The aquasoils humus of the Ussuri Bay in the Sea of Japan Olga Nesterova, Anastasia Kvashnina, Anastasia Brikmans, Maria Bovsun and Viktoriia Semal E3S Web Conf., 592 (2024) 06002 Published online: 20 November 2024 DOI: 10.1051/e3sconf/202459206002