Harmful Algal Information System: Event US-90-005

General Information

Event name:	US-90-005
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration
Event directly affected:
Toxicity detected:	No
Associated syndrome:
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:	NUZZI, Robert

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Fordham Canal, Greenport., New York. HAB Area code(s): US-08
Additional location information:
Bloom event dates (yyyy/mm/dd):	Event Date:1990-06-08 Start: 1990-06-08,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Prorocentrum minimum (82,000,000 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:	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:

In situ

Growth Comments

Additional Environmental information:

Tributary of minor embayment of Peconic Bay System. No ancillary samples collected.

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:

None necessary; bloom short-lived.

Additional harmful effect information:

Water dicoloration - reddish brown. While no health effects were noted, this species has been implicated as a possible cause of respiratory distress under certain conditions.