lost. System is relatively resilient but control of grazing pressure and frequency of burning is desirable. Image of Spinifex and termite mounds characteristic of many land systems in the – Kimberley in this instance on unit 1 of the Ruby 2 land system. Photo: David – Hadden, DAFWA Stylised block diagram showing location of land units for the Ruby 2 land system (numbers on diagram represent land units in table below) Table of Ruby 2 land system land units. *Numbers in brackets refer to soil family or – vegetation community/alliance in on lands of the West Kimberley ‘General report area, (Speck et al. 1970); + Pasture types described in Appendix 1; Note: WA’ Proportions and occurrence of pasture types within land units are subject to change over time due to invasion by native and introduced species, seasonal conditions, fire frequency and grazing management. Approx. Pasture Unit area Landforms Soils* Vegetation* type+ (%) Summit up to remnants: 6.4km wide, with slopes mainly Reddish sandy less than 1% but Probably woodland to loamy soils attaining 5% with patches of of variable locally, and with dense Acacia shrubs HSPP depth, marginal and Triodia 70% 1 52 commonly breakaways up intermedia and CSPP high in laterite to 9m high; Triodia bitextura. 30% gravels: sandy surfaces Eucalyptus brevifolia Tippera family with pebble alliance (1a, or 1d). (2). patches and laterite exposures locally. Much bare ground, Lower slopes: Reddish, sparse cover of concave, up to loamy and short annual grasses 5%, and up to 1 clayey skeletal with patches of ASGP mile long; locally soils with Chrysopogon spp. 40% dissected up to laterite gravels and Triodia HSPP 6m into rounded and some 2 19 intermedia. Probably 30% spurs up to 275m outcrop (24). E. brevifolia and RGRP wide, with Local minor Corymbia 30% marginal slopes occurrences of dichromophloia up to 10%; brownish alliances (1a, 2, 8d, colluvial mantles sands and 12) and 57. and local loams over red
lost. System is relatively resilient but control of grazing pressure and frequency of burning is desirable. Image of Spinifex and termite mounds – characteristic of many land systems in the Kimberley – in this instance on unit 1 of the Ruby 2 land system. Photo: David Hadden, DAFWA Stylised block diagram showing location of land units for the Ruby 2 land system (numbers on diagram represent land units in table below) Table of Ruby 2 land system – land units. *Numbers in brackets refer to soil family or vegetation community/alliance in ‘General report on lands of the West Kimberley area, WA’ (Speck et al. 1970); + Pasture types described in Appendix 1; Note: Proportions and occurrence of pasture types within land units are subject to change over time due to invasion by native and introduced species, seasonal conditions, fire frequency and grazing management. Unit Approx. area (%) Landforms Soils* Vegetation* Pasture type+ 1 52 Summit remnants: up to 6.4km wide, with slopes mainly less than 1% but attaining 5% locally, and with marginal breakaways up to 9m high; sandy surfaces with pebble patches and laterite exposures locally. Reddish sandy to loamy soils of variable depth, commonly high in laterite gravels: Tippera family (2). Probably woodland with patches of dense Acacia shrubs and Triodia intermedia and Triodia bitextura. Eucalyptus brevifolia alliance (1a, or 1d). HSPP 70% CSPP 30% 2 19 Lower slopes: concave, up to 5%, and up to 1 mile long; locally dissected up to 6m into rounded spurs up to 275m wide, with marginal slopes up to 10%; colluvial mantles and local Reddish, loamy and clayey skeletal soils with laterite gravels and some outcrop (24). Local minor occurrences of brownish sands and loams over red Much bare ground, sparse cover of short annual grasses with patches of Chrysopogon spp. and Triodia intermedia. Probably E. brevifolia and Corymbia dichromophloia alliances (1a, 2, 8d, 12) and 57. ASGP 40% HSPP 30% RGRP 30%