The cost of travel: how dispersal ability limits local adaptation in host-parasite interactions

Pieter Johnson, Dana Calhoun, Wynne Moss, Travis McDevitt-Galles, Tawni Riepe, Joshua Hallas, Thomas Parchman, Chris Feldman, Josh Cropanzano, Jay Bowerman, Tyler Achatz, Vasyl Tkach & Janet Koprivnikar
Classical theory suggests that parasites will exhibit higher fitness in sympatric relative to allopatric host populations (local adaptation). However, evidence for local adaptation in natural host-parasite systems is often equivocal, emphasizing the need for cross-infection experiments conducted over realistic geographic scales and comparisons among species with varied life history traits. Here, we conducted cross-infection experiments to test how two trematode (flatworm) species (Paralechriorchis syntomentera and Ribeiroia ondatrae) with differing dispersal abilities varied in the strength...
1 citation reported since publication in 2021.
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