sourceTaxonName: Gymnocephalus cernua
targetTaxonName: unidentified chironomids
localityName: Sweden|southern Sweden.
referenceCitation: Bergman, E. 1990. Effects of roach <i>Rutilus rutilus</i> on two percids, <i>Perca fluvialitis</i> and <i>Gymnocephalus cernua</i>: importance of species interactions for diet shifts. OIKOS 57(2):241-249.