Harmful Algal Information System: Event US-10-013

General Information

Event name:	US-10-013
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , High Phyto concentration
Event directly affected:	Planktonic life , Natural Fish
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	Yes (no toxin analysis conducted)
Species implicated in toxin transmission (transvector):	Event resulted in extensive menhaden fish kill
Report the outcome of a monitoring programme:	Yes (Chesapeake Bay Plankton Monitoring Program)
Event occurred before in this location:	No
Individuals to contact:	MARSHALL, Harold G.

Location:	Latitude: 37.879444, Longitude: 76.667778
General location information:	Cobbs Creek, Southeast Virginia HAB Area code(s): US-10
Additional location information:	Matthews County, Virginia
Bloom event dates (yyyy/mm/dd):	Event Date:2010/08/10 Start: 2010/08/10, End: 2010/08/17
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Chattonella subsalsa (1-10 cells/L)
Co-Ocurring Species/Genus:	Gymnodinium sp. (1-5 cells/L)
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: 29 °C, Min: °C

Salinity Range During Event:

Max: 17.5,

Bloom location in the water column:

Whole column

Growth:

In situ

Growth Comments

Additional Environmental information:

Species containing the toxin

Toxin type

Toxin details

Max. concentration

Assay type

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Additional harmful effect information:

bloom concentrations subsided, no further extended impact tofish outside the small creek