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Mallee (biogeographic Region)
Mallee, also known as Roe Botanical District, is a biogeographic region in southern Western Australia. Located between the Esperance Plains, Avon Wheatbelt and Coolgardie bioregions, it has a low, gently undulating topography, a semi-arid mediterranean climate, and extensive ''Eucalyptus'' mallee vegetation. It has an area of . About half of the region has been cleared for intensive agriculture. Recognised as a region under the Interim Biogeographic Regionalisation for Australia (IBRA), it was first defined by John Stanley Beard in 1980. Geography and geology The Mallee region has a complex shape with tortuous boundaries, but may be roughly approximated as the triangular area south of a line from Bruce Rock to Eyre, but not within 40 kilometres (25 mi) of the south coast, except at its eastern limits. It has an area of about 79000 square kilometres (31000 mi²), making it about a quarter of the South West Botanic Province, 3% of the state, and 1% of Australia. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interim Biogeographic Regionalisation For Australia
The Interim Biogeographic Regionalisation for Australia (IBRA) is a biogeographic regionalisation of Australia developed by the Australian government's Department of Sustainability, Environment, Water, Population, and Communities. It was developed for use as a planning tool, for example for the establishment of a national reserve system. The first version of IBRA was developed in 1993–94 and published in 1995. Within the broadest scale, Australia is a major part of the Australasia biogeographic realm, as developed by the World Wide Fund for Nature The World Wide Fund for Nature Inc. (WWF) is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. It was formerly named the W .... Based on this system, the world is also split into 14 terrestrial habitats, of which eight are shared by Australia. The Australian land mass is divided into 89 bioregions and 41 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gnowangerup, Western Australia
Gnowangerup is a town located south-east of Katanning in the Great Southern region of Western Australia. Etymology Gnowangerup is named as the place of the mallee fowl in the Aboriginal Noongar language, being derived from nearby Gnowangerup Creek and Spring, both names being first recorded in 1878. The name means "place where the mallee hen (Gnow) nests". The town was first gazetted under the spelling of Ngowangerupp. Local dissatisfaction with this spelling led to it being altered to Gnowangerup in 1913. History The traditional owners of the area are the Goreng Noongar peoples who lived on the plains in the area for thousands of years prior to the arrival of European settlers. The townsite was first gazetted in 1908. Following a severe drought the town was flooded in 1940 after a torrential downpour. The bridge was covered by water, parts of the railway line, the local tennis courts and pavilion were washed away. Education Gnowangerup State School was opened in Novembe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Archean
The Archean Eon ( , also spelled Archaean or Archæan) is the second of four geologic eons of Earth's history, representing the time from . The Archean was preceded by the Hadean Eon and followed by the Proterozoic. The Earth during the Archean was mostly a water world: there was continental crust, but much of it was under an ocean deeper than today's ocean. Except for some trace minerals, today's oldest continental crust dates back to the Archean. Much of the geological detail of the Archean has been destroyed by subsequent activity. The earliest known life started in the Archean. Life was simple throughout the Archean, mostly represented by shallow-water microbial mats called stromatolites, and the atmosphere lacked free oxygen. Etymology and changes in classification The word ''Archean'' comes from the Greek word (), meaning 'beginning, origin'. It was first used in 1872, when it meant 'of the earliest geological age'. Before the Hadean Eon was recognized, the Arc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clay
Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4). Clays develop plasticity when wet, due to a molecular film of water surrounding the clay particles, but become hard, brittle and non–plastic upon drying or firing. Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide. Clay is the oldest known ceramic material. Prehistoric humans discovered the useful properties of clay and used it for making pottery. Some of the earliest pottery shards have been dated to around 14,000 BC, and clay tablets were the first known writing medium. Clay is used in many modern industrial processes, such as paper making, cement production, and chemical filtering. Between one-half and two-thirds of the world's population live or work in buildings made with clay, oft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sand
Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass. The composition of sand varies, depending on the local rock sources and conditions, but the most common constituent of sand in inland continental settings and non- tropical coastal settings is silica (silicon dioxide, or SiO2), usually in the form of quartz. Calcium carbonate is the second most common type of sand, for example, aragonite, which has mostly been created, over the past 500million years, by various forms of life, like coral and shellfish. For example, it is the primary form of sand apparent in areas where reefs have dominated the ecosystem for millions of years like the Caribbean. Somewhat more rarely, sand may be composed of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salmon Gums, Western Australia
Salmon Gums is a small town in Western Australia located 106 km north of Esperance on the Coolgardie-Esperance Highway. The name is derived from a prominent stretch of '' Eucalyptus salmonophloia'' (Salmon Gum) trees which formed a landmark in the town's early days. The town is part of the Shire of Esperance. At the 2016 census, Salmon Gums had a population of 191. The surrounding areas produce wheat and other cereal crops. The town is a receival site for Cooperative Bulk Handling. History The first potential use of a townsite was as a watering spot for the proposed Esperance to Norseman Railway, since Salmon Gums is roughly halfway between these two towns. Land for a town-site was set aside in 1912 and the name was recommended in 1916. This land lay within the tribal boundaries of the indigenous Kalaako. The town was gazetted in 1925, when the Esperance to Salmon Gums section of the railway was completed. Settlement of the area received a boost after the First World ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grass Patch, Western Australia
Grass Patch is a small town in the Goldfields-Esperance region of Western Australia, located 79 km north of Esperance on the Coolgardie-Esperance Highway. The town was named after a nearby farm of the same name that had been settled around 1896 and was renowned for bountiful crops and good grass. The town is part of the Shire of Esperance, and services the local farming community. History The townsite was proposed in 1910 when land in the area was being opened up, and as a watering spot for the planned Esperance to Norseman Railway, which was completed 15 years later. Although the area was already well known as "Grass Patch", locals sought a more suitable name for the town when it was gazetted in 1923. Of the three nominated, "Warden" was chosen. However, objections were soon raised about this name and later the same year it was changed back to Grass Patch. The poor quality of the soil in the surrounding district made the development of farming in the area difficult a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norseman, Western Australia
Norseman is a town located in the Goldfields-Esperance region of Western Australia along the Coolgardie-Esperance Highway, east of Perth and above sea level. It is also the starting point of the Eyre Highway, and the last major town in Western Australia before the South Australian border to the east. At the 2021 census, Norseman had a population of 562, of which 17% were Australian Aboriginal. History The quest for gold led to the establishment of Norseman, on the traditional land of the Ngadju. Today there are a number of small goldmining operations in the area but only the Central Norseman Gold Corporation can be considered a major producer. Gold was first found in the Norseman area in 1892, about 10 km south of the town, near Dundas. The "Dundas Field" was proclaimed in August 1893 and a townsite gazetted there. In August 1894, Lawrence Sinclair, his brother George Sinclair, and Jack Alsopp discovered a rich gold reef which Sinclair named after his horse, Hardy Nor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake King, Western Australia
Lake King is a town in the eastern Wheatbelt region of Western Australia, from Perth along State Route 40 between Kelmscott and Ravensthorpe. As of 2016, the town had a population of 95. The 2011 census recorded both the population of the town and the surrounding area for a population of 332. Lake King is named after a nearby lake which in turn was named after the Surveyor General of Western Australia, Henry Sandford King, by Marshall Fox, District Surveyor (Narrogin). In 1926, following completion of an initial land classification survey of the Lake King district that defined 230,000 acres as suitable for settlement, a large official inspection party was led by Surveyor General John Percy Camm, Sydney Stubbs ( MLA Wagin), Edwin Wilkie Corboy (MLA Yilgan), and James Cornell ( MLC South Province). The area was surveyed and access roads built during 1927, and land released in 1928 at prices from 4/6 to 16/- per acre. The town struggled through the depression but thrived i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wave Rock
Wave Rock ( nys, Katter Kich) is a natural rock formation that is shaped like a tall breaking Wind wave, ocean wave. The "wave" is about high and around long. It forms the north side of a solitary hill, which is known as "Hyden Rock". This hill, which is a granite inselberg, lies about east of the small town of Hyden, Western Australia, Hyden and east-southeast of Perth, Western Australia.Charles Rowland Twidale, Twidale, C. R. (1968) ''Origin of Wave Rock, Hyden.'' Transactions of the Royal Academy of South Australia. vol. 92, pp. 115–124. Wave Rock and Hyden Rock are part of a nature reserve, Hyden Wildlife Park. More than 100,000 tourists visit every year. Dam A wall lies above Wave Rock about halfway up Hyden Rock and follows the contours of the rock surface. It collects and funnels rainwater to a storage dam. The wall and dam were constructed in December 1928 by the Public Works Department (Western Australia), Public Works Department for the colonist settlers of Ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hyden, Western Australia
The town of Hyden is located east-southeast of Perth, Western Australia in the Shire of Kondinin. Hyden is home to Wave Rock, Mulka's Cave and Hippos Yawn, all popular local tourist attractions. The traditional owners of the area are the Aboriginal Australian group the Njakinjaki people, who have inhabited the region for thousands of years. The many granite outcrops, land formations, waterways as well as flora and fauna are still culturally significant to them. Sandalwood cutters were thought to be the earliest European visitors in the area. The land in the surrounding area was opened up for agriculture in the 1920s. A railway was built between Kondinin and Hyden Rock in 1930. The townsite was gazetted in 1932 following demand for land around the railway terminus. The first wheat crop was harvested in Hyden in 1927. The Hyden Progress Association was established prior to 1931 when the town was home to about 100 settlers. In 1931 the town had another large wheat crop, wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
