NATIONAL WILDERNESS RED INDEX

Published by the Colong Foundation for Wilderness Ltd. 30/09/94
Level 2, 332 Pitt Street, Sydney, NSW, 2000.
Ph (02) 9261 2400; Fax (02) 9261 2144.

Name:

BLADENSBURG

Nominated by:

Not recorded

Location:

Not recorded

Size
For size and tenure information contact the Colong Foundation.

DESCRIPTION

The area has, as its basis, the Forsyth Range - a chain of Cretaceous,
sedimentary hills forming the divide between the Diamantina and Thomson Rivers,
south of Winton. The country alternates between the dissected residuals of a
former laeritized Tertiary land surface of which the Forsyth Range is comprised,
and the grey and brown cracking clay downs and plains of the valley floors. [1]

Mistake Creek drains the northwestern corner of the area and flows to the
Western River, a tributary of the Diamantina. Other major streams, including
Maneroo Creek and Vergemont Creek drain the area to the east and south and form
tributaries of the Thomson River. [2]

The lateritic uplands are extremely poor, infertile and poorly drained and
therefore have escaped past land use. The tops of the plateaux and residuals
support Acacia aneura low open woodlands with mixed acacia, cassia, eremophila,
dodonaea and myoporum shrubs, over predominantly aristida grasses, while the
retreating low scarps are fringed with lancewood (Acacia shirlyii). hese grade
downslope and give way to gidgee (Acacia cambagii) grassy woodlands and astrebla
tussock grasslands which occupy the cracking clay soil plains of the lowlands.
Scree slopes between the laterite uplands and the gidgee plains support triodia
hummock grasslands while ares of cracking clays with better moisture retention
support Coolibah (E. microtheca) grassy open woodlands. Drainage fringe
communities alternate between Coolibah and River Redgum (E. camaldulensis). [3]

STATE FORESTS

ENDANGERED SPECIES

LAND USE HISTORY


The area lies just westward of the 15 inch (380mm) rainfall isohyet and though
summer temperatures are hot and the climate arid, the lowland mitchell grass
plains provide good grazing in favourable seasons. Some sectors have been
subjected to overuse in the past. Lighter stocking in more recent times has
allowed the country to recover to its present good condition. [4]

CONSERVATION HISTORY

THREATS

CONTACTS

No contacts are recorded from that area.
ENDNOTES
1
Prineas, P., Lembit, R., Fisher, N., 1986, "Australia's Wilderness An
Inventory".

2
Prineas, 1986.

3
Prineas, 1986.

4
Prineas, 1986.

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