Bibliografías temáticas / Soils South Australia Lofty

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Literatura académica sobre el tema "Soils South Australia Lofty"

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Publicado: 4 de junio de 2021

Última modificación: 29 de enero de 2023

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Artículos de revistas sobre el tema "Soils South Australia Lofty"

Fritsch, E. y RW Fitzpatrick. "Colour plates - Interpretation of soil features produced by ancient and modern processes in degraded landscapes .1. A new method for constructing conceptual soil-water-landscape models". Soil Research 32, n.º 5 (1994): 880. http://dx.doi.org/10.1071/sr9940880.

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A pedo-hydrological method which involves interpreting features in soils that result from both ancient and modern processes along toposequences in a subcatchment of the Mt Lofty Ranges, South Australia, is used to construct conceptual soil-water-landscape models. This method links soil-landscape features to soil-water processes with strong emphasis on: (i) soil water-flow systems and (ii) soil-forming and soil-change processes. The conceptual model illustrates the interactions between soil processes acting in soil water-flow systems. This model is able to predict future modes of soil-landscape evolution under changing environmental conditions. As well, it may be used by land and water supply managers to develop more efficient management strategies under conditions of increasing land degradation (e.g. erosion and water pollution). A typical Palexeralf-Natraqualf hydro-toposequence of soils (i.e. catena consisting of red-yellow-grey duplex soils) is used as an example to illustrate this new approach. The landscape selected is undergoing severe soil degradation (i.e. waterlogging, dryland salinity, erosion and water pollution). The constructed conceptual soil-water-landscape model is the result of detailed pedo-hydrological investigations along toposequences in a representative subcatchment in the high rainfall zone (>600 mm) of the Mount Lofty Ranges, South Australia. The model illustrates in graphic form interactions between three soil water-flow systems (freely drained red soil system, hydromorphic topsoil system, hydromorphic subsoil system) and eight soil processes (saprolitization, ferralitization, glaebulization, redoximorphism, eluviation/illuviation, salinization/solonization, sulfidization/sulfuricization and water erosion). The study demonstrates that this whole ecosystem has been placed into disequilibrium thereby developing severe land degradation problems as a result of rising saline sulfatic ground watertables and perched watertables due to land-clearing since European settlement. The purpose of this paper is to provide a methodology framework and overall summary for other papers in a series dealing essentially with detailed field and laboratory investigations of individual soil-water processes.

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Fritsch, E. y RW Fitzpatrick. "Interpretation of soil features produced by ancient and modern processes in degraded landscapes .1. A new method for constructing conceptual soil-water-landscape models". Soil Research 32, n.º 5 (1994): 889. http://dx.doi.org/10.1071/sr9940889.

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Merry, RH, KG Tiller y AF Richards. "Variability in characteristics of some acidic pasture soils in South Australia and implications for lime application". Soil Research 28, n.º 1 (1990): 27. http://dx.doi.org/10.1071/sr9900027.

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The variability of soil pH (0.01 M CaCI2), aluminium and manganese (extractable in 0.01 M CaCl2), total carbon and some soil morphological factors have been investigated in the surface and subsoil at seven pasture sites in the southern Mount Lofty Ranges and Kangaroo Island, South Australia. The coefficients of variation of the factors measured were found to be of a similar order, except for soil pH which, being a logarithmic transformation, is much lower. Relationships between pH and soil aluminium, manganese and carbon are used to predict the effects of further acidification, especially with respect to the development of increased extractable aluminium, and to assess the likelihood of problems in selecting appropriate rates of lime application.

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Varcoe, Jon, John A. van Leeuwen, David J. Chittleborough, James W. Cox, Ronald J. Smernik y Anna Heitz. "Changes in water quality following gypsum application to catchment soils of the Mount Lofty Ranges, South Australia". Organic Geochemistry 41, n.º 2 (febrero de 2010): 116–23. http://dx.doi.org/10.1016/j.orggeochem.2009.09.010.

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Yu, B. y CJ Rosewell. "Rainfall erosivity estimation using daily rainfall amounts for South Australia". Soil Research 34, n.º 5 (1996): 721. http://dx.doi.org/10.1071/sr9960721.

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The rainfall erosivity model relating storm erosivity to daily rainfall amounts was tested for 4 sites in South Australia where seasonal rainfall erosivity is generally out of phase with seasonal rainfall because of the predominant winter rainfall. The model worked reasonably well, with the coefficient of efficiency varying from 0.54 to 0.77, and the average discrepancy between actual and estimated monthly distribution was no more than 3%. The model performance in the winter rainfall area is similar to that in the uniform and summer rainfall areas. A set of regional parameter values estimated using a combined dataset is recommended for other sites in the agricultural and viticultural areas of South Australia where the mean annual rainfall ranges from 300 to 500 mm. The R-factor and its seasonal distribution were estimated for 99 sites in South Australia using long-term daily rainfall data. The R-factor varies mostly between 250 and 500 MJ . mm/(ha . h . year). Rainfall erosivity peaks in winter in the southern part of the western agricultural area and the south-east corner of the State, while it peaks in summer in the inland area east of the South Flinders and Mount Lofty Ranges.

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Wilford, J. y M. Thomas. "Predicting regolith thickness in the complex weathering setting of the central Mt Lofty Ranges, South Australia". Geoderma 206 (septiembre de 2013): 1–13. http://dx.doi.org/10.1016/j.geoderma.2013.04.002.

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Biddle, DL, DJ Chittleborough y RW Fitzpatrick. "Field-based comparison of platinum and wax impregnated graphite redox electrodes". Soil Research 33, n.º 3 (1995): 415. http://dx.doi.org/10.1071/sr9950415.

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An inert electrode was constructed using wax-impregnated graphite (WIG) as an alternative to Pt for permanent installation in the regolith. The performance of WIG electrodes has not previously been systematically evaluated by using data from field trials, although Pt and WIG measure similar Eh values in laboratory solutions. We compared the performance of the WIG electrode when installed adjacent to Pt redox electrodes in the A, B and C horizons of duplex soils in a X-eralf-Aqualf toposequence near Mount Crawford in the Mt Lofty Ranges, South Australia. Lower potentials, commonly in the order of 200 mV, were measured from WIG electrodes, relative to Pt electrodes. Measurements of potential from adjacently installed WIG and Pt electrodes did not show significant correlation. Generally oxidizing redox potentials were measured in all soils in which electrodes were installed due to below average rainfall during the sampling period. Further testing of WIG electrodes in reduced regolith is needed. Interpretation of Eh trends, measured using Pt electrodes, between the A, B and C horizon are presented.

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Chandler, Gregory T. y Michael D. Crisp. "Contributions Towards a Revision of Daviesia (Fabaceae: Mirbelieae). IV.* D. ulicifolia sens. lat." Australian Systematic Botany 10, n.º 1 (1997): 31. http://dx.doi.org/10.1071/sb96013.

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Following a morphometric and cladistic analysis of the Daviesia ulicifolia Andrews group (Chandler and Crisp 1997), a new species, D. sejugata, is described. It occurs disjunctly in eastern Tasmania and southern Yorke Peninsula, South Australia, and is closely related to D. arthropoda F.Muell., differing in a generally more robust habit, thicker fleshy phyllodes, and larger flowers. Even with this species removed from D. ulicifolia, the latter varies considerably over a wide geographic, edaphic and altitudinal range. Daviesia ulicifolia is divided into six subspecies based on distinct phenetic and phylogenetic groups delimited in the earlier study. These are subsp. aridicola (glaucous plants in arid regions), subsp. incarnata (reddish-flowered plants in the Mt Lofty Range, South Australia), subsp. ruscifolia (plants with ovate-acuminate leaves and orange flowers in Victoria and southern New South Wales (NSW), often at high altitude), subsp. stenophylla (a narrow-leaved form in northern NSW and Queensland), subsp. pilligensis (ovate-leaved plants on sandy soil in western NSW), and subsp. ulicifolia (a paraphyletic residual from south-eastern states).

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Naidu, R., DR Williamson, RW Fitzpatrick y IO Hollingsworth. "Effect of landuse on the composition of throughflow water immediately above clayey B horizons in the Warren Catchment, South Australia". Australian Journal of Experimental Agriculture 33, n.º 2 (1993): 239. http://dx.doi.org/10.1071/ea9930239.

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The effect of landuse on composition of throughflow water immediately above the clayey B horizons in duplex soils (mostly natric and/or sodic) in the Mount Lofty Ranges, South Australia, was investigated using simple lysimeters. During July-November 1991, the pH of the first flow immediately after rainstorm under pines, native woodland, and pasture, respectively, was 5.7, 6.0, and 6.4. At each of the sites, average pH over 4 months during July-November was 5.8-5.9. Both the electrical conductivity (EC) and the amounts of total dissolved solids (TDS) were 2-3 times higher under pine than at other sites. The rate of change in EC with respect to TDS varied considerably among the sites, possibly due to the large differences in the concentration of dissolved organic compounds. Although the pH of water was >5.5, both aluminium and iron were recorded, especially under pine, where there were also high levels of dissolved organic compounds. High levels of suspended colloidal matter were recorded in the water flowing under pine, and these levels were related to dissolved organic carbon.

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Cox, J. W., D. J. Chittleborough, H. J. Brown, A. Pitman y J. C. R. Varcoe. "Seasonal changes in hydrochemistry along a toposequence of texture-contrast soils". Soil Research 40, n.º 4 (2002): 581. http://dx.doi.org/10.1071/sr01042.

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Ameliorative strategies are urgently required in some agricultural catchments in southern Australia to reduce the loss of potential contaminants to streams. However, a better understanding of where the contaminants are generated on hillslopes, their forms, and the pathways through which they are transported were required. Thus, seasonal changes in the quantities and forms of several chemical species were measured in both vertical and lateral flow pathways at 4 sites along a toposequence in the Mt Lofty Ranges, South Australia. Instrumentation was installed to measure and quantify overland flow and throughflow, and porous-wick samplers were installed at 2 depths to study the chemistry of leachate. Neutron moisture meter access tubes were installed to measure seasonal changes in soil water content with depth as this influences chemical concentrations and mobility. In years of average to below average annual rainfall, throughflow was the most important transport pathway for contaminants. However, it was expected that overland flow will be the dominant transport pathway when annual rainfall is above about 550 mm. Changes in water content of the texture-contrast soils was caused by seasonal rainfall causing periodic saturation, by waterlogging, groundwater, or both. This affected the type and form of contaminant. For example, Na and Cl concentrations were generally only large (800 and 1500 mg/L, respectively) on the lower slopes but in the wettest seasons their concentrations increased at depth on mid-slopes due to the influence of shallow saline groundwater. These chemicals then leached when groundwater levels subsided. The results suggest that ameliorative strategies to reduce agricultural contaminants should target the transport pathways specific to each chemical species, at the point (or points) in the landscape where they are generated.

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Tesis sobre el tema "Soils South Australia Lofty"

Dalby, Paul Reginald. "Competition between earthworms in high rainfall pastures in the Mt. Lofty Ranges, South Australia". Title page, contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phd137.pdf.

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Copy of author's previously published work inserted. Bibliography: leaves 261-306. The objectives of the project were: i. to determine whether there are competitive interactions between Aporrectodea trapezoides and A. caliginosa and A. rosea.--ii. to investigate compeditive interactions between A. calignosa, Microscolex dubius and A. trapezoides.--iii . to determine the likely impact of A. longa on soil fauna, especially the native earthworm, Gemascolex lateralis, in native ecosystems.

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Nathan, Muhammad. "Clay movement in a saline-sodic soil toposequence". Title page, contents and summary only, 2001. http://web4.library.adelaide.edu.au/theses/09A/09an274.pdf.

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Includes bibliographical references (leaves 78-86) In the Herrmanns sub-catchment in the Mt. Lofty Ranges (near Mt. Torrens) soil sodicity was the dominant factor in causing clay to disperse in the eroded area along the foot slopes, wheras in non-eroded areas of the mid-slopes and on the stream banks, the dispersive power of sodicity was attenuated by the flocculative power of other soil properties.

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Ressom, Robert. "Forest ecotourism in the Mount Lofty Ranges of South Australia /". Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09ENV/09envr435.pdf.

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Farhoodi, Alireza. "Lime requirement in acidifying cropping soils in South Australia". Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phf223.pdf.

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"August 2002" Bibliography: leaves 230-254. Field sites and soils from cropping studies in the mid-north of South Australia were used to address questions of soil responses to lime and the influence of acidifying inputs. The study showed that LMWOAs associated with different stubbles can help to ameliorate toxicity through complexation with A1.

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Marchesan, Doreen. "Presence, breeding activity and movement of the yellow-footed antechinus (Antechinus flavipes), in a fragmented landscape of the southern Mt Lofty Ranges". Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09AS/09asm316.pdf.

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"September 2002" Bibliography: leaves 77-85. Examines the persistence of the yellow-footed antechinus using live trapping in small, remnant patches and strips of forest, to document autecological sata and the investgate occurrence, breeding activity and inter-patch movements. Radio-tracking was conducted to compare home range properties of lactating females in restricted and unrestricted habitat.

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Yassaghi, Ali. "Geometry, kinematics, microstructure, strain analysis, and P-T conditions of the shear zones and associated ductile thrusts in the southern Mt. Lofty Ranges/Adelaide Hills area, South Australia /". Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phy29.pdf.

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Chen, Juan. "Mobility and environmental fate of norflurazon and haloxyfop-R methyl ester in six viticultural soils of South Australia /". Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09AEVM/09aevmc518.pdf.

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Baker, Andrew K. M. "Metal geochemistry of regolith in the Mount Lofty Ranges and associated alluvial fans of the Adelaide Plains, South Australia /". Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09S.B/09s.bb167.pdf.

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Thesis (B. Sc.(Hons.)--University of Adelaide, Dept. of Geology and Geophysics, 2000.
Australian National Grid Reference Adelaide sheet SI 54-9 1:250,000. Includes bibliographical references (leaves 73-78).

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Odeh, Inakwu Ominyi Akots. "Soil pattern recognition in a South Australian subcatchment /". Title page, contents and abstract only, 1990. http://web4.library.adelaide.edu.au/theses/09PH/09pho23.pdf.

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Howard, Eliza May. "Prevalence and molecular characterisation of Trypanosoma spp. in two wild koala populations; Moreton Bay, Queensland and Mount Lofty, South Australia". Thesis, Howard, Eliza May (2022) Prevalence and molecular characterisation of Trypanosoma spp. in two wild koala populations; Moreton Bay, Queensland and Mount Lofty, South Australia. Honours thesis, Murdoch University, 2022. https://researchrepository.murdoch.edu.au/id/eprint/65905/.

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The koala (Phascolarctos cinereus) is an iconic Australian marsupial that is under threat of extinction across two thirds of its range, with populations recently listed as ‘endangered’ in Queensland (QLD), New South Wales (NSW) and the Australian Capital Territory (ACT). Many risk factors have been implicated in the koala population decline, including habitat loss, vehicle collisions, dog attack and infectious diseases such as chlamydiosis and koala immune deficiency syndrome caused by koala retrovirus (KoRV). Trypanosomes are blood-borne protozoan parasites that can infect all classes of mammals and are known to cause serious disease in humans and domestic livestock worldwide. Recent studies have identified numerous Trypanosoma species in a range of Australian marsupials, including the koala which is known to harbour up to six species in either single or mixed infections: Trypanosoma irwini, Trypanosoma gilletti, Trypanosoma copemani, Trypanosoma vegrandis, Trypanosoma noyesi and Trypanosoma sp. AB-2017. Importantly, preliminary data from analyses of hospitalised koalas in QLD suggest that trypanosome infections (alone or with concurrent diseases) may adversely affect koala health and survival. Whilst a large number of studies have been conducted on chlamydia and KoRV, there is still a paucity of research investigating the prevalence, diversity and clinical impact of trypanosomes in koalas. In particular, there is a dearth of research comprising random, representative samples from various wild koala populations across Australia, including more stable populations from South Australia (SA). This descriptive cross-sectional study utilised nested PCR, targeting partial fragments of the nuclear 18S ribosomal RNA (18S rRNA) gene, to screen blood samples from wild-caught koalas for the presence of trypanosomes. Samples were randomly collected from koalas belonging to two distinct wild populations; Moreton Bay, Queensland (QLD) (n= 72) and Mount Lofty, South Australia (SA) (n= 89). The overall prevalence of Trypanosoma in both populations was 47.2% (76/161; 95% CI: 39.3-55.2%). The prevalence of trypanosomes in koalas from Moreton Bay was 80.6% (58/72; 95% CI: 69.5-88.9%), whereas the prevalence in koalas from Mount Lofty was significantly lower: 20.2% (18/89; 95% CI: 12.4-30.1%). Sanger sequencing of PCR positive products was performed and phylogenetic analysis conducted on the partial 18S rDNA fragments obtained. A total of 35 Trypanosoma isolates from Moreton Bay koalas were identified as Trypanosoma irwini (n= 36), with intra-specific genetic variations ranging from 0% - 2.99%. Remaining QLD isolates (n=16) were identified as Trypanosoma gilletti, with genetic distances ranging from 0% - 1.20%. These results are similar to findings from previous studies of hospitalised koalas from QLD and NSW. All Trypanosoma isolates from the Mount Lofty population (n = 18) formed a unique, highly diverse clade within the Trypanosoma cruzi clade of trypanosomes. These novel sequences displayed a high genetic variation amongst each other (genetic distances = 0% - 7.04%) and from their most closely related species (T. sp 1EA-2008) (genetic distances = 1.90% - 7.73%). To the best of the author’s knowledge, this is the first report of trypanosomes in koalas from SA. The unique phylogenetic position of the isolates identified, associated with a relatively high genetic distance from their most closely related known Trypanosoma sp., suggests that they may potentially represent novel Trypanosoma spp.. Further analyses of full-length 18S sequences and additional loci are required to confirm this finding and reliably delimit the species. Sanger sequencing of seven PCR positive isolates from Moreton Bay koalas revealed mixed chromatograms and were excluded from phylogenetic analyses. Further analyses using next-generation metabarcoding are required to identify and characterise mixed trypanosome infections in all positive samples detected in the present study, particularly those that produced mixed Sanger sequencing chromatograms. This study provides valuable novel baseline data which will contribute to the growing knowledge base of Australian trypanosomes, and future studies on the potential impact of Trypanosoma spp. (with and without concurrent infectious diseases) on the health and conservation of koalas.

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Libros sobre el tema "Soils South Australia Lofty"

McArthur, W. M. Reference soils of south-western Australia. Perth, W.A: Dept. of Agriculture, Western Australia on behalf of the Australian Society of Soil Science, 1991.

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Murray, Mathison, ed. Remnant native grasslands in the Mount Lofty Ranges, South Australia. Blackwood, S. Aust: Wallowa Mallee Research Books, 2001.

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Robert, Martin. Under Mount Lofty: A history of the Stirling district in South Australia. 2^a ed. [Stirling, S. Aust.]: District Council of Stirling, 1996.

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Malcolm, C. V. Screening schrubs for establishment and survival on salt-affected soils in south-western Australia. Perth: Department of Agriculture, 1989.

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Deep Drainage Taskforce (W.A.). Deep drainage in south-west Western Australia: Making it work, not proving it wrong : report and recommendations to the Honourable Monty House MLA, Minister for Primary Industry and Fisheries. South Perth, WA: Agriculture W.A. for the Taskforce, 2000.

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International Symposium on "Manganese in Soils and Plants" (1988 Waite Agricultural Research Institute). Manganese in soils and plants: Proceedings of the International Symposium on "Manganese in Soils and Plants" held at the Waite Agricultural Research Institute, the University of Adelaide, Glen Osmond, South Australia, August 22-26, 1988, as an Australian Bicentennial event. Dordrecht: Kluwer Academic, 1988.

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Soils of south-western Australia. [East Perth, W.A.]: Ministry of Education, Western Australia, 1988.

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F, White P., ed. Long term effects of direct drilling and conventional cultivation on the distribution of nutrients and organic C in soils of South Western Australia. South Perth, W.A: Division of Plant Industries, Western Australian Dept. of Agriculture, 1989.

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White, Robert E. Soils for Fine Wines. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195141023.001.0001.

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In recent years, viticulture has seen phenomenal growth, particularly in such countries as Australia, New Zealand, the United States, Chile, and South Africa. The surge in production of quality wines in these countries has been built largely on the practice of good enology and investment in high technology in the winery, enabling vintners to produce consistently good, even fine wines. Yet less attention has been paid to the influence of vineyard conditions on wines and their distinctiveness-an influence that is embodied in the French concept of terroir. An essential component of terroir is soil and the interaction between it, local climate, vineyard practices, and grape variety on the quality of grapes and distinctiveness of their flavor. This book considers that component, providing basic information on soil properties and behavior in the context of site selection for new vineyards and on the demands placed on soils for grape growth and production of wines. Soils for Fine Wines will be of interest to professors and upper-level students in enology, viticulture, soils and agronomy as well as wine enthusiasts and professionals in the wine industry.

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Hannam, R. J., N. C. Uren y R. D. Graham. Manganese in Soils and Plants: Proceedings of the International Symposium on 'Manganese in Soils and Plants' Held at the Waite Agricultural Research Institute, the University of Adelaide, Glen Osmond, South Australia, August 22-26, 1988 As an Australian Bicentennial Event. Springer London, Limited, 2012.

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Capítulos de libros sobre el tema "Soils South Australia Lofty"

Milnes, A. R., M. J. Wright y M. Thiry. "Silica Accumulations in Saprolites and Soils in South Australia". En SSSA Special Publications, 121–49. Madison, WI, USA: Soil Science Society of America, 2015. http://dx.doi.org/10.2136/sssaspecpub26.c7.

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Paton, David C., Daniel J. Rogers y Wendy Harris. "Birdscaping the environment: restoring the woodland systems of the Mt Lofty region, South Australia". En Conservation of Australia's Forest Fauna, 331–58. P.O. Box 20, Mosman NSW 2088: Royal Zoological Society of New South Wales, 2004. http://dx.doi.org/10.7882/fs.2004.020.

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Leys, J. F. "The threshold friction velocities and soil flux rates of selected soils in south-west New South Wales, Australia". En Aeolian Grain Transport, 103–12. Vienna: Springer Vienna, 1991. http://dx.doi.org/10.1007/978-3-7091-6703-8_8.

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Slattery, J. F., W. J. Slattery y B. M. Carmody. "Influence of Soil Chemical Characteristics on Medic Rhizobia in the Alkaline Soils of South Eastern Australia". En Highlights of Nitrogen Fixation Research, 243–49. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4795-2_49.

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Baker, G. H., V. J. Barrett, P. J. Carter, J. C. Buckerfield, P. M. L. Williams y G. P. Kilpin. "Abundance of earthworms in soils used for cereal production in south-eastern Australia and their role in reducing soil acidity". En Plant-Soil Interactions at Low pH: Principles and Management, 213–18. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0221-6_30.

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Wilford, J. y M. Thomas. "Modelling soil-regolith thickness in complex weathered landscapes of the central Mt Lofty Ranges, South Australia". En Digital Soil Assessments and Beyond, 69–75. CRC Press, 2012. http://dx.doi.org/10.1201/b12728-16.

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Jaksa, M. "Modeling the natural variability of over-consolidated clay in Adelaide, South Australia". En Characterisation and Engineering Properties of Natural Soils. Taylor & Francis, 2006. http://dx.doi.org/10.1201/noe0415426916.ch30.

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Juo, Anthony S. R. y Kathrin Franzluebbers. "The Tropical Environment". En Tropical Soils. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195115987.003.0004.

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The term “tropics” refers to the continuously warm and frost-free zone of the world that lies approximately between the Tropic of Cancer (or latitude 23.5° north of the equator) and the Tropic of Capricorn (or latitude 23.5° south of the equator). The tropical region comprises approximately 36% of the world’s land surface. Geographically, the tropics encompasses the entire region of Southeast Asia, Central America, the islands in the South Pacific and the Caribbean Basin, a major part of Africa, South America, a large portion of the Indian subcontinent, and a small part of northern Australia. Within a tropical region, natural vegetation and agriculture vary with elevation and rainfall regime. Within the tropical belt, mean annual temperature at sea level is about 26 °C, and it decreases approximately 0.6 °C with every 100 m increase in elevation. On the basis of elevation, the tropics may be further divided into • lowland tropics (areas below 600 m), • midaltitude tropics (areas between 600 and 900 m), and • high-altitude tropics or tropical highlands (areas above 900 m). Tropical highlands account for 23% of the tropics whereas the low- and midaltitude regions together comprise about 87% of the total area. Tropical highlands usually have cool air temperatures with a mean annual temperature of 20 °C or lower. Rainfall on tropical highlands can be extremely variable within a short distance. Because of the year-round comfortable temperature, areas of tropical highlands with favorable rainfall and fertile soils are usually densely populated and hence intensively cultivated. Climates in the lowland and midaltitude tropics generally share three common features, namely, a year-round warm temperature, rainfall of high intensity and short duration, and a high rate of evaporation. Climates are characterized principally by mean monthly air temperature, and the amount and distribution of rainfall.

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Fitzpatrick, Rob W., P. Shand y Luke M. Mosley. "Soils in the Coorong, Lower Lakes and Murray Mouth Region". En Natural History of the Coorong, Lower Lakes, and Murray Mouth region (Yarluwar-Ruwe). Royal Society of South Australia. University of Adelaide Press, 2018. http://dx.doi.org/10.20851/natural-history-cllmm-2.9.

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White, Robert E. "What Makes a Healthy Soil?" En Understanding Vineyard Soils. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780199342068.003.0004.

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Soil scientists used to speak of soil quality, a concept expressing a soil’s “fitness for purpose.” The prime purpose was for agriculture and the production of food and fiber. However, to the general public soil quality is a rather abstract concept and in recent years the term has been replaced by soil health. A significant reason for this change is that health is a concept that resonates with people in a personal sense. This change is epitomized in the motto “healthy soil = healthy food = healthy people” on the website of the Rodale Institute in Pennsylvania (http://rodaleinstitute.org/). One consequence of this change is an increasing focus on the state of the soil’s biology, or life in the soil, an emphasis that is expressed through the promotion of organic and biodynamic systems of farming. Viticulture and winemaking are at the forefront of this trend. For example, Jane Wilson (2008), a vigneron in the Mudgee region of New South Wales, is quoted as saying, “the only way to build soil and release a lot of the available minerals is by looking after the biology,” and Steve Wratten (2009), professor of ecology at Lincoln University in New Zealand has said, “Organic viticulture rocks! It’s the future, it really is.” This exuberance has been taken up by Organic Winegrowers New Zealand, founded only in 2007, who have set a goal of “20 by 2020,” that is, 20% of the country’s vineyards under certified organic management by the year 2020. The Cornell Soil Health Assessment provides a more balanced assessment of soil health (Gugino et al., 2009). The underlying concept is that soil health is an integral expression of a soil’s chemical, physical, and biological attributes, which determine how well a soil provides various ecosystem functions, including nutrient cycling, supporting biodiversity, storing and filtering water, and maintaining resilience in the face of disturbance, both natural and anthropogenic. Although originally developed for crop land in the northeast United States, the Cornell soil health approach is readily adapted to viticulture, as explained by Schindelbeck and van Es (2011), and which is currently being attempted in Australia (Oliver et al., 2013; Riches et al., 2013).

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Actas de conferencias sobre el tema "Soils South Australia Lofty"

Danielle P Oliver, Jim W Cox, Rai S Kookana y Jenny S Anderson. "Off-site Transport of Pesticides in Mt. Lofty Ranges, South Australia, Australia: The Importance of Partitioning Processes". En TMDL 2010: Watershed Management to Improve Water Quality Proceedings, 14-17 November 2010 Hyatt Regency Baltimore on the Inner Harbor, Baltimore, Maryland USA. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.35747.

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Kariyawasam, Champika. "Invasive ranges of gorse in the Mount Lofty Ranges of South Australia and Sri Lanka". En 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/108132.

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James W Cox, Danielle P Oliver, Nigel K Fleming y Jenny S Anderson. "Characterization of the transport of sediment and nutrients in the Mt Lofty Ranges watershed, South Australia". En TMDL 2010: Watershed Management to Improve Water Quality Proceedings, 14-17 November 2010 Hyatt Regency Baltimore on the Inner Harbor, Baltimore, Maryland USA. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.35748.

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Smith-Briggs, Jane, Dave Wells, Tommy Green, Andy Baker, Martin Kelly y Richard Cummings. "The Australian National Radioactive Waste Repository: Environmental Impact Statement and Radiological Risk Assessment". En ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4865.

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The Environmental Impact Statement (EIS) for the proposed Australian National Repository for low and short-lived intermediate level radioactive waste was submitted to Environment Australia for approval in the summer of 2002 and has subsequently undergone a consultancy phase with comments sought from all relevant stakeholders. The consultancy period is now closed and responses to the comments have been prepared. This paper describes some of the issues relevant to determining the radiological risk associated with the repository to meet the requirements of the EIS. These include a brief description of the three proposed sites, a description of the proposed trench design, an analysis of the radioactive waste inventory, the proposed approach to developing waste acceptance criteria (WAC) and the approach taken to determine radiological risks during the post-institutional control phase. The three potential sites for the repository are located near the Australian Department of Defence site at Woomera, South Australia. One site is inside the Defense site and two are located nearby, but outside of the site perimeter. All have very similar, but not identical, topographical, geological and hydrogeological characteristics. A very simple trench design has been proposed 15 m deep and with 5 m of cover. One possible variant may be the construction of deeper borehole type vaults to dispose of the more active radioactive sources. A breakdown of the current and predicted future inventory will be presented. The current wastes are dominated in terms of volume by some contaminated soils, resulting from experiments to extract U and Th, and by the operational wastes from the HIFAR research reactor at ANSTO. A significant proportion of the radionuclide inventory is associated with small volumes of sources held by industry, medical, research and defence organisations. The proposed WAC will be described. These are based on the current Australian guidelines and best international practice. The preliminary radiological risk assessment considered the post-institutional control phase in detail with some 12 scenarios being assessed. These include the impact of potential climate change in the region. The results from the risk assessment will be presented and discussed. The assessment work is continuing and will support the license application for construction and operation of the site. Please note that this is not the final assessment for the licence application.

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