Territory Stories

Plant species and sites of botanical significance in the southern bioregions of the Northern Territory

Details:

Title

Plant species and sites of botanical significance in the southern bioregions of the Northern Territory

Other title

Matthew White ... [et al.]

Creator

White, Matthew; Albrecht, David; Duguid, Angus W.; Latz, Peter; Hamilton, Mary

Collection

E-Publications; PublicationNT; E-Books

Date

2000-12-00

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).; This report provides a benchmark for the conservation status of botanical values in the southern, predominantly arid part of the Northern Territory. It will have many and varied uses, providing information about conservation values to land holders and managers as well as government departments and conservation groups.

Table of contents

Volume 1 : Significant vascular plants -- Volume 2 : Significant sites

Language

English

Subject

Plants -- Northern Territory -- Alice Springs Region; Northern Territory -- Alice Springs Region

Publisher name

Arid Lands Environment Centre

Place of publication

Alice Springs (N.T.)

Format

2 v. : maps ; 30 cm.

File type

application/pdf.

ISBN

0724527842 (v. 1); 0724527850 (v. 2)

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/243744

Citation address

https://hdl.handle.net/10070/601270

Related items

https://hdl.handle.net/10070/601264; https://hdl.handle.net/10070/601266; https://hdl.handle.net/10070/601268

Page content

Volume 2, Part 2, page 138 Great Sandy Desert 6.2 SITES OF NATIONAL SIGNIFICANCE IN THE NT PORTION OF THE GREAT SANDY DESERT BIOREGION Site: 22-3-2 Lake Lewis Level of significance: national Location: 22 49' S 132 24' E; ca. 90 km south east of Yuendumu. Area: 1326 km2 Map sheets: Napperby SF 53-9 & Hermannsburg SF 53-13 Bioregion: Great Sandy Desert (GSD) Tenure: Crown Freehold (31% of site), Pastoral Lease - Napperby Station (63% of site), Derwent Station (2% of site) Description: This site is bounded in the south by the 'shoreline' of Lake Lewis and associated saline lakes. To the north, the boundary of the site extends out onto the alluvial plains to the north of the Stuart Bluff Range. Here there are numerous claypans and mineralised discharge areas. There are also what appear to be extinct mound springs in this area. Notes: The botanical values are focused on the wetlands and low-lying areas of the site. The highly disjunct occurrence of Swainsona laciniata at this site is of particular importance. This is also the only known occurrence of this rare species in the NT. The site includes the type locations for Triodia spicata, Eragrostis subtilis, Synaptantha tillaeacea var. hispidula, Centrolepis banksii, Schoenus centralis and Sclerolaena urceolata. Criteria satisfied: A1 a i), A1 b i), B1 b1 i), C1 b i) Taxa of Australian significance: Daviesia eremaea {3K [N]}, Eragrostis subtilis {3K [SW] only known in GSD from this site}, Schoenus centralis {3K only known in GSD from this site}, Stylidium inaequipetalum {3RCa}, Swainsona laciniata {3K [NE] only known in NT from this site} Taxa of NT significance: Halosarcia halocnemoides subsp. tenuis {3k}, Lawrencia squamata {3k}, Paractaenum novaehollandiae subsp. reversum {3kC-}, Streptoglossa cylindriceps {3kC-}, Swainsona cyclocarpa {3k} Taxa of Southern NT (study area) significance: Fimbristylis nuda {(disjunct & apparently rare) only known in GSD from this site}, Sporobolus virginicus {(disjunct)} Taxa of bioregional significance: Brachyachne convergens {GSD (disjunct) only known in GSD from this site}, Eleocharis atropurpurea {GSD (disjunct and apparently rare) only known in GSD from this site}, Eremophila glabra subsp. glabra {GSD (northern range limit) [N]}, Goodenia maideniana {GSD (disjunct)}, Grevillea eriostachya {GSD (eastern range limit) [E]}, Swainsona rostrata {GSD (northern and western range limits) [NW] only known in GSD from this site}, Swainsona tanamiensis {GSD (disjunct and eastern range limit) [E]}, Trema tomentosa var. viridis {GSD (disjunct)} Other taxa only known in GSD bioregion (NT portion) from this site: Centrolepis banksii, Cressa cretica, Cyperus concinnus, Eragrostis basedowii, Euphorbia biconvexa, Goodenia fascicularis, Heliotropium curassavicum, Heteropogon contortus, Polycarpaea breviflora, Polycarpaea spirostylis, Schizachyrium fragile, Schoenoplectus dissachanthus, Schoenoplectus litoralis, Sphaeromorphaea australis, Stemodia florulenta, Tephrosia D53770 OT Station, Velleia connata Type locations of the following were collected from the site: Eragrostis subtilis (1972), Schoenus centralis (1975), Sclerolaena urceolata (1954), Synaptantha tillaeacea var. hispidula (1972) Vegetation Map Units (mapped as occurring at the site on the 1:1000,000 NT Vegetation Survey Map): Map unit 71 (22 %): Acacia aneura (Mulga) tall sparse-shrubland with grassland understorey. Map unit 93 (1 %): Triodia basedowii (Hard Spinifex) hummock grassland with Allocasuarina decaisneana (Desert Oak) openwoodland overstorey between dunes. Map unit 112 (29 %): Bare salt pan. Map unit 27 (3 %): Eucalyptus microtheca s. lat. (Coolibah) low open-woodland with open-grassland understorey. Map unit 58 (1 < %): Acacia aneura (Mulga)/mixed species low open-woodland with open-grassland understorey. Map unit 78 (6 %): Triodia spicata (Spike-flowered Spinifex) hummock grassland with Grevillea wickhamii (Holly Grevillea), Acacia sparse-shrubland overstorey. Map unit 52 (20 %): Melaleuca glomerata (Inland Teatree) open-shrubland. Map unit 65 (9 %): Acacia aneura (Mulga) tall open-shrubland with Eragrostis eriopoda (Woolybutt) open-grassland understorey. Map unit 81 (6 %): Triodia basedowii (Hard Spinifex) hummock grassland with Acacia tall sparse-shrubland overstorey.


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