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Articoli di riviste sul tema "Murray-Darling Basin, NSW"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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1

Maini, N., A. Buchan, and S. Joseph. "Derivation of a salinity target for the Lower Murray Darling Valley." Water Science and Technology 48, no. 7 (October 1, 2003): 105–12. http://dx.doi.org/10.2166/wst.2003.0430.

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The NSW Government commissioned catchment management boards (CMBs) to set the direction and process for catchment scale natural resource management. In the Lower Murray Darling, Rivers are highly regulated and water resources shared between three states. The Catchment Board only has jurisdiction over the northern bank of the Murray but salt and water enter the river from many locations upstream and along the area boundary. River salt and flow modelling has continually been improved to reflect and contribute to an increased understanding of salinity processes. The MDBC Salt Load study correlate

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2

Stewart, G., and B. Harper. "Barmah-Millewa forest environmental water allocation." Water Science and Technology 45, no. 11 (June 1, 2002): 217–23. http://dx.doi.org/10.2166/wst.2002.0398.

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The formal allocation of water for the environment is a developing area of river management both scientifically and in terms of community participation. This case study, illustrating the recent use of the Barmah-Millewa Forest Environmental Water Allocation (EWA), provides a practical demonstration of community participation in environmental water management, the application of hydrological and biological “triggers” and a positive, demonstrable biological outcome from an environmental water allocation. The Barmah-Millewa Forest covers an area of 70,000 ha across the floodplain of the Murray Ri

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3

Marshall, Graham R. "Evaluating Adaptive Efficiency in Environmental Water Recovery: Application of a Framework for Institutional Cost-Effectiveness Analysis." Water Economics and Policy 06, no. 02 (April 2020): 2050003. http://dx.doi.org/10.1142/s2382624x20500034.

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The first empirical application of an established framework for evaluating the adaptive efficiency of policy and project options — the Institutional Cost-Effectiveness Analysis (ICEA) framework — is documented in this paper. The application involves cost-effectiveness comparison of six projects for environmental water recovery in the Murray-Darling Basin, Australia, managed by the New South Wales (NSW) Government under three programs: The Living Murray Initiative; the NSW Wetland Recovery Program; and the NSW Rivers Environmental Restoration Program. Focussing primarily on one of the projects

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4

Becker, Joy, Dean Gilligan, Martin Asmus, Alison Tweedie, and Richard Whittington. "Geographic Distribution of Epizootic haematopoietic necrosis virus (EHNV) in Freshwater Fish in South Eastern Australia: Lost Opportunity for a Notifiable Pathogen to Expand Its Geographic Range." Viruses 11, no. 4 (April 1, 2019): 315. http://dx.doi.org/10.3390/v11040315.

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Epizootic haematopoietic necrosis virus (EHNV) was originally detected in Victoria, Australia in 1984. It spread rapidly over two decades with epidemic mortality events in wild redfin perch (Perca fluviatilis) and mild disease in farmed rainbow trout (Oncorhynchus mykiss) being documented across southeastern Australia in New South Wales (NSW), the Australian Capital Territory (ACT), Victoria, and South Australia. We conducted a survey for EHNV between July 2007 and June 2011. The disease occurred in juvenile redfin perch in ACT in December 2008, and in NSW in December 2009 and December 2010. B

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5

Dabovic, Jodie, Lucy Dobbs, Glenn Byrne, and Allan Raine. "A new approach to prioritising groundwater dependent vegetation communities to inform groundwater management in New South Wales, Australia." Australian Journal of Botany 67, no. 5 (2019): 397. http://dx.doi.org/10.1071/bt18213.

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Groundwater dependent ecosystems (GDEs) require access to groundwater to meet all or some of their water requirements to maintain community structure and function. The increasing demand of surface and groundwater resources has seen the NSW Government put in place management mechanisms to enable the sharing of water between irrigators, the environment, industry, towns and communities via water sharing plans. The groundwater sharing plans aim to provide adaptive management of GDEs by prioritising for protection those that are considered the most ecologically valuable within each plan area. The H

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6

FitzSimons, Trish. "Catherine Potter, Sarah Moles, Libby Connors and Pam Postle, eds. Conversations on the Condamine: An Oral History from the Murray Darling Basin. Annandale NSW: Envirobook, 2002. 128 + vii pp. $19.95." Queensland Review 10, no. 1 (May 2003): 175–76. http://dx.doi.org/10.1017/s1321816600002609.

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7

VÖRÖS, JUDIT, SKYE WASSENS, LUKE PRICE, DAVID HUNTER, STEVEN MYERS, KYLE ARMSTRONG, MICHAEL J. MAHONY, and STEPHEN DONNELLAN. "Molecular systematic analysis demonstrates that the threatened southern bell frog, Litoria raniformis (Anura: Pelodryadidae) of eastern Australia, comprises two sub-species." Zootaxa 5228, no. 1 (January 11, 2023): 1–43. http://dx.doi.org/10.11646/zootaxa.5228.1.1.

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In south-eastern Australia, the pelodryadid Litoria aurea Group (sensu Tyler & Davies 1978) comprises three species: Litoria aurea (Lesson, 1829), Litoria raniformis (Keferstein, 1867), and Litoria castanea (Steindachner, 1867). All three species have been subject to declines over recent decades and taxonomic uncertainty persists among populations on the tablelands in New South Wales. We address the systematics of the Group by analysing mitochondrial and nuclear DNA sequences to assess divergence in the Litoria raniformis from across its current range in New South Wales (NSW), Victoria, So

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8

O'Neill, C. J., E. Humphreys, J. Louis, and A. Katupitiya. "Maize productivity in southern New South Wales under furrow and pressurised irrigation." Australian Journal of Experimental Agriculture 48, no. 3 (2008): 285. http://dx.doi.org/10.1071/ea06093.

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Irrigation farmers in the Murray–Darling Basin of Australia are under considerable pressure to reduce the amount of water they use for irrigation, while sustaining production and profitability. Changing from surface to pressurised irrigation systems may provide some or all of these outcomes; however, little is known about the performance of alternative irrigation methods for broadacre annual crops in this region. Therefore, a demonstration site for comparing furrow, subsurface drip and sprinkler irrigation was established on a representative clay soil in the Coleambally Irrigation Area, NSW. T

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9

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 reg

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10

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 pr

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11

Hart, Barry, Glen Walker, Asitha Katupitiya, and Jane Doolan. "Salinity Management in the Murray–Darling Basin, Australia." Water 12, no. 6 (June 26, 2020): 1829. http://dx.doi.org/10.3390/w12061829.

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The southern Murray–Darling Basin (MDB) is particularly vulnerable to salinity problems. Much of the Basin’s landscape and underlying groundwater is naturally saline with groundwater not being suitable for human or irrigation use. Since European settlement in the early 1800s, two actions—the clearance of deep-rooted native vegetation for dryland agriculture and the development of irrigation systems on the Riverine Plains and Mallee region—have resulted in more water now entering the groundwater systems, resulting in mobilization of the salt to the land surface and to rivers. While salinity has

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12

Unmack, P. J., M. J. Young, B. Gruber, D. White, A. Kilian, X. Zhang, and A. Georges. "Phylogeography and species delimitation of Cherax destructor (Decapoda: Parastacidae) using genome-wide SNPs." Marine and Freshwater Research 70, no. 6 (2019): 857. http://dx.doi.org/10.1071/mf18347.

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Cherax is a genus of 58 species of decapod crustaceans that are widespread across Australia and New Guinea. We use single-nucleotide polymorphisms (SNPs) to examine phylogeographic patterns in the most widespread species of Cherax, namely, C. destructor, and test the distinctiveness of one undescribed species, two C. destructor subspecies, previously proposed evolutionarily significant units, and management units. Both the phylogenetic analyses and the analysis of fixed allelic differences between populations support the current species-level taxonomy of C. setosus, C. depressus, C. dispar and

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13

Gell, Peter A. "Watching the tide roll away – contested interpretations of the nature of the Lower Lakes of the Murray Darling Basin." Pacific Conservation Biology 26, no. 2 (2020): 130. http://dx.doi.org/10.1071/pc18085.

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The Murray Darling Basin Plan (Murray Darling Basin Authority 2012) represents the largest investment by government in an Australian environmental management challenge and remains highly conflicted owing to the contested allocation of diminishing water resources. Central to the decision to reallocate consumptive water to environmental purposes in this Plan was the case made to maintain the freshwater character of two lakes at the terminus of the Murray Darling Basin, in South Australia. This freshwater state was identified as the natural condition on the basis of selected anecdotal evidence an

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14

Gell, Peter A. "Corrigendum to: Watching the tide roll away – contested interpretations of the nature of the Lower Lakes of the Murray Darling Basin." Pacific Conservation Biology 26, no. 2 (2020): 211. http://dx.doi.org/10.1071/pc18085_co.

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Abstract (sommario):

The Murray Darling Basin Plan (Murray Darling Basin Authority 2012) represents the largest investment by government in an Australian environmental management challenge and remains highly conflicted owing to the contested allocation of diminishing water resources. Central to the decision to reallocate consumptive water to environmental purposes in this Plan was the case made to maintain the freshwater character of two lakes at the terminus of the Murray Darling Basin, in South Australia. This freshwater state was identified as the natural condition on the basis of selected anecdotal evidence an

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15

T. Kingsford, Richard. "Managing Australia's Scarce Water Resources for the Environment." Pacific Conservation Biology 15, no. 1 (2009): 4. http://dx.doi.org/10.1071/pc090004.

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Australia has 12 major drainage basins, but most water use and extraction comes from the Murray- Darling Basin, despite not having Australia?s more populous cities. About 66% of surface water use in Australia is extracted from the rivers of the Murray-Darling Basin (NLWRA 2001). The ecological impacts are widespread and insurmountable: key ecosystems are in various stages of collapse. Many of these are conservation reserves and wetlands recognized for their international importance under the Ramsar Convention. Populations of native fish species are considered to be only at 10% of pre European

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16

Humphries, Paul. "Wilhelm Blandowski’s contribution to ichthyology of the Murray-Darling Basin, Australia." Proceedings of the Royal Society of Victoria 121, no. 1 (2009): 90. http://dx.doi.org/10.1071/rs09090.

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Wilhelm Blandowski is best known for the scandal that surrounded his attempts to name a number of new species of freshwater fish after prominent members of the Victorian scientific establishment. Although this 19th Century anecdote is diverting, it belies, I believe, the significant contribution that the first paid Victorian government zoologist made to the ichthyology of the Murray-Darling Basin. Although his claim to new species was exaggerated, his collections, assisted by Gerard Krefft were the most diverse to that date. There is no doubt – because Blandowski tells us as much – that the ex

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17

McLeod, SR, RB Hacker, and JP Druhan. "Managing the commercial harvest of kangaroos in the Murray-Darling Basin." Australian Mammalogy 26, no. 1 (2004): 9. http://dx.doi.org/10.1071/am04009.

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In this study a new, physiologically structured model of kangaroo population dynamics is described. The model has been used to examine a wide range of harvest rate � sex ratio combinations, following a simple harvest strategy where the quota was proportional to population size. The combinations of harvest rate and sex ratio in the harvest that best suited the objectives of the stakeholder groups (non-Government conservationists, wildlife management agencies, the kangaroo industry and pastoralists) were identified using multicriteria decision analysis. The best combinations for the stakeholder

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18

Koehn, John D., Stephen R. Balcombe, Lee J. Baumgartner, Christopher M. Bice, Kate Burndred, Iain Ellis, Wayne M. Koster, et al. "What is needed to restore native fishes in Australia’s Murray–Darling Basin?" Marine and Freshwater Research 71, no. 11 (2020): 1464. http://dx.doi.org/10.1071/mf20248.

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The Murray–Darling Basin (MDB) is Australia’s food bowl, contributing 40% of agricultural production and supporting a population of over 4 million people. Historically, the MDB supported a unique native fish community with significant cultural, subsistence, recreational, commercial and ecological values. Approximately one-quarter of the MDB’s native species are endemic. Changes to river flows and habitats have led to a &gt;90% decline in native fish populations over the past 150 years, with almost half the species now of conservation concern. Commercial fisheries have collapsed, and import

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19

Blackmore, Don, and Daniel Connell. "Are rural land practices in the Murray-Darling Basin a threat to the environment?" Soil Research 35, no. 5 (1997): 1037. http://dx.doi.org/10.1071/s96109.

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Over the last 150 years Australia has gained great economic rewards from the use of the natural resources of the Murray-Darling Basin. However, many of the methods used to gain those benefits are now seen as unsustainable. To maintain the region’s productivity in the future, a different approach to managing its natural resources is needed. This paper explains the economic and environmental importance of the Basin, describes the degradation that has occurred, and summarises the efforts being made to achieve sustainable management of the region.

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20

Higgisson, William, Sue Briggs, and Fiona Dyer. "Responses of nitre goosefoot (Chenopodium nitrariaceum) to simulated rainfall and depth and duration of experimental flooding." Marine and Freshwater Research 70, no. 4 (2019): 493. http://dx.doi.org/10.1071/mf18161.

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Nitre goosefoot (Chenopodium nitrariaceum (F.Muell.) is a woody shrub that occurs at the edges of floodplains and other intermittently flooded areas across the Murray–Darling Basin. No studies have been conducted on the hydrological requirements of nitre goosefoot, and the species is not considered in watering requirements of floodplain species of the Murray–Darling Basin. This study investigated the effects of simulated rainfall and depth and duration of experimental flooding on mortality, leaf production, biomass and seed production of nitre goosefoot. Nitre goosefoot plants were grown from

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21

Prosser, Ian P., Francis H. S. Chiew, and Mark Stafford Smith. "Adapting Water Management to Climate Change in the Murray–Darling Basin, Australia." Water 13, no. 18 (September 12, 2021): 2504. http://dx.doi.org/10.3390/w13182504.

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Climate change is threatening water security in water-scarce regions across the world, challenging water management policy in terms of how best to adapt. Transformative new approaches have been proposed, but management policies remain largely the same in many instances, and there are claims that good current management practice is well adapted. This paper takes the case of the Murray–Darling Basin, Australia, where management policies are highly sophisticated and have been through a recent transformation in order to critically review how well adapted the basin’s management is to climate change

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22

Barton, Diane P., Xiaocheng Zhu, Alara Nuhoglu, Luke Pearce, Matthew McLellan, and Shokoofeh Shamsi. "Parasites of Selected Freshwater Snails in the Eastern Murray Darling Basin, Australia." International Journal of Environmental Research and Public Health 19, no. 12 (June 13, 2022): 7236. http://dx.doi.org/10.3390/ijerph19127236.

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Aquatic snails serve an important role in the ecosystem. They also play an essential role in the life cycle of many parasites as hosts and may pose risks to animal and human health. In Australia, the role of snails in the transmission of parasites of livestock is well studied. However, despite the country’s unique biodiversity and wildlife, little is known about the role of snails in the transmission and survival of parasites in other ecosystems, including aquatic and aquaculture systems. This study aimed to determine the occurrence of parasites in freshwater snails in the eastern Murray Darli

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23

Wedderburn, S. D., C. M. Bice, and T. C. Barnes. "Prey selection and diet overlap of native golden perch and alien redfin perch under contrasting hydrological conditions." Australian Journal of Zoology 62, no. 5 (2014): 374. http://dx.doi.org/10.1071/zo14018.

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Many freshwater fishes have been introduced outside their natural range. The consequences have included the decline or extinction of native fishes, principally due to competition and predation. Redfin perch (Perca fluviatilis) is a highly efficient predatory fish species that was introduced to Australia in the 1800s. It now has a broad distribution in the Murray–Darling Basin, but its impacts on native fishes are largely unstudied. It often cohabits with native golden perch (Macquaria ambigua ambigua), which is similar from a trophic ecomorphology perspective. We examine prey selection and die

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24

Gippel, C., T. Jacobs, and T. McLeod. "Environmental flows and water quality objectives for the River Murray." Water Science and Technology 45, no. 11 (June 1, 2002): 251–60. http://dx.doi.org/10.2166/wst.2002.0402.

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Over the past decade, there intense consideration of managing flows in the River Murray to provide environmental benefits. In 1990 the Murray-Darling Basin Ministerial Council adopted a water quality policy: To maintain and, where necessary, improve existing water quality in the rivers of the Murray-Darling Basin for all beneficial uses - agricultural, environmental, urban, industrial and recreational, and in 1994 a flow policy: To maintain and where necessary improve existing flow regimes in the waterways of the Murray-Darling Basin to protect and enhance the riverine environment. The Audit o

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25

Gatehouse, Robyn D., I. S. Williams, and B. J. Pillans. "Fingerprinting windblown dust in south-eastern Australian soils by uranium-lead dating of detrital zircon." Soil Research 39, no. 1 (2001): 7. http://dx.doi.org/10.1071/sr99078.

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The U-Pb ages of fine-grained zircon separated from 2 dust-dominated soils in the eastern highlands of south-eastern Australia and measured by ion microprobe (SHRIMP) revealed a characteristic age ‘fingerprint’ from which the source of the dust has been determined and by which it will be possible to assess the contribution of dust to other soil profiles. The 2 soils are dominated by zircon 400–600 and 1000–1200 Ma old, derived from Palaeozoic granites and sediments of the Lachlan Fold Belt, but also contain significant components 100–300 Ma old, characteristic of igneous rocks in the New Engla

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26

Allan, Catherine, and Robyn J. Watts. "Framing Two Environmental Flow Trials in the Murray-Darling Basin, South-Eastern Australia." Water 14, no. 3 (January 29, 2022): 411. http://dx.doi.org/10.3390/w14030411.

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We make sense of the world around us through mental knowledge structures called ‘frames’. Frames, and the metaphors that help to form and maintain them, can be studied through examining discourse. In this paper, we aim to understand the framing of two trials with environmental water by analysing interview-derived discourse. Two separate flow trials, involving changes to river operating rules and practices, were undertaken in the Edward/Kolety-Wakool river system in Australia’s Murray-Darling Basin in 2017 and 2018, as part of the adaptive delivery of water for the environment. Semi-structured

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27

Mckenzie, DC, TS Abbott, KY Chan, PG Slavich, and DJM Hall. "The nature, distribution and management of sodic soils in New-South-Wales." Soil Research 31, no. 6 (1993): 839. http://dx.doi.org/10.1071/sr9930839.

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Accurate data on the distribution of the various types of sodic soils in New South Wales are not available. However, general observations suggest that large areas are affected by structural instability as a result of sodicity, particularly on grey clays and red-brown earths of the Murray-Darling Basin. There is a strong need for new sodicity surveys because the production of crops and pasture often is well below potential on these lands. Exchangeable sodium data on their own do not adequately describe sodic soil behaviour, so information is also required about related factors such as electrica

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28

Jerry, Dean R. "Phylogeography of the freshwater catfish Tandanus tandanus (Plotosidae): a model species to understand evolution of the eastern Australian freshwater fish fauna." Marine and Freshwater Research 59, no. 4 (2008): 351. http://dx.doi.org/10.1071/mf07187.

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The geologically complex eastern Australian coastal margin supports the highest taxonomic diversity of freshwater fishes on the continent. However, mechanisms leading to coastal biogeographic patterns are poorly understood. A 399-bp fragment of the hypervariable mtDNA control region was sequenced from populations of eel-tailed catfish (Tandanus tandanus) to determine their phylogeographic structure and to relate this to proposed biogeographic mechanisms and landform evolution. Genetic structure in Tandanus is complex, with haplotypes clustering into three lineages: a phylogenetically distant,

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29

Koehn, John D., and D. J. Harrington. "Collection and distribution of the early life stages of the Murray cod (Maccullochella peelii peelii) in a regulated river." Australian Journal of Zoology 53, no. 3 (2005): 137. http://dx.doi.org/10.1071/zo04086.

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The Murray cod (Maccullochella peelii peelii) is a large fish species keenly sought by anglers. However, this species has declined in distribution and abundance and is now listed nationally as vulnerable. This study was undertaken in the Ovens and Murray rivers, to collect larvae and age-0 Murray cod and determine the distribution of larval Murray cod around the mid-Murray River irrigation storage of Lake Mulwala. Murray cod larvae were collected from 17 of 18 sites: main channels and flowing anabranch channels of regulated and unregulated rivers, sites upstream and downstream of the lake, in

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Gonzalez, Dennis, Peter Dillon, Declan Page, and Joanne Vanderzalm. "The Potential for Water Banking in Australia’s Murray–Darling Basin to Increase Drought Resilience." Water 12, no. 10 (October 21, 2020): 2936. http://dx.doi.org/10.3390/w12102936.

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Banking water in aquifers during wet years for long-term storage then recovering it in drought is an application of managed aquifer recharge (MAR) that minimises evaporation losses. This requires a suitable aquifer for long-term storage of banked water and occasional periods when entitlements to surface water are available and affordable. This has been widely practised in Arizona and California but thus far not in Australia, in spite of severe impacts on agriculture, society, and the environment during recent droughts in the Murray–Darling Basin. This preliminary study based on a simple area e

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Humpage, AR, J. Rositano, AH Bretag, R. Brown, PD Baker, BC Nicholson, and DA Steffensen. "Paralytic shellfish poisons from Australian cyanobacterial blooms." Marine and Freshwater Research 45, no. 5 (1994): 761. http://dx.doi.org/10.1071/mf9940761.

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Saxitoxin-group neurotoxins (paralytic shellfish poisons) have been identified in a cultured strain of Anabaena circinalis and in natural bloom samples in which this species was the dominant organism collected from widely distributed sites in the Murray-Darling Basin of Australia. These toxins have hitherto been isolated almost exclusively from 'red tide' dinoflagellates and contaminated shellfish. Two 'aphantoxins', which appear to be identical to two of the paralytic shellfish poisons, have been identified in a cyanobacterium from a small number of sites in New Hampshire, USA. The conclusion

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Sluiter, Ian R. K., Andrew Schweitzer, and Ralph Mac Nally. "Spinifex–mallee revegetation: implications for restoration after mineral-sands mining in the Murray–Darling Basin." Australian Journal of Botany 64, no. 6 (2016): 547. http://dx.doi.org/10.1071/bt15265.

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Mineral-sands mining in the semiarid and arid zone of south-eastern Australia is now a widespread disturbance that may adversely affect large areas of remnant vegetation, including mallee (Eucalyptus spp.) with hummock grass or spinifex (Triodia scariosa) understorey. No broad-scale restoration projects have been undertaken to revegetate mallee Eucalyptus species with spinifex. We report on the survivorship and relative importance (spatial coverage) of hand-planted tubestock 10 years after establishment in 2001, which included mallee Eucalyptus, Triodia scariosa, Acacia spp. and Hakea spp. The

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Herczeg, A. L., S. S. Dogramaci, and F. W. J. Leaney. "Origin of dissolved salts in a large, semi-arid groundwater system: Murray Basin, Australia." Marine and Freshwater Research 52, no. 1 (2001): 41. http://dx.doi.org/10.1071/mf00040.

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Hypotheses to explain the source of the 1011 tons of salt in groundwaters of the Murray Basin, south-eastern Australia, are evaluated; these are (a) mixing with original sea water, (b) dissolution of salt deposits, (c) weathering of aquifer minerals and (d) acquisition of solutes via rainfall. The total salinity and chemistry of many groundwater samples are similar to sea-water composition. However, their stable isotopic compositions (δ18O= –6.5 ‰; δ2H = –35) are typical of mean winter rainfall, indicating that all the original sea water has been flushed out of the aquifer. Br/Cl mass ratios a

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Crimp, S. J., C. J. Stokes, S. M. Howden, A. D. Moore, B. Jacobs, P. R. Brown, A. J. Ash, P. Kokic, and P. Leith. "Managing Murray–Darling Basin livestock systems in a variable and changing climate: challenges and opportunities." Rangeland Journal 32, no. 3 (2010): 293. http://dx.doi.org/10.1071/rj10039.

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The key biophysical impacts associated with projected climate change in the Murray–Darling Basin (MDB) include: declines in pasture productivity, reduced forage quality, livestock heat stress, greater problems with some pests and weeds, more frequent droughts, more intense rainfall events, and greater risks of soil degradation. The most arid and least productive rangelands in the MDB region may be the most severely impacted by climate change, while the more productive eastern and northern grazing lands in the MDB may provide some opportunities for slight increases in production. In order to co

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35

Garrick, Dustin, Lucia De Stefano, Fai Fung, Jamie Pittock, Edella Schlager, Mark New, and Daniel Connell. "Managing hydroclimatic risks in federal rivers: a diagnostic assessment." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 2002 (November 13, 2013): 20120415. http://dx.doi.org/10.1098/rsta.2012.0415.

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Hydroclimatic risks and adaptive capacity are not distributed evenly in large river basins of federal countries, where authority is divided across national and territorial governments. Transboundary river basins are a major test of federal systems of governance because key management roles exist at all levels. This paper examines the evolution and design of interstate water allocation institutions in semi-arid federal rivers prone to drought extremes, climatic variability and intensified competition for scarce water. We conceptualize, categorize and compare federal rivers as social–ecological

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36

Anderson, JR, AK Morison, and DJ Ray. "Age and growth of Murray Cod, Maccullochella peelii (Perciformes: Percichthyidae), in the Lower Murray-Darling Basin, Australia, from thin-sectioned Otoliths." Marine and Freshwater Research 43, no. 5 (1992): 983. http://dx.doi.org/10.1071/mf9920983.

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Transverse thin sections (0.5 mm thick) of sagittal otoliths from 290 Murray cod up to 1400 mm in total length and 47.3 kg in weight were used to establish the age and growth of cod in the lower Murray-Darling Basin, including comparisons of recent (1986-91) and past (1949-51) growth rates and growth in different waters. The maximum estimated age was 48 years. Quantitative and qualitative analysis of the seasonal changes in otolith marginal increments showed that annuli in fish of all ages were laid down each spring, and 1 October was assigned as the birthday. The thin-sectioning method was va

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37

Watkins, Susanne C., G. P. Quinn, and Ben Gawne. "Changes in organic-matter dynamics and physicochemistry, associated with riparian vegetation loss and river regulation in floodplain wetlands of the Murray River, Australia." Marine and Freshwater Research 61, no. 10 (2010): 1207. http://dx.doi.org/10.1071/mf09312.

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Abstract (sommario):

Extensive clearing of floodplain forests potentially reduces organic matter available to floodplain wetlands. Furthermore, on rivers regulated to provide irrigation water in summer, floodplain wetlands that were previously inundated in spring, now flood in summer/autumn. In the Murray–Darling Basin, Australia, this has changed the timing of organic matter entering the aquatic phase, since leaf fall peaks in summer. Field surveys and mesocosm experiments on floodplain wetlands on the River Murray revealed faster processing rates of leaves in summer/autumn than spring, and no difference between

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38

Hammer, Michael P., Mark Adams, Peter J. Unmack, and Keith F. Walker. "A rethink on Retropinna: conservation implications of new taxa and significant genetic sub-structure in Australian smelts (Pisces:Retropinnidae)." Marine and Freshwater Research 58, no. 4 (2007): 327. http://dx.doi.org/10.1071/mf05258.

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Abstract (sommario):

The smelt genus Retropinna nominally includes three small (<150 mm) freshwater fish species endemic to south-eastern Australia and New Zealand. For the two Australian species, the broad range of R. semoni (Weber) on the mainland suggests some vulnerability to isolation and genetic divergence, whereas the apparent confinement of R. tasmanica McCulloch to Tasmania is curious if, as suspected, it is anadromous. Analyses of Australian material using allozyme electrophoresis show five genetically distinct species with contiguous ranges and no evidence of genetic exchange. Three occur along the e

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39

Kirby, Mac, Jeff Connor, Mobin-ud Din Ahmad, Lei Gao, and Mohammed Mainuddin. "Irrigator and Environmental Water Management Adaptation to Climate Change and Water Reallocation in the Murray–Darling Basin." Water Economics and Policy 01, no. 03 (September 2015): 1550009. http://dx.doi.org/10.1142/s2382624x15500095.

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In an earlier paper (Kirby et al. 2014a), we showed that climate change and a new policy which reallocates water to the environment will impact both the flow of water and the income derived from irrigation in the Murray–Darling Basin. Here, we extend the analysis to consider irrigator and environmental water management strategies to adapt to these new circumstances. Using an integrated hydrology-economics model, we examine a range of strategies and their impact on flows and the gross income of irrigation. We show that the adaptation strategies provide a range of flow and economic outcomes in t

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40

Haensch, Juliane, Sarah Ann Wheeler, Alec Zuo, and Henning Bjornlund. "The Impact of Water and Soil Salinity on Water Market Trading in the Southern Murray–Darling Basin." Water Economics and Policy 02, no. 01 (March 2016): 1650004. http://dx.doi.org/10.1142/s2382624x16500041.

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Abstract (sommario):

Irrigators in the Murray–Darling Basin (MDB) of Australia face a salinity triple threat, namely: dryland salinity, surface-water, and groundwater salinity. Water trading has now been adopted to the point where it is a common adaptation tool used by the majority of irrigators in the Basin. This study uses a number of unique water market and spatial databases to investigate the association between the severity and extent of areas which suffer from salinity and permanent trade over time, holding other regional characteristics constant. It was found that larger volumes of permanent water were like

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41

Bjornlund, Henning. "Irrigators and the new policy paradigm – An Australian case study." Water Policy 7, no. 6 (December 1, 2005): 581–95. http://dx.doi.org/10.2166/wp.2005.0035.

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Abstract (sommario):

The new water policy paradigm has been vigorously implemented and pursued in Australia since the early 1990s. This paper analyses how elements of this new paradigm have been adopted and perceived by irrigators within two different states of the Murray-Darling Basin in south eastern Australia and how these policies have had an impact on the lives and aspirations of farming families. The analyses are based on 700 telephone interviews with irrigators who have bought and sold water on the markets for temporary or permanent water as well as irrigators who have never traded. The analyses suggest tha

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42

Vanags, C. P., and R. W. Vervoort. "Hydrological and water-use efficiency implications of geomorphological stratification in palæochannels in the Northern Murray–Darling Basin." Crop and Pasture Science 64, no. 12 (2013): 1182. http://dx.doi.org/10.1071/cp13168.

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Abstract (sommario):

Regional climactic variability coupled with an increasing demand on water has placed an even greater pressure on managers to understand the complex relationships between surface water and groundwater in the Murray–Darling Basin. Based on limited soil sampling combined with geophysical observations, past research has suggested that relic subsurface drainage features (also known as palæochannels) have a higher risk of deep drainage and lateral flow, particularly where water is impounded or applied as irrigation. The aim of this study was to investigate the hydrological behaviour of an irrigated

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43

Nock, Catherine J., Martin S. Elphinstone, Stuart J. Rowland, and Peter R. Baverstock. "Phylogenetics and revised taxonomy of the Australian freshwater cod genus, Maccullochella (Percichthyidae)." Marine and Freshwater Research 61, no. 9 (2010): 980. http://dx.doi.org/10.1071/mf09145.

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Abstract (sommario):

Determining the phylogenetic and taxonomic relationships among allopatric populations can be difficult, especially when divergence is recent and morphology is conserved. We used mitochondrial sequence data from the control region and three protein-coding genes (1253 bp in total) and genotypes determined at 13 microsatellite loci to examine the evolutionary relationships among Australia’s largest freshwater fish, the Murray cod, Maccullochella peelii peelii, from the inland Murray–Darling Basin, and its allopatric sister taxa from coastal drainages, the eastern freshwater cod, M. ikei, and Mary

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44

Gell, Peter A., Sorell Bulpin, Peter Wallbrink, Gary Hancock, and Sophie Bickford. "Tareena Billabong - a palaeolimnological history of an ever-changing wetland, Chowilla Floodplain, lower Murray - Darling Basin, Australia." Marine and Freshwater Research 56, no. 4 (2005): 441. http://dx.doi.org/10.1071/mf04107.

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Abstract (sommario):

A 427-cm sediment core was extracted from Tareena Billabong, a Murray River floodplain wetland in the extreme south-west of New South Wales, Australia. Analysis of fossil diatoms and pollen, sediment 210Pb and 137Cs profiles and radiocarbon and luminescence dating reveal that Tareena Billabong has undergone substantial environmental change in its ~5000-year history. Shortly after its formation, the billabong was a freshwater lagoon with a diatom flora dominated by Synedra ulna and Planothidium lanceolatum. An increase in Aulacoseira granulata, a river plankton dominant today, reflects two phas

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45

Connell, Daniel. "Arguing the Case to Include a Wider Range of Stakeholders in the Murray–Darling Basin Policy Process." Water Economics and Policy 03, no. 03 (December 29, 2016): 1650040. http://dx.doi.org/10.1142/s2382624x16500405.

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Abstract (sommario):

Implementation of water reform in the Murray–Darling Basin has stalled. The principles remain in legislation, but government priorities are increasingly focused on irrigation-based agriculture rather than the comprehensive range of stakeholders with a legitimate interest in decisions about the future of the MDB. The negotiations required to gain parliamentary approval of the MDB Basin Plan in 2012 resulted in extensive concessions. Some have seriously damaged its integrity as a reform package. Within this now fragmented policy framework, the utility of important individual components has been

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46

Llewellyn, L. "Observations on the breeding biology ofAmbassis agassiziiSteindachner, 1867 (Teleostei: Ambassidae) from the Murray Darling Basin in New South Wales." Australian Zoologist 34, no. 4 (January 2008): 476–98. http://dx.doi.org/10.7882/az.2008.026.

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47

Briscoe, John. "The Harvard Water Federalism Project – process and substance." Water Policy 16, S1 (March 1, 2014): 1–10. http://dx.doi.org/10.2166/wp.2014.001.

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Abstract (sommario):

This Special Edition of Water Policy is one outcome of an innovative educational and research project, the Harvard Water Federalism Project, designed to train a new generation of students from a wide variety of disciplines to address the growing challenge of water security. This paper describes the core ideas behind the project, namely the creation of a new generation of ‘specialized integrators’ and that of exposing students to the wisdom of ‘thinking practitioners’. The paper describes the particular water problem chosen, namely that of the infrastructural and institutional challenges involv

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48

ROGERS, D. CHRISTOPHER, BRIAN V. TIMMS, MERLIJN JOCQUÈ, and LUC BRENDONCK. "A new genus and species of branchipodid fairy shrimp (Crustacea: Branchiopoda: Anostraca) from Australia." Zootaxa 1551, no. 1 (August 15, 2007): 49–59. http://dx.doi.org/10.11646/zootaxa.1551.1.3.

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Abstract (sommario):

A new anostracan genus with two new species in the family Branchipodidae is described from the Murray Darling basin, Australia. This is the first record of the family from Australia. Males of Australobranchipus typically have long and elaborate frontal appendages comparable to those in the branchipodid genera Branchipus and Pumilibranchipus. Females have a compact brood pouch like other branchipodid genera. Two new species in this genus are described (A. parooensis and A. gilgaiphila). Along with recent additions in Branchinella and Parartemia, and confirmation of the presence of Streptocephal

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49

Gabbrielli, E. "The use of modelling and reuse techniques in the development of water management systems in basins with limited water resources." Water Science and Technology 49, no. 7 (April 1, 2004): 33–38. http://dx.doi.org/10.2166/wst.2004.0409.

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Abstract (sommario):

Drawing on experiences in New South Wales from 1950 to 1980 in modeling and re-use techniques in the development of desalination technology and its application in fresh water production for potable use, the paper describes how Australia realized its responsibilities in developing participative and sustainable approaches to land use and water resources management. An analysis of the lessons from the operation of the Bayswater zero-discharge power station significantly contributed to the debate on sustainable approaches, highlighting that no management policy of a water basin can be implemented

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50

Callaghan, Jeff. "A comparison of weather systems in 1870 and 1956 leading to extreme floods in the Murray–Darling Basin." Journal of Southern Hemisphere Earth Systems Science 69, no. 1 (2019): 84. http://dx.doi.org/10.1071/es19003.

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Abstract (sommario):

This research is the extension of a project studying the impact of 19th century severe weather events in Australia and their relation to similar events during the 20th and 21st century. Two floods with the worst known impacts in the Murray–Darling Basin (MDB) are studied. One of these events which occurred during 1956 is relativelywell known and the Bureau of Meteorology archives contain good rainfall data covering the period. Additionally, information on the weather systems causing this rainfall can be obtained. Rainfall, flood and weather system data for this event are presented here and com

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