Contents

Oceanology


Vol. 65, No. 5, 2025


MARINE PHYSICS

Seasonal and Interannual Variability of the Upper Mixed Layer Properties in the Barents Sea

V. V. Ivanov, A. A. Sumkina, A. V. Smirnov, and K. K. Kivva p. 643  abstract

Regime of the Currents in the Southern Part of the Kerch Strait

I. B. Zavialov, P. O. Zavialov, V. V. Kremenetsky, and A. A. Nedospasov p. 656  abstract


MARINE CHEMISTRY

Spatiotemporal Variability and Transformation of Nutrients in the Gulf of Ob after Seasonal Ice Melt

A. A. Polukhin and S. V. Stepanova p. 668  abstract


MARINE BIOLOGY

Phytoplankton of the Eastern Kara Sea

I. N. Sukhanova, M. V. Flint, A. V. Fedorov, S. G. Poyarkov, P. N. Makkaveev, A. A. Nedospasov, and A. A. Polukhin p. 683  abstract

Heterogeneity of Spatial Distribution and Functional Role of Phototrophic Picoplankton in the Kara Sea in Mid-Summer

T. A. Belevich, A. B. Demidov, O. V. Vorob’eva, and M. V. Flint p. 693  abstract

Atypical Autumn Spawning of Smooth Lumpsucker Aptocyclus ventricosus (Cyclopteridae) in Peter the Great Bay (Sea of Japan)

V. A. Shelekhov, S. F. Solomatov, and Yu. S. Nekotinev p. 704  abstract

Observations of Gray Seals (Halichoerus grypus) in the Varzuga River Mouth (Tersky Coast of the White Sea)

V. V. Krasnova, A. D. Chernetsky, and E. M. Panova p. 711  abstract


MARINE GEOLOGY

Accumulation of Trace Elements by Zooplankton of Different Size Fractions in Kara Sea

L. L. Demina, N. A. Belyaev, D. F. Budko, A. S. Solomatina, D. P. Starodymova, and O. N. Lukyanova p. 721  abstract

Dynamics of the Sedimentary Matter Composition in the Lofoten Basin of the Norwegian Sea

E. A. Novichkova, E. A. Agafonova, A. A. Klyuvitkin, T. S. Klyuvitkina, M. D. Kravchishina, A. N. Novigatsky, and A. V. Bulokhov p. 741  abstract

Holocene Environments in the Reykjanes Ridge Area, North Atlantic, Based on Micropaleontological Data

A. G. Matul, A. A. Melnikova, G. Kh. Kazarina, and E. A. Novichkova p. 758  abstract

Reductive Changes in the Radiation State of Bottom Sediments off the Coast of Novaya Zemlya

A. Yu. Miroshnikov, M. V. Flint, S. G. Poyarkov, and G. I. Nadyarnykh p. 767  abstract

Nature of Magnetic Anomalies in the Equatorial Ninetyeast Ridge

I. A. Veklich, A. N. Ivanenko, O. V. Levchenko, and O. V. Veselov p. 772  abstract


INSTRUMENTS AND METHODS

Study of Acoustic Backscatter Properties of Walleye Pollock (Gadus chalcogrammus, Pallas, 1814) in Deep-Water Areas of the Sea of Okhotsk in Spring

M. Yu. Kuznetsov, E. V. Syrovatkin, V. I. Polyanichko, and I. A. Ubarchuk p. 786  abstract


INFORMATION

State and Dynamics of Natural Systems and Bottom Landscapes of the Baltic Sea (Cruise 56 of the R/V Akademik Boris Petrov)

D. V. Dorokhov, S. V. Aleksandrov, E. S. Bubnova, A. A. Kondrashov, A. G. Grigoriev, I. Yu. Dudkov, and M. A. Gerb p. 793  abstract