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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
371

Relationships of South-East Australian species of Senecio (Compositae) deduced from studies of morphology, reproductive biology and cytogenetics / by Margaret Elizabeth Lawrence

Lawrence, Margaret Elizabeth January 1981 (has links)
Typescript (photocopy) / Title on spine: Morphology, reproductive biology and cytogenetics of Australian species of Senicio L (Compositae) / 2 v. : ill., maps ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Botany, 1982
372

Training the trainers /

Gardiner, Ann Unknown Date (has links)
Thesis (MEd (Human Resource Studies)) -- University of South Australia, 1994
373

Countertrade and the internationalisation of the Australian firm.

Fletcher, Richard January 1996 (has links)
This thesis seeks to broaden our understanding of the nature, causes and consquences of countertrade in the context of the internationalisation of the firm. A comprehensive review and assessment of previous research is presented, including a discussion of how countertrade fits within the context of the various models of the internationalisation process. An analytical framework is presented for studying a number of dimensions of internationalisation (viz forms of international behaviour and international orientation) and possible causes and effects. The forms of internatioalisation invole outward, inward linked forms (such as countertrade). Based on the literature relating to internationalisation, a number of hypotheses are developed relating various management and firms' characteristics to predisposition to countertrade. These were tested using both bi-variate and multi-variate techniques which involved the use of data generated from a nationwide sample of Australian manufacturing firms. Generally the results of the bi-variate analysis supported the hypothesis showing that the factors which predict outward driven internationalisation also tend to predict countertrade. The analysis involved three measures of internationalisation and four measures of countertrade. Firms were then grouped according to various measures of predisposition towards countertrade. Using discriminant analysis, these groups of firms were profiled according to factors found to predict countertrade in the bivariate analysis. In order to further explore the relationship between internationalisation and countertrade, firms were also grouped according to their degree of internationalisation and strength of their predisposition towards countertrade. Firms in each group were then profiled using bi-variate and multi-variate analysis. These profiles provide potentially useful classifications of firms as possible bases for targeting and designing government assistance programs. Finally, three case studies of countertrade transactions by Australian firms were undertaken using the network approach which facilitates a deeper understanding of countertrade in the context of internationalisation. In each case the networks of relationships involved were analysed at both inception and maturity, to further explore how countertrade influenced the internationalisation of the Australian firm. It was found that although the transactions would not have occurred without countertrade, in all cases countertrade led to further international business which in some instances did not require countertrade.
374

Evaluation and 21st century projections of global climate models at a regional scale over Australia

Perkins, Sarah Elizabeth, Biological, Earth & Environmental Sciences, Faculty of Science, UNSW January 2010 (has links)
This thesis explores the ability of global climate models (GCMs) to simulate observed conditions at regional scales by examining probability density functions (PDFs) of daily minimum temperature (Tmin), maximum temperature (Tmax) and precipitation (P). Two new measures of model skill are proposed using PDFs of observed and modelled data. The first metric (Sscore) compares the amount of overlap between the two PDFs. The second metric (Tailskill) is the weighted difference between the PDF tails, where extreme events are represented. The resulting measures of skill are used to differentiate, at a regional scale, between weaker and stronger models. It is investigated whether the weaker models bias future projections given by multi-model ensembles, increasing the uncertainty in the range of projected values and the change from the 20th Century. The Sscore is demonstrated to be robust against inhomogenities found in highdensity Australian datasets, and is a simple and quantitative measure of how well each GCM can simulate all observed events. This methodology is executed for twelve Australian regions of varying climates for all Intergovernmental Panel on Climate Change 4th Assessment Report models for which daily data was available for 1961-2000. Across Tmin, Tmax and P some GCMs perform well, demonstrating that some GCMs provide credible simulations of climate at sub-continental scales. Projections of the annual and seasonal mean and yearly return values over the A2 and B1 emission scenarios are investigated. Models are omitted from an ensemble based on their ability to simulate the observed PDF at regional scales. The stronger models are generally in agreement with the change in mean values, particularly for Tmin and Tmax, though it is shown that they vary in their projections of the yearly return value at least twice as much as projections in the mean values. Lastly, a means-based evaluation method, the Sscore and the Tailskill are employed to differentiate between weaker and stronger models for projections in the 20-year return value of Tmin and Tmax. Weaker-skilled ensembles project larger increases in 20-year return values than stronger-skilled ensembles, such that in some regions for maximum temperature the ensembles are statistically significantly different. Demonstrably weaker models bias projections given by an all-model ensemble and should be excluded so the most reliable estimates of future climate can be obtained.
375

Countertrade and the internationalisation of the Australian firm.

Fletcher, Richard January 1996 (has links)
This thesis seeks to broaden our understanding of the nature, causes and consquences of countertrade in the context of the internationalisation of the firm. A comprehensive review and assessment of previous research is presented, including a discussion of how countertrade fits within the context of the various models of the internationalisation process. An analytical framework is presented for studying a number of dimensions of internationalisation (viz forms of international behaviour and international orientation) and possible causes and effects. The forms of internatioalisation invole outward, inward linked forms (such as countertrade). Based on the literature relating to internationalisation, a number of hypotheses are developed relating various management and firms' characteristics to predisposition to countertrade. These were tested using both bi-variate and multi-variate techniques which involved the use of data generated from a nationwide sample of Australian manufacturing firms. Generally the results of the bi-variate analysis supported the hypothesis showing that the factors which predict outward driven internationalisation also tend to predict countertrade. The analysis involved three measures of internationalisation and four measures of countertrade. Firms were then grouped according to various measures of predisposition towards countertrade. Using discriminant analysis, these groups of firms were profiled according to factors found to predict countertrade in the bivariate analysis. In order to further explore the relationship between internationalisation and countertrade, firms were also grouped according to their degree of internationalisation and strength of their predisposition towards countertrade. Firms in each group were then profiled using bi-variate and multi-variate analysis. These profiles provide potentially useful classifications of firms as possible bases for targeting and designing government assistance programs. Finally, three case studies of countertrade transactions by Australian firms were undertaken using the network approach which facilitates a deeper understanding of countertrade in the context of internationalisation. In each case the networks of relationships involved were analysed at both inception and maturity, to further explore how countertrade influenced the internationalisation of the Australian firm. It was found that although the transactions would not have occurred without countertrade, in all cases countertrade led to further international business which in some instances did not require countertrade.
376

The Biological And Financial Impact Of Ovine Johne’s Disease In Australia

Bush, Russell David January 2006 (has links)
Doctor of Philosophy(PhD) / This study was conducted to provide accurate information about the impact of OJD on sheep mortality and financial status on infected farms in Australia. Industry considered this research to be important because little credible information was available regarding the magnitude of the OJD problem and the responses required to control and manage OJD in southern Australia. This 3-year study, conducted on 12 OJD-infected farms in southern NSW, commenced with a 12-month observational study in 2002. During this year OJD mortality estimates were derived from farm records (livestock inventories) and quarterly farm visits (necropsy inspections). Questionnaires, climatic records and pasture samples enabled a detailed description of each farm to be made and a single collection of blood and faecal samples provided OJD prevalence information for specific age cohorts of sheep in each flock. The financial impact of OJD was established using two approaches, a gross margin analysis and the provision of a financial value on the mortalities inspected during the necropsy inspection periods. For a further 2 years, inventory and management information was collected from each of the twelve farms to provide 2003 and 2004 estimates for OJD mortality and financial loss due to OJD based on gross margin analyses. A more detailed gross margin model was developed that has the capacity to compare three disease status scenarios (uninfected, infected and vaccinated) for a number of different sheep production enterprises. These enterprises include fine, medium and strong wool Merino ewes and wethers as well as 1st and 2nd cross lamb production. From the four 5-day necropsy inspections conducted in 2002, a most likely cause of death was determined for 362 necropsied sheep on the basis of findings related to the environment, clinical signs, gross pathology and histopathology. Of these, OJD was most likely to have contributed to the death of 250 sheep, OJD was unlikely to have contributed to the death of 1 sheep and OJD did not contribute to death of 111 sheep. During 2002, across the 12 farms, there were a total of 52,718 wethers and 47,374 ewes at-risk of becoming infected with OJD. The distribution of mortalities in each sex group translates to an OJD mortality rate of 4.3% among wethers and 4.9% among ewes. Distribution across inspection periods showed a trend among OJD-related necropsies and total necropsies with the majority occurring in winter (31%) and spring (35%) and fewer in autumn (18%) and summer (16%). Across the 12 farms, the annual OJD mortality rate ranged from 1.8% to 17.5% during the 3-year study with mean annual figures of 6.2% in 2002, 7.8% in 2003 and 6.4% in 2004. Of concern is the fact that these mean OJD mortality figures were all above the accepted annual mortality rate from all causes for adult sheep of 4-6% (McGregor et al., 2003) for Australian flocks. Gross margins were calculated for each of the 12 farms assuming each farm was free of OJD and then these were compared with the actual farm gross margin. The mean percentage decrease in gross margin due to a farm being infected with OJD was 6.4% in 2002, 8.5% in 2003 and 7.4% in 2004. This equates to a mean reduction in annual income of $15,000 per farm in 2002, $12,154 in 2003 and $13,991 in 2004. Using the necropsy inspection information the mean estimated cost of OJD losses on the 12 farms over 2002 was $60,500 (range $10,978 to $150,836). The estimated cost of OJD losses accounted on average for 69.4% (range 19.4% to 100%) of the estimated total loss related to sheep deaths over the 12-month period. The OJD prevalence in 2-year old sheep in 2002 based on pooled faecal culture (PFC) ranged from 0.7% to > 23% on the 12 farms and was found to be associated with OJD mortality rate (P = 0.02). In contrast, no significant relationship was found between faecal excretion rate of MAP in two-year old sheep based on PFC and OJD mortality rate, or between age-related OJD seroprevalence and OJD mortality rate. The association between various environment, management and disease factors and quarterly OJD mortality rate was analysed and several factors (including flock size, stocking rate, area of improved pasture and weaning age) were identified as being important for further investigation. Definite conclusions based on statistical analysis could not be made due to the small number of farms and use of whole flock data. However, the results provide strong support for an additional study, involving a large number of farms and focusing on a specific sheep cohort, to identify the major risk factors for OJD. The necropsy study in 2002 established 31% of deaths were due to causes other than OJD and could have been prevented in most cases. More than half (63%) of the non-OJD deaths were attributed to malnutrition, with 57% of these deaths occurring on one farm where pregnancy toxaemia resulted from sheep receiving inadequate nutrition in late pregnancy. Many of these deaths could have been prevented with earlier feeding. The occurrence of grain poisoning on some farms reinforces the need for improved strategies when supplementary feeding. Under more favourable seasonal conditions these nutritional syndromes are unlikely to occur. Sporadic drought conditions throughout the 3-year study period, for each of the four study regions, were likely to have a minimal effect on measuring the impact of OJD on the 12 farms. At the end of 2002, following the realisation the drought would likely persist into 2003, the 12 farms on average selectively reduced flock numbers by 25%. However, this reduction is unlikely to have had an adverse effect on establishing the proportion of OJD mortalities as stock reductions occurred mainly towards the end of 2002 and the sheep most likely to be sampled at each necropsy inspection period were unlikely to be sold, as they displayed low body condition score and showed signs of weakness. A gross margin model was developed to provide an estimate of the on-farm cost of OJD. Non-infected, infected (status quo) and infected (vaccination) disease scenario examples were run for 1000 head Merino ewe and wether enterprises as well as first and second cross prime lamb enterprises. The total cost of OJD (relative to an uninfected status) and an avoidable cost of OJD (using GudairTM vaccination) were reported at four investment horizons to illustrate the cost of an OJD infection on a flock as well as the potential cost saving if a control strategy involving vaccination is implemented. Although vaccination reduces OJD mortalities, there is still an unavoidable cost incurred by the producer when compared to an uninfected flock. Results are presented as cumulative gross margin per dry sheep equivalent expressed in net present value terms (GM (NPV)/DSE) at 5, 10, 15 and 20-year intervals to enable a comparison between enterprises. The model suggests a vaccination breakeven point is achieved in two to three years for breeding enterprises if the level of OJD is high. If the level of OJD is low a vaccination breakeven point is achieved in three years for either a 1st cross or 2nd cross enterprise and seven years for a Merino ewe enterprise. The Merino ewe enterprises take the longest time to reach a vaccination breakeven point as more young sheep are retained annually for breeding in addition to the cost involved with vaccinating lambs, which is borne by all three breeding enterprises. The returns to vaccination are greatest for the 1st and 2nd cross lamb enterprises due to the value and number of lambs sold annually. With Merino wethers a vaccination breakeven point is reached in year one for all disease categories due to vaccinated replacement hoggets being introduced to provide an immediate response in reducing OJD mortalities, however as no breeding occurs the ability to increase income is limited. In the absence of OJD mortalities with the at-risk disease category, a vaccination breakeven point is not reached within the model’s 20-year time frame for any of the enterprises. This study provided the first objective data on the true impact of OJD on 12 farms, and the findings are generally applicable to sheep flocks in southern Australia. Industry groups claiming that OJD does not present a threat on-farm can now be provided with accurate figures on direct losses attributable to OJD within the endemic area of NSW. There was a wide range of impacts, with some very high mortality rates. The data can be used to justify vaccination programs, other control options and the general concept of disease control and prevention. The challenge now for industry is the design and implementation of an education and extension package that can incorporate these findings and the gross margin model along with other recent research findings to address issues of misinformation about OJD and inform producer decisions regarding on-farm disease control.
377

Presentation counts : promotional techniques, the entrepreneurial spirit and enterprise in South Australian primary and secondary education, 1836-c.1880

Young, Marisa January 2005 (has links)
From brochures in garden letterboxes to internet homepages, Australian schools now seek to attract enrolments through an array of positive representations of school life. Educational promotion is not a new phenomenon, even though some comments in the media may suggest otherwise. Australian educators to date know relatively little about the early development of educational promotion, despite historians? use of printed school advertisements as sources for information. The research questions posed here asks how entrepreneurial educators promoted the development of primary and secondary education in colonial South Australia.
378

We just do things a little differently here : a critical analysis of visual arts exchange between Malaysia and Australia from 1983 to 2001

Stacey, Helen January 2004 (has links)
This thesis critically analyses visual arts exchange between Australia and Malaysia from 1983 to 2001. In the last decade Australia's arts community has shown increased interest in contemporary Asian art. However there is little evidence of specific interest in Malaysian visual arts practice, despite strong associations between the two countries over many decades. Relations between Malaysia and Australia are problematised by complex political, cultural and religious factors, particularly evident over the last decade when diplomatic tensions escalated. Despite these factors, there has been little research on this subject and no major comprehensive critical analysis of cross-cultural visual arts exchange between the two countries. Although the last major visual arts exhibition from Malaysia to Australian state galleries took place between 1969 and 1970, there has been substantial interaction between artists, curators and arts institutions in both countries. From 1983 bilateral visual arts exchange activities expanded and diversified, particularly in the 1990s. Australia has been considered pivotal in assisting the development of contemporary arts in Malaysia. In this regard personal-professional connections on many levels performed an instrumental, if invisible, role in the realisation of exchange programs. This thesis examines issues of cross-cultural engagement and argues that personal-professional considerations are vital to achieving successful outcomes over a longer term period. While official institutions, such as the Australian High Commission in Malaysia, and other agencies in both countries have also been crucial in cultural exchange programs, the involvement of other non-government agencies and individuals has been particularly significant. In this thesis three case studies examine this nexus of government and non-government participants. The projects discussed demonstrate that although outcomes from artist-to-artist or institution-to-institution exchange may not be immediately apparent, benefits may become evident over an extended period of time. While undeniably more complex, projects that involve collaboration and reciprocity tend to yield successful outcomes and consolidate ongoing partnerships. In turn, such projects can provide models for further exchange activity. While not directly serving diplomatic agendas they may nevertheless benefit official and unofficial bilateral relations. In recent years Australian government policy has shifted regional priorities away from the South East Asian region. Nevertheless, while official cultural relations programs have diminished, many visual arts activities instigated between 1998 and 2001 continue to yield beneficial outcomes. This thesis argues that while limits may exist in government policy, programs and funding, collaborative and reciprocal visual arts exchange activities that involve cross-cultural enquiry and cooperation, supported by personal-professional connections, can affirm a positive Australian presence in the region and strengthen bilateral relationships at official and unofficial levels. / thesis (MVisualArts)--University of South Australia, 2004.
379

The Australian garden city: a planning history 1910-1930

Freestone, Robert January 1985 (has links)
"September, 1984". / Thesis (PhD)--Macquarie University, Centre for Environmental and Urban Studies, 1985. / Includes bibliography : leaves 405-418, and index. / Introduction -- The peaceful path to real reform -- The garden city movement -- An international phenomenon -- Australia: setting the scene -- Importing the garden city -- Overview of theory and practice -- An environmental ideal -- Garden city principles -- Garden towns -- Garden villages -- Garden suburbs -- The metropolitan scale -- Conclusion. / The garden city tradition in estate and metropolitan design derived its name from the garden cities advocated by Ebenezer Howard in To-Morrow (1898). A major force in the history of British planning, its influence was felt around the world. This thesis is the first overview of Australian theory and practice, focusing on the period between 1910 and 1930. Five basic tasks are attempted: an outline of the original garden city idea; an examination of the general ideology and organization of the garden city movement; clarification of the international context; specification of the general character and distinctiveness of garden city advocacy in Australia; and a systematic record of actual projects. -- The discussion indicates that the nature of the Australian response reflected the interaction of imported ideas with local circumstances. As in other countries, Howard's 'peaceful path' to 'a better a brighter civilization' was not fully followed. Instead, the garden city assumed three main guises. First, it functioned as an inspirational environmental ideal. Second, it brought together concrete principles for improved lay out that were advocated for and implemented in three different settings: special purpose 'garden towns'; 'tied' housing estates for industrial employees; and residential suburbs and subdivisions. These 'garden suburbs' dominated the local scene but, as with the other developments, translation of the ideal into reality was imperfect, being deleteriously affected by financial, political, and administrative factors in particular. Third, and at a larger scale, the garden city helped to introduce certain tentative ideas regarding the desirable size, shape and structure of the metropolis. -- The approach adopted is basically empirical, with the most important source material being the contemporary Australian planning literature. The structure is best described as 'stratified chronology'. The analytical framework combines three main approaches to planning historiography: the societal (setting planning events and developments in their broadest economic, political, cultural, and institutional context), the biographical (emphasizing the important role of individuals in the importation, diffusion and implementation of garden city thought), and the morphological (a spatial emphasis involving an inventory of landscape impacts). The major theme permeating the thesis is that of the 'diluted legacy': the drift in the garden city tradition away from Howard's holistic, radical manifesto through liberal environmental reforms to actual schemes which compromised or even totally contradicted the original idea in physical, economic and social terms. The extension and conceptualization of this idea provides one of several important areas for future research highlighted by the thesis. / Mode of access: World Wide Web. / xi, 424 leaves ill
380

The organisation of timber production in the hardwood forests of Western Australia

Hartley, Arthur E Unknown Date (has links)
Chapter 1. The hardwood forests of Western Australia -- 2. Sustained yield management and its influence upon timber production -- The influence of technical developments upon sawmilling operations -- Labour organisation and sawmilling practice -- The rationalisation of the production of timber -- Future prospects for Western Australian hardwoods

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