| Issue |
E3S Web Conf.
Volume 555, 2024
Relevant Issues of Ecology and Environmental Management (RIEEM-2024)
|
|
|---|---|---|
| Article Number | 02014 | |
| Number of page(s) | 8 | |
| Section | Population Ecology and Human Ecology | |
| DOI | https://doi.org/10.1051/e3sconf/202455502014 | |
| Published online | 30 July 2024 | |
Structure and heterogeneity of the Cladocera taphocoenoses in lakes of the Sredny Island (Keretsky archipelago, Kandalaksha bay of the White Sea)
1 Kazan Federal University, 420008 Kremlyovskaya 18, Kazan, Russia
2 Russian Federal Research Institute of Fisheries and Oceanography, 105181 Okruzhnoy proezd 19, Moscow, Russia
3 North-Eastern State University, 677891 Belinsky 58, Yakutsk, Russia
4 Dagestan State University, 367000 Magomet Gadzhiev 43-a, Makhachkala, Russia
5 Institute of Archaeology and Ethnography SB RAS, 630090 Acad. Lavrentiev Avenue 17, Novosibirsk, Russian Federation
* Corresponding author: andrsmir@mail.ru
Surface sediments, which were selected from various depths in three lakes of the Sredny Island (Karelia, Russia), were analyzed for subfossil Cladocera assemblages. In total at least 30 taxa remains were identified in samples of surface sediments. Predominance of cold-water littoral and cosmopolitan taxa was noted according to biotypic characteristic. Eurybiont Chydorus cf. sphaericus and typical of wetlands, the phytophilous Alonella nana, were most common in Cladocera taphocoenoses. Spatial heterogeneity was noted in subfossil Cladocera assemblages from various depths. Pelagic taxa proportion increased just as littoral taxa proportion decreased towards the center of lake. Several species remains were only found in littoral surface sediments samples.
© The Authors, published by EDP Sciences, 2024
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