| Event name: | PT-88-005 | |
| Country: | PORTUGAL | |
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Nature of the harmful event: |
Mass mortalities | |
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Event directly affected: |
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| Toxicity detected: | No | |
| Associated syndrome: | ||
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (1972 Óbidos Lagoon, 1987 Inside fish ponds at Aveiro Lagoon) | |
| Individuals to contact: | SAMPAYO, Mª Antonia | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Óbidos Lagoon, HAB Area code(s): PT-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:1988-03-30 Start: 1988-03-20, End: 1988-04-06 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Prymnesium parvum
(7x10(7) cells/L)
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| Co-Ocurring Species/Genus: |
Skeletonema costatum
(4x10(7) cells/L)
2x10(6)/l of other little diatoms and small flagellates |
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 16.5 °C, Min: 12 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 19, Min: 14.5 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | Brownish water discoloration. Dredging of channel to the sea to open the Lagoon which was closed between 13 and 16 of March | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | |||||||
| Additional harmful effect information: | Mortalities associated with Prymnesim spp blooms at Portuguese coastal zones are alwasy related with salinities lower than 30% | ||||||
