Chironomids of thermal and karst springs of the Bolshezemelskaya tundra

Pymvashor Creek is the northernmost in continental Europe hydrothermal system (Bolshezemelskaya tundra, Northeast of European Russian Arctic). Our study aimed to investigate the taxonomic composition and abundance of chironomids and to evaluate the relationship of these parameters with the water tem...

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Bibliographic Details
Published in:Aquatic insects 2024-07, Vol.45 (3), p.370-383
Main Authors: Loskutova, Olga A., Kondratjeva, Tatjana A., Nazarova, Larisa B.
Format: Article
Language:English
Subjects:
Abundance
arctic
Chironomids
Coastal inlets
Creeks
Geothermal springs
Hot springs
hydrothermal ecosystem
Hydrothermal systems
Karst
Pseudodiamesa
Pymvashor Creek
springs
Taxonomy
Temperature gradients
Tundra
Water springs
Water temperature
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Summary:Pymvashor Creek is the northernmost in continental Europe hydrothermal system (Bolshezemelskaya tundra, Northeast of European Russian Arctic). Our study aimed to investigate the taxonomic composition and abundance of chironomids and to evaluate the relationship of these parameters with the water temperature along the thermal gradient in the arctic Pymvashor Creek thermal system. The greatest taxonomic richness and abundance of chironomids were found in tepid waters (25 chironomid taxa), where Orthocladiinae dominated chironomid communities. Eurybiotic Chironomus Meigen, 1803 species dominated thermal springs. Cold stenotherm Pseudodiamesa (Pseudodiamesa) nivosa (Goetghebuer, 1928) and Eukiefferiella claripennis (Lundbeck, 1898) prevailed in cold karst springs. The chironomid faunas of thermal, tepid, and cold parts of the Pymvashor Creek hydrothermal water system differ statistically significantly.
ISSN:0165-0424
1744-4152
DOI:10.1080/01650424.2023.2299816