Changes in the habitats of the great bustard Otis tarda and the little bustard Tetrax tetrax under the influence of agricultural activities in the Saratov Trans-Volga region

Second edition. First publication: Oparina O.S., Oparin M.L. 2018. Change in the bustard habitats under the influence of agricultural activity in the Saratov Trans-Volga // Ornithology: history, traditions, problems and prospects. Materials vseros. Conf. 120th birthday of prof. G.P. Dementieva. M .: 279-285.