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Tesi sul tema "Murray-Darling River"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 21 febbraio 2023

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1

Williams, Mark Donald. "Salinity tolerance of small fishes from the Murray-Darling river system /." Title page, contents and conclusions only, 1987. http://web4.library.adelaide.edu.au/theses/09SB/09sbw725.pdf.

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2

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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Abstract (sommario):

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 la

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3

Jian, Jun. "Predictability of Current and Future Multi-River discharges: Ganges, Brahmaputra, Yangtze, Blue Nile, and Murray-Darling Rivers." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19777.

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Thesis (Ph.D)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2008.<br>Committee Chair: Judith Curry; Committee Chair: Peter J Webster; Committee Member: Marc Stieglitz; Committee Member: Robert Black; Committee Member: Rong Fu.

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4

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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Abstract (sommario):

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, re

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5

Francis, Cathy, and n/a. "A multi-scale investigation into the effects of permanent inundation on the flood pulse, in ephemeral floodplain wetlands of the River Murray." University of Canberra. Health, Design & Science, 2005. http://erl.canberra.edu.au./public/adt-AUC20061128.153926.

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Using a multi-scale experimental approach, the research undertaken in this thesis investigated the role of the flood pulse in ephemeral floodplain wetlands of the River Murray, in order to better understand the impact of river regulation (and permanent inundation) on these wetlands. An ecosystem-based experiment was conducted on the River Murray floodplain, to compare changes in nutrient availability and phytoplankton productivity in three ephemeral wetlands (over a drying/reflooding cycle) with three permanently inundated wetlands. In the ephemeral wetlands, both drying and re-flooding phases

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6

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.<br>"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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7

Sharpe, Clayton P. "Spawning and Recruitment Ecology of Golden Perch (Macquaria ambigua Richardson 1845) in the Murray and Darling Rivers." Thesis, Griffith University, 2011. http://hdl.handle.net/10072/366211.

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The golden perch (Macquaria ambigua Richardson 1845) is an iconic freshwater fish native to Australia’s Murray-Darling Basin. Like many other native fishes, golden perch have suffered declines in abundance and range since European settlement as a result of overfishing, habitat destruction, and dams that impede migration and regulate flows of the Murray-Darling river system. For more than four decades it has been widely considered that flow pulses and floods are proximate stimuli for spawning, and that floods enhance recruitment to sustain golden perch populations. It has, however, been shown r

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8

Job, Thomas Anthony. "A systemic investigation of coastal acid sulfate soil acidification in the River Murray Estuary, South Australia." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/23474.

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Abstract (sommario):

Extensive coastal acid sulfate soil (CASS) oxidation was observed in the River Murray Estuary (RME), South Australia, during an extreme drought (the Millennium Drought, 1996–2010). CASS oxidation causes significant surface water and porewater acidity, and the mobilisation of toxicants, negatively impacting proximal ecosystems and infrastructure. In this thesis I argue that the Millennium Drought acidification event provides a test case globally for how meteorological drought triggers extreme CASS oxidation, and how other variables can exacerbate the issue. I therefore present a systemic invest

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9

Clerke, Robert Bruce. "The ecology of the cane toad, Bufo marinus, on the Darling Downs of Southern Queensland and the prospects of further range expansion within the Murray-Darling River Catchment." Thesis, Queensland University of Technology, 1995.

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10

Nguyen, Duy. "An Investigation Of The Effect Of Meanders On Thermally Stratified Riverine Flow." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/29567.

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Abstract (sommario):

This thesis describes the influences of meander geometrics on thermally stratified open-channel flow. Results of this study contribute toward a greater understanding of the physical characteristics of flow in riverine environments. The presence of thermal stratification due to short-wave solar heating from above inhibits mixing, resulting in oxygen stratification and accumulation of contaminants and nutrients - conditions that have been found to cause long-term damage to the ecosystems. Reduced flow rates can also lead to acute damage events such as cyanobacterial outbreaks and mass fish kill

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11

Peterson, Kylie, and n/a. "Environmental impacts on spawning and survival of fish larvae and juveniles in an upland river system of the Murray-Darling Basin." University of Canberra. Resource, Environmental & Heritage Sciences, 2003. http://erl.canberra.edu.au./public/adt-AUC20060713.121419.

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Six rivers within the upper Mumbidgee catchment were sampled for larval and juvenile fish. The rivers represented both regulated and unregulated flow regimes and varied widely in size. There was wide variation in the larval fish communities supported by each river, both in terms of the species diversity and total abundance of fish sampled. The highly regulated reach of the Mumbidgee River sampled during this study had the highest numbers of native species and native individuals of any river sampled. In the two rivers selected for further study, the Murmmbidgee and Goodradigbee, there was a hig

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12

Syaifullah, of Western Sydney Hawkesbury University, and Faculty of Science and Technology. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia." THESIS_FST_XXX_Syaifullah_X.xml, 1999. http://handle.uws.edu.au:8081/1959.7/231.

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Abstract (sommario):

This study investigated the causes of high level of intra-and inter-population variation known to occur in the morphology of fish in the genus Hypseleotris Eleotride in southern Australia, particularly within the Murray-Darling river system. The three major objectives of the study were, identify the number and distribution of species,determine the genetic structure of the populations and analyse relationships between species and consider the process of speciation in this species complex. The investigation of morphological variation in Hypseleotris confirmed the presence of two well known speci

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13

Spriggs, Shelley. "Participatory decision making : new democracy or new delirium? /." [Richmond, N.S.W.] : Faculty of Environmental Management & Agriculture, University of Western Sydney, Hawkesbury, 1999. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030505.110740/index.html.

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14

Spriggs, Shelley. "Participatory decision making : new democracy or new delirium?" Thesis, [Richmond, N.S.W.] : Faculty of Environmental Management & Agriculture, University of Western Sydney, Hawkesbury, 1999. http://handle.uws.edu.au:8081/1959.7/109.

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Abstract (sommario):

Ever since the laborious consultation process to set the National Greenhouse Response Strategy (1991-1992), stakeholder 'consultation' has been something Australian governments do. Or attempt to do. A recent trend in NSW in particular has been to expand the concept and practice of consultation to multi-party, collaborative decision-making, also referred to as participatory democracy. One such initiative officially begun in August 1997 is the River Management Committee (RMC) exercise. For this tremendous outlay of financial and human resources, the government is taking a punt that the committee

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15

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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Abstract (sommario):

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

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16

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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Abstract (sommario):

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

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17

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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18

Judge, David, and n/a. "The Ecology of the polytopic freshwater turtle species, Emydura macquarii macquarii." University of Canberra. Resource, Environmental and Heritage Sciences, 2001. http://erl.canberra.edu.au./public/adt-AUC20050418.151350.

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Abstract (sommario):

An ecological study of Emydura macquarii macquarii in the south-east region of Australia was conducted between October 1995 and March 1998. E. m. macquarii is an abundant and widespread species of short-necked turtle that is highly variable in morphology and related life history attributes. No study in Australia had previously looked at geographic variation in biological traits in freshwater turtles, hence the level of variation in E. m. macquarii had been poorly documented. The principal aims of this study were to investigate the plasticity of life history traits across populations of E. m. m

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19

Molinari, Claire Marcella. "The environment, intergenerational equity & long-term investment." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:30dd270b-3f0f-4b8b-979e-904af5cb597b.

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This thesis brings together two responses to the question ‘how can the law extend the timeframe for environmentally relevant decision-making?’ The first response is drawn from the context of institutional investment, and addresses the timeframe and breadth of environmental considerations in pension fund investment decision-making. The second response is related to the context of public environmental decision-making by legislators, the judiciary, and administrators. Three themes underlie and bind the thesis: the challenges to decision-making posed by the particular temporal and spatial characte

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20

Srivastava, Sanjeev Kumar. "Predicting freshwater fish distribution in the Murray-Darling Basin." Phd thesis, 2005. http://hdl.handle.net/1885/150853.

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21

Ogden, Ralph Winston. "The impacts of farming and river regulation on billsbongs of the Southeast Murray Basin, Australia." Phd thesis, 1996. http://hdl.handle.net/1885/110241.

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This thesis is an investigation into the effects of farming and river regulation on billabong (floodplain lake) ecology. The study region is in the southeast comer of the Murray-Darling Basin. Billabongs comprise a significant natural freshwater lake system in the one million km2 drainage basin dominated by semi-arid conditions. The region was settled by Europeans in the middle 1800's, and early farming, activities, mainly the running of cattle and sheep, were particularly intense. Extensive timber extraction also occurred at this time. Both these activities have probably declined to a d

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22

O'Gorman, Emily. "Flood country : floods in the Murray and Darling River systems, 1850 to the present." Phd thesis, 2009. http://hdl.handle.net/1885/13225.

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Abstract (sommario):

In the region of drought-dominated inland eastern Australia now known as the MurrayDarling Basin, floods occupy a special status. Although relatively infrequent, they are crucial sources of water for people, animals, and plants. They drive hydrology in the region, supplying most of the surface and ground water. Floods are often transformative events for people as well as the non-human environment. This thesis explores Australian settlers' changing relationships with, and understandings of, the rivers and floodplains of the Murray and Darling river systems from 1850 to the present. It ana

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23

Jiang, Qiang. "Three essays on water modelling and management in the Murray-Darling Basin, Australia." Phd thesis, 2011. http://hdl.handle.net/1885/151262.

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The primary contributions of this thesis are the economic studies of proposed water use reductions and climate change, and the development of an integrated hydro-economic model for the Murray-Darling Basin, Australia. This water model not only simulates the land and water use in the Basin, but also optimises these uses for certain targets such as environmental flows. More importantly, this model can be applied to evaluate policy options for the Basin, such as water buybacks, and provide estimates of the possible impacts of climate change. The thesis consists of three main essays focusing on

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24

Shahjahan, Mosharefa. "Integrated river basin management for the Ganges: lessons from the Murray-Darling and Mekong River Basins (a Bangladesh perspective)." 2008. http://hdl.handle.net/2440/49983.

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This thesis examines the applicability of the Murray-Darling Basin (MDB) model of Integrated River Basin Management to the Ganges Basin by utilising the lessons from the Mekong experience of adopting the MDB model. The Ganges is one of the major rivers in the world and the sharing of its water has long been an issue of dispute between the riparian countries. Fragmented and uncoordinated upstream management of the Ganges has caused serious ecological and economic loss in the downstream environment posing a threat to future sustainability of river resources. Cooperation among the riparian countr

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25

Shahjahan, Mosharefa. "Integrated river basin management for the Ganges: lessons from the Murray-Darling and Mekong River Basins (a Bangladesh perspective)." Thesis, 2008. http://hdl.handle.net/2440/49983.

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Abstract (sommario):

This thesis examines the applicability of the Murray-Darling Basin (MDB) model of Integrated River Basin Management to the Ganges Basin by utilising the lessons from the Mekong experience of adopting the MDB model. The Ganges is one of the major rivers in the world and the sharing of its water has long been an issue of dispute between the riparian countries. Fragmented and uncoordinated upstream management of the Ganges has caused serious ecological and economic loss in the downstream environment posing a threat to future sustainability of river resources. Cooperation among the riparian

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26

Koehn, John Desmond. "The ecology and conservation management of Murray Cod Macullochella peelii peelii." 2006. http://repository.unimelb.edu.au/10187/2864.

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Abstract (sommario):

Murray cod Maccullochella peelii peelii is an iconic freshwater angling species that has suffered declines in abundance and is now listed as a nationally vulnerable species. Despite recognition of the need for biological knowledge to provide future management directions, little is known of its ecology. This thesis examines that ecology to provide new knowledge and recommendations for improved conservation management. (For complete abstract open document)

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27

Verdon, Danielle Cherie. "Pacific and Indian Ocean climate variability: implications for water resource management in eastern Australia." Thesis, 2007. http://hdl.handle.net/1959.13/1402983.

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Research Doctorate - Doctor of Philosophy (PhD)<br>The impacts of multi-temporal scale climate variability occurring over the Pacific and Indian Oceans on the rainfall and runoff regimes of eastern Australia are explored in this thesis. Three modes of natural climate variability are studied, the El Niño/Southern Oscillation (ENSO), the Interdecadal Pacific Oscillation (IPO) and the Indian Ocean Dipole (IOD). An analysis of historical rainfall and streamflow data for Queensland (QLD), New South Wales (NSW) and Victoria (VIC) reveals strong relationships between indices of ENSO and IPO variabili

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28

Jensen, Anne Elizabeth. "The roles of seed banks and soil moisture in recruitment of semi-arid floodplain plants: the River Murray, Australia." 2008. http://hdl.handle.net/2440/49169.

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Abstract (sommario):

The decline of floodplain vegetation along the Lower River Murray, South Australia, has evoked recommendations for ‘environmental flows’ to restore and maintain the health of the ecosystem. To assist managers to maximize benefits from environmental flows, this thesis considers the significance of water for germination and recruitment in key floodplain plant species. Three dominant species are considered, including two trees, river red gum (Eucalyptus camaldulensis) and black box (E. largiflorens), and an understorey shrub, tangled lignum (Muehlenbeckia florulenta). The soil seed bank was domin

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29

Cameron, Heather. "Water regulation and population management : investigation into the impacts of dams and foxes on Murray River turtles and comparison of management strategies." Thesis, 2017. http://hdl.handle.net/1959.7/uws:47647.

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Abstract (sommario):

Freshwater turtle populations have been declining globally due to a combination of natural and anthropogenic factors, with nearly half of the world freshwater turtles threatened with extinction. Australia is high on the list of contributing countries, with one third of its native species threatened with extinction. The Murray River is an obvious example with populations of its native species Emydura macquarii declining by 69% and Chelodina longicollis declining by 91% over the past 30 years. Nest predation by the red fox and the installation of water regulators, which have affected dispersal a

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30

Syaifullah. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia." Thesis, 1999. http://handle.uws.edu.au:8081/1959.7/231.

Testo completo

Abstract (sommario):

This study investigated the causes of high level of intra-and inter-population variation known to occur in the morphology of fish in the genus Hypseleotris Eleotride in southern Australia, particularly within the Murray-Darling river system. The three major objectives of the study were, identify the number and distribution of species,determine the genetic structure of the populations and analyse relationships between species and consider the process of speciation in this species complex. The investigation of morphological variation in Hypseleotris confirmed the presence of two well known speci

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31

Hamilton, Serena. "Modelling freshwater ecological systems under limited data and knowledge." Phd thesis, 2013. http://hdl.handle.net/1885/151053.

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Abstract (sommario):

Freshwater ecological systems throughout the world are extensively altered, with threatening processes being physical, chemical and biological. Data is often lacking to describe the processes within the system and their interactions. This thesis explores how modelling can be used to help understand and manage such complex systems under limited data and knowledge, by examining two Australian case studies. The first case study explores how fish species are distributed in the Murray-Darling Basin (MDB), Australia's largest river system, and attempts to understand the variations in fish assemblage

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32

Dwyer, Brian J. "Aspects of governance and public participation in remediation of the Murray-Darling Basin." Thesis, 2004. http://handle.uws.edu.au:8081/1959.7/776.

Testo completo

Abstract (sommario):

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

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