Algal situation reports

The analyses were made on bord the ship Svea during the cruise. Water from Integrated sampels or discrete depths were filtrated down to filters with 5μm pore size. The method is most suitebale for identifying larger and more robust cells whereas smaller cells and fragile cells are difficult to …

Both the species diversity and total cell numbers were higher at Släggö (coastal station) than at Å17 (outer sea) at the time of sampling. Diatoms dominated at both stations and predominantly Guinardia flaccida was found. This species also dominated in the fluorescence peaks that were sampled. The …

Both the species diversity and total cell numbers were moderate at both stations in the Skagerrak at the time of sampling. Diatoms dominated with a combination of species. Several fluorescence peaks were recorded at different depths. Samples from these depths contained almost exclusively diatoms. …

Both the species diversity and total cell numbers were low at all stations along the west coast at the time of sampling. The genus Tripos (formerly called Ceratium) was the most common at all stations. The potentially toxic species Dinophysis norvegica* was also found in relatively high cell …

At Å17, the most westerly Skagerrak station, the diversity and the total cell concentration were both high and presented a spring bloom situation. At Släggö, at the coast, the phytoplankton diversity and chlorophyll concentrations were a bit lower but still indicated a spring bloom. Diatoms …

A number of stations were cancelled during the cruise. Some because of the bad weather, others due to the fact that parts of the anchoring from a buoy got stuck in one of the ships propellers, which caused cancellation of the cruise and a safety stop in Oxelösund prior to the detour to Lysekil. At …

Only half of the amount of stations that were planned to be sampled during the cruise were actually visited due to engine problems which caused cancellation of the remaining cruise. At Å17, the most westerly Skagerrak station and at Släggö at the coast, the phytoplankton diversity and chlorophyll …

The total cell concentrations in the open Skagerrak and in the Kattegat were relatively high. The potentially toxic diatom genus Pseudo-nitzschia * dominated at all stations. The coccolithophorid Emiliania huxleyi was common among the small cells at all stations. The integrated chlorophyll …

The total cell concentrations in the open Skagerrak and in the Kattegat were low and dominated by small cells. The coccolithophorid Emiliania huxleyi was found with the highest cell numbers. The potentially toxic diatom genus Pseudo-nitzschia* was common at all stations along the west coast. The …

Due to strong winds the Skagerrak could not be sampled. N14 Falkenberg and Anholt E in the Kattegat were sampled although Anholt E was visited only once during the cruise. The total cell numbers and the biodiversity were low at both stations and were dominated by small cells. The coccolithophorid …