| 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 |
|
| 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 |
|
| 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. | ||||||
