On the current state of the gadwall Anas strepera resources in the south of Central Siberia

Second edition. First publication: Savchenko A.P., Emelyanov V.I., Savchenko P.A., Karpova N.V., Chap N.V., Koshkina L.A., Putintsev A.V. 2016. On the current state of the resources of the gray duck Anas strepera Linnaeus, 1758 in the south of Central Siberia // Successes in modern science and education 5, 6: 126-130.