Impact of introduced brown trout on native fish communities in the Pilica River catchment (Poland)


We compared post- and pre-introduction data for the upper Pilica River and its tributaries to investigate the impact of introduced non-native brown trout on native fish communities. Extirpations of species were recorded. More changes concerned differences in abundance and distribution in the investigated rivers rather than extirpations. Human stressors… (More)
DOI: 10.1023/A:1007595628131