L1 - http://journals.pan.pl/Content/111675/PDF/Czerniejewski%20Brysiewicz%20et%20al.pdf L2 - http://journals.pan.pl/Content/111675 PY - 2019 IS - No 40 KW - invasive species KW - fish KW - fish age KW - fish condition KW - fish growth KW - Pseudorasbora parva, KW - small river A1 - Czerniejewski, Przemysław A1 - Zatoń, Kinga A1 - Kasowska, Natalia A1 - Brysiewicz, Adam PB - Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute T1 - Age structure, condition and length increase of the topmouth gudgeon (Pseudorasbora parva Schlegel 1842) in non-native populations of small rivers of Poland UR - http://journals.pan.pl/dlibra/publication/edition/111675 T2 - Journal of Water and Land Development