Botanicheskii zhurnal №5 / 2019 . 🔎 – P. 729-740 DOI: 10.1134/S0006813619040021 Citation database: Scopus 🔎 Heading: Сообщения 🔎 Authors: Абрамова Л. М. 🔎,
Мустафина А. Н. 🔎,
Каримова О. А. 🔎,
Шигапов З. Х. 🔎 Abstract: Представлены результаты изучения онтогенетической структуры ценопопуляций трех редких видов рода
Hedysarum L. в Республике Башкортостан и Оренбургской области:
H. grandiflorum Pall.,
H.argyrophyllum Ledeb. и
H.gmelinii Ledeb. Плотность исследованных ценопопуляций от 1.7 до 15.1 экз./м2. Усредненный онтогенетический спектр - центрированный с максимумом на средневозрастных особях. Ценопопуляции варьируют от молодых до зрелых (
H. grandiflorum и
H. gmelinii) и от молодых до стареющих (
H.argyrophyllum). Cостояние популяций исследованных видов на Южном Урале стабильное, дополнительных мер по охране в регионе не требуется. Для более малочисленного
H.argyrophyllum возможно придание охраняемого статуса территориям с хорошо сохранившимися локалитетами.
Keywords: род Hedysarum L., Республика Башкортостан, Оренбургская область,редкий вид, ценопопуляция, онтогенетическая структура
Name in english: Structure and state of populations of three rare species of the genus Hedysarum (Fabaceae) in the South Urals
Abstract in english: The article deals with the study of rare of
Hedysarum L. species in the Bashkortostan Republic and the Orenburg Region:
H. grandiflorum Pall.,
H. argyrophyllum Ledeb.,
H. gmelinii Ledeb.
H. grandiflorum is an Eastern European species with a fairly wide range (Volga-Kama and Volga-Don interfluves, the Volga region, the Ural region, part of Ukraine and Kazakhstan), listed in the Red Data Book of the Russian Federation with category 3, a rare species.
H. argyrophyllum is a South Ural endemic, protected in the Bashkortostan Republic and the Chelyabinsk Region.
H. gmelinii is a relic of Siberian origin, its main range extends from Altai and the mountains of Central Asia to Yakutia and Mongolia. The aim of the study was to research the characteristics of ontogenetic structure and the current state of coenopopulations of the 3 rare species of
Hedysarum in the Bashkortostan Republic and the Orenburg Region. The objectives of the study were to identify the ontogenetic state of plants and the density of coenopopulations. To study the ontogenetic structure and density of coenopopulations, 25 sample plots of 1 m2 were put on a transect in each of them. In 2016, 10 coenopopulations of
H. grandiflorum, 8 coenopopulations of
H. argyrophyllum and 7 coenopopulations of
H. gmelinii were surveyed in the Bashkortostan Republic and the Orenburg Region. The study of density has shown that in coenopopulations of
H. grandiflorum the density varies from 2.6 to 15.7 ind./m2, in coenopopulations of
H. argyrophyllum – from 1.7 to 15.1 ind./m2, in coenopopulations of
H. gmelinii – from 1.7 to 12.2 ind./m2. Studies of the ontogenetic structure showed that the species populations are normal, most of them are incomplete, and a number of
H. grandiflorum and
H. gmelinii coenopopulations are complete. In most of the studied populations, the peak occurs in medium-generation individuals. According to the delta-omega classification, the coenopopulations range from young to mature (
H. grandiflorum and
H. gmelinii coenopopulations) and from young to aging (
H. argyrophyllum coenopopulations). In general, all three studied rare species of
Hedysarum are quite numerous in the South Urals, with a high density, the state of coenopopulations is stable, additional protection measures in the region are not required. For
H. argyrophyllum it is possible to give protected status to the territories with well-preserved localities.
Keywords in English: genus Hedysarum, Republic of Bashkortostan, Orenburg Region, rare speciescenopopulation, ontogenetic structur
Абрамова Л. М., Мустафина А. Н., Каримова О. А., Шигапов З. Х. Структура и состояние популяций трех редких видов Hedysarum (Fabaceae) на Южном Урале // Botanicheskii zhurnal — 2019. — №5. — P. 729-740.