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Academic literature on the topic 'Murray-Darling Basin'

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Published: 4 June 2021
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Journal articles on the topic "Murray-Darling Basin"

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Crabb, Peter. "Managing the Murray‐Darling Basin." Australian Geographer 19, no. 1 (May 1988): 64–88. http://dx.doi.org/10.1080/00049188808702951.

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Faulks, Leanne K., Dean M. Gilligan, and Luciano B. Beheregaray. "Phylogeography of a threatened freshwater fish (Mogurnda adspersa) in eastern Australia: conservation implications." Marine and Freshwater Research 59, no. 1 (2008): 89. http://dx.doi.org/10.1071/mf07167.

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Phylogeography is a field that has the potential to provide an integrative approach to the conservation of threatened species. The southern purple spotted gudgeon, Mogurnda adspersa, is a small freshwater fish that was once common and widely distributed throughout south-eastern Australia. However, habitat alteration has dramatically reduced the size and the range of Murray–Darling Basin populations, which are now classified as endangered. Here patterns of genetic structure and evolutionary history of M. adspersa in southern Queensland and the Murray–Darling Basin are elucidated using three regions of the mitochondrial DNA, the ATPase 6 and 8 and the control region. Murray–Darling Basin populations are characterised by lineages with highly localised endemism, very low genetic diversity and restricted gene flow. Phylogenetic reconstructions show that Murray–Darling Basin populations comprise a monophyletic clade that possibly originated by range expansion from the coast around 1.6 million years ago. It is proposed that the divergent Murray–Darling Basin clade is of high conservation priority and requires separate management. The present study further exemplifies the role of drainage rearrangement in driving evolutionary diversification in Australian freshwater fishes, an historical process with profound implications for conservation management.
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Goss, K. "Report Card - Murray-Darling Basin - 2001." Water Science and Technology 45, no. 11 (June 1, 2002): 133–44. http://dx.doi.org/10.2166/wst.2002.0388.

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Ongoing deterioration of the riverine environments of the Murray-Darling Basin led the Murray-Darling Basin Ministerial Council to introduce a Cap in 1995 to halt the growth in diversions of water for consumptive use. This initiative recognised the finite nature of water resources in the Basin and sought to introduce a balance between off-stream use of water and protection of the riverine environment. But the cap is only one step, albeit a fundamental one, in restoring the Basin's rivers - it is a “stake in the ground”. Parties to the Murray-Darling Basin Initiative recognise the need to reverse decades of creeping decline if the Basin's rivers and riverine environments are to return to a more ecologically sustainable condition. In the last 12 months, Council and Commission have taken far-reaching decisions designed to restore the Basin's Rivers. Many of these decisions, even 10 years ago, would have been unimaginable. The Report Card will explain the need for a number of recent decisions that will impact on the future of the Basin's rivers. For example, Council's decision to establish an Environmental Manager function in the Office of the Commission was made in the context of the recently agreed Integrated Catchment Management (ICM) Policy, and supporting Sustainable Rivers Audit. The role of targets and accountabilities under the ICM Policy will also be discussed. The Report Card will also present a snapshot of the state of the Basin's rivers and the actions being taken at a range of scales and locations in response to identified problems. Because some of the key initiatives are still in development, this Report Card will set the scene by describing where our attention is being focused and why.
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Ballard, Clarke. "Management of Murray–Darling Basin, Australia." Irrigation and Drainage 69, no. 4 (July 28, 2020): 504–16. http://dx.doi.org/10.1002/ird.2510.

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Musyl, MK, and CP Keenan. "Population genetics and zoogeography of Australian freshwater golden perch, Macquaria ambigua (Richardson 1845) (Teleostei: Percichthyidae), and electrophoretic identification of a new species from the Lake Eyre basin." Marine and Freshwater Research 43, no. 6 (1992): 1585. http://dx.doi.org/10.1071/mf9921585.

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Populations of golden perch (Macquaria ambigua) were sampled from both sides of the Great Dividing Range (GDR): from the Murray-Darling drainage basin (Murray R., L. Keepit and Condamine R.), the L. Eyre internal drainage basin (Barcoo R. and Diamantina R.), and the internal drainage basin of the Bulloo R.-all to the west of the GDR-and from the Fitzroy drainage basin (Dawson R. and Nogoa R.) east of the GDR. Starch-gel and polyacrylamide electrophoresis of 12 enzyme systems plus two general muscle proteins was used to estimate the genetic variation within and between populations. Of the 18 presumed genetic loci examined, nine were either polymorphic at the P0.99 criterion level or exhibited fixed allelic differences between some of the populations. Within the Murray-Darling drainage basin, there was little indication of heterogeneity. Contingency Χ2 analyses of allelic distributions among drainage basins indicated significant levels of heterogeneity at six variable loci. The isolated L. Eyre population exhibited diagnostic alleles at four loci when compared with the Murray- Darling and Fitzroy populations. The genetic distance of the L. Eyre population (Nei's D=0.23) from these two populations indicates that the L. Eyre golden perch is most probably a previously unrecognized allopatric species. The level of divergence (0 = 0.06) between Fitzroy and Murray-Darling golden perch indicates differentiation at the subspecies level, with no fixed differences observed between these two populations. Finally, golden perch from the Bulloo R. represent either (i) an intermediate evolutionary unit between the presumed ancestral L. Eyre population and the derived Murray-Darling and Fitzroy populations or (ii) a complex hybrid between these populations. Average gene-flow statistics, FST = 0.760 and Nem=0.08, suggest that the populations in each of the four basins can be regarded as separate gene pools that have been isolated for different, and considerable, periods of time.
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Grafton, R. Quentin, and James Horne. "Water markets in the Murray-Darling Basin." Agricultural Water Management 145 (November 2014): 61–71. http://dx.doi.org/10.1016/j.agwat.2013.12.001.

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Kearney, Robert E., and Melissa A. Kildea. "The Management of Murray Cod in the Murray-Darling Basin." Australasian Journal of Environmental Management 11, no. 1 (January 2004): 42–54. http://dx.doi.org/10.1080/14486563.2004.10648597.

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Draper, Clara, and Graham Mills. "The Atmospheric Water Balance over the Semiarid Murray–Darling River Basin." Journal of Hydrometeorology 9, no. 3 (June 1, 2008): 521–34. http://dx.doi.org/10.1175/2007jhm889.1.

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Abstract The atmospheric water balance over the semiarid Murray–Darling River basin in southeast Australia is analyzed based on a consecutive series of 3- to 24-h NWP forecasts from the Australian Bureau of Meteorology’s Limited Area Prediction System (LAPS). Investigation of the LAPS atmospheric water balance, including comparison of the forecast precipitation to analyzed rain gauge observations, indicates that the LAPS forecasts capture the general qualitative features of the water balance. The key features of the atmospheric water balance over the Murray–Darling Basin are small atmospheric moisture flux divergence (at daily to annual time scales) and extended periods during which the atmospheric water balance terms are largely inactive, with the exception of evaporation, which is consistent and very large in summer. These features present unique challenges for NWP modeling. For example, the small moisture fluxes in the basin can easily be obscured by the systematic errors inherent in all NWP models. For the LAPS model forecasts, there is an unrealistically large evaporation excess over precipitation (associated with a positive bias in evaporation) and unexpected behavior in the moisture flux divergence. Two global reanalysis products (the NCEP Reanalysis I and the 40-yr ECMWF Re-Analysis) also both describe (physically unrealistic) long-term negative surface water budgets over the Murray–Darling Basin, suggesting that the surface water budget cannot be sensibly diagnosed based on output from current NWP models. Despite this shortcoming, numerical models are in general the most appropriate tool for examining the atmospheric water balance over the Murray–Darling Basin, as the atmospheric sounding network in Australia has extremely low coverage.
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Sennett, Amy, Emma Chastain, Sarah Farrell, Tom Gole, Jasdeep Randhawa, and Chengyan Zhang. "Challenges and responses in the Murray–Darling Basin." Water Policy 16, S1 (March 1, 2014): 117–52. http://dx.doi.org/10.2166/wp.2014.006.

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This paper traces the evolving institutional and policy responses to the social, environmental and economic needs of stakeholders in the Murray–Darling Basin. The paper begins by describing four cycles of challenge and response in the basin: the first period (1830–1900) witnessed the state-level development of irrigation and navigation in the basin; the second period (1900–1982) encompassed the construction of the basin's major engineering projects and irrigation infrastructure; the third period (1982–2007) covered the institution of market reforms under a ‘whole Basin’ management approach, in particular, the development of inter-state water trading and the National Water Initiative; and the fourth phase (2007–present), marks the assertion of federal authority over water management with the passing of the Water Act in 2007. The second section of the paper provides background on the basin's natural environment and its infrastructure. This section also describes the increasing centralization of basin management authority by the federal government. The paper's final section presents three key questions for the basin's future: (1) the politically acceptable balance between environmental and economic uses for water in the basin; (2) the appropriate allocation of responsibility between federal and state basin management authorities; and (3) the best way to deliver the desired environmental outcomes.
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Reid, Michael, and Peter Gell. "Regional wetland response typology: Murray-Darling Basin, Australia." PAGES news 19, no. 2 (July 2011): 62–64. http://dx.doi.org/10.22498/pages.19.2.62.

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Dissertations / Theses on the topic "Murray-Darling Basin"

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Foster-Thorpe, Frances C. "Accountability interactions : mutliple accountabilities in the Murray-Darling basin plan." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:aac0e39b-f397-4292-baf9-e99c93c98c7d.

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This thesis investigates whether different public accountability forums interact with one another when they oversee the same decision maker. It contributes to the larger study of how decision makers are held to account in constitutional democracies where the simultaneous operation of multiple accountability relationships has become routine. Looking beyond the dominant assumption that multiple forums autonomously assess a decision maker's accountability against different and diverging standards, I aim to understand whether forums can influence the standards against which other forums evaluate the same decision maker. I draw on political and normative understandings of public accountability to answer one central question: do different public accountability forums interact with one another in a way that influences the scope of what a decision maker is obliged to account for and the normative standards against which that account is evaluated? Answering this research question involves examining the mechanisms by which interactions might occur and the motivations of actors to interact. I begin by critically reviewing the literature on multiple accountabilities, arguing that existing approaches can only partially explain how public accountability is constructed in multiple accountability regimes. I argue the focus on typologies of accountability emphasise the attributes of individual forums and overlook the broader dynamics of the accountability regime. I then develop an analytical framework to examine how the interactions between different forums, and other actors, might reshape the accountability dialogue. This framework is used to analyse the case of the Murray-Darling Basin Plan in Australia (2008-2012). By presenting a contextSrich analysis of interactions between forums, and other actors, I find that multiple forums act in concert with one another and other actors to contest and then reshape the standards against which the two decision makers are evaluated. The thesis concludes by discussing the implications of recognising accountability interactions for understanding multiple accountability regimes.
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Dwyer, Brian James, University of Western Sydney, College of Social and Health Sciences, and School of Natural Sciences. "Aspects of governance and public participation in remediation of the Murray-Darling Basin." THESIS_CSHS_NS_Dwyer_B.xml, 2004. http://handle.uws.edu.au:8081/1959.7/776.

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This thesis addresses the question “What is the essence of the Murray Darling river system conundrum that is usually posed as an issue of environmental remediation?”- following perceptions of problems in catchment strategy formulation regarding project selection and public consultation. The question is initially seen as having four facets – governance, public, participation and remediation. An initial literature review indicated that previous examination of these topics seemed insufficiently radical or comprehensive for the enquiry’s purposes, seeming not to attribute full humanness to members of the public. A fieldwork program of quasi-anthropological nature was conducted. Interpretation of the fieldwork reports focuses primarily on the lack of attribution of full humanness to members of the public. Interpretive techniques including a phenomenological-style process was applied and found that the district houses a number of unrecognised people “nexors’ occupying linking or nexus roles who exercise personal skills and initiatives to underpin effective remediation outcomes. Towards the end of the fieldwork program, further literature indicated that the initial four-facet nature of the enquiry should be reformulated, to include the overall nature of western society as it appears in the district (in place of participation), to reconstitute the concept of remediation more radically. Governance as a topic is broader than the ways in which it appears in the examined district, and suitable hybridizing of competing world view concepts remains unresolved in this thesis
Doctor of Philosophy (PhD)
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Baumgartner, Lee Jason, and n/a. "Effects of weirs on fish movements in the Murray-Darling Basin." University of Canberra. Resource, Environmental & Heritage Sciences, 2005. http://erl.canberra.edu.au./public/adt-AUC20051129.142046.

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Dams and weirs are widely implicated in large-scale declines in both the range and abundance of aquatic fauna. Although many factors are involved, such declines are commonly attributed to the prevention or reduction of migration, reductions in available habitat, alteration of natural flow regimes and changes to physicochemical characteristics. In Australia, studies into the ecological effects of these impacts are limited, and have concentrated mainly on species of recreational and commercial importance. Subsequently, the adverse effects of dams and weirs, and suitable methods of mitigation, remain largely unknown for many other taxa. Therefore, the major aim of this thesis is to investigate the ecological effects of dam and weir construction on previously unstudied migratory assemblages of fish and macroinvertebrates in the Murray-Darling Basin. It is anticipated that the results of these studies will feed back into improved management strategies that help arrest the previously observed declines of aquatic fauna. Initially, fish communities were sampled, by boat electrofishing, from both reference sites and downstream of Balranald and Redbank weirs on the lower reaches of the Murrumbidgee River, Australia. Sampling was stratified over large spatial and temporal scales to gain a comprehensive understanding of species most affected by the presence of these two barriers. In general, the weirs obstructed fish migrations during summer and autumn and many species of small-bodied fish such as Australian smelt, western carp gudgeon, fly-specked hardyhead and crimson-spotted rainbowfish accumulated downstream of Balranald Weir. In addition, downstream accumulations of juveniles of larger-bodied species such as bony herring, common carp and goldfish were also detected. Although many previous studies had either documented or hypothesised that upstream migrating fish accumulate downstream of migration barriers, none attempted to quantify the size of such populations. Therefore, a simple but efficient method to estimate the size of migratory populations was assessed at the Balranald Weir site. The application of two commonly used estimation techniques yielded relatively reliable results for seven species that accumulated downstream of the weir. Population size estimates were greatest for most species during summer and autumn, where accumulations as high as 800 fish per day were detected. The largest calculated population size estimates, in addition to the greatest temporal variation, of any individual species was observed in bony herring. Given the simplicity of the technique and the relative accuracy of population estimates, it was concluded that these methods could easily be applied to other weirs where the size of migratory populations is of particular interest. A study investigating the effects of Yanco Weir on the diets of three migratory percichthyid species, Murray cod, trout cod and golden perch was also conducted. Observed spatial variation in a number of trophic processes strongly implicated Yanco Weir as a major contributor to increased competition among percichthyid species on the Murrumbidgee River. The greater relative abundance of percichthyids from downstream samples, combined with increases in dietary overlap and a greater percentage of empty stomachs, also suggested percichthyids may be significantly affecting the relative abundance of potential prey items such as freshwater prawns and Australian smelt. These significant changes in dietary composition were likely related to migratory behaviour, as these species accumulated downstream of the weir, and could be readily expected at other sites where passage is obstructed. It was suggested that the construction of suitable fish passage facilities would effectively reduce the probability of migratory fish accumulating and, subsequently, potential effects of dams and weirs on trophic processes. Since it was established that dams and weirs of the Murrumbidgee River were significantly affecting migratory fish communities, an innovative but relatively inexpensive fishway design, the Deelder fish lock (after Deelder, 1958), was constructed and assessed for wider application throughout the Murray-Darling Basin. The Deelder lock was effective at mitigating the effects of Balranald Weir by providing passage for a wide range of size classes and species of fish; but importantly, the structure enabled the passage of most species previously observed to accumulate downstream of the structure. Most significant was the ability of the fish lock to pass substantial numbers of small-bodied fish, which were previously not considered migratory, suggesting that these species should be considered when developing options to mitigate the effects of other dams and weirs throughout the Murray-Darling Basin. A significant finding of this study was the realisation that substantially more species and size classes of Australian native fish are migratory than previously thought. Subsequently, it is recommended that, when designing facilities to mitigate the effects of a dam or weir, the structure of the entire migratory community is considered when developing operating parameters. Various options for mitigating the effects of dams and weirs are discussed, but it was concluded that the construction of effective fishways would be the most appropriate means of restoring migration pathways to Australian native fish. A strategic approach for assessing and adaptively mitigating the effects of dams and weirs is presented and discussed.
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King, Alison Jane 1974. "Recruitment ecology of fish in floodplain rivers of the southern Murray-Darling Basin, Australia." Monash University, Dept. of Biological Sciences, 2002. http://arrow.monash.edu.au/hdl/1959.1/8391.

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Baggiano, Olivier. "The Murray - Darling Turtles: Gene Flow and Population Persistance in Dryland Rivers." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/367471.

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Australia’s largest and most important waterway- the Murray-Darling Basin (MDB) - is under threat owing to predicted increases in temperature extremes and reduction in rainfall - runoff in the coming decades. Management strategies are required that incorporate an understanding of dispersal patterns of the MDB fauna and flora. Patterns of dispersal have typically been studied through direct organismal studies but genetic approaches, in which the movement of genes in the landscape is used as a correlate of species dispersal, can provide a more comprehensive view by investigating at a much larger temporal and spatial scale. Genetic connectivity (dispersal) is influenced by the biology of the species, and by flow regime and the dendritic pattern of the network in riverine landscapes. An understanding of the relative influence of each on connectivity is required to deliver informed management strategies. Decisions regarding whether management for conservation is necessary also require an understanding of a species susceptibility to a changing environment. Species already exhibiting deleterious trajectories under current flow regimes in the basin may require more drastic measures than those that have remained unaffected.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Environment
Science, Environment, Engineering and Technology
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Dwyer, Brian James. "Aspects of governance and public participation in remediation of the Murray-Darling Basin /." View thesis, 2004. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20060517.130206/index.html.

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Thesis (Ph.D.) -- University of Western Sydney, 2004.
"A thesis submitted for the degree of Doctor of Philosophy of the University of Western Sydney, Sydney, January 2004." Includes bibliography : leaves 359 - 369.
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Perry, Nicola. "Bounded Properties, Interconnected Ecosystems: Watering Private Wetlands in the Murray Darling Basin, Australia." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/28618.

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The Murray Darling Basin (MDB) is Australia’s largest river and wetlands network and has enormous environmental, economic and cultural importance. The over 30,000 wetlands of the MDB floodplains are an essential element of this vast and complex river ecosystem. However, the water dependent ecosystems of the MDB have been modified, largely to service irrigation and consumptive human needs. Ensuring wetlands receive water is essential to the survival of the MDB, and the process of managing this water is investigated herein. MDB water management reform has reintroduced environmental flows to support the seasonal water needs of floodplains, ephemeral creeks and wetlands. However, the vast majority of MDB wetlands are located on private property which has been identified as a key barrier to effective water delivery. Water for wetlands is now delivered directly to wetlands located on private property through different initiatives which involve Government, Not for Profit and private actors.
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Boys, Craig Ashley, and n/a. "Fish-Habitat Associations in a Large Dryland River of the Murray-Darling Basin, Australia." University of Canberra. Resource, Environmental & Heritage Sciences, 2007. http://erl.canberra.edu.au./public/adt-AUC20070807.112943.

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Many aspects concerning the association of riverine fish with in-channel habitat remain poorly understood, greatly hindering the ability of researchers and managers to address declines in fish assemblages. Recent insights gained from landscape ecology suggest that small, uni-scalar approaches are unlikely to effectively determine those factors that influence riverine structure and function and mediate fish-habitat associations. There appears to be merit in using multiple-scale designs built upon a geomorphologically-derived hierarchy to bridge small, intermediate and large spatial scales in large rivers. This thesis employs a hierarchical design encompassing functional process zones (referred to hereafter as zones), reaches and mesohabitats to investigate fish-habitat associations as well as explore patterns of in-channel habitat structure in one of Australia's largest dryland river systems; the Barwon-Darling River. In this thesis, empirical evidence is presented showing that large dryland rivers are inherently complex in structure and different facets of existing conceptual models of landscape ecology must be refined when applied to these systems. In-channel habitat and fish exist within a hierarchical arrangement of spatial scales in the riverscape, displaying properties of discontinuities, longitudinal patterns and patch mosaics. During low flows that predominate for the majority of time in the Barwon-Darling River there is a significant difference in fish assemblage composition among mesohabitats. There is a strong association between large wood and golden perch, Murray cod and carp, but only a weak association with bony herring. Golden perch and Murray cod are large wood specialists, whereas carp are more general in there use of mesohabitats. Bony herring are strongly associated with smooth and irregular banks but are ubiquitous in most mesohabitats. Open water (mid-channel and deep pool) mesohabitats are characterised by relatively low abundances of all species and a particularly weak association with golden perch, Murray cod and carp. Murray cod are weakly associated with matted bank, whereas carp and bony herring associate with this mesohabitat patch in low abundance. Nocturnal sampling provided useful information on size-related use of habitat that was not evident from day sampling. Both bony herring and carp exhibited a variety of habitat use patterns throughout the die1 period and throughout their lifetime, with temporal partitioning of habitat use by juvenile bony herring and carp evident. Much of the strong association between bony herring and smooth and irregular banks was due to the abundance of juveniles (<100mm in length) in these mesohabitats. Adult bony herring (>100mm length) occupied large wood more than smooth and irregular banks. At night, juvenile bony herring were not captured, suggesting the use of deeper water habitats. Adult bony herring were captured at night and occupjed large wood, smooth bank and irregular bank. Juvenile carp (<200mm length) were more abundant at night and aggregated in smooth and irregular banks more than any other mesohabitat patch. Adult carp (>200mm length) occupied large wood during both day and night. There is a downstream pattern of change in the fish assemblage among river zones, with reaches in Zone 2 containing a larger proportion of introduced species (carp and goldfish) because of a significantly lower abundance of native species (bony herring, golden perch and Murray cod) than all other zones. In comparison, the fish assemblage of Zone 3 was characterised by a comparatively higher abundance of the native species bony herring, golden perch and Murray cod. A significant proportion of the amongreach variability in fish assemblage composition was explained at the zone scale, suggesting that geomorphological influences may impose some degree of top-down constraint over fish assemblage distribution. Although mesohabitat composition among reaches in the Barwon-Darling River also changed throughout the study area, this pattern explained very little of the large-scale distribution of the fish assemblage, with most of the variability in assemblage distribution remaining unexplained. Therefore, although mesohabitat patches strongly influence the distribution of species within reaches, they explain very little of assemblage composition at intermediate zone and larger river scales. These findings suggest that small scale mesohabitat rehabilitation projects within reaches are unlikely to produce measurable benefits for the fish assemblage over intermediate and large spatial scales in the Barwon-Darling River. This indicates the importance taking a holistic approach to river rehabilitation that correctly identifies and targets limiting processes at the correct scales. The variable nature of flow-pulse dynamics in the Barwon-Darling River creates a shifting habitat mosaic that serves to maintain an ever-changing arrangement of habitat patches. The inundation dynamics of large wood habitat described in this thesis highlights the fragmented nature of mesohabitat patches, with the largest proportion of total in-channel large wood remaining unavailable to fish for the majority of the time. At low flows there is a mosaic of large wood habitat and with increasing discharge more potential large wood habitat becomes available and does so in a complex spatial manner. What results in this dryland river is a dynamic pattern of spatio-temporal patchiness in large wood habitat availability that is seen both longitudinally among different river zones and vertically among different heights in the river channel. Water resource development impacts on this shifting habitat mosaic. Projects undertaking both fish habitat assessment and rehabilitation need to carefully consider spatial scale since the drivers of fish assemblage structure can occur at scales well beyond that of the reach. Fish-habitat associations occurring at small spatial scales can become decoupled by process occurring across large spatial scales, making responses in the fish assemblage hard to predict. As rivers become increasingly channelised, there is an urgent need to apply research such as that conducted in this thesis to better understand the role that in-channel habitats play in supporting fish and other ecosystem processes. Habitat rehabilitation projects need to be refined to consider the appropriate scales at which fish assemblages associate with habitat. Failure to do so risks wasting resources and forgoes valuable opportunities for addressing declines in native fish populations. Adopting multi-scalar approaches to understanding ecological processes in aquatic ecosystems, as developed in this thesis, should be a priority of research and management. To do so will enable more effective determination of those factors that influence riverine structure and function at the approariate scale.
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Burdack, Doreen. "Water management policies and their impact on irrigated crop production in the Murray-Darling Basin, Australia." Phd thesis, Universität Potsdam, 2014. http://opus.kobv.de/ubp/volltexte/2014/7224/.

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The economic impact analysis contained in this book shows how irrigation farming is particularly susceptible when applying certain water management policies in the Australian Murray-Darling Basin, one of the world largest river basins and Australia’s most fertile region. By comparing different pricing and non-pricing water management policies with the help of the Water Integrated Market Model, it is found that the impact of water demand reducing policies is most severe on crops that need to be intensively irrigated and are at the same time less water productive. A combination of increasingly frequent and severe droughts and the application of policies that decrease agricultural water demand, in the same region, will create a situation in which the highly water dependent crops rice and cotton cannot be cultivated at all.
Die ökonomische Folgenanalyse in diesem Buch zeigt, dass insbesondere Landwirte, die stark auf Bewässerung angewiesen sind, von Wasserregulierungsstrategien im Australischen Murray-Darling Becken betroffen sind. Dieses Gebiet ist eines der größten Flussbecken weltweit und zugleich Australiens fruchtbarste Region. Durch den Vergleich von verschiedenen Preisstrategien und anderen Ansätzen konnte mit Hilfe des Water Integrated Market Models herausgefunden werden, dass die Auswirkungen auf hochgradig wasserabhängige Feldfrüchte mit geringeren Wasserproduktivitäten am stärksten sind. Die Kombination von häufigeren und intensiveren Trockenzeiten und einer Regulierungspolitik mit dem Ziel, die Nachfrage nach Wasser zu verringern, führt dazu, dass in ein und derselben Region hochgradig wasserabhängige Feldfrüchte wie Reis und Baumwolle mit geringeren Wasserproduktivitäten nicht mehr angebaut werden können.
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Mall, Neeraj. "A multi-proxy approach to track ecological change in Gunbower Wetlands, Victoria, Australia." Thesis, Federation University Australia, 2021. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/182595.

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The wetlands of the Murray-Darling Basin have come under the threat of a drying climate, the over-allocation of water for irrigation agriculture and widespread catchment disturbance. A synthesis of many paleolimnological assessments undertaken in the upper and lower sections of the Murray floodplain, and the Murrumbidgee, reveal considerable ecological change in wetlands from early in European settlement. The wetlands of the Gunbower Forest lie in the middle reaches of the Murray River. They are located on Gunbower Island that is deemed a wetland of international significance under the Ramsar Convention and an icon site under the Living Murray Initiative. Many Gunbower Island wetlands are located in protected forests, while others are within a zone developed for irrigation, mostly dairy, agriculture. This study analysed the sedimentary records of two wetlands within the forest estate and two within irrigation lands intending to compare long term change in the Gunbower wetlands to studies on floodplains both up and downstream, and to assess the relative impact of regional causes of change and that of local land use. Sediments constitute natural archives of past environmental changes. Sediment records were recovered from four wetlands and radiometric dating and multi-proxy paleoecological techniques were applied to assess how these wetlands have responded to changes in human occupation and other factors, such as climate. Then, extracted sediment cores were taken from Black (core length: 84 cm) and Green (86 cm) Swamps located in the forest, and Taylors (94 cm) and Cockatoo (74 cm) Lagoons were situated amongst dairy farms. In order to reconstruct ecological and water quality changes from the study sites, the cores were analysed using four different analysis techniques, i.e., Itrax-XRF (X-Ray Fluorescence) scanning, Lead-210 (210Pb) dating, Stable isotope and diatom analysis. XRF scanning provided evidence of the elemental composition of the cores. Detrital enrichment in the lower parts of all cores was observed, indicating elevated erosion rates or low water levels. In addition to this, some recent metal pollution was evident with high Cu, Ni and Pb inputs. Stable isotopes provided limited information on the carbon and nitrogen sources. The
Doctor of Philosophy
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Books on the topic "Murray-Darling Basin"

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Connell, Daniel. Basin Futures: Water reform in the Murray-Darling Basin. Canberra: ANU Press, 2011.

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Powell, J. M. The emergence of bioregionalism in the Murray-Darling Basin. Canberra: Murray-Darling Basin Commission, 1993.

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Hammer, Chris. The river: A journey through the Murray-Darling Basin. Carlton, Vic: Melbourne University Press, 2011.

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J, Taylor. Indigenous people in the Murray-Darling Basin: A statistical profile. Canberra, ACT, Australia: Center for Aboriginal Economic Policy Research, 2004.

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Water policy reform: Lessons in sustainability from the Murray Darling Basin. Cheltenham: Edward Elgar, 2012.

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Rothenburg, Daniel. Irrigation, Salinity, and Rural Communities in Australia's Murray-Darling Basin, 1945–2020. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18451-2.

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Murray-Darling Basin, Australia. Elsevier, 2021. http://dx.doi.org/10.1016/c2018-0-01363-8.

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Saintilan, Neil, and Ian Overton, eds. Ecosystem Response Modelling in the Murray-Darling Basin. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643100213.

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Ecosystem Response Modelling in the Murray-Darling Basin provides an overview of the status of science in support of water management in Australia’s largest and most economically important river catchment, and brings together the leading ecologists working in the rivers and wetlands of the Basin. It introduces the issues in ecosystem response modelling and how this area of science can support environmental watering decisions. The declining ecological condition of the internationally significant wetlands of the Murray-Darling Basin has been a prominent issue in Australia for many years. Several high profile government programs have sought to restore the flow conditions required to sustain healthy wetlands, and this book documents the scientific effort that is underpinning this task. In the Southern Murray-Darling Basin, the River Murray, the Murrumbidgee River and their associated wetlands and floodplains have been the focus of the Murray-Darling Basin Authority’s ‘The Living Murray’ program, and the NSW Rivers Environmental Restoration Program. The book documents research aimed at informing environmental water use in a number of iconic wetlands including those along the Murray – the Barmah-Millewa Forest; the Chowilla Floodplain and Lindsay-Wallpolla Islands; the Coorong and Murray mouth; and the Murrumbidgee – the Lowbidgee Floodplain. Within the Northern Murray-Darling Basin, research conducted in support of the Wetland Recovery Plan and the NSW Rivers Environmental Restoration Program has improved our knowledge of the Gwydir Wetlands and the Macquarie Marshes, and the water regimes required to sustain their ecology.
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Rogers, Kerrylee, and Timothy J. Ralph, eds. Floodplain Wetland Biota in the Murray-Darling Basin. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643100992.

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Floodplain wetlands of the Murray-Darling Basin provide critical habitat for numerous species of flora and fauna, yet the ecology of these wetlands is threatened by a range of environmental issues. This book addresses the urgent need for an improved ecohydrological understanding of the biota of Australian freshwater wetlands. It synthesises key water and habitat requirements for 35 species of plants, 48 species of waterbirds, 17 native and four introduced species of fish, 15 species of frogs, and 16 species of crustaceans and molluscs found in floodplain wetlands of the Murray-Darling Basin. Each species profile includes: the influence of water regimes on the survival, health and condition of the species; key stimuli for reproduction and germination; habitat and dietary preferences; as well as major knowledge gaps for the species. Floodplain Wetland Biota in the Murray-Darling Basin also provides an overview of the likely impacts of hydrological change on wetland ecosystems and biota, in the context of climate change and variability, with implications for environmental management. This important book provides an essential baseline for further education, scientific research and management of floodplain wetland biota in the Murray-Darling Basin.
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Connell, Daniel, and Quentin Grafton, eds. Basin Futures: Water reform in the Murray-Darling Basin. ANU Press, 2011. http://dx.doi.org/10.22459/bf.05.2011.

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Book chapters on the topic "Murray-Darling Basin"

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Pittock, Jamie. "Murray–Darling River Basin (Australia)." In The Wetland Book, 1–11. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6173-5_102-2.

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Pittock, Jamie. "Murray-Darling River Basin (Australia)." In The Wetland Book, 1887–96. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-4001-3_102.

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Pittock, Jamie. "Murray-Darling Basin: Conservation and Law." In The Wetland Book, 1–9. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6172-8_136-1.

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Pittock, Jamie. "Murray-Darling Basin: Conservation and Law." In The Wetland Book, 561–69. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-90-481-9659-3_136.

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Thomas, Rachael F., and Joanne F. Ocock. "Macquarie Marshes: Murray-Darling River Basin (Australia)." In The Wetland Book, 1–12. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6173-5_209-2.

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Gell, Peter. "The Coorong: Murray-Darling River Basin (Australia)." In The Wetland Book, 1–11. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-007-6173-5_210-2.

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Thomas, Rachael F., and Joanne F. Ocock. "Macquarie Marshes: Murray-Darling River Basin (Australia)." In The Wetland Book, 1897–908. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-4001-3_209.

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Gell, Peter. "The Coorong: Murray-Darling River Basin (Australia)." In The Wetland Book, 1909–19. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-4001-3_210.

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Booth, Trevor H. "Forest Landscape Restoration in Australia’s Murray-Darling Basin." In A Goal-Oriented Approach to Forest Landscape Restoration, 355–71. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5338-9_13.

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Powell, Joseph M. "Interregional Environmental Policy in Australia’s Murray-Darling Basin." In The GeoJournal Library, 55–73. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4888-7_3.

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Conference papers on the topic "Murray-Darling Basin"

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Li, L., N. Okello, M. Pham, S. K. Saleem, W. Qiu, R. Evans, and I. Mareels. "Model predictive control of Murray-darling basin networks." In 2011 23rd Chinese Control and Decision Conference (CCDC). IEEE, 2011. http://dx.doi.org/10.1109/ccdc.2011.5968277.

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"Governance and drought in the murray darling basin." In 2011 GEOSS Workshop XL - Managing Drought Through Earth Observation. IEEE, 2011. http://dx.doi.org/10.1109/geoss.2011.5948943.

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Marohasy, J., and J. Abbot. "Deconstructing the native fish strategy for Australia’s Murray Darling catchment." In RIVER BASIN MANAGEMENT 2013. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/rbm130281.

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"A sediment budget for the Queensland Murray Darling Basin." In 22nd International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2017. http://dx.doi.org/10.36334/modsim.2017.l23.davidson.

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Doody, T., and I. Overton. "Environmental management of riparian tree health in the Murray-Darling Basin, Australia." In RIVER BASIN MANAGEMENT 2009. Southampton, UK: WIT Press, 2009. http://dx.doi.org/10.2495/rm090181.

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"Exploring post 2011–12 drought in the Murray–Darling Basin." In 23rd International Congress on Modelling and Simulation (MODSIM2019). Modelling and Simulation Society of Australia and New Zealand, 2019. http://dx.doi.org/10.36334/modsim.2019.k22.nahar.

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"An ecological trajectories architecture for use in the Murray–Darling Basin." In 22nd International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2017. http://dx.doi.org/10.36334/modsim.2017.g6.stratford.

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Forghani, Alan, and Jason Alexandra. "Managing water resources in the murray-darling basin using earth observation." In 2011 GEOSS Workshop XL - Managing Drought Through Earth Observation. IEEE, 2011. http://dx.doi.org/10.1109/geoss.2011.5948944.

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"Generating two-monthly surface water images for the Murray-Darling Basin." In 24th International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, 2021. http://dx.doi.org/10.36334/modsim.2021.g5.ticehurst.

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Abbot, J., and J. Marohasy. "Forecasting of monthly rainfall in the Murray Darling Basin, Australia: Miles as a case study." In RIVER BASIN MANAGEMENT 2015. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/rm150141.

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Reports on the topic "Murray-Darling Basin"

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Grafton, R. Quentin, Clay Landry, Gary Libecap, and Robert O'Brien. Water Markets: Australia's Murray-Darling Basin and the US Southwest. Cambridge, MA: National Bureau of Economic Research, March 2010. http://dx.doi.org/10.3386/w15797.

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Melrose, Rachel, Jeff Kingwell, Leo Lymburner, and Rohan Coghlan. Murray-Darling Basin vegetation monitoring project : using time series Landsat Satellite data for the assessment of vegetation control. Geoscience Australia, 2013. http://dx.doi.org/10.11636/record.2013.037.

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