Academic literature on the topic 'Land speculation – Australia'
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Journal articles on the topic "Land speculation – Australia"
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WILLIAMS, DAVID J., MARK O'SHEA, ROLAND L. DAGUERRE, CATHARINE E. POOK, WOLFGANG WÜSTER, CHRISTOPHER J. HAYDEN, JOHN D. MCVAY, et al. "Origin of the eastern brownsnake, Pseudonaja textilis (Dumeril, Bibron and Dumeril) (Serpentes: Elapidae: Hydrophiinae) in New Guinea: evidence of multiple dispersals from Australia, and comments on the status of Pseudonaja textilis pughi Hoser 2003." Zootaxa 1703, no. 1 (February 13, 2008): 47. http://dx.doi.org/10.11646/zootaxa.1703.1.3.
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Pseudonaja textilis is a widespread and common snake in eastern parts of Australia, but its distribution in New Guinea is poorly understood, and the origin of the New Guinea populations and its timing have been the subject of much speculation. Phylogenetic analysis of mitochondrial DNA sequences from three New Guinea populations of P. textilis indicates that New Guinea was colonised from two independent eastern and western migration routes most likely in the Pleistocene. One dispersal event from northern Queensland led to the populations in eastern New Guinea (Milne Bay, Oro and Central Provinces, Papua New Guinea), whereas another, from Arnhem Land to central southern New Guinea, led to the populations from the Merauke area, Indonesian Papua. The results are consistent with the effects of Pleistocene sea level changes on the physical geography of Australasia, and are thus suggestive of a natural rather than anthropogenic origin of the New Guinea populations. The taxonomic status of the New Guinean populations is discussed.
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Ahmad, Waqar, Balwant Singh, Ram C. Dalal, and Feike A. Dijkstra. "Carbon dynamics from carbonate dissolution in Australian agricultural soils." Soil Research 53, no. 2 (2015): 144. http://dx.doi.org/10.1071/sr14060.
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Land-use and management practices on limed acidic and carbonate-bearing soils can fundamentally alter carbon (C) dynamics, creating an important feedback to atmospheric carbon dioxide (CO2) concentrations. Transformation of carbonates in such soils and its implication for C sequestration with climate change are largely unknown and there is much speculation about inorganic C sequestration via bicarbonates. Soil carbonate equilibrium is complicated, and all reactants and reaction products need to be accounted for fully to assess whether specific processes lead to a net removal of atmospheric CO2. Data are scarce on the estimates of CaCO3 stocks and the effect of land-use management practices on these stocks, and there is a lack of understanding on the fate of CO2 released from carbonates. We estimated carbonate stocks from four major soil types in Australia (Calcarosols, Vertosols, Kandosols and Chromosols). In >200-mm rainfall zone, which is important for Australian agriculture, the CaCO3-C stocks ranged from 60.7 to 2542 Mt at 0–0.3 m depth (dissolution zone), and from 260 to 15 660 Mt at 0–1.0 m depth. The combined CaCO3-C stocks in Vertosols, Kandosols and Chromosols were about 30% of those in Calcarosols. Total average CaCO3-C stocks in the dissolution zone represented 11–23% of the stocks present at 0–1.0 m depth, across the four soil types. These estimates provide a realistic picture of the current variation of CaCO3-C stocks in Australia while offering a baseline to estimate potential CO2 emission–sequestration through land-use changes for these soil types. In addition, we provide an overview of the uncertainties in accounting for CO2 emission from soil carbonate dissolution and major inorganic C transformations in soils as affected by land-use change and management practices, including liming of acidic soils and its secondary effects on the mobility of dissolved organic C. We also consider impacts of liming on mineralisation of the native soil C, and when these transformations should be considered a net atmospheric CO2 source or sink.
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Wroe, S. "A review of terrestrial mammalian and reptilian carnivore ecology in Australian fossil faunas, and factors influencing their diversity: the myth of reptilian domination and its broader ramifications." Australian Journal of Zoology 50, no. 1 (2002): 1. http://dx.doi.org/10.1071/zo01053.
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The notion that Australia’s large, terrestrial carnivore faunas of the middle Tertiary to Pleistocene were dominated by reptiles has gained wide acceptance in recent decades. Simple but sweeping hypotheses have been developed seeking to explain this perceived ecological phenomenon. However, a review of the literature does not support these interpretations, which are based on largely speculative and, in many cases, clearly erroneous assumptions. Few size estimates of fossil reptilian taxa are based on quantitative methodology and, regardless of method, most are restricted to maximum dimensions. For species of indeterminate growth, this practice generates misleading perceptions of biological significance. In addition to misconceptions with respect to size, much speculation concerning the lifestyles of large extinct reptiles has been represented as fact. In reality, it has yet to be demonstrated that the majority of fossil reptiles underpinning the story of reptilian domination were actually terrestrial. No postcranial evidence suggests that any Australian mekosuchine crocodylian was less aquatic than extant species, while a semi-aquatic habitus has been posited for madtsoiid snakes and even the giant varanid, Megalania. Taphonomic data equivocally supports the hypothesis that some Australian mekosuchines were better adapted to life on land than are most extant crocodylians, but still semi-aquatic and restricted to the near vicinity of major watercourses. On the other hand, the accelerating pace of discovery of new large mammalian carnivore species has undermined any prima facie case for reptilian supremacy regarding pre-Pleistocene Australia (that is, if species richness is to be used as a gauge of overall impact). However, species abundance and consumption, not richness, are the real measures. On this basis, even in Pleistocene Australia, where species richness of large mammalian carnivores was relatively low, available data expose the uncommon and geographically restricted large contemporaneous reptiles as bit players. In short, the parable of a continent subject to a Mesozoic rerun, wherein diminutive mammals trembled under the footfalls of a menagerie of gigantic ectotherms, appears to be a castle in the air. However, there may be substance to some assertions. Traditionally, erratic climate and soil-nutrient deficiency have been invoked to explain the perception of low numbers or relatively small sizes of fossil mammalian carnivore taxa in Australia. But these arguments assume a simple and positive relationship between productivity, species richness and maximum body mass and either fail to recognise, or inappropriately exclude, other factors. Productivity has undoubtedly played a role, but mono-factorial paradigms cannot account for varying species richness and body mass among Australia’s fossil faunas. Nor can they explain differences between Australian fossil faunas and those of other landmasses. Other factors that have contributed include sampling bias, a lack of internal geographic barriers, competition with large terrestrial birds and aspects of island biogeography unique to Australia, such as landmass area and isolation, both temporal and geographic.
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Brown, Lauren. "The enigmatic palaeoecology and palaeobiogeography of the giant, horned, fossil turtles of Australasia: a review and reanalysis of the data." Herpetological Journal, Volume 29, Number 4 (October 1, 2018): 252–63. http://dx.doi.org/10.33256/29.4.252263.
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The distribution pattern of the bizarre Australasian giant, horned, fossil turtles of the clade Meiolaniidae has puzzled biogeographers since their discovery late in the nineteenth century. While their distribution suggests a Gondwanan origin, the lack of fossil evidence from key times and places has inhibited a better understanding of their dispersal pathways to Australia and the south-west Pacific islands in which their fossils have been found. Much palaeoecological speculation related to their dispersal capabilities, ranging from purely terrestrial to freshwater, estuarine, and saltwater lifestyles, has been proposed to explain their enigmatic presence across a wide swath of Oceania. Various lines of fossil, anatomical and ecological evidence now strongly suggest a highly terrestrial lifestyle, and we believe these traits, reinforced by an abundance of marine predators and ever-widening saltwater gaps between land areas during the Late Mesozoic and Tertiary, minimise the importance of saltwater dispersal as an explanation for the observed meiolaniid distribution pattern. Here we propose that the fragmentation of Gondwana provided the main dispersal vehicle for the meiolaniids and that land connections were also used to access suitable habitats and expand their range. The recently recognised continent of Zealandia, along with Australia, South America, and probably Antarctica, transported all known meiolaniid turtles to their present locations. However, ice cover on Antarctica, and the nearly total submergence of Zealandia in essence preclude the current likelihood of fossil discovery in these critical locations. The islands of New Caledonia, Tiga (in the Loyalty Islands), Walpole, and Lord Howe served as refugia for Zealandia meiolaniids as the continent submerged.
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D. Kirkland, Peter. "Epidemic viral diseases of wildlife ? sudden death in tammar wallabies, blind kangaroos, herpesviruses in pilchards ? what next?" Microbiology Australia 26, no. 2 (2005): 82. http://dx.doi.org/10.1071/ma05082.
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In Australia the impact of European settlement on the indigenous human population and on flora and fauna is inevitably the subject of ongoing speculation. Major changes have occurred as a result of urban and rural developments and the introduction of agricultural practices which collectively impact on the environment and ecosystems especially through land clearing, water use and modification of water courses and water catchments. From both a human and animal health perspective, the changes as viewed by the general public are perhaps not always apparent but the impacts are no less significant. A range of microbial pathogens, parasites and other pests have been introduced to populations that often have not encountered these challenges before. Our indigenous wildlife populations have not been immune from these threats. And, if we include aquatic as well as terrestrial species of ?wildlife?, and venture to our immediate coastline, in recent years there has been profound evidence of the impact that follows the introduction of an exotic pathogen.
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Renes, Cornelis M. B. "Alexis Wright’s The Swan Book: Indigenous-Australian Swansong or Songline?" Humanities 10, no. 3 (July 15, 2021): 89. http://dx.doi.org/10.3390/h10030089.
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The Swan Book (pub. 2013) by the Indigenous-Australian author Alexis Wright is an eco-dystopian epic about the Indigenous people’s tough struggle to regain the environmental balance of the Australian continent and recover their former habitat. The book envisions a dire future in which all Australian flora and fauna—humans included—are under threat, suffering, displaced, and dying out as the result of Western colonization and its exploitative treatment of natural resources. The Swan Book goes beyond the geographical and epistemological scope of Wright’s previous two novels, Plains of Promise (pub. 1997) and Carpentaria (pub. 2006) to imagine what the Australian continent at large will look like under the ongoing pressure of the Western, exploitative production mode in a foreseeable future. The occupation of Aboriginal land in Australia’s Northern Territory since 2007 has allowed the federal government to intervene dramatically in what they term the dysfunctional remote Aboriginal communities; these are afflicted by transgenerational trauma, endemic domestic violence, alcoholism, and child sexual and substance abuse—in themselves the results of the marginal status of Indigeneity in Australian society—and continued control over valuable resources. This essay will discuss how Wright’s dystopian novel exemplifies an Indigenous turn to speculative fiction as a more successful way to address the trials and tribulations of Indigenous Australia and project a better future—an enabling songline rather than a disabling swansong.
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Mo, Matthew. "Red-eared Sliders Trachemys scripta elegans in southern Sydney, including new incursions." Australian Zoologist 40, no. 2 (December 2019): 314–25. http://dx.doi.org/10.7882/az.2018.022.
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The invasive Red-eared Slider Trachemys scripta elegans has spread extensively, forming naturalised populations on all continents except Antarctica. Ranked among the 100 worst invasive species, there are biosecurity concerns that native turtles become outcompeted and displaced, as well as other speculative impacts. The actual ecological impacts in Australia have not been properly studied, however impacts shown in other countries are concerning. Incursions have presented in New South Wales, Queensland, Victoria, Western Australia and the Australian Capital Territory. A number of sightings have been reported from southern Sydney, including six sites where more than one slider has persisted. The incursions at Yeramba Lagoon in the Georges River National Park and the Centennial Parklands have been the most documented, whereas incursions in the Lime Kiln Bay Wetland, Rockdale Wetlands Corridor and Audley in the Royal National Park appear to have occurred recently. To date, breeding in southern Sydney has only been confirmed at Yeramba Lagoon. A range of removal techniques have been successfully applied to eradicate isolated incursions in Brisbane and Melbourne. However, these options are difficult to implement in southern Sydney sites where incursions occur in high visitation public lands.
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Langford, Alexandra. "A ‘Rule of Thumb’ and the Return on Investment: The role of valuation devices in the financialization of Northern Australian pastoral land." Valuation Studies 8, no. 2 (January 20, 2022): 37–60. http://dx.doi.org/10.3384/vs.2001-5992.2021.8.2.37-60.
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Northern Australian pastoral land prices have become higher and more volatile over the last twenty years, raising concerns about the potential implications of the financialization of the industry. These prices are not inevitable results of market forces, but mediated and co-constructed by a range of actors using two valuation devices: the ‘Beast Area Value’, a ‘rule of thumb’ which emerged during the early development of the industry, and the ‘Return on Investment’, a tool widely used to compare financial ventures. The Beast Area Value treats land as a commodity whose value is derived from its physical characteristics, while the Return on Investment treats land as an asset whose value is based on its future income generation potential. This article describes how some pastoral companies are strategically combining these devices to earn capital gains through ‘speculative development’ of properties in ways that do not necessarily increase their productivity. It argues that pastoral land is often developed in ways more reflective of the valuation devices used in the region than of the realities of station management, representing a shift from competing in the sphere of production to competing in the sphere of valuation and implicating these devices in the financialization of Northern Australian land.
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Stevenson-Clarke, Peta, and Bradley Bowden. "Difference of purpose: The usage of railway accounts in Victoria and Queensland (1880–1900), a comparative study." Accounting History 23, no. 1-2 (May 30, 2017): 231–51. http://dx.doi.org/10.1177/1032373217708799.
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In both the New and Old Worlds, the railways were invariably the largest business enterprises of the nineteenth century in terms of both employment and capitalisation. This article explores whether Australia’s railroads were also seminal institutions for the employment of accountants and the advance of their discipline, through a consideration of the effects of commonalities and differences with the American experience. Commonalities exist in the similar roles played by American and Australian railways in the global economy, while differences principally relate to ownership structure – the former being privately owned and the latter state-owned. State ownership is found to have had a more significant influence than economic commonalities. Financial accounting was retarded due to (1) dealings with investment markets being the responsibility of Parliamentarians and (2) the abstinence of Australian railways from financial endeavours such as land speculation. The domination of cost accounting by professional engineers also left little room for qualified accountants.
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Gibson, Chris. "Economic geography, to what ends? From privilege to progressive performances of expertise." Environment and Planning A: Economy and Space 51, no. 3 (February 6, 2019): 805–13. http://dx.doi.org/10.1177/0308518x19829084.
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Recent Exchanges have focused on economic geography’s purported ‘decline’ and its patriarchal and generational privilege, asking ‘who speaks’ for the subdiscipline. This Exchanges piece asks another kind of existential question: what ends does economic geography serve? And how is economic geographical expertise marshalled and performed towards such ends – especially beyond the British context, where much of the debate has focused? Drawing briefly upon collaborative research experiences in Sydney, Australia, I offer thoughts on progressive contributions arising from grounded empirical research within cities subject to profound transformation from speculative real estate, and hypercharged by global finance. Amid unsolicited plans for massive rezoning of industrial spaces and accompanying displacement of manufacturing, repair and cultural industries, credible economic geographical data assisted activists and sympathetic local decisionmakers by bringing to light the significance of existing spaces of work (especially in industrially zoned land) subject to rezoning plans. Contestation over massive real estate proposals continues in Sydney, but empirical research targeted at public debate has nevertheless already shifted the narrative. While academic privilege and expert status warrants intra-disciplinary critique, what also matters is whether, how and where economic geographers deploy expertise productively towards progressive ends. Hence, critically engaged economic geography flourishes in different forms beyond the discipline's imagined ‘core’ places, even via quite ‘dry’ empirical studies that on the surface do not declare radical intents. Economic geographers are key intermediaries circulating knowledges, active agents in making concrete manifestations of the economy known. And that is a crucial point of intervention.
Books on the topic "Land speculation – Australia"
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Land/space: An anthology of prairie speculative fiction. Edmonton, Alta: Tesseract Books, 2002.
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Land/Space: An Anthology of Prairie Speculative Fiction. Tesseract Books, 2003.
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Land/Space. Tesseract Books, 2003.
Find full textBook chapters on the topic "Land speculation – Australia"
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Rix, Zara. "Fore-fronting Race and Law." In Race in Young Adult Speculative Fiction, 237–56. University Press of Mississippi, 2021. http://dx.doi.org/10.14325/mississippi/9781496833815.003.0014.
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In this chapter, Zara Rix argues that Ambelin Kwaymullina, an indigenous Australian author, imagines a dystopian Australia as a way to teach readers about Australia’s history of indigeneity. The indigenous futurism Kwaymullina employs allows her to envision a path forward for Australia—one that respects and honors indigenous tradition while also leaning on indigenous notions of law to move the nation toward a more ethical social order. In The Interrogation of Ashala Wolf, Kwaymullina combines the genres of YA and Indigenous Futurism to address issues of Indigenous land use, ownership, and access to citizenship. Kwaymullina demonstrates the importance of Aboriginal peoples and concepts of nationhood to the contemporary world order, suggesting that a just and ecologically balanced world can come only from reincorporating Indigenous practices into governmental policy. In making these moves, The Interrogation of Ashala Wolf becomes a utopian vision in the most politically active sense.
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Hall, Martin. "The Burden of Tribalism: The Social Context of Southern African Iron Age Studies (1984)." In Histories of Archaeology. Oxford University Press, 2008. http://dx.doi.org/10.1093/oso/9780199550074.003.0008.
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The study of the archaeology of farming communities in southern Africa is an inherently political activity but there has been little critical analysis of the role of social context in forming problems and in shaping answers. It is argued in this chapter that the history of Iron Age research south of the Zambezi shows the prevalent influence of colonial ideologies, both in the earliest speculations about the nature of the African past and in the adaptations that have been made to contemporary archaeological methodologies in their application to the subcontinent. Concepts such as ethnicity have acquired specific meanings in southern Africa that contrast with the use of similar ideas in other contexts such as Australasia. Such relativity reinforces the view that specific, detailed critiques of archaeological practice in differing social environments are necessary for an understanding of the manner in which the present shapes the past. In those countries where descendants of the colonizers mostly practise the archaeology of those colonized, the study of the past must have a political dimension. This has become overt in Australasia where, as one Aboriginal representative has put it, the colonizers ‘have tried to destroy our culture, you have built your fortunes upon the lands and bodies of our people and now, having said sorry, want a share in picking out the bones of what you regard as a dead past’ (Langford 1983: 2). In African countries, such opinions have been less explicit and consequently archaeologists have not frequently been faced with political accountability. Schmidt (1983) points out that there is some awareness that the intellectual constructs of Western archaeologists may have little meaning to African communities, but current literature describing research south of the Zambezi River of precolonial farming societies (by convention, termed the Iron Age) shows little acknowledgement that the social environment of the investigator may play a part in defining issues and colouring interpretations, or indeed, that the results themselves may have diverse political implications.
Conference papers on the topic "Land speculation – Australia"
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Urban, Rochus Urban, and Dylan Newell. "On a Field: Undoing Polarities between Indigenous and Non-indigenous Design Knowledges." In The 38th Annual Conference of the Society of Architectural Historians Australia and New Zealand. online: SAHANZ, 2022. http://dx.doi.org/10.55939/a3984pnz9n.
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This paper discusses how architectural practices can engage with and be inspired by a culture that is more than 60.000 years old. How can architects learn from situated and embodied Indigenous knowledge systems in the Australian context? How can an ethical engagement with indigenous histories and practices inspire the development of future architectural practices? This paper proposes that a better understanding of indigenous relationships to land and our environment can inspire us as a society and as architects to imagine new ways of thinking and practising. Considering our numerous contemporary crises, such as climate change, species extinction, food insecurity, we might need to begin to challenge and question western European norms and frameworks. The persistence of colonial thinking, operating within a capitalist system, has been the root cause of most of our contemporary crises. To attempt to undo the polarities that persist between indigenous and non-indigenous knowledge and thinking, we might learn new ways of storytelling as a means of envisioning an alternative future. This paper understands the theme of the ‘ultra’ as that position that keeps us apart and stops us from sharing stories that might lead to alternative ways of speculating on shared spatial futures. To situate this discussion, we present a collaborative and pedagogical design experiment undertaken on the lands of the Dja Dja Wurrung. On this Country, tentative attempts to learn with the environment and its associated stories were ventured on a small field and storytelling was used to shift our understanding of country and architecture.