Holarctic Marmots as a factor of Biodiversity.
Rumiantsev V.Yu;, Nikol'skii A.A. & Brandler O.V. eds.,
Abstracts, 3d Conference on Marmots (Cheboksary, Russia, 25-30 August 1997),
Moscow ABF 1997, 216p., 69 (Russian), 171 (English).


GEOGRAPHICAL VARIABILITY OF THE SPECTRAL STRUTURE OF STEPPE MARMOT'S (MARMOTA BOBAC) ALARM CALL


A.A. Nikol'skii

Ecological faculty, Russian peoples' friendship university, Moscow, Russia


It was done analysis of geographical variability of the spectral structure of steppe marmot's alarm call. The sign is index - ratio of frequency is 20 ms apart from the maximal frequency to the maximal frequency. Signal was tape-recorded in field conditions (the working names of populations are indicated in brackets): 1. (Nesterivka) the Ukraine, Kharkov region, Velikii Burluk district. 2. (Baibachii) the Ukraine, Lugansk region, Melovoye district. 3. (Saratov right) Saratov region, Saratov district. 4. (Shilovka) Ulyanovsk region. 5. (Grachevka) Orenburg region, Grachevka district. 6. (Svetlii) Orenburg region, Svetlii district. 7. (Naumovka) Kazakhstan, Zelinograd region, Alekseevka district. 8. (Semisbugi) Kazakhstan, Karaganda region, Ulianovsk district.

Statistic of the Homogeneous Groups indicate that above-named populations form 3 groups: 1 - Nesterivka, Baibachii, Grachevka, Svetlii; 2 - Saratov right, Shilovka; 3 - Naumovka, Semisbugi.

Surprise, that marmots from Orenburg region get in one group with marmots from the Ukraine. Possibly, the marmots from the Ukraine and Orenburg region are relict of the same time. Except of the latter, our results quite conform to idea of V. Rumyantsev (1997) on the geographical populations of steppe marmot.


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