danДоклады Национальной академии наук БеларусиDoklady of the National Academy of Sciences of Belarus1561-83232524-2431The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8323-2025-69-3-214-221dan-1254Research ArticleБИОЛОГИЯBIOLOGYГенетическое разнообразие белорусских популяций лосняка Лезеля (Liparis loeselii (L.) Rich. (Orchidaceae))Genetic diversity of Belarusian populations of Liparis loeselii (L.) Rich. (Orchidaceae)ГуднаяН. В.HudnayaN. V.

Гудная Наталья Владимировна – науч. сотрудник

ул. Сурганова, 2в, 220012, Минск

Hudnaya Natalia V. – Reseаrcher

2v, Surganov Str., 220012, Minsk

N.Samakhvalava@cbg.org.byМяликА. Н.MialikA. N.

Мялик Александр Николаевич – канд. биол. наук,заведующий сектором

ул. Сурганова, 2в, 220012, Минск

Mialik Aliaksandr N.– Ph. D. (Biology), Head of the Sector

2v, Surganov Str., 220012, Minsk

aleksandr-Mialik@yandex.ruТитокВ. В.TitokV. V.

Титок Владимир Владимирович – член-корреспондент, д-р биол. наук, доцент, гл. науч. сотрудник

ул. Сурганова, 2в, 220012, Минск

Titok Vladimir V. – Corresponding Member, D. Sc. (Biology), Assistant Professor, Chief Researcher

2v, Surganov Str., 220012, Minsk

V.Titok@cbg.org.byЦентральный ботанический сад Национальной академии наук БеларусиCentral Botanical Garden of the National Academy of Sciences of Belarus202510072025693214221Copyright © Гудная Н.В., Мялик А.Н., Титок В.В., 20252025Гудная Н.В., Мялик А.Н., Титок В.В.Hudnaya N.V., Mialik A.N., Titok V.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.belnauka.by/jour/article/view/1254

Представлены результаты изучения генетического разнообразия популяций Liparis loeselii (L.) Rich. (лосняка Лезеля) с использованием молекулярных iPBS маркеров. Образцы для анализа были собраны в шести популяциях, произрастающих на территории Гродненской, Минской и Витебской областей. В результате проведенных исследований показано, что наибольшим уровнем генетического разнообразия характеризовались популяции с превалирующей численностью растений и, вероятно, возрастом происхождения. Преобладание внутрипопуляционного генетического разнообразия (74 %), а также невысокий уровень потока генов указывают, что генетический дрейф оказывает значительное влияние на формирование генетической структуры L. loeselii. В целом полученные данные свидетельствуют о невысоком адаптационном потенциале L. loeselii, что позволяет дать неблагоприятный прогноз его сохранения в естественных условиях с учетом климатических изменений, а также сукцессионных процессов, протекающих в болотных биотопах.

The article presents the results of a study of the genetic diversity of Liparis loeselii (L.) Rich. populations using molecular iPBS markers. Samples for analysis were selected from six populations located at the southern border of the species’ range in the Grodno, Minsk, and Vitebsk regions of Belarus. The findings indicate that higher levels of genetic diversity are associated with populations that exhibit larger areas, greater numbers of plants, and potentially older ages of the population itself. The predominance of intrapopulation genetic diversity (74 %), as well as a low level of gene flow, indicate that genetic drift significantly affects the formation of the genetic structure of L. loeselii. The obtained data generally indicate a low adaptive potential of L. loeselii. Сonsequently, an unfavorable forecast for its conservation in the wild is provided, taking into account the current climate dynamics, as well as successional changes occurring within the bog biotopes.

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The authors declare that there are no conflicts of interest present.