public read uid=supersite,o=unaffiliated,dc=ecoinformatics,dc=org all uid=cleverly,o=unaffiliated,dc=ecoinformatics,dc=org all Professor Derek Eamus University of Technology, Sydney

Terrestrial Ecohydrology Research Group, School of Life Sciences PO Box 123 Broadway NSW 2007 Australia

02 9514 4154 Derek.Eamus@uts.edu.au Dr James Cleverly University of Technology, Sydney

Terrestrial Ecohydrology Research Group, School of Life Sciences PO Box 123 Broadway NSW 2007 Australia

0430 379 817 James.Cleverly@uts.edu.au Leaf area index (LAI) can be defined as the total one-sided area of leaf tissue per unit area of ground and is a key derived parameter that is associated with water and light interception, radiation transfer, water and carbon exchange. Canopy cover can be defined as the fraction of ground shaded by the vertical projection of tree crowns. These measures may be used as proxies for actual canopy leaf area. Leaf area index is the preferred measure of cover for vegetation and is a key variable used in total biomass estimation and in carbon cycling prediction models. Indirect measures of LAI include digital photographic methods using flat or hemispherical images, referred to respectively as Digital Cover Photography (DCP) and Digital Hemispheric Photography (DHP). LAI measurements are carried out at each SuperSite using the most appropriate method for the vegetation type present. Digital Cover Photography (DCP) was carried out at the Alice Mulga SuperSite Core 1 ha on 10 April 2017. Digital Cover Photography (DCP) was carried out at the Alice Mulga SuperSite Ti Tree East plot on 8 April 2017. Leaf Area Index images are available for viewing and download from the TERN SuperSites BioImage Portal http://bioimages.supersites.net.au/data/lai/alic/default Alice Mulga SuperSite Core 1 ha Leaf Area Index Digital Canopy Photography 0501 0602 0607 anz-src CC-BY-4_0 All measurements were collected from within the Alice Springs Mulga SuperSite Core 1 ha 133.25 133.25 -22.28 -22.28 2017 1529361319506

LAI image collection was carried out generally as described in SuperSites Vegetation Monitoring Protocols, TERN Australian SuperSite Network, http://dx.doi.org/10.4227/05/56134C1310F16

DSLR camera, Canon EOS 1200D, Lens EF-S18-55mm/3.5-5.6 III, exposure -1, f5.6, 55 mm, ISO 100, images captured as Raw +/or Large JPG

Images were analysed with DCP-313 software written by Craig Macfarlane (CSIRO) to compute canopy LAI (MacFarlane et al. 2007. Estimation of leaf area index in eucalypt forest using digital photography. Agricultural and Forest Meteorology 143, 176–188). A single (blue) channel image is processed to create a grey-scale. Where RAW images are available, contrast stretching of the blue channel is achieved using the RAW2JPG MATLAB script before saving in JPG format prior to analysis (Macfarlane et al., 2014 Digital canopy photography: Exposed and in the raw. Agricultural and Forest Meteorology 197, 244‐253). Both DCP-313 and RAW2JPG executables are available from http://www.tern‐supersites.net.au/index.php/publications‐and‐resources/resources-for-supersiteusers

alic_lai_core_1_ha_plot_20170410_MK.csv LAI Data, Alice Mulga SuperSite, Core 1 ha, April 2017 alic_lai_core_1_ha_plot_20170410_MK.csv 7999 1 #x0A column , ecogrid://knb/supersite.1018.1 cn=allusers,o=unaffiliated,dc=ecoinformatics,dc=org read uid=supersite,o=unaffiliated,dc=ecoinformatics,dc=org all uid=cleverly,o=unaffiliated,dc=ecoinformatics,dc=org all Filename Photo filename filename Channel Colour channel of RGB image analysed channel Blue sky Blue sky Yes/No %Mixed % Mixed Percentage natural Lower Maximum Lower Maximum number natural Lower Corner Lower Corner number natural Low Thd Low Thd number natural Mid Thd Mid Thd number natural Min Thd Min Thd number natural High Thd High Thd number natural Upper Corner Upper Corner number natural Upper Maximum Upper Maximum number natural GF Gap Fraction number natural FC Foliage Cover number natural CC Fraction of Crown Cover number natural CP Fraction of Crown Porosity number natural LAI Leaf Area Index number natural Warnings warnings warnings 73 alic_lai_ti_tree_east_plot_20170408_MK.csv LAI Data, Alice Mulga SuperSite, Ti Tree East, April 2017 alic_lai_ti_tree_east_plot_20170408_MK.csv 4895 1 #x0A column , ecogrid://knb/supersite.1019.1 cn=allusers,o=unaffiliated,dc=ecoinformatics,dc=org read uid=supersite,o=unaffiliated,dc=ecoinformatics,dc=org all uid=cleverly,o=unaffiliated,dc=ecoinformatics,dc=org all Filename Photo filename filename Channel Colour channel of RGB image analysed channel Blue sky Blue sky Yes/No %Mixed %Mixed Percentage natural Lower Maximum Lower Maximum number natural Lower Corner Lower Corner number natural Low Thd Low Thd number natural Mid Thd Mid Thd number natural Min Thd Min Thd number natural High Thd High Thd number natural Upper Corner Upper Corner number natural Upper Maximum Upper Maximum number natural GF Gap fraction number natural FC Foliage cover number natural CC Fraction of crown cover number natural CP Fraction of cover porosity number natural LAI Leaf aea index number natural Warnings Warnings Warnings 67 per cent