00614naa#a2200181#i#450# EN\\bibl\53457 20240515032650.3 0131-6184 20221014b2022####ek#y0engy0150####ca RU Spawning channels as a means of improving fish reproduction conditions on the Lower Don Journal article Moscow FSBI "TSUREN" 2022 5 с. Journal article local Рыбное хозяйство. 639.2/.3 в реках. 639.313 Shkura Viktor Nikolaevich Shevchenko Aleksey Viktorovich tsuren.editorum.ru