Event name: | US-89-006 | |
Country: | UNITED STATES | |
Nature of the harmful event: |
Water Discoloration | |
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 |