Occurrence record: CNS:CNS 152863.1

Preserved specimen of Urochloa holosericea (R.Br.) R.D.Webster | Silkytop Armgrass recorded on 2003-03-04
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Dataset

Data partner Australia's Virtual Herbarium
Data resource Australian Tropical Herbarium (CNS) AVH data
Institution code Australian Tropical Herbarium
Supplied institution code "CNS"
Collection Australian Tropical Herbarium
Supplied collection code "CNS"
Catalog number CNS 152863.1
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Preparations sheet
Identified by BRI  
Identified date 2006-07-12
Collector Wannan, B.S.  
Supplied as "Wannan, B.S."
Record number 2626
Reproductive condition leaf
License CC-BY 4.0 (Int)
Supplied as http://creativecommons.org/licenses/by/4.0/legalcode
Language en
Presence/Absence PRESENT
Supplied as present
Disposition in collection
Occurrence remarks Site 6. Grass
Date identified 2006-07-12

Event

Occurrence date 2003-03-04
Date precision DAY

Taxonomy

Scientific name Urochloa holosericea
Supplied scientific name "Urochloa holosericea (R.Br.) R.D.Webster"
Identified to rank species
Common name Silkytop Armgrass
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Poales
Family Poaceae
Genus Urochloa
Species Urochloa holosericea
Name match metric exactMatch
Scientific name authorship (R.Br.) R.D.Webster
Name parse type SCIENTIFIC
Nomenclatural code ICN

Geospatial

Country Australia
State or Territory Northern Territory
Locality Woodcutters Mine, S of Darwin.
Habitat
Supplied as "Rocky hillslope on metamorphic soil (siltstone, mudstone). Open woodland to 14m. Trees: Eucalyptus miniata , Corymbia sp.,Acacia auriculiformis, Petalostigma pubescens, Planchonia careyi, Lophostemon grandifolia, Owenia vernicosa, Cochlospermum fraseri. Understorey/ groundcover: Ficus opposita, Melaleuca nervosa, Livistona humilis, Calytrix exstipulata, Themeda quadrivalvis, Croton arnhemicus, Urochloa holosericea, Cartonema spicatum, Chrysopogon latifolius, Murdannia graminea, Urochloa holosericea, Flemingia parvifolia, Uraria lagopodioides, Neptunia gracilis, Knoxia stricta, Pacynema dilatatum."
Latitude -12.996944
Supplied as: "-12.996944444"
Longitude 131.110833
Supplied as: "131.110833333"
Datum EPSG:4326
Min elevation 90
Coordinate precision Unknown
Coordinate uncertainty (in metres) 1000.0
Georeferenced by collector
County Darwin & Gulf
Terrestrial true
Verbatim latitude 12 59 49 S
Biome TERRESTRIAL
Marine false
Country Code AU
Verbatim longitude 131 6 39 E

User flagged issues 

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    Test name Result
    Coordinate rounded Warning
    Geodetic datum assumed WGS84 Warning
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    Additional political boundaries information

    Area Management
    Australian Tropical Savanna Australian Tropical Savanna
    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
    Irrigation practice - dominant No irrigation
    Land use Other minimal uses
    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) Remote 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 ADELAIDE RIVER
    River Regions ADELAIDE RIVER
    Marine
    Marine Ecoregions of the World Bonaparte Coast
    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 Coomalie (S)
    Local Government Areas 2012 deprecated Coomalie
    Local Government Areas PSMA 2018 COOMALIE SHIRE
    PSMA ABS Census Indigenous Language Speakers by Area - I01B (2016) 111
    PSMA ABS Census Selected Person Characteristics by Indigenous Status by Area - I01A (2016) 593
    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) COX - FINNISS - COOMALIE
    PSMA Indigenous Locations (2016) ADELAIDE RIVER - COOMALIE
    PSMA Indigenous Regions (2016) DARWIN
    PSMA Localities (2018) COOMALIE CREEK
    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) DALY
    PSMA State Electoral Boundaries (2018) DALY
    PSMA States (2016) NORTHERN TERRITORY
    PSMA Urban Centre and Locality (2016) REMAINDER OF STATE/TERRITORY (NT)
    PSMA Wards (2018) COOMALIE RURAL WARD
    Statistical Local Areas Coomalie (S)
    World Country Boundaries Australia
    Substrate
    Geological Regions of Australia Pine Creek Region
    Surface Geology of Australia Lspi
    Topography
    Physiographic Provinces of Australia North Australian Plateaus Province
    Physiographic Regions 2011 Pine Creek Ridges
    Vegetation
    Australia's Indigenous forest estate (2013) v2.0 Non-Indigenous, Non forest
    Forests of Australia (2013) v2.0 Non Forest
    Forests of Australia 2018B Eucalypt Medium Woodland
    IGBP Land Cover vegetation classification scheme (2011) Woody savannas
    Land cover Native forests and woodlands
    NVIS 4.1 Major Vegetation Groups Eucalypt Woodlands
    NVIS 4.1 Major Vegetation Subgroups Eucalyptus woodlands with a tussock grass understorey
    Tenure of Australia's forests (2013) v2.0 Private Freehold
    Vegetation - condition Modified
    Vegetation types - native Melaleuca forests and woodlands
    Vegetation types - present Melaleuca forests and woodlands

    Environmental sampling for this location

    Area Management
    Natural resource management expenditure 1.0309905E7 $
    Area management
    Phosphorus 0.026458 t/ha
    Potassium 0.04 t/ha
    Biodiversity
    Acacia – Miller et al 2012 - 0.5 degree 0.6122
    Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 3.4516
    Endemism 0.007127272
    Endemism (Non-marine) 0.0073706396
    Mammals – Fritz et al 2009 - 0.5 degree 0.2691
    Migratory species (2008) 5.0 frequency
    Occurrence Density 3981.0 frequency
    Shannon Diversity (H) 5.4974957 index
    Species Richness 583.0 frequency
    Threatened communities (2008) 0.0 frequency
    Threatened species (2008) 3.0 frequency
    Climate
    2030A1BMk35M: Aridity index - annual mean 0.6825043
    2030A1BMk35M: Evaporation - month min 141.36 mm
    2030A1BMk35M: Precipitation - annual mean 114.7375 mm
    2030A1BMk35M: Precipitation - driest month 0.0 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.5143756
    2030A1BMk35M: Precipitation - spring or autumn season -0.93888265
    2030A1BMk35M: Temperature - annual max mean 34.595 degrees C
    2030A1BMk35M: Temperature - annual min mean 22.106667 degrees C
    2030A1BMk35M: Temperature - annual range 20.700012 degrees C
    Aridity index - annual mean 0.72428715
    Aridity index - month max 2.21781
    Aridity index - month min 0.0049149543
    Evaporation - annual mean 183.94481 (ml/5km x 5km pixel)
    Evaporation - average 23926.0 ml
    Evaporation - month max 242.88786 mm
    Evaporation - month min 137.97395 mm
    Evaporation - variability 8.0 %
    Growth index C3 macrotherm plants - annual mean 0.47 index
    Growth index C3 mesotherm plants - annual mean 0.18 index
    Growth index C4 megatherm plants - annual mean 0.43 index
    Humidity - annual mean relative 77.48669 %
    Humidity - annual mean relative 3pm 61.602673 %
    Humidity - month max relative 87.2678 %
    Humidity - month max relative 3pm 75.31489 %
    Humidity - month min relative 53.21004 %
    Humidity - month min relative 3pm 53.21004 %
    Precipitation - annual 1409.0 mm
    Precipitation - annual (Bio12) 1481.0 mm
    Precipitation - annual mean 117.8971 mm
    Precipitation - annual seasonality 11.017492
    Precipitation - coldest quarter (Bio19) 6.0 mm
    Precipitation - driest month 1.0 mm
    Precipitation - driest period (Bio14) 0.0 mm
    Precipitation - driest quarter (Bio17) 6.0 mm
    Precipitation - equinox seasonality ratio 0.586079
    Precipitation - seasonality (Bio15) 105.0 mm
    Precipitation - spring or autumn season -0.7029045
    Precipitation - warmest quarter (Bio18) 444.0 mm
    Precipitation - wettest month 306.97446 mm
    Precipitation - wettest period (Bio13) 78.0 mm
    Precipitation - wettest quarter (Bio16) 940.0 mm
    Radiation - annual mean (Bio20) 21.2 MJ/m2/day
    Radiation - seasonality (Bio23) 8.0
    Radiation - warmest quarter (Bio26) 23.0 MJ/m2/day
    Temperature - annual max mean 32.358334 degrees C
    Temperature - annual mean (Bio01) 27.5 degrees C
    Temperature - annual min mean 20.694166 degrees C
    Temperature - annual range 21.702545 degrees C
    Temperature - annual range (Bio07) 21.1 degrees C
    Temperature - coldest month min 15.27 degrees C
    Temperature - coldest period min (Bio06) 15.6 degrees C
    Temperature - coldest quarter mean (Bio11) 24.4 degrees C
    Temperature - diurnal range mean (Bio02) 12.5 degrees C
    Temperature - driest quarter mean (Bio09) 24.4 degrees C
    Temperature - isothermality (Bio03) 0.59 %
    Temperature - month hottest maximum 34.79 degrees C
    Temperature - seasonality (Bio04) 0.69
    Temperature - warmest month min 23.49 degrees C
    Temperature - warmest period max (Bio05) 36.7 degrees C
    Temperature - warmest quarter (Bio10) 29.7 degrees C
    Temperature - wettest quarter mean (Bio08) 28.4 degrees C
    Wind run - annual mean 95.7321 km/day
    WorldClim 2.1: Temperature - annual mean 11.983334 °C
    WorldClim: Precipitation - annual 1362.0 mm
    WorldClim: Precipitation - coldest quarter 8.0 mm
    WorldClim: Precipitation - driest month 2.0 mm
    WorldClim: Precipitation - driest quarter 8.0 mm
    WorldClim: Precipitation - seasonality 103.0
    WorldClim: Precipitation - warmest quarter 382.0 mm
    WorldClim: Precipitation - wettest month 314.0 mm
    WorldClim: Precipitation - wettest quarter 872.0 mm
    WorldClim: Temperature - annual mean 271.0 degrees C * 10
    WorldClim: Temperature - annual range 197.0 degrees C * 10
    WorldClim: Temperature - coldest month min 159.0 degrees C * 10
    WorldClim: Temperature - coldest quarter mean 240.0 degrees C * 10
    WorldClim: Temperature - diurnal range mean 117.0 degrees C * 10
    WorldClim: Temperature - driest quarter mean 240.0 degrees C * 10
    WorldClim: Temperature - isothermality 59.0 %
    WorldClim: Temperature - seasonality 2021.0 standard deviation (degrees C * 10) * 100
    WorldClim: Temperature - warmest month max 356.0 degrees C * 10
    WorldClim: Temperature - warmest quarter mean 293.0 degrees C * 10
    WorldClim: Temperature - wettest quarter mean 280.0 degrees C * 10
    Distance
    Distance - to any water (weighted) 0.0 degrees
    Distance - to coast 0.4518849 km x 100
    Distance - to non-permanent water (weighted) 0.0 degrees
    Distance - to permanent water (weighted) 0.049999997 km
    Euclidean Distance to Coast (metres) 66412.86 m
    Remoteness index 6.159802
    Fire
    Fire - time since last 2.0 years
    Fire frequency 4.0 frequency
    Hydrology
    Drainage - average 2322.0 megalitres/5x5km/year
    Drainage - variability 24.0 %
    Runoff - average 9768.0 megalitres/5x5km/year
    Water Observations From Space 0.0 Percentage
    Social
    Population - density SLA 2006 p/sqkm) 0.7 people/km^2
    Substrate
    2030A1BMk35M: Water stress index - month max 81.0
    ASRIS 0-1m Plant Available Water Capacity (250m raster) 61.0 mm
    ASRIS 0-30cm Bulk Density (250m raster) 1.55 Mg/m3
    ASRIS 0-30cm Clay Content (250m raster) 18.0 %
    Bulk density 1.5958622 Mg/m^3
    Carbon - organic 0.4275201 %
    Clay % 38.616665 %
    Hydrologic conductivity - average saturated 16.666666 mm/h
    Moisture Index - annual mean (Bio28) 0.51
    Moisture Index - highest quarter mean (Bio32) 1.0
    Nutrient status 1.0 index
    Ph - soil 5.0 ph
    Soil depth 0.9 m
    Soil pedality 3.0942528
    Water holding capacity 52750.0 mm
    Water stress index - month max 81.0
    Weathering Intensity V2 3.35106 Weathering Intensity Index
    Topography
    Aspect 259.0 degrees
    Averaged Topographic Relief 64.75 metres
    Bathymetry and Elvation 9 sec 58.0 m
    Elevation 72.0 m
    Topographic Slope (degrees) 0.2603501 degrees
    Topographic relief 27.83649 m
    Topographic slope (%) 1.925089 %
    Vegetation
    Enhanced Vegetation Index (2012-03-05) 0.4069 EVI
    Fraction of Photosynthetically Active Radiation (fPAR) 53.0 %
    Gross Primary Productivity (2012-03-13) 0.0082 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 1.6 m^2 plant / m^2 ground
    NDVI Mean 21.0 NDVI x 100
    NPP Mean 3.0 tonnes/ha/yr
    Normalized Difference Vegetation Index (2012-03-05) 0.7878 NDVI