A method for accounting and identifying the linear sizes of Caspian seals

© 2020. M.T. Baimukanov *, L.A  Zhdanko, T.T. Baimukanov, E.S. Dauynev, S.E. Ryskulov, A.M. Baimukanova,  the Institute of Hydrobiology and Ecology, Irgely, 040916, Kazakhstan. *

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Caspian seal rookeries are disappearing in the Caspian

Over the past 20 years, the number of Caspian seals has declined by 4 times, and over the century – by 10 times.

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