Christmas Island Foliage Density Model – 2011

A 2m by 2m foliage density model grid developed from the 2011 aerial LiDAR survey of Christmas Island. As with the 2011 DEM, the canopy density data was provided to Geoscience Australia in 1km by 1km ESRI grid tiles, which were then joined together using ESRI ArcMap.

vegetation density values have been used in other organisations to create vegetation maps, estimate carbon content, characterise species habitats and assist in decision making.

Tests using the foliage density model have shown that the data is only a good representation of density for approximately the top 2m of canopy. It was not able to be used to distinguish clearly between areas of dense varied vegetation and less dense areas adjacent.

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