Reconstruction of the Late Holocene Environment of Central Yakutia Based on Fossil Invertebrates and Plants from a Buried Lake at the Vilyuy River Valley-Reference-Cited by-同舟云学术

Reconstruction of the Late Holocene Environment of Central Yakutia Based on Fossil Invertebrates and Plants from a Buried Lake at the Vilyuy River Valley

Published:2023-08-01 Issue:15 Volume:15 Page:2790
ISSN:2073-4441
Container-title:Water
language:en
Short-container-title:Water

Author:

Kuzmina S. A.¹^ORCID,Micharevich M. V.²³,Basilyan A. E.⁴,Lytkin V. M.³^ORCID,Shaposhnikov G. I.³,Vasilyeva A. N.³,Pavlova M. P.³,Ponomarenko E.⁵,Galanin A. A.³

Affiliation:

1. Laboratory of Arthropods, Borissiak Paleontological Institute, RAS, Profsoyuznaya 123, Moscow 117868, Russia

2. Siberian Research Institute of Geology, Geophysics and Mineral Resources, Krasny Avenue 67, Novosibirsk 630091, Russia

3. Melnikov Permafrost Institute of the Siberian Branch of the Russian Academy of Science 36, Merzlotnaya Str., Yakutsk 677010, Russia

4. Geological Institute, Russian Academy of Science, Pyzhevsky Lane, 7, Moscow 119017, Russia

5. Department of Geography, Environment and Geomatics, University of Ottawa, Simard Hall, 60 University, Ottawa, ON K1N 6N5, Canada

Abstract

We present the first record of Holocene fossil insect assemblages from Central Yakutia. A stratigraphic sequence in the locality within the Vilyuy River valley is a buried oxbow. The late Holocene water body inherited an impervious stratum from the late Pleistocene. The organic layer preserved rich fossil assemblages of macrofossils including insects and other invertebrates, plants, and charcoal. The ancient flora and fauna include species that are common in Yakutia as well as those that are rare and absent in the region. The most abundant finds are leech cocoons and bogbean seeds. The macrofossils of some insects were found along with remains of their host plants. Despite the absence of intensive human land use in the area, traces of fires were recorded. The oxbow represents the environment of a floodplain wetland that developed separately from the ecosystem of the adjacent sand dunes.

Funder

RSF

RFBR

Publisher

MDPI AG

Subject

Water Science and Technology,Aquatic Science,Geography, Planning and Development,Biochemistry

Link

https://www.mdpi.com/2073-4441/15/15/2790/pdf

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