Home Browse Events Search Events Add Event Browse Grids Contact Login

General Information

Event name: CA-10-007
Country: CANADA
Nature of the harmful event:
 Mass mortalities
Event directly affected:
 Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Harmful Algae Monitoring Program)
Event occurred before in this location: Yes
Individuals to contact: HAIGH, Nicky

Location & Date

[View larger map]
Location: Latitude: 49.700000, Longitude: -126.430000
General location information: Upper West coast of Vancouver Island, Pacific Region
HAB Area code(s): CA-35
Additional location information: Nootka Sound
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2010-08-20,
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chattonella marina (50 000 cells/L)
Co-Ocurring Species/Genus: Dictyocha speculum (140 000 cells/L)
non-skeletal form
Chlorophyll concentration, if known: µg/l
Additional bloom information: Also Pseudochattonella cf. verruculosa (Dictyophyceae) at 30 000 cells/L
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 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:
Updated at 01:36 on 16 Feb 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES