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Eucalyptus marginata, commonly known as jarrah, djarraly in Noongar language and historically as Swan River mahogany, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a tree with rough, fibrous bark, leaves with a distinct midvein, white flowers and relatively large, more or less spherical fruit. Its hard, dense timber is insect resistant although the tree is susceptible to dieback. The timber has been utilised for cabinet-making, flooring and railway sleepers.
Leeuwin-Naturaliste National Park is a national park in the South West region of Western Australia, 267 km (166 mi) south of Perth. It is named after the two locations at either end of the park which have lighthouses, Cape Leeuwin and Cape Naturaliste. It is located in the Augusta-Margaret River and Busselton council areas, and is claimed to have the highest visiting numbers of any national park in Western Australia. The park received 2.33 million visitors through 2008–2009.
Porongurup National Park is a national park in the Great Southern region of Western Australia, 360 kilometres (220 mi) southeast of Perth and 40 kilometres (25 mi) from Albany.
The Bibbulmun Track is a long-distance walk trail in Western Australia. It runs from Kalamunda in the east of Perth to Albany, and is 1,003.1 kilometres (623.3 mi) long.
The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to the south of Pemberton. The adjacent Darling Plateau goes easterly to include Mount Bakewell near York and Mount Saddleback near Boddington. It was named after the Governor of New South Wales, Lieutenant-General Ralph Darling.
A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.
The Kimberley is the northernmost of the nine regions of Western Australia. It is bordered on the west by the Indian Ocean, on the north by the Timor Sea, on the south by the Great Sandy and Tanami deserts in the region of the Pilbara, and on the east by the Northern Territory.
An old-growth forest – also termed primary forest, virgin forest, late seral forest, primeval forest or first-growth forest – is a forest that has attained great age without significant disturbance and thereby exhibits unique ecological features and might be classified as a climax community. The Food and Agriculture Organization of the United Nations defines primary forests as naturally regenerated forests of native tree species where there are no clearly visible indications of human activity and the ecological processes are not significantly disturbed. More than one-third of the world’s forests are primary forests. Old-growth features include diverse tree-related structures that provide diverse wildlife habitat that increases the biodiversity of the forested ecosystem. Virgin forests are old-growth forests that have never been logged. The concept of diverse tree structure includes multi-layered canopies and canopy gaps, greatly varying tree heights and diameters, and diverse tree species and classes and sizes of woody debris.
An oak savanna is a type of savanna-or lightly forested grassland- where oaks are the dominant trees, the term oakery or woodlands is also used commonly, though the former is more prevalent when referencing the Mediterranean area. These savannas were maintained historically through wildfires set by lightning, humans, grazing, low precipitation, and/or poor soil.
Southwest Australia is a biogeographic region in Western Australia. It includes the Mediterranean-climate area of southwestern Australia, which is home to a diverse and distinctive flora and fauna.
Fire ecology is a scientific discipline concerned with natural processes involving fire in an ecosystem and the ecological effects, the interactions between fire and the abiotic and biotic components of an ecosystem, and the role as an ecosystem process. Many ecosystems, particularly prairie, savanna, chaparral and coniferous forests, have evolved with fire as an essential contributor to habitat vitality and renewal. Many plant species in fire-affected environments require fire to germinate, establish, or to reproduce. Wildfire suppression not only eliminates these species, but also the animals that depend upon them.
The western corella also known as the western long-billed corella, is a species of white cockatoo endemic to south-western Australia.
Persoonia longifolia, commonly known as snottygobble, is a species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is a shrub or small tree characterised by its weeping foliage, yellow flowers and distinctive flaky bark.
Eucalyptus patens, commonly known as yarri or blackbutt, is a species of flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It has rough bark on the trunk and branches, lance-shaped leaves, creamy-white flowers and spherical to oval fruit.
Hakea petiolaris, commonly known as the sea-urchin hakea, is a shrub or small tree with cream-coloured and pink or purple flowers and woody fruit. It is endemic to the south west of Australia, occurring at the coastal plain, jarrah forest and wheatbelt regions, often at the ancient granite outcrops of Western Australia.
Eucalyptus gomphocephala, known as tuart, is a species of tree, one of the six forest giants of Southwest Australia. Tuart forest was common on the Swan coastal plain, until the valuable trees were felled for export and displaced by the urban development around Perth, Western Australia. The wood is dense, hard, water resistant and resists splintering, and found many uses when it was available. Remnants of tuart forest occur in state reserves and parks, the tree has occasionally been introduced to other regions of Australia and overseas. Remaining trees are vulnerable to phytophthora dieback, an often fatal disorder, including a previously unknown species discovered during analysis of dead specimens.
Warren, also known as Karri Forest Region and the Jarrah-Karri forest and shrublands ecoregion, is a biogeographic region in southern Western Australia. Located in the southwest corner of Western Australia between Cape Naturaliste and Albany, it is bordered to the north and east by the Jarrah Forest region. Its defining characteristic is an extensive tall forest of Eucalyptus diversicolor (karri). This occurs on dissected, hilly ground, with a moderately wet climate. Karri is a valuable timber and much of the karri forest has been logged over, but less than a third has been cleared for agriculture. Recognised as a region under the Interim Biogeographic Regionalisation for Australia (IBRA), and as a terrestrial ecoregion by the World Wide Fund for Nature, it was first defined by Ludwig Diels in 1906.
The Campaign to Save Native Forests (W.A.) (CSNF) was the name of a grassroots organisation which grew from a campaign started in Perth, Western Australia, in 1975, as a response to the development of a woodchipping industry in the south-west jarrah and karri forests of Western Australia. The Manjimup woodchip project aroused significant levels of protest in Perth and the South West region out of public concern that inadequate measures had been made for conservation alongside exploitation of the south west hardwood forests.
Jarrah Forest, also known as the Southwest Australia woodlands, is an interim Australian bioregion and ecoregion located in the south west of Western Australia. The name of the bioregion refers to the region's dominant plant community, jarrah forest – a tall, open forest in which the dominant overstory tree is jarrah.
The southern forest bat is a vespertilionid bat found in Australia.
References
- ↑ Croton, J. T.(1992) Groundwater response beneath a revegetated bauxite minepit in the northern jarrah forest Western Australia Perth, W.A. Alcoa of Australia Series Environmental Department research note ; no. 16 "September 1992"
- ↑ Van Heurck, Paul et al. (1998) Fire and invertebrate conservation in the central jarrah forest of South-Western Australia : final report East Perth, W.A. : Distributed by the Heritage Council of W.A. Project (World Wide Fund for Nature Australia) ;"Department of Land Management & Eco-Insect Consultants" "October 1998"
- ↑ Strelein, G. J. (1988) Site classification in the Southern jarrah forest of Western Australia Como, W.A. Dept. of Conservation and Land Management, Western Australia. Research bulletin 0816-9675 ; 2. ISBN 0-7309-2565-X (not printed in book)
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