Harmful Algal Information System: Event US-90-028

General Information

Event name:	US-90-028
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:	Yes (Chronic annual blooms.)
Individuals to contact:	OLSEN, Paul

Location:	Latitude: , Longitude:
General location information:	Sandy Hook Bay., New Jersey. HAB Area code(s): US-09
Additional location information:	Sandy Hook Bay, New Jersey, especially the south shore area; Shrewsbury River, especially in the vicinity of Branchport Creek tributary.
Bloom event dates (yyyy/mm/dd):	Event Date:1990-07-16 Start: 1990-07-19,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Katodinium rotundatum (80,000,000 cells/L) Branchport Creek. Dominant species Euglena sp. ( cells/L) Euglena/Eutrepia spp. Protoperidinium trochoideum ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

Growth Comments

Primarly an in-situ population. Diatoms possibly of neritic origin.

Additional Environmental information:

Water turbid, flocculent, no other measurements taken.

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:

Incresed surveillance by the Monmouth Conty Health Department in liaison with NJ DEP.

Additional harmful effect information:

Red water in vicinity of Branchport and Oceanport creeks