Occurrence record: NSW 112425

PreservedSpecimen of Gahnia howeana recorded on 1965-07-24

Dataset

Data provider Australia's Virtual Herbarium
Data resource NSW AVH data
Institution The Royal Botanic Gardens & Domain Trust
Supplied institution code "NSW"
Collection National Herbarium of New South Wales
Supplied collection code "NSW"
Catalogue Number NSW 112425
Occurrence ID NSW:NSW:NSW 112425
Basis of record Preserved specimen
Preparations sheet
Identified by Wilson, K.L.
Identified date 2010-09-23
Collector van Balgooy, M.M.J.
Collecting number 1104
Reproductive condition flowers | fruit
Occurrence remarks Robust strongly stooling sedge, leaves coarse, conspicuous brown inflorescences whole plant c. 2 m tall.
Occurrence status present
Supplied as Present
Date identified 2010-09-23

Event

Collecting date 1965-07-24
Date precision Day

Taxonomy

Scientific name Gahnia howeana
Supplied scientific name "Gahnia howeana R.O.Gardner"
Taxon rank species
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Poales
Family Cyperaceae
Genus Gahnia
Species Gahnia howeana
Taxonomic issues No issues
Name match metric Exact match
The supplied name matched the name exactly.
Name parse type SCIENTIFIC
Scientific name authorship R.O.Gardner

Geospatial

Country Australia
State or Territory New South Wales
Locality NE flank of Mt Lidgbird.
Habitat A common component of shrubbery or low forest on steep stony slope, together with Negria, Coprosma, Dracophyllum & Cyathea.
Latitude -31.5500000000
Longitude 159.0500000000
Geodetic datum EPSG:4326
Verbatim locality NE flank of Mt Lidgbird.
Minimum elevation in metres 450
Maximum elevation in metres 450
Coordinate precision Unknown
Verbatim coordinates 31,33,,S,159,03,,E,
Biome Marine

Additional properties

User flagged issues 

User Assertion Status:

    Data quality tests

    Test name Result
    Habitat incorrect for species Failed
    Geodetic datum assumed WGS84 Warning
    Basis of record not supplied Passed
    Basis of record badly formed Passed
    Invalid collection date Passed
    Incomplete collection date Passed
    Identification date before occurrence date Passed
    First of the month Passed
    Missing name of person who identified the specimen/observation Passed
    Missing identification date Passed
    Collector name unparseable Passed
    Missing catalogue number Passed
    Data are generalised Passed
    Collection code not recognised Passed
    Institution code not recognised Passed
    Name not supplied Passed
    Name not recognised Passed
    Resource taxonomic scope mismatch Passed
    Invalid scientific name Passed
    Name not in national checklists Passed
    Decimal coordinates not supplied Passed
    Min and max altitude reversed Passed
    Coordinates are transposed Passed
    Coordinates are out of range for species Passed
    Supplied coordinates are zero Passed
    Zero latitude Passed
    Zero longitude Passed
    Supplied country not recognised Passed
    Location not supplied Passed
    Country inferred from coordinates Passed
    Supplied coordinates centre of state Passed
    Coordinates centre of country Passed
    Missing geodetic datum Passed
    Coordinates dont match supplied state Passed
    Show/Hide 10 missing properties
    Show/Hide 42 tests that have not been run

    Additional political boundaries information

    Area Management
    Australian Coral Ecoregions Lord Howe Island
    CAPAD 2010 Marine Lord Howe Island
    CAPAD 2012 Marine Lord Howe Island
    CAPAD 2014 Marine Lord Howe Island
    CAPAD 2016 Marine Lord Howe Island
    Global 200 priority ecoregions - Marine Lord Howe-Norfolk Islands Marine
    NRM Regions 2010 Northern Rivers - Lord Howe Island
    NRM Regions 2014 North Coast - Lord Howe Island
    NRM Regions 2015 North Coast - Lord Howe Island
    NRM Regions 2017 North Coast - Lord Howe Island
    NRM Regions 2017 (Qld 2019) North Coast - Lord Howe Island
    Area management
    National Landcare Program Management Units 2018 North Coast - Lord Howe Island
    Biodiversity
    IMCRA 4 Regions Lord Howe Province
    Marine
    FAO Fishery Statistical Areas 81
    Geomorphology of the Australian Margin and adjacent seafloor Knoll/abyssal hills/hills/mountains/peak
    Global Seagrass Species Richness (2003) 2.00000000
    Marine Ecoregions of the World Lord Howe and Norfolk Islands
    States including coastal waters New South Wales (including Coastal Waters)
    Territorial Sea Territorial Sea

    Environmental sampling for this location

    Biodiversity
    Endemism 0.13499703
    Endemism (Non-marine) 0.1736191
    Occurrence Density 119171.0 frequency
    Shannon Diversity (H) 6.2872047 index
    Species Richness 5646.0 frequency
    Distance
    Euclidean Distance to Coast (metres) 316753.9 m
    Marspec Distance to Shore 3.0 km
    Marine
    Marspec Annual Range in Sea Surface Salinity 0.089999996 100 x psu
    Marspec Annual Range in Sea Surface Temperature 5.45 100 x degrees C
    Marspec Annual Variance in Sea Surface Salinity 0.08 100 x psu
    Marspec Annual Variance in Sea Surface Temperature 3.8901 10,000 x degrees C
    Marspec Bathymetric Slope 12.5 10 x degrees
    Marspec Concavity 0.254 1000 x degrees
    Marspec East/West Aspect 0.29999998 radians
    Marspec Maximum Monthly Sea Surface Salinity 35.7 100 x psu
    Marspec Mean Annual Sea Surface Salinity 35.64 100 x psu
    Marspec Mean Annual Sea Surface Temperature 21.35 100 x degrees C
    Marspec Minimum Monthly Sea Surface Salinity 35.61 100 x psu
    Marspec North/South Aspect 0.95 1 x radians
    Marspec Plan Curvature 0.0053 x 10000
    Marspec Profile Curvature -0.0201 x 10000
    Marspec Sea Surface Temperature of the coldest ice-free month 18.77 100 x degrees C
    Marspec Sea Surface Temperature of the warmest ice-free month 24.22 100 x degrees C
    Sea Surface Temperature - MODIS Terra 21.107761 Degrees C
    SeaWIFS K490 Mean 0.044356234 Kd@490nm/m^2
    SeaWiFS Chlorophyll Mean 0.2158995 mg/m^3
    Topography
    Averaged Topographic Relief 722.5 metres
    Bathymetry and Elvation 9 sec -28.0 m
    Topographic Slope (degrees) 5.842958 degrees