Size-dependent functional response of the round goby Neogobius melanostomus; implications for more accurate impact potential calculation
Pavel Franta,
Radek Gebauer,
Lukáš Veselý
et al.
Abstract:Abundance and per-capita foraging efficiency are essential factors for predicting and quantifying an invasive predator impact on prey, i.e., the impact potential (IP). However, population structure is not included in the calculation, and IP accuracy might be improved by incorporating predator body size. The population structure of the round goby Neogobius melanostomus, a highly invasive predator, was surveyed in the Elbe River. We determined the functional response (FR, per capita foraging) of the three most a… Show more
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