Algae at the Baltic seaside

Scientists from Immanuel Kant Baltic Federal University, Kemerovo State University and Shirsov Institute of Oceanology at Russian Academy of Sciences analysed the algae biomass and what they might do with it.

Increased concentration of algae is becoming more common on coastlines around the world. They release greenhouse gases , smell unpleasant and make beaches less attractive for human recreation. They observed and sampled four sites in Filinsky Bay and Zelenogradsk beach. They were weighed, washed and dried in order to analyse their structure and contents.

They compared proteins, carbohydrates, fibre, lipids and also calculated Elemental content. They examined antioxidants. They also found mesoplastic content in the samples. The algae from the beaches appeared after stormy weather and in the warm season, it can be found across the coastline of the Baltic Sea.

A fragment of beach-cast algae (a) 19 September 2020, near the village of Witlan; (b) 9 September 2021, cape Guardeisky (photo by J. Gorbunova).

Based on the biological and chemical composition of the algae the scientists state it could contribute to liquid, solid or gaseous fuel production but further sampling and testing is needed with additional samples.

Via TASS news service,

Julio a Y, Sukhikh S, Kalashnikova O, Chupakhin E, Ivanova S, Chubarenko B, Gorbunova J, Babich O, Assessment of the resource potential of Baltic Sea Macroalgae, MDPI Applied Sciences 12:7, available at https://doi.org/10.3390/app12073599

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