Harmful Algal Information System: Event US-91-006

General Information

Event name:	US-91-006
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 blooms at least since 1985; N. atomus presence first discovered on Barnegat Bay 1965.)
Individuals to contact:	OLSEN, Paul

Location:	Latitude: , Longitude:
General location information:	Barnegat Bay., New York. HAB Area code(s): US-09
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Early June to early September. Peak in early July.

Causative organism known:	Yes
Causative Species/Genus:	Nannochloris atomus (1,000,000, cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	> 22 µg/L Chlª. µg/l
Additional bloom information:	Blooms at times almost monospecific.
Event-related bibliography:

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:

Data may be available from NJOEP Division of Science and Research.

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:

Ongoing surveillance (NJDEP/USEPA), entrophication study (NJDEP).

Additional harmful effect information:

Yellow brown water discoloration, virtually summer-long.