Wimmera

Wimmera

Infobox Australian Place | type = region
name = Wimmera
state = vic



caption = Mount Arapiles rises above the flat Wimmera plain
lga = Shire of Buloke, Rural City of Horsham, Shire of Northern Grampians, Shire of West Wimmera, Shire of Yarriambiack
pop = 48,443
pop_footnotes=
stategov = Ripon, Lowan
fedgov = Mallee
The Wimmera is a region in the west of the Australian state of Victoria.

It covers the dryland farming area south of the range of Mallee scrub, east of the South Australia border and north of the Great Dividing Range. It can also be defined as the land within the social catchment of Horsham, its main settlement.

Most of the Wimmera is very flat, with only the Grampians and Mount Arapiles rising above vast plains and the low plateaux that form the Great Divide in this part of Victoria. The Grampians are very rugged and tilted, with many sheer sandstone cliffs on their eastern sides, but gentle slopes on the west.

At the 2006 census, the Wimmera statistical division had a population of 48,443.Census 2006 AUS
id=225
name=Wimmera (Statistical Division)
accessdate=2008-10-06
quick=on
Note that the ABS do not include the Rural City of Ararat or the Shire of Buloke in their definition of the Wimmera Statistical Division.]

Towns

The area contains a number of important towns, such as Horsham, Warracknabeal, Dimboola, Stawell and Nhill. Almost all of these are largely dependent on the grain and sheep industries, and are usually dominated by flour mills and grain storage silos. The smaller towns in the area are dying due to over-exploitation of the fragile soils and the constantly declining value of the primary products that dominate the region's economy. [cite web|url=http://www.dpc.vic.gov.au/domino/Web_Notes/newmedia.nsf/955cbeae7df9460dca256c8c00152d2b/d71ea5d319c8ef14ca2571b20008ed57 |title=New natural resource management for the Wimmera catchment |publisher=Victorian Government|date=2006-06-20|accessdate=2008-02-25]

Climate

The climate is semi-arid to sub-humid, with annual rainfall ranging generally from 380 millimetres (15 inches) in the north to 580 millimetres (23 inches) in the south. In the Grampians, annual precipitation can be as high as 1150 millimetres (46 inches) and snowfalls are not uncommon. Most rain falls in winter, though heavy summer falls can occur, the most famous of which was the thunderstorm that dumped 133.2 millimetres on Nhill in mid-January 1974.

Temperatures are hot in summer, ranging typically from a maximum of 30°C (86°F) to a minimum of 14°C (57°F), whilst extremes can be as high as 44°C (111°F). In the winter, maximums are 15°C (59°F), but mornings can be cold, averaging at Horsham only 4°C (40°F).

oils

Most of the soils are very infertile and many are sandy; however in a narrow belt between Nhill and Warracknabeal there are heavy grey Vertisols, that, although still deficient in phosphorus, are otherwise free of major nutrient deficiencies and are able to hold water very well. These grey soils are the principle wheat soils of Victoria. Red-brown earths are also used for wheat but do not give as high yields and require more fertilisation.

Rivers

The Wimmera River flows from the Grampians towards Lake Hindmarsh. Many streams in the region flow only after sustained heavy rainfall and are often dry for long spells. In fact, in recent years Rocklands Reservoir, the main water storage of the district, has become almost unviable due to a succession of dry years.

Natural Heritage

The Wimmera is renowned for its natural heritage.

The Grampians

One of the key preservation areas is contained within the Grampians National Park, which possesses many unusual wildflowers and the greatest diversity of flora and fauna in Victoria west of the Snowy River. The Grampians also possess many important Aboriginal artifacts. A local aboriginal name "Gariwerd" was adopted by the National Park in 1991 in recognition of this fact, however this change was soon reversed after a change of state government in 1992.

Little Desert

The (misnamed) Little Desert National Park, south of Nhill and west of Dimboola, is a large wilderness area of sand dunes that were too infertile for productive farming even with superphosphate and trace elements.

References


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Look at other dictionaries:

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  • Wimmera — Wimmera, Creek im britisch austral. Staat Victoria, entspringt an der Nordseite des westlichen Berglandes von Victoria und fließt, auf dessen nördlicher Abdachung sich hinschlängelnd, zum salzigen Lake Hindmarsh, den der Outlet Creek verläßt, um… …   Meyers Großes Konversations-Lexikon

  • Wimmera — Le Wimmera est une région située dans l ouest de l État australien de Victoria. Le mont Arapiles dominant la plaine de Wimmera Cette région s étend sur une zone agricole aride, se trouvant au sud de la circonscription électorale de Mallee, à l… …   Wikipédia en Français

  • Wimmera — /ˈwɪmərə/ (say wimuhruh) noun 1. a district in western Victoria, extending from the Grampians in the south to the Mallee district in the north, and from the SA border in the west to St Arnaud in the east; important pastoral area. 2. a river in… …  

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  • Wimmera River — The Wimmera River is a river in Western Victoria, Australia. It begins in the Pyrenees, and flows into Lake Hindmarsh and Lake Albacutya, although in many years flows do not reach these terminal lakes and the river contracts to a series of pools… …   Wikipedia

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