- Species richness of cyanobacteria and eucaryotic algae in the sea – shore brine ponds (Bautasten)
- Species richness of cyanobacteria and eucaryotic algae in the tectonic fault (Klintebakken)
- Algal flora of various habitats of Bornholm Island
- Species richness of cyanobacteria and eucaryotic algae in the deflated fields