What question did this study set out to answer?

This study aims to investigate the geochemical parameters of bacterial sulfate reduction in bottom sediments of lakes at varying stages of separation from the sea.

March 8, 2026Oceanology

Reduced Sulfur Compounds in Bottom Sediments of Lakes at Different Stages of Separation from the Kandalaksha Bay of the White Sea

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Authors

GLG. N. LosyukNorthern (Arctic) Federal University NKN. M. KokryatskayaNorthern (Arctic) Federal University EVE. A. VakhrameevaNorthern (Arctic) Federal University

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Implication

This research examines how organic matter affects reduced sulfur compounds in lakes at different separation stages from Kandalaksha Bay, indicating ecological impacts.

Key Points

This study aims to investigate the geochemical parameters of bacterial sulfate reduction in bottom sediments of lakes at varying stages of separation from the sea.
Analyzed bottom sediments of four lakes at different separation stages from Kandalaksha Bay
Measured geochemical parameters related to bacterial sulfate reduction
Identified organic matter sources in sediments
In marine-connected lakes, pyrite sulfur predominates in bacterial hydrogen sulfide derivatives
In fully separated freshwater lakes, organic sulfur is the dominant form
Allochthonous organic matter prevails in freshwater lakes, while autochthonous organic matter is more common in marine environments

Cite This Study

Losyuk et al. (2026) studied this question.

synapsesocial.com/papers/69ada804bc08abd80d5bb320 https://doi.org/10.1134/s0001437025700766

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Implication

This research examines how organic matter affects reduced sulfur compounds in lakes at different separation stages from Kandalaksha Bay, indicating ecological impacts.

Reduced Sulfur Compounds in Bottom Sediments of Lakes at Different Stages of Separation from the Kandalaksha Bay of the White Sea

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Implication

Key Points

Cite This Study

Reduced Sulfur Compounds in Bottom Sediments of Lakes at Different Stages of Separation from the Kandalaksha Bay of the White Sea

Discussion

Member takes

Implication

Key Points

Cite This Study

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