ISSN 1067-4136, Russian Journal of Ecology, 2006, Vol. 37, No. 2, pp. 143–145. © Pleiades Publishing, Inc., 2006. Original Russian Text © O.V. Degtyar’, V.I. Chernyavskikh, 2006, published in Ekologiya, 2006, No. 2, pp. 156–158. SHORT COMMUNICATIONS The Environment-Forming Role of Endemic Species in Calciphilous Communities of the Southern Central Russian Upland O. V. Degtyar’ and V. I. Chernyavskikh Botanical Garden, Belgorod State University, ul. Pobedy 85, Belgorod, 308018 Russia Received March 2, 2005 DOI: 10.1134/S1067413606020135 Key words: chalk outcrops, calciphilous communities, endemics of the southern Central Russian Upland, mac- roelements. The territory of chalk deposits in the south of Russia atures above 10°C in this area averages 157 days, aver- has always been of interest to researches due to its spe- age annual precipitation is 486 mm, and annual average ciﬁc geographic features, historical and geological past, air temperature is 6.2°C. The absolute maximum and the presence of unique natural complexes with chalk absolute temperatures are 43 and –38°C. outcrops, and ﬂoristic diversity (Taliev, 1905; Kozo- Geobotanical descriptions were made and soil and Polyanskii, 1931). plant samples were taken in 4-m test plots (6 plots per Primary successions in the vegetation of this region community dominated by one
Russian Journal of Ecology – Springer Journals
Published: Mar 25, 2006
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