Abcutecologia and biologia of Paeonia tenuifolia L. in the central part of Middlt Volga highland
Annatation: In this article are represented the results of cenopopulation exploration for Paeonia tenuifolia L., in the scuth of Uljanovsk region, which were held in standart methods. Indicated the interaction of projectical surface and the abudance of Paeonia tenuifolia L. in studied cenopopulation, the character of this population. In the article is also described the age structure of explorated population. All calculations were held on geobotanical a sguares, which were built by us in 2008 year.