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Population characteristics of the regionally rare species Chamaerion dodonaei (Vill.) Holub. in Kamyanets Transdnistria

Population characteristics of the regionally rare species Chamaerion dodonaei (Vill.) Holub. in Kamyanets Transdnistria

Abstract

The phytodiversity protection problem at the regional level is a very relevant and necessary direction of modern sozology. After an inventory of vascular plants flora, conducted by L.H. Lubinska and L.S. Yuglichek the list of regionally rare species includes 168 species. The aim of this study is to research the features of the regionally rare species Chamaerion dodonaei (Vill.) Holub. The researched territory is located near the village of Sakhkamin, KamenetsPodilskyi district, Khmelnytskyi region and it is a ridge of calcite heaps which were formed as a result of calcite excavation. The age of the technogenic ecotopes under study is from one to 50 years, and the length is two km. Duration of the research is — 2012–2019. The study area includes significant species richness. 61 species of 24 families and divisions of Pinophyta and Magnoliophyta are growing here. The most numerous are the families Asteraceae and Rosaceae, and 12 families are represented by one species. According to dependence on calcium, we separated four environmental groups. Chamaerion dodonae is hypercarbonatophilus, biomorphic by shrub with long, thick and fleshy underground shoots. The species is common in Kamianets-Podilskyi, Chemerovetskyi, Dunaievetskyi districts of the Khmelnytsky region. The reasons for the change in numbers are the destruction of ecotopes.We have investigated ontomorphogenic statuses for Chamaerion dodonaei. The seedlings appear after fertilization and into the juvenile and immature statuses by the end of the growing season. The following vegetative year, the plants are in a status of immaturity. During the third year of development, in a virgin status, a life form is formed — a hemisphere. The ontogenic statuses of the species population are analyzed and the predominance of immature individuals is revealed. The population characterizes the pioneer settlement. For Chamerion dodonaei there is a posibility of an increase in territory and number of individuals in the population. But the ecotope is technogenic and, if necessary, can be devastated by industrial use. The population is at risk of death. Under natural conditions, this species is not found. Therefore, our proposal is to leave these heaps and create a reserve, despite the fact that it is a technogenic ecotope, and the regulation of the conditions for the growth of the species will ensure its existence.

Проанализирован процесс включения регионально редких видов в официальные списки раритетных видов Хмельницкой обл. Выявлено 168 видов, нуждающихся в охране на региональном уровне. Проведен анализ флоры отвалов известнякового карьера возле с. Сахкамень (Каменецкое Приднестровье) и выявлено 61 вид сосудистых растений, приведены семейный спектр, биоморфологичная, экологическая характеристики. Охарактеризованы экологическая и фитоценотическая структуры флоры. Одним из редких видов Хмельницкой обл. является Сhamaerion dodonaei (Vill.). Holub. Изучены его биологические особенности и описано онтоморфогенетическое состояние. Установлено, что проростки появляются после обсеменения, а к концу вегетационного периода переходят в ювенильное и иматурное состояния. В следующий вегетационный год растения находятся в иматурном состоянии. На третий год развития, в виргинильном состоянии, формируется жизненная форма — полукустарник. Проведен анализ состояния популяции вида в пределах Нигинского карьера. Выявлен левосторонний онтогенетический спектр популяции. Предложены мероприятия по сохранению вида и созданию заказника.

Проаналізовано процес включення регіонально рідкісних видів до офіційних списків раритетних видів Хмельницької обл. Виявлено 168 видів, які потребують охорони на регіональному рівні. Проведено аналіз флори відвалів вапнякового кар’єра біля с-ща Сахкамінь (Кам’янецьке Придністров’я) та виявлено 61 вид судинних рослин, наведено родинний спектр, біоморфологічну, екологічну характеристики. Охарактеризовано екологічну та фітоценотичну структури флори. Одним із рідкісних видів Хмельницької обл. є Сhamaerion dodonaei (Vill.). Holub. Вивчено його біологічні особливості та описано онтоморфогенетичні стани. Встановлено, що проростки з’являються після обнасінення, а до завершення вегетаційного періоду переходять в ювенільний та іматурний стани. У наступний вегетаційний рік рослини перебувають в іматурному стані. На третій рік розвитку, у віргінільному стані, формується життєва форма — напівкущик. Проведено аналіз стану популяції виду у межах Нігинського кар’єра. Виявлено лівобічний онтогенетичний спектр популяції. Запропоновано заходи зі збереження виду та створення заказника.

Keywords

regionally rare species; Chamaerion dodonaei (Vill.) Holub.; population; Kamyanets Transdnister, регионально редкий вид; Сhamaerion dodonaei; популяция; Каменецкое Приднестровье, регіонально рідкісний вид; Сhamaerion dodonaei; популяція; Кам’янецьке Придністров’я, 502(477:43)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold