© 2009. .F. Zaitsev, E.I. Meliakina, L.Y. Nozdrina
Estimate of the Caspian seal population number
The Caspian seal is the only marine mammal in the Caspian Sea, a unique endemic species, endangered. This seal is the top of the trophic pyramid in the Caspian Sea, and the status of its population can be an indicator of well-being of the ecosystem of this large region…
Photo: Evgeny Polonsky.