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S/V Ocean Surveyor Reporting From the Bothnian Bay

S/V Ocean Surveyor with crew arrived at the old industry port at Seskarö, an island not far from Haparanda, in the beginning of August. New for this year’s field work is that the launch vessel Ugglan have been equipped with a multibeam echosounder, the EM2040C. After some initial testing and calibration the echosounder proved to … Continue reading S/V Ocean Surveyor Reporting From the Bothnian Bay

Special species: Phragmites australis

What does your own lawn or the park downtown most likely have in common with the Bothnian Bay? That there is Grass, lots and lots of grass. Strictly speaking only the family Poaceae can be called grasses with around 12.000 different species. However, other families such as Cyperaceae (sedges) and Juncaceae (rushes) have species that … Continue reading Special species: Phragmites australis

Mud on the deck – and in my mouth

Geomari Early in the morning we leave from the Marjaniemi harbour, in Hailuoto, towards west, to Swedish border. We are at the southern edge of the SEAmBOTH project area. Today we were aiming to recover short sediment cores from the deep waters. Why bother, someone could ask? – To understand how the sediment is moving … Continue reading Mud on the deck – and in my mouth

Searching for Macroplea pubipennis

The mysterious aquatic leaf beetle Macroplea pubipennis has become quite familiar to us these last two summers. Not a lot is known about these beetles. Two years ago, we didn’t even know they existed in Sweden and they were known to occur only in Finland and China (of all places). As observation sites in the … Continue reading Searching for Macroplea pubipennis

Field stories : Metsähallitus and Geological Survey of Finland mapping the clay canyon together

This week Metsähallitus and Geological Survey of Finland worked together in order to take samples and do mapping on a clay labyrinth found in 2014 from Simo. https://youtu.be/bE5oTsZIejI Video by Jaakko Haapamäki, Metsähallitus. On Thursday morning Metsähallitus and GTK field workers put their heads together and made a plan for taking samples from a clay … Continue reading Field stories : Metsähallitus and Geological Survey of Finland mapping the clay canyon together