Indicators of Catchment Condition in the Intensive Land Use Zone of Australia – Weed Density
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\n\nA\n\nIt should be noted that this data is now somwhat dated! Grid weed coverage\nspecies from States with 4 classes (present{2}, low{1}, med{2}, high{3}) plus\nno data.\n\n relative density rating derived by multiplying the percent of the total\nnumber of species in each density class by the density weight (in {} ) and\nsumming them.\n\nPolygons ->250m grid; resampled (mean) to 5km cell.\n\nData: Weeds of National Significance ( NLWR / Thorn and Lynch, 2000, The\ndetermination of weeds of national significance, 1:12.5m and 1:50m)\n\nData are available as:\n\n * continental maps at 5km (0.05 deg) cell resolution for the ILZ;\n * spatial averages over CRES defined catchments (CRES, 2000) in the ILZ;\n * spatial averages over the AWRC river basins in the ILZ.\n\nSee [further metadata](http://data.daff.gov.au/anrdl/metadata_files/pa_iccilr9ab\n__05121axx.xml) for more detail.\n\n
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