| Event name: | US-89-006 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Water Discoloration | |
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Event directly affected: |
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| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| 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: |
, New Jersey. HAB Area code(s): US-09 |
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| Additional location information: | Throughout Hudson/Raritan estuary into upper NY Bay, Bight area at least to Ambrose Light; NJ coast South to Manasquan Inlet. | |
| Bloom event dates (yyyy/mm/dd): | Start: 1989-06-20, End: 1989-07-01 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Most intense June 26-28; (bloom persisted for more than one week). | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Katodinium rotundatum
(50,000,000 cells/L)
Eutreptia lanowii ( cells/L) Abundant Cryptomonas sp. ( cells/L) Abundant Gymnodinium sp. ( cells/L) Abundant |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | 50 to 170 µg/L Chlª in estuary and adjacent c µg/l | |
| Additional bloom information: | Katodinium rotundatum in the estuary and briefly off northern Monmouth County | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 24, Min: 18 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | Water turbid. Slight water column stratification (in estuary 22,4 ºC on surface; 21,4 ºC on bottom) | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | NJDEP/USEPA Joint Surveillance. Intensive phytoplankton and dissolved oxygen survey of the area being conducted in response to fish kills which occurred last year; coastal monitoring ongoing. (USEPA/NJDEP joint surveys) | ||||||
| Additional harmful effect information: | Amber or golden-colored water over an extensive area; most intense in the estuary and adjacent NJ coast; temporary localized hypoxia in Raritan/Sandy Hook Bay (as low as 3.0 mg/L on bottom); no significant fish kills reported (as occurred in this vicinity | ||||||
