Territory Stories

Bioregions of the nt



Bioregions of the nt


Kerle, J. A.


E-Publications; E-Books; PublicationNT; 176




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Technical Report LRD94100 Viewed at 07:02:32 on 18/02/2010 Page 229 of 275. .,.,---._-_.,--". _._-_.-_._-_ .. -,. __ . Associated Vegetation type: Eucalyptus camaldulensis (community 44). Eucalyptus papuana (community 10,11,28). SPARSE LOW OPEN-WOODLAND Community 66 Eucalyptus brevifolia, E.tenninalis low open-woodland with Triodia pungens hummock grassland. Structural formula(Specht):L1 H2 Eucalyptus brevifolia (100%) dominates the woodland with E.terminalis (75%) as either codominate or subdominate in the upper stratum. The middle layer is absent or consists of a sparse shrubland. Triodia pungens (50%) dominates the hummock grassland. Various other Triodia species occur. Other common Species in Decreasing % Frequency: Middle stratum-25%: Acacia tumida, Cochlospermum fraseri, Eucalyptus brevifolia. Lower stratum: shrubs-25%: Acacia laccata, Carissa lanceolata, Grewia orbifolia, Terminalia canescens. lorbs-50%: Corchorus sidoides, 25%: Cajanus cinereus, Cleome viscosa. graminoids-25%: Plectrachne pungens, Triodia microstachya, Triodia sp., Dichanthium sericeum, Eragrostis desertorum. Number of Samples: 4 Land Unit: 31 41 5b Geology: Pio Pig Pim Mean Structural Formation Strata Mode Mean Mean Lifeform cover height (%CC) (m) Upper tree- 5(2-15) 5.5(4-7) Middle shrub 1.0(0-2) 0.5(0-1) Ground grass 34(26-40) 0.5 Distribution and habitat notes: This community occurs on low hills and rises. The soils are gravelly lithosols with 10% rock outcrop. Associated Vegetation type: This community is commonly associated with Eucalyptus pruinosa open-woodland (community 58) found on the sideslopes. GRASS LANDS Community 67 Chrysopogon fa/lax tall grassland. Structural formula(Specht): G3 79

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