Occurrence record: WOV:WOV-149208

Human observation of Lagenorhynchus obscurus (J.E. Gray, 1828) | Dusky Dolphin recorded on 1986-12-04 21:00:00+00


Data partner Australian Antarctic Data Centre
Data resource Seabirds of the Southern and South Indian Ocean
Institution code Supplied institution code "AADC"
Collection Supplied collection code "WOV"
Catalog number WOV-149208
Occurrence ID urn:catalog:AADC:WOV:WOV-149208
Record type Human observation
Supplied basis "HumanObservation"
Individual count 7
Associated Occurrence Status Associated record
Associated occurrences The occurrence is associated with a representative record.
For more information see Inferred associated occurrence details
Presence/Absence PRESENT
Supplied as present
Bibliographic citation see http://data.aad.gov.au/metadata/records/DB_WOV
Associated records ASSOCIATED
Information withheld collector identities withheld


Occurrence date Year: 1986, Month: 12, Day: 4
Supplied as year:1986  month:12  day:4 
Date precision DAY
Event time 1986-12-04 21:00:00+00


Scientific name Lagenorhynchus obscurus
Identified to rank species
Common name Dusky Dolphin
Kingdom Animalia
Phylum Chordata
Class Mammalia
Order Cetacea
Family Delphinidae
Genus Lagenorhynchus
Species Lagenorhynchus obscurus
Scientific name ID http://www.marinespecies.org/aphia.php?p=taxdetails&id=231434
Name match metric exactMatch
Scientific name authorship (J.E. Gray, 1828)
Supplied as Gray,1828
Name parse type SCIENTIFIC


Country Australia
Latitude -45.0833
Supplied as: "-45.08330000"
Longitude 149.25
Supplied as: "149.25000000"
Datum EPSG:4326
Water body Southern Ocean
Coordinate precision Unknown
Coordinate uncertainty (in metres) 500.0
Terrestrial false
Marine true
Country Code AU

User flagged issues 

    Data quality tests

    Test name Result
    Country inferred from coordinates Warning
    Geodetic datum assumed WGS84 Warning
    Show/Hide 81 passed properties
    Show/Hide 7 missing properties
    Show/Hide 17 tests that have not been run

    Inferred associated occurrence details

    This record is associated with the representative record. This mean another record has been detected to be similar to this record, and that the other record (the representative record) has the most detailed information for the occurrence. More information about the duplication detection methods and terminology in use is available here:

    Representative Record
    Record UUID 249884ec-dbbf-44aa-a3db-951d99034836
    Data Resource Seabirds of the Southern and South Indian Ocean
    Raw Scientific Name Lagenorhynchus obscurus
    Coordinates -45.0833,149.25
    Related records
    Record UUID 8f4ce34f-fa29-40ba-a307-a058d2646248
    Data Resource Seabirds of the Southern and South Indian Ocean
    Raw Scientific Name Lagenorhynchus obscurus
    Coordinates -45.0833,149.25

    Additional political boundaries information

    Area management
    National Landcare Program Management Units 2018 Marine NRM
    IMCRA 4 Regions Tasmania Province
    Continental Shelf Continental Shelf
    Exclusive Economic Zone Exclusive Economic Zone
    FAO Fishery Statistical Areas 57
    Geomorphology of the Australian Margin and adjacent seafloor Slope
    Marine Ecoregions of the World Bassian
    IGBP Land Cover vegetation classification scheme (2011) Water

    Environmental sampling for this location

    Endemism 0.0040826257
    Endemism (Non-marine) 0.0
    Occurrence Density 42.0 frequency
    Shannon Diversity (H) 2.7435179 index
    Species Richness 19.0 frequency
    WorldClim 2.1: Temperature - annual mean 8.820833 °C
    Euclidean Distance to Coast (metres) 184102.77 m
    Marspec Distance to Shore 247.0 km
    Marspec Annual Range in Sea Surface Salinity 0.21 100 x psu
    Marspec Annual Range in Sea Surface Temperature 3.9099998 100 x degrees C
    Marspec Annual Variance in Sea Surface Salinity 0.42 100 x psu
    Marspec Annual Variance in Sea Surface Temperature 1.6637 10,000 x degrees C
    Marspec Bathymetric Slope 1.2 10 x degrees
    Marspec Concavity 0.002 1000 x degrees
    Marspec East/West Aspect -0.51 radians
    Marspec Maximum Monthly Sea Surface Salinity 35.03 100 x psu
    Marspec Mean Annual Sea Surface Salinity 34.92 100 x psu
    Marspec Mean Annual Sea Surface Temperature 12.599999 100 x degrees C
    Marspec Minimum Monthly Sea Surface Salinity 34.82 100 x psu
    Marspec North/South Aspect -0.84999996 1 x radians
    Marspec Plan Curvature 1.0E-4 x 10000
    Marspec Profile Curvature -1.0E-4 x 10000
    Marspec Sea Surface Temperature of the coldest ice-free month 10.87 100 x degrees C
    Marspec Sea Surface Temperature of the warmest ice-free month 14.78 100 x degrees C
    Sea Surface Temperature - MODIS Terra 12.787039 Degrees C
    SeaWIFS K490 Mean 0.060845222 Kd@490nm/m^2
    SeaWiFS Chlorophyll Mean 0.35543752 mg/m^3
    Averaged Topographic Relief 90.791664 metres
    Bathymetry and Elvation 9 sec -3936.0 m
    Topographic Slope (degrees) 0.139556 degrees