDER: S-EPMC1950296 | biostudies-literature | 2007 May
REPOSITORIES: biostudies-literature
Salo Pälvi P Korpimäki Erkki E Banks Peter B PB Nordström Mikael M Dickman Chris R CR
Proceedings. Biological sciences 20070501 1615
Alien predators are widely considered to be more harmful to prey populations than native predators. To evaluate this expectation, we conducted a meta-analysis of the responses of vertebrate prey in 45 replicated and 35 unreplicated field experiments in which the population densities of mammalian and avian predators had been manipulated. Our results showed that predator origin (native versus alien) had a highly significant effect on prey responses, with alien predators having an impact double tha ...[more]