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General Information

Event name: CA-04-002
Country: CANADA
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
 Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Phytoplankton monitoring in the western Fundy Isles in the Bay of Fundy)
Event occurred before in this location: Yes (Red tide has been seen annually in the Passamaquoddy Bay area since 1998, numerous episodes of a red tide in the area since the 1970s.)
Individuals to contact: MARTIN, Jennifer

Location & Date

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Location: Latitude: 45.066667, Longitude: -66.966667
General location information: Northwestern Bay of Fundy, Scotia Fundy Region
HAB Area code(s): CA-22
Additional location information: Passamaquaddy Bay
Bloom event dates (yyyy/mm/dd): Event Date:2004-07-27
Start: 2004-07-28, End: 2004-07-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Redtide seen July 28-30/04.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Leptocylindrus minimus (197,000 cells/L)
Co-Ocurring Species/Genus: Alexandrium fundyense (24,000 cells/L)
Mesodinium rubrum (65,000 cells/L)
Pseudo-nitzschia pseudodelicatissima (100,000 cells/L)
Chlorophyll concentration, if known: Fluerescence 5 µg/L µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: cloudy Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): 7.9 Wind velocity: 0
Temperature (°C): 12.3 Oxygen saturation %: 127.6 Current Direction:
Sechhi disk (m): 3.5 Salinity: 31.14 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 06:17 on 22 Jul 2013
Updated at 03:01 on 16 Feb 2018