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The age spectrum of coenopopulations of Russian hazel grouse (Fritillaria Ruthenica Wikstr.) In Balashov district in 2016

Shapovalova Anna Alekseevna  (Associate professor of the FSBEI HE “Saratov national research state university named after N.G. Chernyshevsky” The Balashov institute (branch), Balashov, Saratov region )

Fritillaria ruthenica Wikstr. is a rare and protected plant included in the Red Book of Russia as well as in the Red Book of Saratov region. In 2016 six coenopopulations of F. Ruthenica were studied in Balashov district of Saratov region. On 92 temporary experimental areas with a size of 1 m2 1203 specimens were described. The age spectra of F. Ruthenica were made. In all the coenopopulations the age spectra of F. Ruthenica are normal, non full-member, bicuspidate with the dominance of juvenile and generative plants. The index of recovery in the coenopopulations ranges from 1,96 till 4,30, the index of age – 0,14-0,20, the index of effectiveness – 0,36-0,46. According to the classification of A.A. Uranov “delta-omega” all the coenopopulations are young.

Keywords:coenopopulation, age spectrum, rare plants, index of recovery, index of age, index of effectiveness, Fritillaria ruthenica.
 

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Citation link:
Shapovalova A. A. The age spectrum of coenopopulations of Russian hazel grouse (Fritillaria Ruthenica Wikstr.) In Balashov district in 2016 // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2017. -№11. -С. 31-35
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