| Event name: | US-09-017 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
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Event directly affected: |
Planktonic life , Humans | |
| Toxicity detected: | No | |
| Associated syndrome: | ||
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Va. Dept. Health, Va. Dept. Environmental Quality) | |
| Event occurred before in this location: | Yes (this species occurs in bloom concentrations in these waters annually during late summer to early autumn) | |
| Individuals to contact: | MARSHALL, Harold G. | |
| Location: | Latitude: 36.965556, Longitude: -76.468611 | |
| General location information: |
Chesapeake Bay Estuary, Virginia HAB Area code(s): US-10 |
|
| Additional location information: | Virginia rivers: LaFayette, Elizabeth, lower James and lower Chesapeake Bay. Begins in small creeks and inlets, spread into regional rivers and carried by river flow into lower Chesapeake bay. | |
| Bloom event dates (yyyy/mm/dd): | Start: 2009/07/31, End: 2009/09/01 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Cochlodinium polykrikoides
(1,652,000 cells/L)
dense surface concentrations |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | Marshall et al. 2008; 2009 | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 29.2 °C, Min: 27.3 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 23.3, Min: 12.3 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | discoloration of water, odor | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
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