| Event name: | DK-21-001 | |
| Country: | DENMARK | |
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Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes (Approximate range: PST max. > 800 ug STX eq /kg) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | Mytilus edulis | |
| Report the outcome of a monitoring programme: | Yes (mandatory monitoring of shellfish harves) | |
| Event occurred before in this location: | Yes (localized in the inner part of the Limfjord) | |
| Individuals to contact: | ANDERSEN, Per | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Limfjorden (inner part) - production areas 13-19, The Limfjord HAB Area code(s): DK-09 |
|
| Additional location information: | PST was detected mainly and in the highest concentrations in suspended culture of Mytilus | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2021-05-10 Start: 2021-05-10, End: 2021-06-07 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | quarantine levels (= > 800) only in week 20 | |
| Causative organism known: | No | |
| Causative Species/Genus: |
Alexandrium minutum
(> 1000 cells/L)
not quantified routinely during bloom |
|
| Co-Ocurring Species/Genus: |
Alexandrium tamarense
(100 cells/L)
|
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | high concentrations of Alexandrium look-a-likes such as Peridiniella danica/Scrippsiella trochoidea | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | ? | |||||||||||
| Management decision: | closing of harvest on suspended cultures as well as fisheries on the bottom | |||||||||||
| Additional harmful effect information: | very local bloom - occurring in the same area/part of the Limfjord on several occasions around may/june | |||||||||||
