| Event name: | ES-01-012 | |
| Country: | SPAIN | |
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Nature of the harmful event: |
Water Discoloration | |
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Event directly affected: |
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| Toxicity detected: | No | |
| Associated syndrome: | ||
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Monitoring Programme of the Centro de Control do Medio Mariño.) | |
| Event occurred before in this location: | Yes (Some year in autumn) | |
| Individuals to contact: | MANEIRO, Juan , PAZOS, Yolanda , MOROÑO, Ángeles | |
| Location: | Latitude: 42.181667, Longitude: -8.685167 | |
| General location information: |
Rías Baixas (Vigo, Pontevedra, Arousa and Mur, Galicia, NW Spain. HAB Area code(s): ES-07 ES-08 |
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| Additional location information: | 42º 10.90' - 42º 47.76' N; 8º 41.11 - 9º 03.00' W The affected area is dedicated to intensive mussel cultivation in rafts and to a high production of other molluscs in natural banks: clams, cockles, oyster and scallops are the main species exploited. | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2001-08-06 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | From 23/7/01 to 1/10/01. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Noctiluca scintillans
(1,000 cells/L)
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | 1.97 µg/L Chlª. µg/l | |
| Additional bloom information: | Oceanographic conditions and phytoplankton data presented are those at the maximum cell concentration but as the bloom was temporally and spatial very extensive, the general conditions were very wide. | |
| Event-related bibliography: | ||
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| Nutrient information: |
AMONIUM:
0.26 µg/L
NITRATE: 0 µg/L NITRITE: 0.09 µg/L PHOSPHATE: 0.68 µg/L SILICATE: 0.48 µg/L |
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| Temperature Range During Event: | Max: 22 °C, Min: 12 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 36, Min: 28 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: |
Advected
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | Wind direction: 90º. Wind velocity: 14 Km/h. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | Not evaluated | ||||||
| Management decision: | All the social sectors affected were wide informated. Notes in local newspapers. | ||||||
| Additional harmful effect information: | High social alarm by the water discoloration. | ||||||
