Exposed rocky shorelines – a grayling favourite

During a couple of sunny days in spring we had the opportunity to go out and learn more about one of the most iconic fish species of the Bothnian Bay - the grayling - and it's favourite habitat on the exposed, rocky shores. Together with our fish expert collegues we searched for grayling eggs along … Continue reading Exposed rocky shorelines – a grayling favourite

Who lives at the bottom of the sea?

The deep sea floors are in constant darkness which means no plants can grow there. But that doesn't mean it's a place empty of life. During the autumn of 2018 SGU (the Geological Survey of Sweden) and partner in the SEAmBTOH project, conducted a survey cruise in the archipelago of Haparanda to map the depths … Continue reading Who lives at the bottom of the sea?

Unique habitats: Sandbanks

If you ever stand on a shallow sand deposit and try to determine, whether it’s a sandbank or not, you’re not the only one wondering about it. The EU habitats directive tells us that the Natura 2000 habitat 1110 sandbank is predominantly shallower than 20 m and is always covered by water, and it may … Continue reading Unique habitats: Sandbanks