General Information

Event name: US-10-010
Country: UNITED STATES
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish , Birds
Toxicity detected: Yes (Approximate range: 25 ichthyotoxicity units (ITU))
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Tilapia; birds
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: Byrd, Meridith

Location & Date

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Location: Latitude: , Longitude:
General location information: San Jacinto Monument reflecting pool and Santa Ana Bayou near La Porte, TX, Texas
HAB Area code(s): US-18
Additional location information: Bloom began at the end of Nov. 2010 and was still occurring as of March 18, 2011
Bloom event dates (yyyy/mm/dd): Start: 2010-11-21, End: 2011-03-18
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Prymnesium parvum (623,000,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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:
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:
Updated at 05:13 on 15 Apr 2015
Checked at 05:55 on 15 Apr 2015
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES