Occurrence record: NSW112425

Preserved specimen of Gahnia howeana R.O.Gardner recorded on 1965-07-24

Dataset

Data partner Australia's Virtual Herbarium
Data resource NSW AVH data
Institution code The Royal Botanic Gardens & Domain Trust
Supplied institution code "NSW"
Collection National Herbarium of New South Wales
Supplied collection code "NSW"
Catalog number NSW112425
Occurrence ID NSW:NSW:NSW112425
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Preparations sheet
Identified by Wilson, K.L.
Identified date 2010-09-23
Collector van Balgooy, M.M.J.
Record number 1104
Reproductive condition flowers|fruits
License CC-BY 4.0 (Int)
Establishment means NATIVE
Supplied as native
Presence/Absence PRESENT
Supplied as present
Disposition in collection
Occurrence remarks Robust strongly stooling sedge, leaves coarse, conspicuous brown inflorescences whole plant c. 2 m tall.
Date identified 2010-09-23

Event

Occurrence date 1965-07-24
Date precision DAY

Taxonomy

Higher classification R.O.Gardner
Scientific name Gahnia howeana
Supplied scientific name "Gahnia howeana R.O.Gardner"
Identified to rank species
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Poales
Family Cyperaceae
Genus Gahnia
Species Gahnia howeana
Name match metric exactMatch
Scientific name authorship R.O.Gardner
Name parse type SCIENTIFIC
Nomenclatural code ICN
Verbatim taxon rank species

Geospatial

Country Australia
State or Territory New South Wales
Locality NE flank of Mt Lidgbird.
Habitat
Supplied as "A common component of shrubbery or low forest on steep stony slope, together with Negria, Coprosma, Dracophyllum & Cyathea."
Latitude -31.55
Supplied as: "-31.55"
Longitude 159.05
Supplied as: "159.05"
Datum EPSG:4326
Verbatim coordinate system Degrees Minutes
Verbatim locality NE flank of Mt Lidgbird.
Min elevation 450
Max elevation 450
Coordinate precision Unknown
County Lord Howe Island
Terrestrial true
Elevation 450 m
Verbatim latitude 31 33 S
Biome TERRESTRIAL
Marine false
Country Code AU
Verbatim longitude 159 03 E
Verbatim coordinates 31 33 S, 159 03 E

Additional properties

User flagged issues 

    Data quality tests

    Test name Result
    Coordinate uncertainty meters invalid Warning
    Geodetic datum assumed WGS84 Warning
    Show/Hide 86 passed properties
    Show/Hide 6 missing properties
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    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