Comparison of dominance profiles of trematodes in Poland (PL, thick line, black dots) and the Czech Republic (CZ, thin line, white dots) and dependence of prevalence value on the trematode's position in the rank order of these values. (A) Trematodes in juvenile Mallards (Anas platyrhynchos). (B) Trematodes in adults. Species codes: AG=Apatemon gracilis; AM=Australapatemon minor; BP=Bilharziella polonica; CB=Cotylurus brevis; CC=Cotylurus cornutus; CR=Cotylurus raabei; CS=Cotylurus strigeoides; CO=Cyathocotyle opaca; CP=Cyathocotyle prussica; EM=Echinostoma miyagawai; EP=Echinostoma paraulum; EV=Echinostoma revolutum; EC=Echinoparyphium recurvatum; HC=Hypoderaeum conoideum; LC=Leucochloridiomorpha constantiae; LL=Leucochloridiomorpha lutea; LP=Leucochloridium perturbatum; MX=Metorchis xanthosomus; NA=Notocotylus attenuatus; NE=Notocotylus ephemera; PA=Parorchis acanthus; PC=Prosthogonimus cuneatus; PV=Prosthogonimus ovatus; PP=Prosthogonimus pellucidus; PU=Prosthogonimus rarus; PE=Plagiorchis elegans; PX=Psilochasmus oxyurus; PB=Parastrigea robusta; PS=Psilotrema simillimum; PM=Psilotrema spiculigerum; SG=Sphaeridiotrema globulus; TS=Typhlocoelum sisowi. Species codes are not given for values below 5%.