Gotowe bibliografie tematyczne / Rare plants – Western Australia – Southwestern

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Gotowa bibliografia na temat „Rare plants – Western Australia – Southwestern”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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Artykuły w czasopismach na temat "Rare plants – Western Australia – Southwestern"

Catling, Paul M., and Gisèle Mitrow. "The Recent Spread and Potential Distribution of Phragmites australis subsp. australis in Canada." Canadian Field-Naturalist 125, no. 2 (April 1, 2011): 95. http://dx.doi.org/10.22621/cfn.v125i2.1187.

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To provide information on geographic occurrence, rate of spread, and potential distribution of European Common Reed, Phragmites australis subsp. australis, in Canada, we measured 1740 herbarium specimens from 21 collections across Canada, entered the information into a database, and mapped and analyzed these records. The European subspecies australis was first documented in Canada 100 years before it was recognized as an alien invader. It was not until the invading plants had entered a phase of rapid local increase after 1990 that they attracted sufficient attention that a comparison of the in

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Crombie, DS, JT Tippett, and TC Hill. "Dawn Water Potential and Root Depth of Trees and Understorey Species in Southwestern Australia." Australian Journal of Botany 36, no. 6 (1988): 621. http://dx.doi.org/10.1071/bt9880621.

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Water relations of selected tree and understorey species in the jarrah forest of south-western Australia were studied during summer drought and the results related to root morphology. Seasonal patterns of predawn water potential (Ψp) differed between species according to root depth and between sites according to average annual rainfall. Dawn water potentials fell most rapidly and by the greatest amount in plants with the shallowest roots. Dawn water potentials of medium and deep rooted species were not consistently different. Separation of Ψp between sites of different annual rainfall was less

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W. Arnold, G., M. Abensperg-Traun, R. J. Hobbs, D. E. Steven, L. Atkins, J. J. Viveen, and D. M. Gutter. "Recovery of shrubland communities on abandoned farmland in southwestern Australia: soils, plants, birds and arthropods." Pacific Conservation Biology 5, no. 3 (1999): 163. http://dx.doi.org/10.1071/pc990163.

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Passive recovery of land formerly used for agricultural production may be an inexpensive and rapid method of ecosystem recovery, and may provide an alternative method to active revegetation. Passive recovery may also contribute to sustainable agriculture (soil salinity). For undisturbed and disturbed areas of the central wheatbelt of Western Australia, this paper reports the effects of farming history (clearing only, cultivation, duration of farming, and time since farming ceased) on the soil nutrient content, plant floristics (richness and composition) and structure, and the abundance, specie

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Kirby, GC, BA Barlow, and S. Habel. "Sex-Ratios in a Gynodioecious Plant Ptilotus obovatus (Gaudich) F-Muell (Amaranthaceae)." Australian Journal of Botany 35, no. 6 (1987): 679. http://dx.doi.org/10.1071/bt9870679.

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Ptilotus obovatus is a gynodioecious perennial shrub with diploid and tetraploid cytotypes and is widespread in arid Australia. This study involved sex ratio counts in colonies of both cytotypes across much of the species range. Samples from diploid colonies had high frequencies of females (>55%) in Western Australia, low frequencies (<41%) in South Australia, and variable frequencies (36-77%) in southwestern Queensland. Tetraploid colonies had the opposite trend with low frequencies of females (<47%) in Western Australia and high frequencies (>54%) in the Northern Territory, South

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Downes, P. J., and A. W. R. Bevan. "Chrysoberyl, beryl and zincian spinel mineralization in granulite-facies Archaean rocks at Dowerin, Western Australia." Mineralogical Magazine 66, no. 6 (December 2002): 985–1002. http://dx.doi.org/10.1180/0026461026660072.

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Abstract A deposit of chrysoberyl (BeAl2O4), including the variety alexandrite, occurs near Dowerin, in the southwestern region of the Archaean Yilgarn Craton, Western Australia. The deposit is situated in the northern part of the Lake Grace Terrain, a crustal component of the southwestern Yilgarn Craton, in granulite-facies gneisses (2640–2649 Ma; T = 700°C, P <6 kbar) adjacent to the margin of the Kellerberrin Batholith (2587±25 Ma). Beryllium mineralization at Dowerin occurs in plagioclase-quartz-biotite-garnet gneiss and cross-cutting tourmaline-plagioclase veins situated adjacent to le

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Lee, J. G. H., H. C. Finn, and M. C. Calver. "Ecology of black cockatoos at a mine-site in the eastern jarrah-marri forest, western Australia." Pacific Conservation Biology 19, no. 1 (2013): 76. http://dx.doi.org/10.1071/pc130076.

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Three threatened black cockatoos inhabit the Jarrah Eucalyptus marginata-Marri Corymbia calophylla forest of southwestern Australia: Baudin’s Cockatoo Calyptorhynchus baudinii, Carnaby’s Cockatoo C. latirostris, and Forest Redtailed Black Cockatoo C. banksii naso [FRTBC]. Their local ecology in relation to anthropogenic disturbance is poorly known, hampering effective conservation management. Therefore we studied their group size, site occupancy patterns, habitat use, and food plants at a mine-site and its surrounds in the eastern forest over three years. FRTBC showed similar group sizes and o

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Kennedy, J., and G. Weste. "Vegetation Changes Associated With Invasion by Phytophthora cinnamomi on Monitored Sites in the Grampians, Western Australia." Australian Journal of Botany 34, no. 3 (1986): 251. http://dx.doi.org/10.1071/bt9860251.

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The effects of invasion by Phytophthora cinnamomi were measured on sites representing the larger forest regions of the Grampians. Changes were obvious at first, with the death of more than 50% of the species including large plants such as Xanthorrhoea australis, but soon became dificult to detect as susceptible species were replaced by field-resistant graminoids. Reductions were assessed in species heterogeneity and plant density during 1976, at the onset of disease and from 1977 to 1984. Susceptible species disappeared from infested forest and no re-emergence was observed. Less-susceptible pl

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Touchell, DH, KW Dixon, and B. Tan. "Cryopreservation of Shoot-Tips of Grevillea scapigera (Proteaceae): a Rare and Endangered Plant From Western Australia." Australian Journal of Botany 40, no. 3 (1992): 305. http://dx.doi.org/10.1071/bt9920305.

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Cryopreservation of leaf, petiole, stem pieces and shoot-tips was investigated as a means for long-term maintenance of germplasm of the rare and endangered species, Grevillea scapigera A.S. George. Crypreservation was only achieved using shoot-tips or axillary buds and a slow-cooling regime with the aid of an improvised freezing device. The highest survival of thawed explants (20%) was obtained with 4-week-old in vitro shoot-tips cultured for 48 h in a prefreezing liquid culture medium supplemented with 5% dimethylsulfoxide. The pretreated shoot-tips were frozen in a liquid medium containing 1

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Cox, Brad. "Granite Outcrops Symposium." Pacific Conservation Biology 4, no. 3 (1998): 271. http://dx.doi.org/10.1071/pc98271a.

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Western Australia is a flat landscape. Granite outcrops are one of the few features that rise above the terrain. This makes them unique landmarks for people, and islands for plants and animals. They are highly significant in terms of their geological, biological and cultural values. They contain some of the world's oldest rocks, are an important source of water, often contain aboriginal heritage sites and are refuges for many rare and endangered flora and fauna.

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Pierce, Nuri B., and Michael G. Simpson. "Polyaperturate pollen types and ratios of heteromorphism in the monocot genus Conostylis (Haemodoraceae)." Australian Systematic Botany 22, no. 1 (2009): 16. http://dx.doi.org/10.1071/sb08040.

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Pollen aperture heteromorphism (variation of aperture number in pollen grains within each flower and in all plants of a taxon) is described in the diverse monocot genus Conostylis R.Br. (Haemodoraceae) and that of related genera, all endemic to Western Australia. We report results of pollen observations from 153 specimens. In Conostylis, aperture number varies greatly, with biporate, triporate, tetraporate and polyporate pollen present, features considered rare and possibly developmentally significant for monocots. Pollen aperture types and their ratios in this genus are stable and consistent

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Rozprawy doktorskie na temat "Rare plants – Western Australia – Southwestern"

Williams, Aleida Helen. "An ecophysiological comparison of rare ironstone endemics and their common congeners." University of Western Australia. School of Plant Biology, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0241.

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[Truncated abstract] In south-western Australia a rare plant community occurs on shallow soils overlaying massive ironstone rock. These 'ironstone communities' are open shrublands, which are subject to extremes in drought and solar radiation and support many rare and endemic species. The restricted distribution of many of these species may be related to their high degree of specialisation to this harsh habitat and their inability to respond plastically to different environmental conditions. Indeed, earlier work has shown that ironstone Hakea species (Proteaceae) have a specialist root-system m

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Swarts, Nigel. "Integrated conservation of the rare and endangered terrestrial orchid Caladenia huegelii H.G. Reichb." University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0044.

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The Orchidaceae is characterized by a remarkably diverse range of life forms and some of the most highly specialized interactions with soil fungi and insect pollinators found in the flowering plants. Many species are rare or threatened with extinction either directly through loss of habitat or over-collection or, indirectly through debilitation or loss of mycorrhizal association or pollinator capacity. Australian temperate terrestrial orchids represent one of the most threatened groups in the Australian flora with many taxa clinging to existence in urban and rural bushland remnants, road verge

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Loo, Christopher. "The ecology of naturalised silvergrass (Vulpia) populations in south-western Australia." University of Western Australia. School of Plant Biology, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0093.

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[Truncated abstract] Annual grasses have colonised a diverse range of environments in southern Australia. The “Silvergrasses” of the genus Vulpia are excellent examples being widely distributed, are prevalent weeds of agriculture and have had a long history to naturalise on the continent. Research was undertaken on Vulpia populations to identify if naturalising species have reproductive traits that provide propagules with the best chances of success. Furthermore, research aimed at investigating if these traits vary between species and their populations and how this variability related to the e

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Dolling, Perry. "Lucerne (Medicago sativa) productivity and its effect on the water balance in southern Western Australia." University of Western Australia. Faculty of Natural and Agricultural Sciences, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0108.

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[Truncated abstract] In southern Western Australia the replacement of deep-rooted native vegetation with annual species has resulted in rising water tables and increased salinity due to insufficient water use. The area has a Mediterranean-type climate where rainfall during summer is generally low but variable resulting in limited plant growth. However, if rainfall does occur it potentially can contribute to to the increased water excess or drainage by increasing the soil water content before the main drainage period in winter. The first study investigated factors controlling soil water content

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Książki na temat "Rare plants – Western Australia – Southwestern"

Napier, Anna. Survey of rare and poorly known eucalypts of Western Australia. Wanneroo, W.A: Western Australian Wildlife Research Centre, 1988.

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Johansen, Bruce, and Adebowale Akande, eds. Nationalism: Past as Prologue. Nova Science Publishers, Inc., 2021. http://dx.doi.org/10.52305/aief3847.

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Nationalism: Past as Prologue began as a single volume being compiled by Ad Akande, a scholar from South Africa, who proposed it to me as co-author about two years ago. The original idea was to examine how the damaging roots of nationalism have been corroding political systems around the world, and creating dangerous obstacles for necessary international cooperation. Since I (Bruce E. Johansen) has written profusely about climate change (global warming, a.k.a. infrared forcing), I suggested a concerted effort in that direction. This is a worldwide existential threat that affects every living t

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Cooper, Wendy, and William Cooper. Australian Rainforest Fruits. CSIRO Publishing, 2013. http://dx.doi.org/10.1071/9780643107854.

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This beautifully illustrated field guide covers 504 of the most common fruiting plants found in Australia's eastern rainforests, as well as a few species that are rare in the wild but generally well-known. These spectacular plants can be seen from Cape York to Victoria, with some species also found in the Northern Territory, Western Australia and overseas.  Rainforest fruits are often beautifully coloured, and in this guide the species are arranged by colour of ripe fruit, then by size and form. Five broad categories – pink to purple, blue to black, yellow and orange to red, green to bro

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