Spatial distribution of pollen in the Sea of Japan’s modern bottom sediments
https://doi.org/10.52349/0869-7892_2025_104_23-29
Abstract
The paper reveals pollen and spore findings from the Sea of Japan’s bottom sediments, namely the Tartary Trough, continental slope of Primorye, Russian Far East, as well as Northern Yamato and Pervenets rises in 2010. The Tartary Trough sediments contain a high percentage of pine, birch, and spruce pollen. Dominance of coniferous (spruce and pine) pollen is associated with the wide-spread distribution of the species as well as ability of this pollen to be aerially dispersed for hundreds of kilometers. Coniferous pollen (pine, spruce, and fir amount to approximately 90 %) and oak pollen (up to 20 %) dominate in the Pervenets Rise sediments. Pine and oak pollen prevail in the Northern Yamato Ridge sediments. Oak pollen presence in marine sediments increases from north to south, consistent with its range in the Sea of Japan region. The obtained data are likely to contribute to interpreting pollen records of marine sediments and paleoreconstruction of environmental conditions and climate.
Keywords
Sea of Japan region,
Sakhalin Island shelf,
marine bottom sediments,
pollen analysis,
pollen spectrum,
sea currents
Supporting agencies: the Laoshan Laboratory (LSKJ202204203) and Mount Tai Science Program of Shandong Province (tspd20181216) funded the data-collecting expedition. The research was supported by state geological study no. 124022100084-8.
About the Authors
Yu. V. Novoselova
V. I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences
Россия
Competing Interests:
Россия
Yulia V. Novoselova, PhD (Geography), Junior Researcher
ResearcherID HQY-6138-2023
Vladivostok
Competing Interests:
the authors declare no conflicts of interest
S. A. Gorbarenko
V. I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences
Россия
Competing Interests:
Россия
Sergey A. Gorbarenko, DSc (Geology and Mineralogy), Chief Researcher
Scopus Author ID 6701331486
ResearcherID A-7055-2016
Vladivostok
Competing Interests:
the authors declare no conflicts of interest
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For citations:
Novoselova Yu.V., Gorbarenko S.A. Spatial distribution of pollen in the Sea of Japan’s modern bottom sediments. Regional Geology and Metallogeny. 2025;32(4 (104)):23-29. (In Russ.) https://doi.org/10.52349/0869-7892_2025_104_23-29
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