Territory Stories

Vegetation and land unit survey of Gregory National Park, Northern Territory (N.T.)



Vegetation and land unit survey of Gregory National Park, Northern Territory (N.T.)

Other title

P. Brocklehurst, P. Rampant, D. Van Kerckhof and B. Edmeades


Brocklehurst, Peter S; Northern Territory. Dept. Of Lands, Planning And Environment. Resource Capability Assessment Branch; Rampant, P.; Van Kerckhof, D.; Edmeades, B.


E-Publications; E-Books; PublicationNT; Technical report / Resource Capability Assessment Branch, Department of Lands, Planning & Environment ; no. 31/1996




Made available via the Publications (Legal Deposit) Act 2004 (NT).






Surveying -- Northern Territory -- Gregory National Park; Vegetation surveys -- Northern Territory -- Gregory National Park

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Dept. of Lands, Planning and Environment

Place of publication



Technical report / Resource Capability Assessment Branch, Department of Lands, Planning & Environment ; no. 31/1996


1 v. (various pagings) : col. ill., maps (some folded) ; 30 cm.

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Check within Publication or with content Publisher.

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Community 33 Eucalyptus tectifica and Adansonia gregorii mid-high open-woodland with Aristida hygrometrica closed tussock grassland. Structural formula(Specht): M1/S1 G4 The upper layer of this community is dominated by Eucalyptus tectifica (83%) in association with Adansonia gregorii (83%). Other species which may occur include Eucalyptus pruinosa, Lysiphyllum cunninghamii (83%) and Gyrocarpus americanus (50%).The mid layer is a tall sparseshrubland consisting of shrubs and low trees. Species which may occur in the mid layer include. Ampelocissus frutescens (83%), Grewia retusifolia (50%) and Dolichandrone heterophylla (66%). The ground layer is aAristida hygrometrica closed grassland (100%). Plectrachne pungens (66%) is also common. Other common Species in Decreasing % Frequency: Upper stratum-50%: Brachychiton diversifo/ius, 16%: Eucalyptus confertiflora, E. grandifo/ia, E. papuana. Middle stratum-33%: Grevillea dimidiata, 16%: Acacia pachyacra, Atalaya variifolia, Carissa lanceolata, Gardenia sp .. Lower stratum: shrubs-16%: Abutilon andrewsianum, Acacia hemignosta, Cajanus acutifolius, Corchorus sidoides, Dodonaea physocarpa, Terminalia canescens, Triumfetta plumigera, Waltheria indica, Wrightia sa/igna. forbs-16%: Buchnera Iinearis, Cajanus scarabaeoides, Commelina ensifolia, Crotalaria retusa, Euphorbia schultzii, Galactia sp., Glycine tomentella, Gomphrena brachystylis, Goodenia sepalosa, Ipomoea eriocarpa, Ipomoea sp., Marsdenia australis, Marsdenia viridiffora, Melhania oblongifolia, Phyllanthus trachygyne, Polycarpaea violacea, Portulaca pi/osa, Ptilotus schwartzii, Rhynchosia minima. graminoids-66%:Chrysopogon fal/ax, Heteropogon contortus, 33%: Aristida holathera, Aristida sp., Enneapogon polyphyl/us, Eriachne ciliata, E. obtusa, Sehima nervosu~orghum plumosum, S. stipoideum. Number of Samples: 5 Landunit/s: 6a27a Geology: QaCzs Mean Structural Formation Strata Mode Mean Mean Lifeform cover height (%CC) (m) Upper tree 8(3-15) 10.3(7-14) Mid low tree 4.5(1-10) 2.9(1-6) (shrub) Ground grass 72(55-85) 0.8(0.5-1.5) (forb) 45

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