Special species: Nuttall’s waterweed – an invasive species

Waterweeds (Elodea spp.) are species of aquatic plants that originate in North America. Now, because of human interference, two different waterweed species are spreading globally, causing havoc as they outcompete local flora. Canadian waterweed, Elodea canadensis, is no new acquaintance here, as this species was first found in both Finland and Sweden in the 1870s. … Continue reading Special species: Nuttall’s waterweed – an invasive species

Special species: Vaucheria

Filamentous algae are those thin fussy-looking, sometimes slimy, algae may find growing on hard substrates where they cover rocks and stones.Some of them though grow on soft bottoms. Examples of these algae that specialize in growing on soft sediments are species of the genus Vaucheria. Vaucheria are yellow-green algae that grow long, tube formed and … Continue reading Special species: Vaucheria

Rare aquatic beetle found for first time in Sweden

The leaf beetle (Macroplea pubipennis) is an aquatic beetle which has only been known to exist in Finland and China - until now! During the SEAmBOTH inventories of shallow coastal areas, it was finally found here on the northern swedish coast as well. In Finland it has been categorized as "vulnerable" and listed as a … Continue reading Rare aquatic beetle found for first time in Sweden

The marine life of Bothnian Bay met the people of Bothnian Bay – Skärgårdsfesten in Piteå 2018

Last Saturday a day to celebrate the archipelago was hosted at the beautiful harbour Västra Kajen in Piteå . We, marine biologists from the County Administrative Board of Norrbotten, were there to bring SEAmBOTH and the marine life to the visitors. Photo by Linnea Bergdahl, County Administrative Board of Norrbotten Photo by Linnea Bergdahl, County … Continue reading The marine life of Bothnian Bay met the people of Bothnian Bay – Skärgårdsfesten in Piteå 2018