General Information

Event name: NZ-54-001
Country: NEW ZEALAND
Nature of the harmful event:
Foam/Mucilage in the coast
Event directly affected:
Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: RHODES Lesley

Location & Date

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Location: Latitude: -36.467778, Longitude: 175.066389
General location information: Hauraki Gulf, North Island
HAB Area code(s): NZ-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1954-02-01, End: 1954-04-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: "The slime was of a greenish grey colour and of stringy. A portion of the slime [...] contained a very large number of diatoms of various genera and small flagellate protozoa."
Event-related bibliography: Hurley, D.E., 1982. The Nelson slime: observations on past occurrences. Oceanographic summary no. 20 (ISSN 0111-1302), New Zealand Oceanographic Institute, 11 pp.

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: "Fishermen have been troubled with a slime attaching itself to their nets."
Management decision:
Additional harmful effect information:
Created at 10:06 on 20 Feb 2018
Updated at 10:23 on 13 Mar 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES