Krainyuk Vn 1

1. The range of marsh frogs (complex Pelophylax ridibundus, Amphibia, Ranidae) in Kazakhstan: Progressive dispersal or cyclic fluctuations?
2. Intragroup variability of growth in perch, Perca fluviatilis L., 1758 (Percidae) in waterbodies in the watershed of the Middle Ishim
3. The First Record of the European Weatherfish Misgurnus fossilis (Cobitidae) in Kazakhstan Waters
4. Diversity, Phylogenetic Relationships and Distribution of Marsh Frogs (the Pelophylax ridibundus complex) from Kazakhstan and Northwest China
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