#IMC: September 14 - 18 2025

First results of the research project “Impact of past and current trenchant climatic and environmental changes on Armenian Highland lake ecosystems“

Assigned Session: FS 3.159: Understanding and managing mountain ecosystems in a changing climate: integrating long-term data for action

Abstract ID: 3.11471 | Not reviewed | Requested as: Talk | TBA | TBA

Grigorii Fedorov (1)
Grigorii, Fedorov (2); Irina, Fedorova (2); Ivan, Gabrielyan (2); Narine, Hayrapetyan (2); Dmitrii, Sadokov (3); Lian, Khumaryan (2)

(1) National Academy of Sciences of Armenia, Acharyan, 1, 0063 Yerevan, AM
(2) A. Takhtajan Institute of Botany, National Academy of Sciences of the Republic of Armenia, Acharyan, 1, 0063, Yerevan, Armenia
(3) Shenzhen MSU-BIT University, Shenzhen, China

Categories: Paleoperspective
Keywords: Armenian alpine lakes, Lake Sevan, long-term enviromental data, climate changes

Categories: Paleoperspective
Keywords: Armenian alpine lakes, Lake Sevan, long-term enviromental data, climate changes

Abstract
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We present here the first results of the research project started in summer 2023 and aimed to evaluation of lakes responses to past and current climate changes. The overall goal of the project is to evaluate the impact of recent climate change and other anthropogenic stressors on Armenian alpine lake ecosystems with a special focus on the largest Caucasus Lake Sevan by using data from present and past conditions to assess changes in ecosystem functions. Several smaller alpine lakes are selected that are in different environmental conditions to be able to characterize the response of different mountain lake ecosystems to external forcing. The project involves lake sediments coring followed by dating, paleobotanical and geochemical analyses as well as hydrological, hydrochemical and hydrobiological studies of all target lakes. Relatively deep sediment coring (up to 20 m of sediment depth) of Lake Sevan by using percussion piston coring system is planned for summer 2025. The work is supported by the Ministry of Education, Science, Culture and Sports of Armenia, Higher Education and Science Committee in the frame of research project IMPACT (23IRF-1E02).

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