| Event name: | US-20-012 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
High Phyto concentration | |
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Event directly affected: |
Planktonic life | |
| Toxicity detected: | No | |
| Associated syndrome: | ||
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (NH Department of Environmental Services/Shellfish Program's Biotoxin monitoring program) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | NASH, Chris | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Hampton/Seabrook Harbor, New Hampshire HAB Area code(s): US-03 |
|
| Additional location information: | Precautionary summer harvest closure, fall blooms during seasonal closure. Neither bloom produced DA above quar levels. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | 6/4/20-7/17/20 and Oct-Nov. 2020 | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pseudo-nitzschia spp.
(5,600,000 cells/L)
|
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Dr. Kate Hubbard analyzing samples to identify species composition. most of the june july bloom was PN delicatissima. the large cell october/november bloom was a mix of PN species that included australis, multiseries, plurisecta, pungens, and others | |
| 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: | Advected | |||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | none: did not affect any planned commercial harvests | ||||||
| Management decision: | precautionary harvest closure june/july 2020. | ||||||
| Additional harmful effect information: | |||||||
