Harmful Algal Information System: Event US-87-001

General Information

Event name:	US-87-001
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , Mass mortalities
Event directly affected:	Planktonic life , Shellfish
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:	No
Individuals to contact:	COSPER, E.

Location:	Latitude: , Longitude:
General location information:	Peconic Bay, Great South Bay., New York. HAB Area code(s): US-08
Additional location information:	Long Island, New York (possibly also in Barnegat Bay, New Jersey).
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	July 1987 - February 1988.

Causative organism known:	Yes
Causative Species/Genus:	Aureococcus anophagefferens (1,000,000, cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	25 - 30 µg/L Chlª. µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: 26 °C, Min: °C

Salinity Range During Event:

Max: 30, Min: 22

Bloom location in the water column:

Growth:

In situ

Growth Comments

Additional Environmental information:

Oxygen conditions: normal. Water column/stability: well-mixed, shallow.

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:

Re-seeding of juvenile scallops attempted; unsuccessful due to mortality.

Additional harmful effect information:

Water coloration - brown.