General Information

Event name: PHL-04-010
Nature of the harmful event:
High Phyto concentration , Mass mortalities
Event directly affected:
Aquaculture Fish
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
Individuals to contact: AZANZA, Rhodora , YNIGUEZ, Aletta

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Pangasinan,
HAB Area code(s): PHL-1
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2004-05-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: approximate actual day in May 2004 only


Causative organism known: Yes
Causative Species/Genus: Chattonella subsalsa ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Azanza et al. 2006. Seasonal changes in phytoplankton composition in an extensive fish culture area in Bolinao, Pangasinan, northern Philippines. Coastal Marine Science 30(1); 85-87

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 02:50 on 4 Apr 2018
Updated at 02:57 on 4 Apr 2018