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 236 Mitchell Grass Downs Site: 20-6-1 Georgina River Level of significance: bioregional Location: 20 25' S 137 55' E; Adjacent to the Queensland and Northern Territory border between the Barkly and Sandover Highways. Area: 532 km2 Map sheets: Avon Downs SF 53-4 & Sandover River SF 53-8 Bioregion: Mitchell Grass Downs (MGD) Tenure: Pastoral Lease - Lake Nash Station (39% of site), Austral Downs Station (54% of site) and Burramurra Station (4% of site) Description: The site includes the corridor of the Georgina River and also the low dolomite and limestone hills around Lake Nash Homestead. It also includes a large bluebush (Chenopodium auricomum) swamp, which lies to the east of Monkey Point Waterhole. Notes: The botanical values of this site are focused on the wetlands and 'in-stream' waterholes along the Georgina River. Criteria satisfied: A1 b ii), B1 b1 ii) Taxa of Australian significance: Ixiochlamys integerrima {3K} Taxa of NT significance: Acacia chisholmii {3r (border) only known in study area from this site}, Astrebla lappacea {3k}, Commelina tricarinata {3k}, Corchorus pascuorum {3k}, Haloragis glauca forma glauca {3k}, Iotasperma sessilifolia {3k}, Iseilema calvum {3k}, Mentha australis {3r (border) only known in MGD from this site}, Pennisetum basedowii {3k (border)}, Polymeria calycina {3k (border) only known in study area from this site}, Portulaca digyna {3r}, Sarcostemma brevipedicellatum {3k (border) only known in MGD from this site}, Sida laevis {3kC-} Taxa of Southern NT (study area) significance: Hibiscus pentaphyllus {(apparently rare) only known in study area from this site} Taxa of bioregional significance: Angianthus cyathifer {MGD (disjunct and eastern range limit) [E] only known in MGD from this site}, Corymbia deserticola subsp. mesogeotica {MGD (eastern range limit) [E] only known in MGD from this site}, Lysiphyllum cunninghamii {MGD (southern range limit) [S]} Other taxa only known in MGD bioregion (NT portion) from this site: Anemocarpa saxatilis, Enneapogon oblongus, Sehima nervosum, Triodia longiceps Botanically Significant Waterholes at the site: Lake Nash Waterhole Vegetation Map Units (mapped as occurring at the site on the 1:1000,000 NT Vegetation Survey Map): Map unit 28 (3 %): Eucalyptus microtheca s. lat. (Coolibah) low open-woodland with Chenopodium auricomum (Bluebush) sparse-shrubland understorey. Map unit 96 (60 %): Astrebla pectinata (Barley Mitchell grass) grassland. Map unit 62 (36 %): Acacia georginae (Gidyea) low open-woodland with Astrebla pectinata (Bull Mitchell Grass) open-grassland understorey.


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