Event name: | US-00-014 | |
Country: | UNITED STATES | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Mass mortalities | |
Event directly affected: |
Planktonic life , Natural Fish | |
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: | CONNELL, Laurie |
Location: | Latitude: , Longitude: | |
General location information: |
Hood Canal., Washington. HAB Area code(s): US-24 |
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Additional location information: | UTM- 0488308º N - UTM 5246152º W Most concentrated in south Hood Canal but spread to northern end of Hood Canal by 17 Sept 2000. | |
Bloom event dates (yyyy/mm/dd): | ||
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Heterosigma akashiwo
(270 x (10) cells/L)
predominantly unialgal |
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: |
Surface |
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Growth: |
In situ |
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Growth Comments | Did spread north for several km. 40% of Hood canal was visibly discolored as viewed from air. | |||||||||||||||||||||||||
Additional Environmental information: | Oxygen mL/L: 9.7 (surface) 1.1 at 30m and 4.1 at bottom. We are still collecting information from the several agancies involved. |
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Kit used: No | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | Skokomish tribe spopped fisheries harvest during the bloom- unknown economic impact. | ||||||
Management decision: | |||||||
Additional harmful effect information: | Divers reported vomiting- however they were new divers and the bloom was very dense and disorienting. |