Occurrence record: Sustainable Rivers Audit - 80699-PRG0701-20110514-BLV-20-BIDBID

MACHINE_OBSERVATION of Bidyanus bidyanus (Mitchell, 1838) | silver perch recorded on 2011-05-14


Data resource Sustainable Rivers Audit
Institution Supplied institution code "MDBA"
Catalogue number 80699-PRG0701-20110514-BLV-20-BIDBID
Basis of record Machine observation
Supplied basis "MachineObservation"
Individual count 1
Licence CC-BY-Int
Institution id in94
Establishment means NATIVE
Supplied as native
Occurrence status PRESENT
Sampling protocol Large Electrofishing Boat


Record date 2011-05-14
Sampling protocol Large Electrofishing Boat
Verbatim event date 14-05-2011
Date precision DAY


Scientific name Bidyanus bidyanus
Taxon rank species
Common name silver perch
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Terapontidae
Genus Bidyanus
Species Bidyanus bidyanus
Match type exactMatch
Scientific name authorship (Mitchell, 1838)


Country Australia
State or territory Victoria
Locality Central Murray
Latitude -34.5
Supplied as: "-34.5"
Longitude 142.36
Supplied as: "142.36"
Geodetic datum EPSG:4326
Verbatim coordinate system decimal degrees
Verbatim locality Central Murray
Minimum elevation in metres 39.0
Maximum elevation in metres 39.0
Location remarks valley=Central Murray; reportingZone=Lower
Coordinate precision Unknown
Terrestrial true
Verbatim elevation 39.0
Verbatim latitude -34.5
Marine false
Country code AU
Verbatim longitude 142.36
Verbatim srs EPSG:4326

Additional properties

biomass 21.600000381469727
individual measurements [ {"length":118, "weight":21.6} ]

User flagged issues 

User Assertion Status:

Data quality tests

Test name Result
Coordinate uncertainty meters invalid Warning
Country inferred from coordinates Warning
Occurrence status inferred from individual count Warning
Ambiguous institution Passed
Basis of record badly formed Passed
Continent country mismatch Passed
Continent derived from coordinates Passed
Continent invalid Passed
Coordinates centre of country Passed
Supplied coordinates centre of state Passed
Coordinate accuracy invalid Passed
Coordinate invalid Passed
Coordinates are out of range for species Passed
Coordinate precision uncertainty mismatch Passed
Coordinates converted to WGS84 Passed
Decimal latitude/longitude conversion failed Passed
Coordinate reprojection suspicious Passed
Coordinate rounded Passed
Coordinates dont match supplied country Passed
Country invalid Passed
Country mismatch Passed
Different owner institution Passed
Min and max altitude reversed Passed
Altitude value non-numeric Passed
Altitude value supplied in feet Passed
Elevation unlikely Passed
First of the century Passed
First of the month Passed
First of the year Passed
Geodetic datum assumed WGS84 Passed
Unrecognized geodetic datum Passed
Georeferenced after occurrence date Passed
Identification date before occurrence date Passed
Individual count conflicts with occurrence status Passed
Individual count invalid Passed
Institution and Collection mismatch Passed
Institution match fuzzy Passed
Institution not matched Passed
Interpretation error Passed
Invalid scientific name Passed
Location not supplied Passed
Missing collection date Passed
Missing geodetic datum Passed
Multimedia date invalid Passed
Multimedia uri invalid Passed
Name not supplied Passed
Occurrence status inferred from basis of record Passed
Occurrence status unparsable Passed
Possibly on loan Passed
Latitude is negated Passed
Longitude is negated Passed
Presumed swapped coordinate Passed
Recorded date invalid Passed
Recorded date mismatch Passed
Recorded date unlikely Passed
Sensitivity report invalid Passed
Sensitivity report not loadable Passed
Coordinates dont match supplied state Passed
Taxon affinity species Passed
Taxon confer species Passed
Taxon default match Passed
Taxon error Passed
Taxon excluded Passed
Taxon excluded associated Passed
Taxon homonym Passed
Taxon indeterminate species Passed
Taxon match aggregate Passed
Taxon match fuzzy Passed
Taxon match higher rank Passed
Taxon match none Passed
Taxon misapplied Passed
Taxon misapplied matched Passed
Taxon parent child synonym Passed
Taxon question species Passed
Resource taxonomic scope mismatch Passed
Taxon species plural Passed
Coordinate precision and uncertainty transposed Passed
Uncertainty not specified Passed
Supplied country not recognised Passed
Kingdom not recognised Passed
Unrecognized collection code Passed
Unrecognized institution code Passed
Supplied coordinates are zero Passed
Show/Hide 6 missing properties
Show/Hide 18 tests that have not been run

Additional political boundaries information

Area Management
Fallow practice - dominant (area) Fallow 3-9 months
Fallow practice - dominant (number) Fallow 3-9 months
Global 200 priority ecoregions - Freshwater Eastern Australia Rivers & Streams
Global 200 priority ecoregions - Terrestrial Southern Australia Mallee and Woodlands
Irrigation practice - dominant 6. Local knowledge
Land use Forestry
Murray Darling Basin Authority Water Quality Zones Lower
Murray-Darling Basin Boundary Murray-Darling Basin Boundary
Murray-Darling Basin Ground Water Plan Areas GW3
Murray-Darling Basin Ground Water Plan Areas (2018) Wimmera-Mallee (groundwater)
Murray-Darling Basin Ground Water SDL Resource Units Wimmera-Mallee: Highlands (GS9)
Murray-Darling Basin Ground Water SDL Resource Units (2018) Wimmera-Mallee: Sedimentary Plain (GS9b)
Murray-Darling Basin Surface Water Plan Areas SW2
Murray-Darling Basin Surface Water Plan Areas (2019) Victorian Murray
Murray-Darling Basin Surface Water SDL Resource Units SS2
Murray-Darling Basin Surface Water SDL Resource Units (2019) Victorian Murray
Murray-Darling Basin Sustainable Rivers Audit (SRA) Valleys CENTRAL MURRAY
Murray-Darling Basin Sustainable Rivers Audit (SRA) Zones lower
NRM Regions 2010 Mallee
NRM Regions 2014 Mallee
NRM Regions 2015 Mallee
NRM Regions 2017 Mallee
NRM Regions 2017 (Qld 2019) Mallee
Stubble practice - dominant (area) Stubble removed
Stubble practice - dominant (number) Stubble ploughed in
Tillage practice - dominant (area) Other cultivation
Tillage practice - dominant (number) 1-2 cultivations
Area management
National Landcare Program Management Units 2018 Mallee
Freshwater Ecoregions of the World Murray - Darling
IBRA 6 Regions Murray Darling Depression
IBRA 6 Sub Regions Murray Mallee
IBRA 7 Regions Riverina
IBRA 7 Subregions Robinvale Plains
Terrestrial Ecoregional Boundaries Murray-Darling Woodlands And Mallee
World Anthropogenic Biomes (2000) Remote croplands
Agroclimatic classification of Australia "Mediterranean" climate, but with drier cooler winters and less growth than Classic "Mediterranean" climate
Koppen Climate Classification (All Classes) Grassland: warm (persistently dry)
Koppen Climate Classification (Major Classes) Grassland
Fire regime niches Pasture, cropland (temperate)
Drainage Divisions Level 1 Murray-Darling Basin
Drainage Divisions Level 2 DARLING RIVER
River Regions UPPER MALLEE
Marine Ecoregions of the World Western Bassian
States including coastal waters Victoria (including Coastal Waters)
ASGS Australian States and Territories Victoria
Australian States and Territories New South Wales
Commonwealth Electoral Boundaries Mallee
Local Government Areas 2011 Mildura (RC)
Local Government Areas 2012 deprecated Wentworth
Local Government Areas PSMA 2018 MILDURA RURAL CITY
Murray-Darling Basin Water Resource Planning Areas Traditional Owners - Ground Water Dja Dja Wurrung, Latji Latji, Ngarket, Ngintait, Tati Tati, Wamba Wamba, Watjobaluk, Wergaia
Murray-Darling Basin Water Resource Planning Areas Traditional Owners - Ground Water (2019) Dja Dja Wurrung, Latji Latji, Ngintait, Tati Tati, Wemba Wemba, Watjobaluk, Wergaia
Murray-Darling Basin Water Resource Planning Areas Traditional Owners - Surface Water Barapa Barapa, Barkindji, Dhudhuroa, Latji Latji, Maraura, Ngintait, Tati Tati, Wadi Wadi, Wamba Wamba, Weki Weki, Yaithmathang, Yorta Yorta
Murray-Darling Basin Water Resource Planning Areas Traditional Owners - Surface Water (2019) Barapa Barapa, Barkindji, Dhudhuroa, Latji Latji, Maraura, Ngintait, Tati Tati, Taungurung, Wadi Wadi, Wemba Wemba, Weki Weki, Yaithmathang, Yorta Yorta
PSMA ABS Census Indigenous Language Speakers by Area - I01B (2016) 9
PSMA ABS Census Selected Person Characteristics by Indigenous Status by Area - I01A (2016) 2065
PSMA ABS Greater Capital City Statistical Areas (2016) REST OF VIC.
PSMA ABS SA2 Statistical Areas (2016) MILDURA REGION
PSMA ABS SA3 Statistical Areas (2016) MILDURA
PSMA ABS SA4 Statistical Areas (2016) NORTH WEST
PSMA Commonwealth Electoral Boundaries (2016) MALLEE
PSMA Commonwealth Electoral Boundaries (2018) MALLEE
PSMA Indigenous Areas (2016) MILDURA
PSMA Indigenous Locations (2016) MILDURA
PSMA Indigenous Regions (2016) VICTORIA EXC. MELBOURNE
PSMA Localities (2018) COLIGNAN
PSMA Remoteness Areas (2016) Outer Regional Australia
PSMA Section of State (2016) RURAL BALANCE
PSMA State Electoral Boundaries (2016) NORTHERN VICTORIA
PSMA State Electoral Boundaries (2018) MILDURA
PSMA States (2016) VICTORIA
PSMA Urban Centre and Locality (2016) REMAINDER OF STATE/TERRITORY (VIC.)
Statistical Local Areas Mildura (RC) - Pt B
World Country Boundaries Australia
Sensitive Data Layers
Fruit Fly Exclusion Zone - Tri State FFEZ
Geological Regions of Australia Murray Region
Surface Geology of Australia Qa
Physiographic Provinces of Australia Murray Lowlands Province
Physiographic Regions 2011 Mallee Dunefield
Australia's Indigenous forest estate (2013) v2.0 Non-Indigenous, Non forest
Forests of Australia (2013) v2.0 Non Forest
Forests of Australia 2018B Non forest
IGBP Land Cover vegetation classification scheme (2011) Croplands
Land cover Horticultural trees and shrubs
NVIS 4.1 Major Vegetation Groups Eucalypt Woodlands
NVIS 4.1 Major Vegetation Subgroups Eucalyptus woodlands with a chenopod or samphire understorey
Tenure of Australia's forests (2013) v2.0 Private Freehold
Vegetation - condition Replaced
Vegetation types - native Eucalypt open forests
Vegetation types - present Eucalyptus open forest

Environmental sampling for this location

Area Management
Natural resource management expenditure 9453095.0 $
Acacia – Miller et al 2012 - 0.5 degree 0.9406
Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 3.0021
Endemism 0.0035539903
Endemism (Non-marine) 0.003753571
Mammals – Fritz et al 2009 - 0.5 degree 0.3689
Migratory species (2008) 5.0 frequency
Occurrence Density 4433.0 frequency
Shannon Diversity (H) 5.4013042 index
Species Richness 547.0 frequency
Threatened communities (2008) 0.0 frequency
Threatened species (2008) 8.0 frequency
2030A1BMk35M: Aridity index - annual mean 0.17583428
2030A1BMk35M: Evaporation - month min 51.87 mm
2030A1BMk35M: Precipitation - annual mean 20.13 mm
2030A1BMk35M: Precipitation - driest month 10.65 mm
2030A1BMk35M: Precipitation - equinox seasonality ratio 1.3476471
2030A1BMk35M: Precipitation - spring or autumn season 0.3409616
2030A1BMk35M: Temperature - annual max mean 25.451668 degrees C
2030A1BMk35M: Temperature - annual min mean 11.131666 degrees C
2030A1BMk35M: Temperature - annual range 28.940002 degrees C
Aridity index - annual mean 0.24775414
Aridity index - month max 0.5682306
Aridity index - month min 0.07676331
Evaporation - annual mean 147.71999 (ml/5km x 5km pixel)
Evaporation - average 6725.0 ml
Evaporation - month max 273.5682 mm
Evaporation - month min 45.75607 mm
Evaporation - variability 22.0 %
Growth index C3 macrotherm plants - annual mean 0.04 index
Growth index C3 mesotherm plants - annual mean 0.13 index
Growth index C4 megatherm plants - annual mean 0.03 index
Humidity - annual mean relative 75.63059 %
Humidity - annual mean relative 3pm 59.31305 %
Humidity - month max relative 91.437744 %
Humidity - month max relative 3pm 74.951416 %
Humidity - month min relative 45.91439 %
Humidity - month min relative 3pm 45.91439 %
Precipitation - annual 291.0 mm
Precipitation - annual (Bio12) 278.0 mm
Precipitation - annual mean 24.536608 mm
Precipitation - annual seasonality -0.11742357
Precipitation - coldest quarter (Bio19) 82.0 mm
Precipitation - driest month 18.0 mm
Precipitation - driest period (Bio14) 2.0 mm
Precipitation - driest quarter (Bio17) 53.0 mm
Precipitation - equinox seasonality ratio 1.2191579
Precipitation - seasonality (Bio15) 24.0 mm
Precipitation - spring or autumn season 0.21590821
Precipitation - warmest quarter (Bio18) 58.0 mm
Precipitation - wettest month 32.0 mm
Precipitation - wettest period (Bio13) 8.0 mm
Precipitation - wettest quarter (Bio16) 86.0 mm
Radiation - annual mean (Bio20) 18.3 MJ/m2/day
Radiation - seasonality (Bio23) 39.0
Radiation - warmest quarter (Bio26) 26.2 MJ/m2/day
Temperature - annual max mean 23.393333 degrees C
Temperature - annual mean (Bio01) 17.1 degrees C
Temperature - annual min mean 9.523334 degrees C
Temperature - annual range 27.600006 degrees C
Temperature - annual range (Bio07) 29.1 degrees C
Temperature - coldest month min 3.79 degrees C
Temperature - coldest period min (Bio06) 3.9 degrees C
Temperature - coldest quarter mean (Bio11) 10.6 degrees C
Temperature - diurnal range mean (Bio02) 14.1 degrees C
Temperature - driest quarter mean (Bio09) 18.4 degrees C
Temperature - isothermality (Bio03) 0.49 %
Temperature - month hottest maximum 31.57 degrees C
Temperature - seasonality (Bio04) 1.78
Temperature - warmest month min 15.43 degrees C
Temperature - warmest period max (Bio05) 33.0 degrees C
Temperature - warmest quarter (Bio10) 23.8 degrees C
Temperature - wettest quarter mean (Bio08) 12.2 degrees C
Wind run - annual mean 218.66707 km/day
WorldClim: Precipitation - annual 318.0 mm
WorldClim: Precipitation - coldest quarter 86.0 mm
WorldClim: Precipitation - driest month 22.0 mm
WorldClim: Precipitation - driest quarter 66.0 mm
WorldClim: Precipitation - seasonality 15.0
WorldClim: Precipitation - warmest quarter 68.0 mm
WorldClim: Precipitation - wettest month 33.0 mm
WorldClim: Precipitation - wettest quarter 96.0 mm
WorldClim: Temperature - annual mean 169.0 degrees C * 10
WorldClim: Temperature - annual range 286.0 degrees C * 10
WorldClim: Temperature - coldest month min 39.0 degrees C * 10
WorldClim: Temperature - coldest quarter mean 103.0 degrees C * 10
WorldClim: Temperature - diurnal range mean 138.0 degrees C * 10
WorldClim: Temperature - driest quarter mean 206.0 degrees C * 10
WorldClim: Temperature - isothermality 48.0 %
WorldClim: Temperature - seasonality 5133.0 standard deviation (degrees C * 10) * 100
WorldClim: Temperature - warmest month max 325.0 degrees C * 10
WorldClim: Temperature - warmest quarter mean 235.0 degrees C * 10
WorldClim: Temperature - wettest quarter mean 137.0 degrees C * 10
Distance - to any water (weighted) 0.01 degrees
Distance - to coast 3.210763 km x 100
Distance - to non-permanent water (weighted) 0.12727922 degrees
Distance - to permanent water (weighted) 0.01 km
Euclidean Distance to Coast (metres) 243952.02 m
Remoteness index 4.8780103
Drainage - average 0.0 megalitres/5x5km/year
Drainage - variability 228.0 %
Runoff - average 26.0 megalitres/5x5km/year
Water Observations From Space 0.0 Percentage
Population - density SLA 2006 p/sqkm) 0.20516007 people/km^2
2030A1BMk35M: Water stress index - month max 39.494396
ASRIS 0-1m Plant Available Water Capacity (250m raster) 114.0 mm
ASRIS 0-30cm Bulk Density (250m raster) 1.27 Mg/m3
ASRIS 0-30cm Clay Content (250m raster) 52.0 %
Bulk density 1.4325069 Mg/m^3
Carbon - organic 1.3112583 %
Clay % 48.81426 %
Hydrologic conductivity - average saturated 2.3846154 mm/h
Moisture Index - annual mean (Bio28) 0.23
Moisture Index - highest quarter mean (Bio32) 0.45
Nutrient status 1.85 index
Ph - soil 7.0 ph
Soil depth 1.2 m
Soil pedality 3.7546608
Water holding capacity 25500.0 mm
Water stress index - month max 47.55907
Weathering Intensity V2 5.03893 Weathering Intensity Index
Aspect 104.0 degrees
Averaged Topographic Relief 15.083333 metres
Bathymetry and Elvation 9 sec 40.0 m
Elevation 39.0 m
Topographic Slope (degrees) 0.5299749 degrees
Topographic relief 12.78876 m
Topographic slope (%) 0.7073094 %
Enhanced Vegetation Index (2012-03-05) 0.2524 EVI
Fraction of Photosynthetically Active Radiation (fPAR) 47.0 %
Fractional Cover - Bare Soil (2012-03-05) 25.0 % Bare Soil
Fractional Cover - Non-persistent Vegetation (2012-03-05) 21.0 % Non-persistent Vegetation
Fractional Cover - Persistent Vegetation (2012-03-05) 54.0 % Persistent Vegetation
Gross Primary Productivity (2012-03-13) 0.016 kg C/m^2
Leaf Area Index (LAI) - 2012-03-05 1.1 m^2 plant / m^2 ground
NDVI Mean 48.0 NDVI x 100
NPP Mean 7.0 tonnes/ha/yr
Normalized Difference Vegetation Index (2012-03-05) 0.5316 NDVI