Event name: | PT-88-005 | |
Country: | PORTUGAL | |
Nature of the harmful event: |
Mass mortalities | |
Event directly affected: |
||
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 |
|
Additional location information: | ||
Bloom event dates (yyyy/mm/dd): |
Event Date:1988-03-30 Start: 1988-03-20, End: 1988-04-06 |
|
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Prymnesium parvum
(7x10(7) cells/L)
|
|
Co-Ocurring Species/Genus: |
Skeletonema costatum
(4x10(7) cells/L)
2x10(6)/l of other little diatoms and small flagellates |
|
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: |
|
||||||||||||||||||||||||||
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 |
|||||||||||||||||||||||||
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 |
|
|||||||
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% |