Emtsev
Alexander Alexandrovich,
candidate of biology, leading research Officer of Scientific and educational center of the Institute of Natural and Technical Sciences of Surgut State University,
e-mail: alemts@mail.ru

To the question of ornithological securing of flights in the airports “Surgut”, “Noyabrsk”, “Beloyarsky” and “Talakan”
Emtsev A.
         2018,    N 4