Shire of Dalwallinu
|Area||~7,236 square kilometres, located ~250 km north of Perth.|
|Towns||Buntine, Dalwallinu, Kalannie, Pithara and Wubin|
|Average Temperature||Mean daily maximum temperature over 30 years 1990 – 2019 35.3°C (Jan) and 16.9°C (Jul).|
|Annual Rainfall||Average annual rainfall over 30 years 1990 – 2019 288 mm (BoM 2020).|
|ABS Profile||Dalwallinu ABS profile|
Around 1,400 people live in the Shire of Dalwallinu, about half of whom (~700 people) live in the town of Dalwallinu itself (ABS 2016).
The population in the Shire of Dalwallinu increased by 11.5% between the last census in 2011 and the most recent census in 2016, and is projected to decrease by 5.5% by 2031 (DPLH 2016).
Approximately 16% of residents of the Shire of Dalwallinu were born overseas and approximately 5% are of Aboriginal and / or Torres Strait Islander descent.
Estimates of the resident populations as at 30 June are released annually for Local Government Areas (LGAs) in Australia by the Australian Bureau of Statistics. The estimates are generally revised 12 months later and final estimates are available after the following census. Visit the ABS website for further details.
The economy of the Shire of Dalwallinu depends primarily on agriculture and related services, alongside a thriving plastics and concrete manufacturing sector. Local farming includes the production of cereal crops (wheat, canola, lupins, oats) and livestock (primarily sheep). Wildflower tourism is a growing area of the economy.
The main land uses as shown in the Local Planning Scheme for the Shire of Dalwallinu includes reserves, residential, rural, industrial and commercial.
Priority conservation areas includes, Buntine Nature Reserve, Jibberding Nature Reserve, Nugaddong Nature Reserve, East Nugadong Nature Reserve, Xantippe Nature Reserve, Old Store Nature Reserve, Sawyers Nature Reserve, Goodlands Nature Reserve and Carlyarn Nature Reserve.
Underlying the Shire of Dalwallinu is south west terrain which forms a part of the Yilgarn Craton. The area comprises of granite rock, gneissic banding and minerals rich in iron and magnesium.
The soils underlying the Shire of Dalwallinu includes loamy calcareous earthy soils, deep sandy and sandy earth soils, of yellow deep sand, yellow and brown sandy earths. Sodic subsoils of loamy and red loamy duplexes also occur in the area. The eastern portion of the shire is characterised by undulating sandplain, valley floors and a salt lake chain associated with an ancient drainage system. Emerging from the landscape are lateritic outcrop and broad sandy gravelly ridges. The western portion of the shire comprises of valley floors, salt lake chains and alluvial flats associated with an ancient drainage line, which is surrounded by undulating plain of sand dune and rises with long gentle gradients on weathered granite
Please go to the below link for more information on soil and geology in the region
Priority Fauna Species
The Tallering sub-IBRA forms part of the Yalgoo IBRA. The Yalgoo IBRA is dominated by red sandy plain of low woodlands to open woodlands of Eucalyptus, Acacias and Callitris (Desmond and Chant, 2001d).
Ancient Drainage subregion (Avon Wheatbelt 1)
The Ancient Drainage subregion occurs in the eastern LGAs of the NAR. This subregion is characterised by Proteaceous scrub occupies much of the lateritic hills and outcrops. The alluvial plains associated with the drainage lines is dominated by eucalypts, Casuarinas, York Gum and Jam wattle woodlands (Beecham, 2001a).
Threatened Ecological Communities
Priority Ecological Communities
Red Morrel Woodland of the Wheatbelt
Tall open woodlands of Eucalyptus longicornis (red morrell) found in the Wheatbelt on lateritic, ironstone or granitic soil types. Sometimes found with Eucalyptus salmonophloia (Salmon Gum), or E. loxophleba (York Gum) woodlands and has very little understorey. It is also found directly above lake systems in the central and eastern Wheatbelt. The landscape unit in which it is found is valley floors, usually adjacent to saline areas.
Category (WA) – Priority 1
For more information visit the DPaW website.
Drainage Basin Length (km) Catchment Area (km2) Average Stream Salinity (mg/L) Key Characteristics Moore-Hill 288 13,450 3000-35000 The Moore River’s eastern reaches (Moore River East) which originates near Dalwallinu, and northern reaches (Moore River North) commences east of Coorow. The major tributaries are the Coonderoo River and Gingin Brook. The Moore River enters the ocean at Guilderton and the estuary is only open to the ocean for a few weeks each year.