Data

Ground Cover Reference Sites Database of Victoria

Name: Ground Cover Reference Sites Database of Victoria
Published: 2012

Terrestrial Ecosystem Research Network

Australian Bureau of Agricultural and Resource Economics and Sciences, Australian Government

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/744686d8-4586-5416-9a27-5e0f7d09fbf4&rft.title=Ground Cover Reference Sites Database of Victoria&rft.identifier=http://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/744686d8-4586-5416-9a27-5e0f7d09fbf4&rft.publisher=Terrestrial Ecosystem Research Network&rft.description=The Ground Cover Reference Sites Database of Victoria has been collected by Department of Primary Industries, Victoria as part of the Ground Cover Monitoring for Australia project. The data is being used to calibrate, validate and improve vegetation fractional cover products derived from remote sensing, in particular the satellite sensors MODIS and Landsat. The data is being used to improve the national fractional vegetation cover product of Guerschman et al. (2009) derived from the Moderate Resolution Imaging Spectroradiometer (MODIS). This algorithm enables national, monthly identification of ground cover separating the photosynthetic and non-photosynthetic components by applying a linear unmixing methodology for spectral reflectance every 8 days as 16-day composites. For confidence in its ground cover estimates, the results were verified in the field at selected sites across Australia to allow more extensive calibration, validation and verification of accuracy of the remote sensing method. The Ground Cover Reference Sites Database represents the results of the field validation of remotely determined cover measurements by observing cover along point intersects with a total of 300 points (or 200 points with crops). It also has additional observations and measures such as landscape features, fire evidence, erosion evidence, biotic disturbance evidence, biomass estimates, basal area measurements, soil features and dominant vegetation species, as well as site photographs. The Ground Cover Reference Sites Database focuses on sites in extensive grazing systems of the rangelands and, to a lesser extent, in the mixed farming or intensive land use zone. Field validation aims at obtaining a wide spatial coverage of sites, with limited site revisits for temporal coverage.&rft.creator=Australian Bureau of Agricultural and Resource Economics and Sciences, Australian Government &rft.date=2012&rft.edition=9/2014&rft.relation=http://aekos.org.au/collection/gov.au/abares/gcrs_VIC&rft.coverage=Survey of the Ground Cover Reference Sites Database of Victoria area.&rft.coverage=northlimit=-34.3393172427726; southlimit=-36.9147462727152; westlimit=141.327351740463; eastLimit=144.131459033041; projection=EPSG:3577&rft_rights=Creative Commons Attribution 4.0 International&rft_rights=No limitations to public access&rft_rights=These data can be freely downloaded via the TERN AEKOS and used subject to the null licence. Attribution and citation is required as described under Licence and Citation. We ask you to send citations of publications arising from work that use these data to [email protected] and citation and copies of publications to land_management@agriculture.gov.au.&rft_subject=Geology&rft_subject=Disturbance&rft_subject=Species Presence/Abundance&rft_subject=Chenopodium pumilio&rft_subject=Avena sativa&rft_subject=Stipa sp.&rft_subject=Vegetation Cover&rft_subject=Land Use&rft_subject=Vegetation Structure&rft_subject=Danthonia sp.&rft_subject=Medicago sativa&rft_subject=Cryptogamae sp.&rft_subject=Landscape&rft_subject=Heliotropium sp.&rft_subject=Eucalyptus leucoxylon&rft_subject=Eucalyptus microcarpa&rft_subject=Soil&rft_subject=Flora&rft_subject=Erosion&rft_subject=Cucumis myriocarpus&rft_subject=Triticum sp.&rft_subject=Hordeum vulgare&rft_subject=Acacia pycnantha&rft_subject=Lolium sp.&rft_subject=Cenchrus longispinus&rft_subject=Medicago sp.&rft_subject=Land Cover&rft_subject=Brassica napus&rft_subject=Acacia genistifolia&rft_subject=Lithology&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ECOLOGY&rft_subject=BIOLOGICAL SCIENCES&rft_subject=Environmental management&rft_subject=Advanced Ecological Knowledge and Observation System&rft_subject=Site Survey&rft.type=dataset&rft.language=English Access the data

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Creative Commons Attribution 4.0 International

No limitations to public access

These data can be freely downloaded via the TERN AEKOS and used subject to the null licence. Attribution and citation is required as described under Licence and Citation. We ask you to send citations of publications arising from work that use these data to [email protected] and citation and copies of publications to [email protected].

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Contact Information

Street Address:
Terrestrial Ecosystem Research Network
80 Meiers Road, Indooroopilly, Queensland, 4068, Australia
Queensland 4068
Australia
Ph: +61 7 3365 9097

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Brief description

The Ground Cover Reference Sites Database of Victoria has been collected by Department of Primary Industries, Victoria as part of the Ground Cover Monitoring for Australia project. The data is being used to calibrate, validate and improve vegetation fractional cover products derived from remote sensing, in particular the satellite sensors MODIS and Landsat. The data is being used to improve the national fractional vegetation cover product of Guerschman et al. (2009) derived from the Moderate Resolution Imaging Spectroradiometer (MODIS). This algorithm enables national, monthly identification of ground cover separating the photosynthetic and non-photosynthetic components by applying a linear unmixing methodology for spectral reflectance every 8 days as 16-day composites. For confidence in its ground cover estimates, the results were verified in the field at selected sites across Australia to allow more extensive calibration, validation and verification of accuracy of the remote sensing method. The Ground Cover Reference Sites Database represents the results of the field validation of remotely determined cover measurements by observing cover along point intersects with a total of 300 points (or 200 points with crops). It also has additional observations and measures such as landscape features, fire evidence, erosion evidence, biotic disturbance evidence, biomass estimates, basal area measurements, soil features and dominant vegetation species, as well as site photographs. The Ground Cover Reference Sites Database focuses on sites in extensive grazing systems of the rangelands and, to a lesser extent, in the mixed farming or intensive land use zone. Field validation aims at obtaining a wide spatial coverage of sites, with limited site revisits for temporal coverage.

Notes

Credit

Issued: 2012-01-01

Modified: 2012-01-01

Data time period: 2011-03-28 to 2014-05-02

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text: Survey of the Ground Cover Reference Sites Database of Victoria area.

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global : 744686d8-4586-5416-9a27-5e0f7d09fbf4