IJMS_2025v15n5

International Journal of Marine Science, 2025, Vol.15, No.5, 255-267 http://www.aquapublisher.com/index.php/ijms 257 2023). In addition, the anaerobic decomposition of sediments in the continental shelf and slope areas can release phosphates, which suddenly pour into the water when geological disturbances (such as earthquakes, landslides) or overflow on the underlying anaerobic water body. Figure 1 Water sampling stations used for the microcosm incubation experiments in the Yellow Sea and East China Sea (A) and the treatment procedure of the incubations (B). Where micro refers to the contribution of microsized Chl a to total Chl a (Adopted from Wang et al., 2022) Figure 2 Eckernförde Bay with locations of a coastal SGD surveys. The insert in A shows the location of Eckernförde Bay in the southwestern Baltic Sea. A Salinity ratios of surface sediment pore water and ambient seawater; B phosphate (PO4 3−) concentrations in pore water; C pore water dissolved total inorganic nitrogen (DIN = NH4+ + NO2− + NO3−) concentrations. Langholz, Hemmelmark, Kiekut, and Krusendorf are the location where depth profile studies were conducted (Adopted from Kreuzburg et al., 2023)

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