Erika Weisz

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Recreational boats in tow between lakes are a known vector of the spread of aquatic invading species (AIS), but we have no test of the hypothesis that recreational boats are also a vector of secondary spread of AIS among freshwater ecosystems via in-water transport i.e., while boating between interconnected waterways. In this study, we surveyed recreational(More)
The abundance of the native, pelagic macroinvertebrate predator, Leptodora kindtii, is negatively correlated with the abundance of a new invasive competitor, Bythotrephes longimanus, in a small number of Canadian Shield lakes. However, we do not yet know if Bythotrephes is replacing Leptodora on a regional scale. We determined the distribution of both(More)
Intergroup threat harms attitudes toward the outgroup, leading to greater levels of prejudice and outgroup derogation (Rothgerber, 1997). Two experiments were conducted to examine (1) if perspective taking mitigates the negative influence of threat on explicit and implicit intergenerational attitudes and, if so, (2) whether this buffering effect would be(More)
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