Approx. Pasture Unit area Landforms Soils Vegetation type+ (%) Trees absent or deciduous, sparse low woodlands with upland tall grass (Triodia cunninghamii, T. bitextura, Sorghum CAHP australiense), or 60% Rugged snappy gum sparse Mostly boulders HSHP 1 70 bouldery low woodland of granite. 20% hills (Eucalyptus brevifolia) XXNP over hard spinifex 20% (Triodia inutilis) or upland tall grass (Sorghum australiense, T. bitextura, Eriachne obtusa). Pago - very Snappy gum sparse gritty yellow low woodland Moderate 2 20 sands, with (E. brevifolia) with HSHP slopes boulders of hard spinifex (Triodia granite. inutilis). Narrow Hooper -shallow Trees absent with depressions sand or sandy Marrakai mid-height 3 5 or flats OTHP loam over tough grass (Eriachne spp., adjacent to clay. Themeda triandra). streamlines Steam 4 5 Fringing communities. FRIP channels Image of a Pompey panorama Photo: Noel Schoknecht, DAFWA Precipice land system (Pre)*, size: 7530km2, publication source: WKY * Precipice land system is essentially equivalent to Buldiva (NKY), Pinkerton (OVC) and Wickham (OVC) land systems. The different names are a result of surveys being undertaken at different times combined with rainfall differences which are reflected in the vegetation. Rocky mountainous sandstone country with narrow or restricted basalt valleys, low open woodlands with curly spinifex. Location map showing coverage of Precipice land system defined by black region.
Unit Approx. area (%) Landforms Soils Vegetation Pasture type+ 1 70 Rugged bouldery hills Mostly boulders of granite. Trees absent or deciduous, sparse low woodlands with upland tall grass (Triodia cunninghamii, T. bitextura, Sorghum australiense), or snappy gum sparse low woodland (Eucalyptus brevifolia) over hard spinifex (Triodia inutilis) or upland tall grass (Sorghum australiense, T. bitextura, Eriachne obtusa). CAHP 60% HSHP 20% XXNP 20% 2 20 Moderate slopes Pago - very gritty yellow sands, with boulders of granite. Snappy gum sparse low woodland (E. brevifolia) with hard spinifex (Triodia inutilis). HSHP 3 5 Narrow depressions or flats adjacent to streamlines Hooper -shallow sand or sandy loam over tough clay. Trees absent with Marrakai mid-height grass (Eriachne spp., Themeda triandra). OTHP 4 5 Steam channels Fringing communities. FRIP Image of a Pompey panorama Photo: Noel Schoknecht, DAFWA Precipice land system (Pre)*, size: 7530km2, publication source: WKY * Precipice land system is essentially equivalent to Buldiva (NKY), Pinkerton (OVC) and Wickham (OVC) land systems. The different names are a result of surveys being undertaken at different times combined with rainfall differences which are reflected in the vegetation. Rocky mountainous sandstone country with narrow or restricted basalt valleys, low open woodlands with curly spinifex. Location map showing coverage of Precipice land system defined by black region.