Zebra mussels for water quality improvement

Curonian Lagoon, Lithuania

zebra_mussels_303x148The zebra mussel Dreissena polymorpha is a filter-feeding colonies forming bivalve known to be present in the Curonian Lagoon for at least 200 years and highly abundant in the central part of the lagoon.
The results of a pilot study have shown that larvae of zebra mussels are available in the central part of the Curonian Lagoon from late May to early August in relatively high numbers (up to 500 ind/l).

Macroalgae uses

Curonian Lagoon, Lithuania

contentpic_algaeTwo species of red algae and over 13 species of green algae were found at 14 coastline stations of the Curonian Lagoon. Cladophora glomerata and Enteromorpha prolifera showed the widest distribution and the highest biomass (up to 1.69 and 2.22 kg DW/m2, respectively) overgrowing stones, bunders, macrophytes, wooden or iron constructions. Low water transparency and limited suitable substrates for algae to attach determined their relatively low biomass.

Developing wave energy

Lithuanian coastal waters

wave_generator_sea_bridge_303x148The concept of electricity production from wave energy developed by the Coastal Research and Planning Institute focuses on the effectiveness of the conversion process in small-scale utilisation projects. It is based on a newly developed linear movement generator. The linear generator is oil and almost vibrations-free. It can offer high capacity due to a unique arrangement of magnets. It is thus suitable for use in any known type of small and big scale wave energy conversion systems.

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