Occurrence record: UNSWDB12276

Preserved specimen of Xenostegia tridentata (L.) D.F.Austin & Staples recorded on 1987-05-09

Dataset

Data partner Australia's Virtual Herbarium
Data resource UNSW AVH data
Institution code University of New South Wales
Supplied institution code "UNSW"
Collection John T. Waterhouse Herbarium
Supplied collection code "UNSW"
Catalog number UNSWDB12276
Occurrence ID dff01be8-a852-4dbb-a8ff-765c2f3d968f
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Preparations Sheet - 1
Identified by De Nardi, J.
Collector Wannan, B.S.|Quinn, C.J.
Supplied as "Wannan, B.S.; Quinn, C.J."
Record number UNSW20242
License CC-BY 4.0 (Int)
Presence/Absence PRESENT
Supplied as Present
Occurrence remarks Twining herb in grass layer with white flowers.
State conservation Northern Territory:

Event

Occurrence date 1987-05-09
Date precision DAY

Taxonomy

Scientific name Xenostegia tridentata
Identified to rank species
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Solanales
Family Convolvulaceae
Genus Xenostegia
Species Xenostegia tridentata
Name match metric exactMatch
Scientific name authorship (L.) D.F.Austin & Staples
Name parse type SCIENTIFIC

Geospatial

Higher geography Oceania | Australia | Northern Territory
Country Australia
State or Territory Northern Territory
Habitat
Supplied as "Dry stoney ground in open woodland with Euc.bleesari, confertifloa, polycarpa, Liv. Humilis, Acacia, Grev.pteridofolia."
Latitude -12.716667
Supplied as: "-12.7166667"
Longitude 132.783333
Supplied as: "132.7833333"
Datum EPSG:4326
Verbatim locality On Kakadu Hwy 7.6 km S of Arnhem Hwy, 100 m S of Mica Creek.
Coordinate precision Unknown
Coordinate uncertainty (in metres) 10000.0
Georeferenced by Collector
Terrestrial true
Biome TERRESTRIAL
Continent OCEANIA
Supplied as Oceania
Marine false
Country Code AU

Additional properties

avh export id dff01be8-a852-4dbb-a8ff-765c2f3d968f

User flagged issues 

    Data quality tests

    Test name Result
    Coordinate rounded Warning
    Geodetic datum assumed WGS84 Warning
    Show/Hide 81 passed properties
    Show/Hide 5 missing properties
    Show/Hide 19 tests that have not been run

    Additional political boundaries information

    Area Management
    Australian Tropical Savanna Australian Tropical Savanna
    CAPAD 2010 Terrestrial Kakadu
    CAPAD 2012 Terrestrial Kakadu
    CAPAD 2014 Terrestrial Kakadu National Park
    CAPAD 2016 Terrestrial Kakadu
    Fallow practice - dominant (area) No cereal producers
    Fallow practice - dominant (number) No cereal producers
    Global 200 priority ecoregions - Terrestrial Northern Australia and Trans-Fly Savannas
    Important Bird Areas (IBA) Australia Kakadu Savanna IBA
    Irrigation practice - dominant No irrigation
    Land use Nature conservation
    NRM Regions 2010 Northern Territory
    NRM Regions 2014 Northern Territory
    NRM Regions 2015 Northern Territory
    NRM Regions 2017 Northern Territory
    NRM Regions 2017 (Qld 2019) Northern Territory
    Stubble practice - dominant (area) No cereal producers
    Stubble practice - dominant (number) No cereal producers
    Tillage practice - dominant (area) No cereal producers
    Tillage practice - dominant (number) No cereal producers
    Area management
    National Landcare Program Management Units 2018 Northern Territory
    Biodiversity
    Freshwater Ecoregions of the World Arafura - Carpentaria
    IBRA 6 Regions Pine Creek
    IBRA 6 Sub Regions Pine Creek
    IBRA 7 Regions Pine Creek
    IBRA 7 Subregions Pine Creek
    Terrestrial Ecoregional Boundaries Arnhem Land Tropical Savanna
    World Anthropogenic Biomes (2000) Populated rangelands
    Climate
    Agroclimatic classification of Australia Strongly developed wet and dry seasons with plant growth determined by moisture availability
    Koppen Climate Classification (All Classes) Tropical: savanna
    Koppen Climate Classification (Major Classes) Tropical
    Fire
    Fire regime niches Eucalypt savanna woodland (monsoon tropical)
    Hydrology
    Drainage Divisions Level 1 Tanami-Timor Sea Coast
    Drainage Divisions Level 2 SOUTH ALLIGATOR RIVER
    River Regions SOUTH ALLIGATOR RIVER
    Marine
    Marine Ecoregions of the World Arnhem Coast to Gulf of Carpenteria
    States including coastal waters Northern Territory (including Coastal Waters)
    Political
    ASGS Australian States and Territories Northern Territory
    Australian States and Territories Northern Territory
    Commonwealth Electoral Boundaries Lingiari
    Local Government Areas 2011 West Arnhem (S)
    Local Government Areas 2012 deprecated South Alligator
    Local Government Areas PSMA 2018 WEST ARNHEM REGION
    PSMA ABS Census Indigenous Language Speakers by Area - I01B (2016) 206
    PSMA ABS Census Selected Person Characteristics by Indigenous Status by Area - I01A (2016) 485
    PSMA ABS Greater Capital City Statistical Areas (2016) REST OF NT
    PSMA ABS SA2 Statistical Areas (2016) ALLIGATOR
    PSMA ABS SA3 Statistical Areas (2016) DALY - TIWI - WEST ARNHEM
    PSMA ABS SA4 Statistical Areas (2016) NORTHERN TERRITORY - OUTBACK
    PSMA Commonwealth Electoral Boundaries (2016) LINGIARI
    PSMA Commonwealth Electoral Boundaries (2018) LINGIARI
    PSMA Indigenous Areas (2016) KAKADU - MARRAKAI - JABIRU
    PSMA Indigenous Locations (2016) KAKADU - MARRAKAI - SURROUNDS
    PSMA Indigenous Regions (2016) JABIRU - TIWI
    PSMA Localities (2018) KAKADU
    PSMA Remoteness Areas (2016) Remote Australia
    PSMA Section of State (2016) RURAL BALANCE
    PSMA Section of State Range (2016) REMAINDER OF STATE/TERRITORY
    PSMA Significant Urban Area (2016) NOT IN ANY SIGNIFICANT URBAN AREA (NT)
    PSMA State Electoral Boundaries (2016) ARAFURA
    PSMA State Electoral Boundaries (2018) ARAFURA
    PSMA States (2016) NORTHERN TERRITORY
    PSMA Urban Centre and Locality (2016) REMAINDER OF STATE/TERRITORY (NT)
    PSMA Wards (2018) KAKADU WARD
    Statistical Local Areas West Arnhem (S) Bal
    World Country Boundaries Australia
    Substrate
    Geological Regions of Australia Pine Creek Region
    Surface Geology of Australia Axn
    Topography
    Physiographic Provinces of Australia North Australian Plateaus Province
    Physiographic Regions 2011 Top End Coastal Plains
    Vegetation
    Australia's Indigenous forest estate (2013) v2.0 Indigenous managed, Non forest
    Forests of Australia (2013) v2.0 Non Forest
    Land cover Native forests and woodlands
    NVIS 4.1 Major Vegetation Groups Tropical Eucalypt Woodlands/Grasslands
    NVIS 4.1 Major Vegetation Subgroups Tropical Eucalyptus forest and woodlands with a tall annual grassy understorey
    Tenure of Australia's forests (2013) v2.0 Private Freehold
    Vegetation - condition Residual
    Vegetation types - native Tropical eucalypt woodlands/grasslands
    Vegetation types - present Tropical eucalypt woodlands/grasslands

    Environmental sampling for this location

    Area Management
    Natural resource management expenditure 1.0309905E7 $
    Biodiversity
    Acacia – Miller et al 2012 - 0.5 degree 0.7087
    Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 3.7138
    Endemism 0.011890697
    Endemism (Non-marine) 0.012152058
    Mammals – Fritz et al 2009 - 0.5 degree 0.2691
    Migratory species (2008) 9.0 frequency
    Occurrence Density 3219.0 frequency
    Shannon Diversity (H) 5.495139 index
    Species Richness 568.0 frequency
    Threatened communities (2008) 0.0 frequency
    Threatened species (2008) 3.0 frequency
    Climate
    2030A1BMk35M: Aridity index - annual mean 0.580922
    2030A1BMk35M: Evaporation - month min 166.25 mm
    2030A1BMk35M: Precipitation - annual mean 110.589165 mm
    2030A1BMk35M: Precipitation - driest month 0.0 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.33578172
    2030A1BMk35M: Precipitation - spring or autumn season -1.9613658
    2030A1BMk35M: Temperature - annual max mean 35.184998 degrees C
    2030A1BMk35M: Temperature - annual min mean 23.198334 degrees C
    2030A1BMk35M: Temperature - annual range 19.579987 degrees C
    Aridity index - annual mean 0.684786
    Aridity index - month max 2.1669004
    Aridity index - month min 0.0053465567
    Evaporation - annual mean 182.24376 (ml/5km x 5km pixel)
    Evaporation - average 26446.0 ml
    Evaporation - month max 238.03627 mm
    Evaporation - month min 142.6 mm
    Evaporation - variability 9.0 %
    Growth index C3 macrotherm plants - annual mean 0.44 index
    Growth index C3 mesotherm plants - annual mean 0.12 index
    Growth index C4 megatherm plants - annual mean 0.42 index
    Humidity - annual mean relative 78.20691 %
    Humidity - annual mean relative 3pm 59.73832 %
    Humidity - month max relative 88.2143 %
    Humidity - month max relative 3pm 74.202965 %
    Humidity - month min relative 50.02248 %
    Humidity - month min relative 3pm 50.02248 %
    Precipitation - annual 1345.0 mm
    Precipitation - annual (Bio12) 1446.0 mm
    Precipitation - annual mean 113.34428 mm
    Precipitation - annual seasonality 14.176166
    Precipitation - coldest quarter (Bio19) 3.0 mm
    Precipitation - driest month 1.0 mm
    Precipitation - driest period (Bio14) 0.0 mm
    Precipitation - driest quarter (Bio17) 3.0 mm
    Precipitation - equinox seasonality ratio 0.47119433
    Precipitation - seasonality (Bio15) 113.0 mm
    Precipitation - spring or autumn season -1.115305
    Precipitation - warmest quarter (Bio18) 386.0 mm
    Precipitation - wettest month 314.92526 mm
    Precipitation - wettest period (Bio13) 88.0 mm
    Precipitation - wettest quarter (Bio16) 980.0 mm
    Radiation - annual mean (Bio20) 21.2 MJ/m2/day
    Radiation - seasonality (Bio23) 10.0
    Radiation - warmest quarter (Bio26) 23.6 MJ/m2/day
    Temperature - annual max mean 33.645 degrees C
    Temperature - annual mean (Bio01) 28.2 degrees C
    Temperature - annual min mean 21.554167 degrees C
    Temperature - annual range 23.100006 degrees C
    Temperature - annual range (Bio07) 19.9 degrees C
    Temperature - coldest month min 16.69 degrees C
    Temperature - coldest period min (Bio06) 17.8 degrees C
    Temperature - coldest quarter mean (Bio11) 25.3 degrees C
    Temperature - diurnal range mean (Bio02) 11.9 degrees C
    Temperature - driest quarter mean (Bio09) 25.4 degrees C
    Temperature - isothermality (Bio03) 0.6 %
    Temperature - month hottest maximum 37.1 degrees C
    Temperature - seasonality (Bio04) 0.65
    Temperature - warmest month min 24.34 degrees C
    Temperature - warmest period max (Bio05) 37.7 degrees C
    Temperature - warmest quarter (Bio10) 30.5 degrees C
    Temperature - wettest quarter mean (Bio08) 29.0 degrees C
    Wind run - annual mean 93.67837 km/day
    WorldClim: Precipitation - annual 1457.0 mm
    WorldClim: Precipitation - coldest quarter 5.0 mm
    WorldClim: Precipitation - driest month 1.0 mm
    WorldClim: Precipitation - driest quarter 5.0 mm
    WorldClim: Precipitation - seasonality 109.0
    WorldClim: Precipitation - warmest quarter 394.0 mm
    WorldClim: Precipitation - wettest month 334.0 mm
    WorldClim: Precipitation - wettest quarter 970.0 mm
    WorldClim: Temperature - annual mean 279.0 degrees C * 10
    WorldClim: Temperature - annual range 196.0 degrees C * 10
    WorldClim: Temperature - coldest month min 175.0 degrees C * 10
    WorldClim: Temperature - coldest quarter mean 250.0 degrees C * 10
    WorldClim: Temperature - diurnal range mean 119.0 degrees C * 10
    WorldClim: Temperature - driest quarter mean 250.0 degrees C * 10
    WorldClim: Temperature - isothermality 60.0 %
    WorldClim: Temperature - seasonality 1912.0 standard deviation (degrees C * 10) * 100
    WorldClim: Temperature - warmest month max 371.0 degrees C * 10
    WorldClim: Temperature - warmest quarter mean 301.0 degrees C * 10
    WorldClim: Temperature - wettest quarter mean 287.0 degrees C * 10
    Distance
    Distance - to any water (weighted) 0.0 degrees
    Distance - to coast 0.5381449 km x 100
    Distance - to non-permanent water (weighted) 0.0 degrees
    Distance - to permanent water (weighted) 0.05656854 km
    Euclidean Distance to Coast (metres) 56280.99 m
    Remoteness index 9.497007
    Fire
    Fire - time since last 1.0 years
    Fire frequency 7.0 frequency
    Hydrology
    Drainage - average 1866.0 megalitres/5x5km/year
    Drainage - variability 45.0 %
    Runoff - average 7719.0 megalitres/5x5km/year
    Water Observations From Space 0.0 Percentage
    Social
    Population - density SLA 2006 p/sqkm) 0.0 people/km^2
    Substrate
    2030A1BMk35M: Water stress index - month max 81.0
    ASRIS 0-1m Plant Available Water Capacity (250m raster) 95.0 mm
    ASRIS 0-30cm Bulk Density (250m raster) 1.55 Mg/m3
    ASRIS 0-30cm Clay Content (250m raster) 23.0 %
    Bulk density 1.3445455 Mg/m^3
    Carbon - organic 0.20679262 %
    Clay % 12.909091 %
    Hydrologic conductivity - average saturated 300.0 mm/h
    Moisture Index - annual mean (Bio28) 0.49
    Moisture Index - highest quarter mean (Bio32) 1.0
    Nutrient status 1.0 index
    Ph - soil 4.0 ph
    Soil depth 0.6 m
    Soil pedality 2.0636363
    Water holding capacity 44000.0 mm
    Water stress index - month max 81.0
    Weathering Intensity V2 5.44274 Weathering Intensity Index
    Topography
    Aspect 159.0 degrees
    Averaged Topographic Relief 15.833333 metres
    Bathymetry and Elvation 9 sec 18.0 m
    Elevation 22.0 m
    Topographic Slope (degrees) 0.53795916 degrees
    Topographic relief 2.247633 m
    Topographic slope (%) 0.1469717 %
    Vegetation
    Enhanced Vegetation Index (2012-03-05) 0.3021 EVI
    Fraction of Photosynthetically Active Radiation (fPAR) 49.0 %
    Fractional Cover - Bare Soil (2012-03-05) 5.0 % Bare Soil
    Fractional Cover - Non-persistent Vegetation (2012-03-05) 31.0 % Non-persistent Vegetation
    Fractional Cover - Persistent Vegetation (2012-03-05) 64.0 % Persistent Vegetation
    Gross Primary Productivity (2012-03-13) 0.0011 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 1.6 m^2 plant / m^2 ground
    NDVI Mean 53.0 NDVI x 100
    NPP Mean 4.0 tonnes/ha/yr
    Normalized Difference Vegetation Index (2012-03-05) 0.636 NDVI