General Information

Event name: US-98-011
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: ANDERSON, Donald M.

Location & Date

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Location: Latitude: , Longitude:
General location information: Penobscot ., Maine.
HAB Area code(s): US-02
Additional location information: Gulf of Maine, Penobscot PSP sandwich area.
Bloom event dates (yyyy/mm/dd): Start: 1998-06-01, End: 1998-07-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: no toxicity, but cells detected offshore in June and July


Causative organism known: Yes
Causative Species/Genus: Alexandrium sp. (2,500 cells/L)
Probably fundyense. Offshore
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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments outbreaks from region 3 probably due to advection of populations from region 2 and local germination of cysts with subsequent accumulation and growth near frontal boundaries of river plume. River plume/coastal current advected populations into northern ar
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: no closures
Additional harmful effect information: