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Event name:
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ES-93-003
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Country:
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SPAIN
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Nature of the harmful event:
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Seafood toxins
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Event directly affected:
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Toxicity detected:
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Yes
(Approximate range: 1,550 µg STXeq / 100 g meat.)
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|
Associated syndrome:
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PSP
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|
Unexplained toxicity:
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No
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Species implicated in toxin transmission (transvector):
|
|
|
Report the outcome of a monitoring programme:
|
Yes
(Monitoring programme of the Centro de Control do Medio Mariño.)
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|
Event occurred before in this location:
|
Yes
(Blooms of this species were recorded in the Rías Bajas in autumn 1981, 1985, 1986, 1987, 1988 and 1990. In these two latter years, low abundance populations were also found during summer.)
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|
Individuals to contact:
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MANEIRO, Juan
,
MARIÑO, Joaquin
,
PAZOS, Yolanda
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Weather:
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Turbidity (NTU):
|
|
Wind direction:
|
|
|
Stratified water:
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Yes
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Oxygen content (nL/L):
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Wind velocity:
|
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Temperature (°C):
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|
Oxygen saturation %:
|
|
Current Direction:
|
|
|
Sechhi disk (m):
|
|
Salinity:
|
34
|
Current Velocity:
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0
|
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|
Nutrient information:
|
|
|
Temperature Range During Event:
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Max: 20 °C, Min: 18 °C
|
|
Salinity Range During Event:
|
|
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|
Bloom location in the water column:
|
|
|
Growth:
|
Advected
In situ
|
|
Growth Comments
|
The initial increase of the population followed a downwelling episode characterized by homogeneous vertical temperature and salinity distributions in the water column (18-20º C and about 34 PSU in the stations at the mouths of the Rías). The population wa
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Additional Environmental information:
|
During the bloom, the water column was stratified (14º C at bottom and 19º C at surface).
|
