Invasive predator diet plasticity has implications for native fish conservation & invasive species suppression

Hayley Glassic, Christopher Guy, Dominique Lujan, Lusha Tronstad, Michelle Briggs, Lindsey Albertson & Todd Koel
Diet plasticity is a common behavior exhibited by piscivores to sustain predator biomass when preferred prey biomass is reduced. Invasive piscivore diet plasticity could complicate suppression success; thus, understanding invasive predator consumption is insightful to meeting conservation targets. Here, we determine if diet plasticity exists in an invasive apex piscivore and how plasticity could influence native species recovery benchmarks and invasive species suppression goals. We compared diet and stable isotope signatures of invasive lake trout...
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