Host population density as the major determinant of endoparasite species richness in floodplain fishes of the upper Paraná River, Brazil

A comparative analysis of parasite species richness was performed across 53 species of fish from the floodplain of the upper Paraná River, Brazil. Values of catch per unit effort, CPUE (number of individuals of a given fish species captured per 1000 m2 of net during 24 h) were used as a rough measur...

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