Interannual dynamics of total dissolved phosphorus in habitats of coastal plant communities (Peter the Great Bay, Japan Sea)
https://doi.org/10.26428/1606-9919-2026-206-161-171
EDN: PKKTNA
Abstract
Interannual dynamics of total dissolved phosphorus (DTP) in habitats of marine coastal plant communities of Peter the Great Bay (Japan Sea) in the summer seasons of 2017–2024 were analyzed using hydrochemical and statistical methods. The pattern of DTP variations in Amur Bay was found to be nonlinear: DTP increased, on average, 3-fold in each 4th summer season compared to the minimum level of 0.03 mg/L (1.0 μM) that had been observed unchanged for the previous three years. The DTP contents in Ussuri Bay and in the Stark Strait had similar average values (approximately 3-fold lower than in Amur Bay) throughout the study period. In the Stark Strait, the DTP content remained at the same level, while in Ussuri Bay, it showed a slight tendency to decrease. Periodic rises in DTP content in the coastal waters of Amur Bay can be manifested as increases in primary and secondary
production in the coastal ecosystems of the bay.
Keywords
dissolved phosphorus content,
interannual dynamics,
coastal marine waters,
coastal ecosystems,
Peter the Great Bay
Supporting agencies: The study had budget funding
About the Authors
E. V. Levchenko
National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences
Russian Federation
Russian Federation
Elena V. Levchenko, Ph.D., researcher
690041; 17, Palchevsky Str.; Vladivostok
E. V. Zhuravel
Far Eastern Federal University
Russian Federation
Russian Federation
Elena V. Zhuravel, Ph.D., assistant professor
690922; Russian; 10, Ajax Bay
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Review
For citations:
Levchenko E.V., Zhuravel E.V. Interannual dynamics of total dissolved phosphorus in habitats of coastal plant communities (Peter the Great Bay, Japan Sea). Izvestiya TINRO. 2026;206(1):161-171. (In Russ.) https://doi.org/10.26428/1606-9919-2026-206-161-171. EDN: PKKTNA
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