General Information

Event name: PHL-02-001
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish , Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Philippine Red Tide Monitoring Programme)
Event occurred before in this location: No
Individuals to contact: AZANZA, Rhodora , YNIGUEZ, Aletta

Location & Date

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Location: Latitude: 16.379167, Longitude: 119.911667
General location information: Pangasinan,
HAB Area code(s): PHL-1
Additional location information: Bolinao
Bloom event dates (yyyy/mm/dd): Start: 2002-01-31, End: 2002-02-04
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Prorocentrum minimum (Pavillard) Schiller 1931 (470000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Azanza, RV, Y. Fukuyo, LG Yap, H. Takayama. 2005, Prorocentrum minimum bloom and its possible link to a massive fish kill in Bolinao, Pangasinan, Northern Philippines

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 2.1 mg/L Wind velocity:
Temperature (°C): 26.35-26.45 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 33 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 09:23 on 31 Oct 2017
Updated at 09:58 on 8 Apr 2018