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 298 Tanami Site: 20-1-4 Mongrel Downs Level of significance: bioregional Location: 20 31' S 129 14' E; Central Tanami Desert abutting the Western Australian border. Area: 758 km2 Map sheet: The Granites SF 52-03 Bioregion: Tanami (TAN) Tenure: Freehold - Mangkururrpa Aboriginal Land Trust (100% of site) Description: Site is centred on an outlier of clay soil in the Tanami desert, which supports extensive grasslands dominated by Eragrostis xerophila and Astrebla pectinata. The site also incorporates a paleodrainage system which extends to the north east and includes several large wetlands (Lake Sarah, Lake Alec and Bullocks Head Lake) and the series of laterite capped rises known as the Pedestal Hills. Notes: This site supports a number of interesting range disjunctions of species restricted to heavy soils. It is the only known location for an undescribed Ptilotus taxon. This site also includes the type location for Acacia pachycarpa. Criteria satisfied: A1 a ii), A1 b ii), B1 b1 ii) Taxa of Australian significance: none Taxa of NT significance: Cleome oxalidea {3r}, Peplidium A88036 Tanami {3k} Taxa of Southern NT (study area) significance: none Taxa of bioregional significance: Erodium cygnorum subsp. cygnorum {TAN (disjunct and northern range limit) [N] only known in TAN from this site}, Sclerolaena patenticuspis {TAN (disjunct and northern range limit) [N] only known in TAN from this site}, Swainsona burkei {TAN (western range limit) [W]}, Triglochin hexagonum {TAN (disjunct)} Other taxa only known in TAN bioregion (NT portion) from this site: Maireana integra, Sesbania cannabina var. sericea {only known in study area from this site} Type locations of the following were collected from the site: Acacia pachycarpa (1971) Vegetation Map Units (mapped as occurring at the site on the 1:1000,000 NT Vegetation Survey Map): Map unit 100 (68 %): Eragrostis xerophila (Neverfail) open-grassland with scattered trees and shrubs. Map unit 111 (3 %): Halosarcia (Samphire) low open-shrubland fringing bare salt pans. Map unit 76 (20 %): Triodia pungens (Soft Spinifex), Triodia schinzii (Feathertop Spinifex) hummock grassland with Acacia tall sparse-shrubland overstorey. Map unit 86 (8 %): Triodia pungens (Soft Spinifex) or Triodia basedowii (Hard Spinifex) hummock grassland with Acacia tall sparse-shrubland overstorey between dunes.


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