Email this article DISCOVERY OF SIBOGLINIDS (ANNELIDA, SIBOGLINIDAE) IN THE ESTUARIES OF THE LARGEST ARCTIC RIVERS ARE ASSOCIATED WITH PERMAFROST GAS HYDRATES
- Authors: Karaseva N.P.1, Rimskaya-Korsakova N.N.1, Kokarev V.N.2, Simakov M.I.3, Smirnov R.V.4, Gantsevich M.M.1, Malakhov V.V.1
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Affiliations:
- Lomonosov Moscow State University
- Faculty of Biological Sciences and Aquaculture, Nord University
- Shirshov Institute of Oceanology RAS
- Zoological Institute RAS
- Issue: Vol 509, No 1 (2023)
- Pages: 133-136
- Section: Articles
- URL: https://journals.rcsi.science/2686-7389/article/view/135635
- DOI: https://doi.org/10.31857/S2686738922600832
- EDN: https://elibrary.ru/LZIRJL
- ID: 135635
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Abstract
In the estuaries of the largest Arctic rivers, namely, the Yenisei, Lena and Mackenzie, marine worms of the family Siboglinidae have been found. Their metabolism is provided by symbiotic chemoautotrophic bacteria. The strong salinity stratification characteristic of the estuaries of the largest Arctic rivers ensures high salinity at depths of 25–36 m, where siboglinids were found. High concentrations of methane necessary for the metabolism of siboglinids arise because of dissociation of permafrost gas hydrates under the influence of river runoff in the conditions of Arctic warming
Keywords
About the authors
N. P. Karaseva
Lomonosov Moscow State University
Email: mgantsevich@gmail.com
Russian Federation, Moscow
N. N. Rimskaya-Korsakova
Lomonosov Moscow State University
Email: mgantsevich@gmail.com
Russian Federation, Moscow
V. N. Kokarev
Faculty of Biological Sciences and Aquaculture, Nord University
Email: mgantsevich@gmail.com
Norway, Bodø
M. I. Simakov
Shirshov Institute of Oceanology RAS
Email: mgantsevich@gmail.com
Russian Federation, Moscow
R. V. Smirnov
Zoological Institute RAS
Email: mgantsevich@gmail.com
Russian Federation, Saint-Petersburg
M. M. Gantsevich
Lomonosov Moscow State University
Author for correspondence.
Email: mgantsevich@gmail.com
Russian Federation, Moscow
V. V. Malakhov
Lomonosov Moscow State University
Email: mgantsevich@gmail.com
Russian Federation, Moscow
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