Occurrence record: DNA D0011307

Preserved specimen of Marsilea crenata C.Presl recorded on 1975-08-05

Dataset

Data partner Australia's Virtual Herbarium
Data resource DNA AVH data
Institution code Department of Environment and Natural Resources
Supplied institution code "DNA"
Collection Northern Territory Herbarium (Darwin)
Supplied collection code "DNA"
Catalog number DNA D0011307
Occurrence ID DNA:DNA:DNA D0011307
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Preparations sheet
Collector R.E. (Bob) Fox
Record number 894
Reproductive condition fertile
License CC-BY 4.0 (Int)
Presence/Absence PRESENT
Supplied as Present
Occurrence remarks in mud at edge of water. prostrate, spreading herb
State conservation Northern Territory:

Event

Occurrence date 1975-08-05
Date precision DAY

Taxonomy

Scientific name Marsilea crenata
Supplied scientific name "Marsilea crenata C.Presl"
Identified to rank species
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Salviniales
Family Marsileaceae
Genus Marsilea
Species Marsilea crenata
Name match metric exactMatch
Scientific name authorship C.Presl
Name parse type SCIENTIFIC

Geospatial

Country Australia
State or Territory Northern Territory
Supplied as: "The Northern Territory"
Locality jabiru; georgetown billabong
Latitude -12.66389623517062
Supplied as: "-12.6652550222598"
Longitude 132.88547993535505
Supplied as: "132.884522840044"
Datum EPSG:4326
Supplied datum: "AGD66"
Verbatim locality jabiru; georgetown billabong
Coordinate precision Unknown
Coordinate uncertainty (in metres) 10000.0
Georeferenced by R.E. (Bob) Fox
Terrestrial true
Biome TERRESTRIAL
Marine false
Country Code AU

User flagged issues 

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    Test name Result
    Coordinates converted to WGS84 Warning
    Coordinate rounded Warning
    Coordinates dont match supplied state 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 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 EAST ALLIGATOR RIVER
    River Regions EAST 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 Czu
    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 owned, Non forest
    Forests of Australia (2013) v2.0 Non Forest
    IGBP Land Cover vegetation classification scheme (2011) Savannas
    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 Removed
    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 0.024278654
    Endemism (Non-marine) 0.024927748
    Mammals – Fritz et al 2009 - 0.5 degree 0.2691
    Migratory species (2008) 9.0 frequency
    Occurrence Density 22289.0 frequency
    Shannon Diversity (H) 5.7009993 index
    Species Richness 1734.0 frequency
    Threatened communities (2008) 0.0 frequency
    Threatened species (2008) 3.0 frequency
    Climate
    2030A1BMk35M: Aridity index - annual mean 0.5858776
    2030A1BMk35M: Evaporation - month min 166.54 mm
    2030A1BMk35M: Precipitation - annual mean 111.450836 mm
    2030A1BMk35M: Precipitation - driest month 0.0 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.32085362
    2030A1BMk35M: Precipitation - spring or autumn season -2.0982494
    2030A1BMk35M: Temperature - annual max mean 35.180832 degrees C
    2030A1BMk35M: Temperature - annual min mean 23.284166 degrees C
    2030A1BMk35M: Temperature - annual range 19.339996 degrees C
    Aridity index - annual mean 0.69252586
    Aridity index - month max 2.186429
    Aridity index - month min 0.0053723683
    Evaporation - annual mean 182.30664 (ml/5km x 5km pixel)
    Evaporation - average 27859.0 ml
    Evaporation - month max 237.96645 mm
    Evaporation - month min 143.1558 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 78.48916 %
    Humidity - annual mean relative 3pm 59.80434 %
    Humidity - month max relative 88.379036 %
    Humidity - month max relative 3pm 74.24884 %
    Humidity - month min relative 50.065662 %
    Humidity - month min relative 3pm 50.065662 %
    Precipitation - annual 1370.0 mm
    Precipitation - annual (Bio12) 1458.0 mm
    Precipitation - annual mean 114.89417 mm
    Precipitation - annual seasonality 14.635301
    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 0.46376812
    Precipitation - seasonality (Bio15) 114.0 mm
    Precipitation - spring or autumn season -1.1490684
    Precipitation - warmest quarter (Bio18) 382.0 mm
    Precipitation - wettest month 321.0 mm
    Precipitation - wettest period (Bio13) 90.0 mm
    Precipitation - wettest quarter (Bio16) 993.0 mm
    Radiation - annual mean (Bio20) 21.2 MJ/m2/day
    Radiation - seasonality (Bio23) 10.0
    Radiation - warmest quarter (Bio26) 23.7 MJ/m2/day
    Temperature - annual max mean 33.703335 degrees C
    Temperature - annual mean (Bio01) 28.3 degrees C
    Temperature - annual min mean 21.643333 degrees C
    Temperature - annual range 23.200012 degrees C
    Temperature - annual range (Bio07) 19.7 degrees C
    Temperature - coldest month min 16.89 degrees C
    Temperature - coldest period min (Bio06) 18.0 degrees C
    Temperature - coldest quarter mean (Bio11) 25.4 degrees C
    Temperature - diurnal range mean (Bio02) 11.8 degrees C
    Temperature - driest quarter mean (Bio09) 25.5 degrees C
    Temperature - isothermality (Bio03) 0.6 %
    Temperature - month hottest maximum 37.22 degrees C
    Temperature - seasonality (Bio04) 0.63
    Temperature - warmest month min 24.39 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 93.46576 km/day
    WorldClim: Precipitation - annual 1471.0 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 110.0
    WorldClim: Precipitation - warmest quarter 392.0 mm
    WorldClim: Precipitation - wettest month 339.0 mm
    WorldClim: Precipitation - wettest quarter 986.0 mm
    WorldClim: Temperature - annual mean 280.0 degrees C * 10
    WorldClim: Temperature - annual range 193.0 degrees C * 10
    WorldClim: Temperature - coldest month min 178.0 degrees C * 10
    WorldClim: Temperature - coldest quarter mean 252.0 degrees C * 10
    WorldClim: Temperature - diurnal range mean 118.0 degrees C * 10
    WorldClim: Temperature - driest quarter mean 252.0 degrees C * 10
    WorldClim: Temperature - isothermality 61.0 %
    WorldClim: Temperature - seasonality 1813.0 standard deviation (degrees C * 10) * 100
    WorldClim: Temperature - warmest month max 371.0 degrees C * 10
    WorldClim: Temperature - warmest quarter mean 300.0 degrees C * 10
    WorldClim: Temperature - wettest quarter mean 286.0 degrees C * 10
    Distance
    Distance - to any water (weighted) 0.0 degrees
    Distance - to coast 0.5700877 km x 100
    Distance - to non-permanent water (weighted) 0.0 degrees
    Distance - to permanent water (weighted) 0.01 km
    Euclidean Distance to Coast (metres) 56289.25 m
    Remoteness index 9.12642
    Fire
    Fire - time since last 1.0 years
    Fire frequency 2.0 frequency
    Hydrology
    Drainage - average 1815.0 megalitres/5x5km/year
    Drainage - variability 50.0 %
    Runoff - average 7209.0 megalitres/5x5km/year
    Water Observations From Space 0.0 Percentage
    Social
    Population - density SLA 2006 p/sqkm) 2.5939703 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 1.358469 Mg/m^3
    Carbon - organic 0.29530945 %
    Clay % 30.46124 %
    Hydrologic conductivity - average saturated 146.15385 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 1.3 m
    Soil pedality 2.0
    Water holding capacity 47500.0 mm
    Water stress index - month max 81.0
    Weathering Intensity V2 5.71365 Weathering Intensity Index
    Topography
    Aspect 70.0 degrees
    Averaged Topographic Relief 28.666666 metres
    Bathymetry and Elvation 9 sec 19.0 m
    Elevation 15.0 m
    Topographic Slope (degrees) 0.18621953 degrees
    Topographic relief 5.035036 m
    Topographic slope (%) 0.2819484 %
    Vegetation
    Enhanced Vegetation Index (2012-03-05) 0.2816 EVI
    Fraction of Photosynthetically Active Radiation (fPAR) 47.0 %
    Fractional Cover - Bare Soil (2012-03-05) 0.0 % Bare Soil
    Fractional Cover - Non-persistent Vegetation (2012-03-05) 46.0 % Non-persistent Vegetation
    Fractional Cover - Persistent Vegetation (2012-03-05) 54.0 % Persistent Vegetation
    Gross Primary Productivity (2012-03-13) 0.0028 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 1.4 m^2 plant / m^2 ground
    NDVI Mean 52.0 NDVI x 100
    NPP Mean 5.0 tonnes/ha/yr
    Normalized Difference Vegetation Index (2012-03-05) 0.5265 NDVI