Features of Littoral Ecotone of Middle Caspian Sea
(Within the Terek-Kuma Lowland)

A. N. Krasnova^a, A. I. Kuz’michev^a†, and M. I. Dzhalalova^b

^aPapanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, 152742 Russia

e-mail: krasa@ibiw.yaroslavl.ru

^bCaspian Institute of Biological Resources, Dagestan Scientific Centre, Russian Academy of Sciences,
Gadzhieva str. 45, Makhachkala, 367025 Russia

e-mail: d.marina.66@mail.ru

Received December 5, 2011

Abstract—Three blocks, i.e., aquatic, amphibial, and fluctuational, of the Caspian littoral ecotone within the
limits of Terek-Kuma Lowland have been allocated and characterized. The blocks differentiate in space and
time and represent complete formation; it is emphasized by specific saturation at a level of modern structure
and previous area genetic connections. The aquatic block is considered in detail. A comparison with flora of the
North Black Sea and the littoral ecotones of the North Azov Sea is carried out.

Keywords: Middle Caspian Sea, North Black Sea coast, North Azov Sea region, littoral, ecotone, block, aquatic,
amphibial, fluctuational, hydrophyte

DOI: 10.1134/S2079096113030050

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