ORCID Profile
0000-0002-0048-9083
Current Organisations
Lawrence Livermore National Laboratory
,
Australian National University College of Asia and the Pacific
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In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Applied Economics | Environment And Resource Economics | Environment and Resource Economics | Dynamical Systems | Microeconomic Theory | Other Economics | Ecological Economics | Pure Mathematics | Environmental Science and Management | Economics Not Elsewhere Classified | Land Capability And Soil Degradation | Natural Resource Management | Evaluation Of Management Strategies | Climatology (Incl. Palaeoclimatology) | Agricultural Economics | Microeconomic Theory | Econometric and Statistical Methods | Economic Theory | Other Policy And Political Science | Animal Production Not Elsewhere Classified |
Ecological Economics | Rights to environmental and natural resources | Microeconomic issues not elsewhere classified | Productivity (excl. Public Sector) | Economic Growth | Ownership of the land | Expanding Knowledge in Economics | Land and water management | Marine protected areas | Integrated (ecosystem) assessment and management | Climate change | Water Allocation and Quantification | International agreements on trade | Trade policy | Integrated (ecosystem) assessment and management | Microeconomics not elsewhere classified | Livestock | Aboriginal and Torres Strait Islander heritage
Publisher: JSTOR
Date: 04-1996
DOI: 10.2307/135975
Publisher: Wiley
Date: 12-2014
Publisher: Elsevier BV
Date: 11-2012
Publisher: Routledge
Date: 31-03-2016
Publisher: Springer Science and Business Media LLC
Date: 20-01-2012
Publisher: Springer Science and Business Media LLC
Date: 28-11-2016
Publisher: Springer Science and Business Media LLC
Date: 25-11-2013
DOI: 10.1038/NCLIMATE1746
Publisher: Elsevier BV
Date: 1990
Publisher: Wiley
Date: 19-03-2010
DOI: 10.1111/J.1523-1739.2010.01489.X
Abstract: The nonuse (or passive) value of nature is important but time-consuming and costly to quantify with direct surveys. In the absence of estimates of these values, there will likely be less investment in conservation actions that generate substantial nonuse benefits, such as conservation of native species. To help overcome decisions about the allocation of conservation dollars that reflect the lack of estimates of nonuse values, these values can be estimated indirectly by environmental value transfer (EVT). EVT uses existing data or information from a study site such that the estimated monetary value of an environmental good is transferred to another location or policy site. A major challenge in the use of EVT is the uncertainty about the sign and size of the error (i.e., the percentage by which transferred value exceeds the actual value) that results from transferring direct estimates of nonuse values from a study to a policy site, the site where the value is transferred. An EVT is most useful if the decision-making framework does not require highly accurate information and when the conservation decision is constrained by time and financial resources. To account for uncertainty in the decision-making process, a decision heuristic that guides the decision process and illustrates the possible decision branches, can be followed. To account for the uncertainty associated with the transfer of values from one site to another, we developed a risk and simulation approach that uses Monte Carlo simulations to evaluate the net benefits of conservation investments and takes into account different possible distributions of transfer error. This method does not reduce transfer error, but it provides a way to account for the effect of transfer error in conservation decision making. Our risk and simulation approach and decision-based framework on when to use EVT offer better-informed decision making in conservation.
Publisher: IGI Global
Date: 2008
DOI: 10.4018/978-1-59904-962-5.CH005
Abstract: In this paper we apply Agent-Based Modelling (ABM) to capture the complexity of the diffusion process depicted in Medical Innovation, the classic study on diffusion of a new drug Tetracycline by (Coleman, Katz, & Menzel, 1966). Based on our previous model with homogenous social agents, Gammanym (Ratna, Dray, Perez, Grafton, Newth, & Kompas, 2007), in this paper we further our analysis with heterogenous social agents who vary in terms of their degree of predisposition to knowledge. We also explore the impact of stage-dependent degrees of external influence from the change agent, pharmaceutical company in this case. Cumulative diffusion curves suggest that the pharmaceutical company plays a much weaker role in accelerating the speed of diffusion when a diffusion dynamics is explored with complex agents, defined as heterogenous agents under stage-dependent degrees of external influence. Although our exploration with groups of doctors with different combination of social and professional integration signifies the importance of interpersonal ties, our analysis also reveals that degree of adoption threshold or in idual predisposition to knowledge is crucial for adoption decisions. Overall, our approach brings in fresh insights to the burgeoning policy literature exploring complexity, by providing necessary framework for research translation to policy and practice.
Publisher: Wiley
Date: 2019
Publisher: Springer Science and Business Media LLC
Date: 21-03-2015
Publisher: Wiley
Date: 19-06-2014
DOI: 10.1002/APP5.36
Publisher: Elsevier BV
Date: 11-2016
Publisher: IWA Publishing
Date: 11-2014
DOI: 10.2166/WP.2014.206
Abstract: Based on findings from participatory action research, we describe a process for the development of a Strategic Indigenous Reserve (SIR) in water for Indigenous groups in the Northern Territory, Australia. In the first case study at Mataranka, we show how a ‘top-down’ process initiated by the Northern Territory Government (NTG) was characterised by inadequate engagement and a failure to deliver water justice or an outcome accepted by the traditional owner groups. In a second case study at Oolloo, the traditional owner groups were engaged by the NTG in a consultation process, but it commenced with a unilateral offer of a water allocation to the SIR that was not formulated in a collaborative way. As a result, traditional owners considered the process unfair, and in turn, the allocation offer was perceived as ‘unfair’. Using insights from these two cases we outline an alternative and collaborative process to support engagement by decision-makers with Indigenous groups that promotes water allocations and outcomes that are just, sustainable and have broad-based community support.
Publisher: Elsevier BV
Date: 09-2005
Publisher: Springer Science and Business Media LLC
Date: 13-03-2023
Publisher: Elsevier BV
Date: 06-2002
Publisher: University of Chicago Press
Date: 07-2011
DOI: 10.1093/REEP/RER002
Publisher: Wiley
Date: 07-2010
Publisher: Springer Science and Business Media LLC
Date: 03-2014
DOI: 10.1057/GRIR.2014.5
Publisher: American Association for the Advancement of Science (AAAS)
Date: 24-08-2018
Abstract: Higher efficiency rarely reduces water consumption
Publisher: Edward Elgar Publishing
Date: 27-03-2014
Publisher: Elsevier BV
Date: 06-2011
Publisher: University of Wisconsin Press
Date: 24-06-2009
DOI: 10.3368/LE.85.3.454
Publisher: Springer Science and Business Media LLC
Date: 2005
Publisher: Wiley
Date: 06-2010
Publisher: Elsevier BV
Date: 05-2015
Publisher: Informa UK Limited
Date: 22-04-2010
Publisher: Informa UK Limited
Date: 26-07-2022
Publisher: Wiley
Date: 14-09-2007
Publisher: Springer Science and Business Media LLC
Date: 28-06-2021
DOI: 10.1007/S10389-021-01611-0
Abstract: We investigated the public health and economy outcomes of different levels of social distancing to control a ‘second wave’ outbreak in Australia and identify implications for public health management of COVID-19. In idual-based and compartment models were used to simulate the effects of different social distancing and detection strategies on Australian COVID-19 infections and the economy from March to July 2020. These models were used to evaluate the effects of different social distancing levels and the early relaxation of suppression measures, in terms of public health and economy outcomes. The models, fitted to observations up to July 2020, yielded projections consistent with subsequent cases and showed that better public health outcomes and lower economy costs occur when social distancing measures are more stringent, implemented earlier and implemented for a sufficiently long duration. Early relaxation of suppression results in worse public health outcomes and higher economy costs. Better public health outcomes (reduced COVID-19 fatalities) are positively associated with lower economy costs and higher levels of social distancing achieving zero community transmission lowers both public health and economy costs compared to allowing community transmission to continue and early relaxation of social distancing increases both public health and economy costs.
Publisher: Elsevier BV
Date: 2015
Publisher: Wiley
Date: 13-04-2009
Publisher: American Association for the Advancement of Science (AAAS)
Date: 07-12-2007
Abstract: About 25% of the world's fisheries are depleted such that their current biomass is lower than the level that would maximize the sustained yield (MSY). By using methods not previously applied in the fisheries conservation context, we show in four disparate fisheries (including the long-lived and slow-growing orange roughy) that the dynamic maximum economic yield (MEY), the biomass that produces the largest discounted economic profits from fishing, exceeds MSY. Thus, although it is theoretically possible that maximizing discounted economic profits may cause stock depletions, our results show there is a win-win: In many fisheries at reasonable discount rates and at current prices and costs, larger fish stocks increase economic profits. An MEY target that exceeds MSY and transfers from higher, future profits to compensate fishers for the transition costs of stock rebuilding would help overcome a key cause of fisheries overexploitation, industry opposition to lower harvests.
Publisher: Elsevier BV
Date: 12-2009
Publisher: Elsevier BV
Date: 09-2021
Publisher: Elsevier
Date: 2013
Publisher: Elsevier BV
Date: 07-2017
DOI: 10.1016/J.JENVMAN.2017.03.070
Abstract: Using a household-based data set of more than 12,000 households from 11 OECD countries, we analyse the factors underlying the decision by households to adopt energy-efficient and water-efficient equipment. We evaluate the roles of both attitudes and labelling schemes on the adoption of energy and water-efficient equipment, and also the interaction and complementarity between energy and water conservation behaviours. Our findings show: one, 'green' social norms and favourable attitudes towards the environment are associated with an increased likelihood of households' adoption of energy and water-efficient appliances two, households' purchase decisions are positively affected by their awareness, understanding, and trust of labelling schemes and three, there is evidence of complementarity between energy conservation and water conservation behaviours.
Publisher: Elsevier BV
Date: 12-2022
Publisher: University of Chicago Press
Date: 2000
Publisher: Wiley
Date: 06-2006
Publisher: Elsevier BV
Date: 08-2003
Publisher: JSTOR
Date: 06-1996
DOI: 10.2307/3440859
Publisher: Wiley
Date: 03-08-2016
DOI: 10.1111/NRM.12104
Publisher: Wiley
Date: 07-2003
Publisher: Cambridge University Press
Date: 17-02-2011
Abstract: Water is an increasingly critical issue at the forefront of global policy change, management and planning. There are growing concerns about water as a renewable resource, its availability for a wide range of users, aquatic ecosystem health, and global issues relating to climate change, water security, water trading and water ethics. This handbook provides the most comprehensive reference ever published on water resource issues. It brings together multiple disciplines to understand and help resolve problems of water quality and scarcity from a global perspective. Its case studies and 'foundation' chapters will be greatly valued by students, researchers and professionals involved in water resources, hydrology, governance and public policy, law, economics, geography and environmental studies.
Publisher: Springer Science and Business Media LLC
Date: 15-05-2007
Publisher: JSTOR
Date: 04-1996
DOI: 10.2307/135997
Publisher: SAGE Publications
Date: 09-2006
Abstract: This article reviews the importance of tuna fisheries in the western and central Pacific Ocean to Pacific Island Countries (PICs) and examines whether current and proposed institutional mechanisms for tuna management are sufficient to promote long-term tuna-led development. Potential gains exist from cooperation on tuna management however, it seems unlikely such benefits will be realized in the short or medium term despite the Convention on the Conservation and Management of Highly Migratory Fish Stocks in the Western and Central Pacific Ocean. Without improvements in the institutional capability of many PICs the tuna fisheries will likely fail to sustain the region's long-term development. Greater effort should be directed to support multinational institutions that reduce harvests, allow for transferability of harvesting rights across countries and vessels, manage financial risk, and for initiatives that improve the capacity and government effectiveness of PICs.
Publisher: Springer Science and Business Media LLC
Date: 10-03-2015
Publisher: American Association for the Advancement of Science (AAAS)
Date: 23-11-2017
Publisher: IWA Publishing
Date: 08-06-2015
DOI: 10.2166/WCC.2015.058
Abstract: Climate change directly threatens Indigenous cultures and livelihoods across Australia's Murray-Darling Basin (MDB). Using a modified grounded theory methodology, this study draws on in-depth interviews with Indigenous leaders and elders across the MDB to highlight that climate variability and over-extraction of water resources by agricultural users directly threatens the integrity of aquatic systems. As a consequence, Indigenous cultures and livelihoods reliant on these natural systems are at risk. Interviewees identify a range of systemic barriers that entrench vulnerability of Indigenous Peoples (IPs) in the MDB. Building on insights from the literature and from interviews, a Recognition, Empowerment and Devolution (RED) framework is developed to establish possible pathways to support climate adaptation by rural IPs. Fundamental to this RED framework is the need for non-Indigenous socio-institutional structures to create a ‘space’ to allow IPs the ability to adapt in their own ways to climate impacts.
Publisher: Elsevier BV
Date: 07-2012
Publisher: American Geophysical Union (AGU)
Date: 06-2018
DOI: 10.1029/2018EF000879
Publisher: Wiley
Date: 05-2016
DOI: 10.1002/APP5.128
Publisher: Springer Science and Business Media LLC
Date: 04-2021
DOI: 10.1007/S10584-021-03064-6
Abstract: We examine the relationship between socio-economic disadvantage and exposure to environmental hazard with data from the catastrophic 2019–2020 Australian wildfires (Black Summer) that burnt at least 19 million hectares, thousands of buildings and was responsible for the deaths of 34 people and more than one billion animals. Combining data from the National Indicative Aggregated Fire Extent (NIAFE) and 2016 Socio-Economic Indexes for Areas (SEIFA), we estimate the correlation between wildfire hazard exposure and an index of community-level socio-economic disadvantage. Wildfire hazard exposure is measured as the interaction between the percentage of area burnt and proximity of the fire to settlements. The results reveal a significant positive relationship between fire hazard exposure and socio-economic disadvantage, such that the most socio-economically disadvantaged communities bore a disproportionately higher hazard exposure in the Black Summer than relatively advantaged communities. Our spatial analysis shows that the socio-economic disadvantage and wildfire hazard exposure relationship exists in inner regional, outer regional and remote areas of New South Wales and Victoria, the two worst-hit states of the Black Summer catastrophe. Our spatial analysis also finds that wildfire hazard exposure, even within a small geographical area, vary substantially depending on the socio-economic profiles of communities. A possible explanation for our findings is resource gaps for fire suppression and hazard reduction that favour communities with a greater level of socio-economic advantage.
Publisher: Cold Spring Harbor Laboratory
Date: 23-06-2020
DOI: 10.1101/2020.06.21.20136549
Abstract: We compare the health and economic costs of early (actual), delayed and no suppression of COVID-19 infections in 2020 in Australia. Using a fit-for-purpose compartment model that we fitted from recorded data, a value of a statistical life year (VSLY) and an age-adjusted value of statistical life (A-VSL), we find: (1) the economic costs of no suppression are multiples more than for early suppression (2) VSLY welfare losses of fatalities equivalent to GDP losses mean that for early suppression to not to be the preferred strategy requires that Australians prefer more than 12,500–30,000 deaths to the economy costs of early suppression, depending on the fatality rate and (3) early rather than delayed suppression imposes much lower economy and health costs. We conclude that in high-income countries, like Australia, a ‘go early, go hard’ strategy to suppress COVID-19 results in the lowest estimated public health and economy costs.
Publisher: Wiley
Date: 10-2016
Publisher: Springer Science and Business Media LLC
Date: 29-09-2007
Publisher: Springer Science and Business Media LLC
Date: 19-07-2022
DOI: 10.1038/S41545-022-00174-1
Abstract: Drinking water quality remains a persistent challenge across regional and remote Australia. We reviewed public reporting by 177 utilities and conducted a national assessment of reported exceedances against the health-based and aesthetic guideline values of the Australian Drinking Water Guidelines (ADWG). Four definitions of a basic level of drinking water quality were tested to quantify service gaps across regional and remote areas of each subnational jurisdiction in 2018–2019. At least 25,245 people across 99 locations with populations reportedly accessed water services that did not comply with health-based guideline values. Including larger towns and water systems, the estimated service gap rises to at least 194,572 people across more than 115 locations. Considering health parameters and the ADWG definition of ‘good’ aesthetic characteristics, the reported service gap rises further to at least 627,736 people across 408 locations. Forty percent of all locations with recorded health exceedances were remote Indigenous communities. Monitoring and reporting gaps indicate that the actual incidence of non-compliance with the guideline values of the ADWG could be much higher than our estimates. Our results quantified the ergence in the assessment of water quality outcomes between Sustainable Development Goal Target 6.1 and the ADWG, demonstrated disparities between service levels in capital cities and the rest of Australia, and highlighted the need for place-based solutions. The methods and dataset provide a ‘proof-of-concept’ for an Australian national drinking water quality database to guide government investments in water services.
Publisher: Elsevier BV
Date: 2013
Publisher: SAGE Publications
Date: 12-2004
Abstract: Using cross-country data from a s le of low-, middle-, and high-income countries, this article provides the first empirical test of the empirical relationships between national measures of social capital (civic and public), social ergence, and social capacity on various indicators of national environmental performance. Overall, the results provide little empirical support for the hypothesis that social determinants have a statistically beneficial effect on national indicators of environmental quality but do show that higher population density is associated with increases in environmental degradation. The findings suggest that the presumption that social capital is always good for the environment may be as flawed as the previously widely held view that higher incomes are always associated with increased environmental degradation. The policy implication is that improved national environmental performance may be best achieved by limiting future increases in population density and lowering emission and input intensities.
Publisher: Wiley
Date: 03-2008
Publisher: Wiley
Date: 23-05-2018
DOI: 10.1002/APP5.244
Publisher: Elsevier BV
Date: 1995
Publisher: Cambridge University Press
Date: 2016
Publisher: Elsevier BV
Date: 2013
DOI: 10.1016/J.JENVMAN.2012.10.051
Abstract: Marine protected areas (MPAs) are a primary policy instrument for managing and protecting coral reefs. Successful MPAs ultimately depend on knowledge-based decision making, where scientific research is integrated into management actions. Fourteen coral reef MPA managers and sixteen academics from eleven research, state and federal government institutions each outlined at least five pertinent research needs for improving the management of MPAs situated in Australian coral reefs. From this list of 173 key questions, we asked members of each group to rank questions in order of urgency, redundancy and importance, which allowed us to explore the extent of perceptional mismatch and overlap among the two groups. Our results suggest the mismatch among MPA managers and academics is small, with no significant difference among the groups in terms of their respective research interests, or the type of questions they pose. However, managers prioritised spatial management and monitoring as research themes, whilst academics identified climate change, resilience, spatial management, fishing and connectivity as the most important topics. Ranking of the posed questions by the two groups was also similar, although managers were less confident about the achievability of the posed research questions and whether questions represented a knowledge gap. We conclude that improved collaboration and knowledge transfer among management and academic groups can be used to achieve similar objectives and enhance the knowledge-based management of MPAs.
Publisher: Elsevier BV
Date: 12-2023
Publisher: Canadian Science Publishing
Date: 1997
Publisher: Springer Science and Business Media LLC
Date: 24-10-2018
Publisher: Cambridge University Press
Date: 2016
Publisher: Cold Spring Harbor Laboratory
Date: 24-11-2020
DOI: 10.1101/2020.11.23.20236711
Abstract: To compare trends and undertake statistical analyses of differences in public health performance (confirmed cases and fatalities) of Nordic countries Denmark, Finland, Norway and Sweden, and New Zealand, in response to the COVID-19 pandemic. Per capita trends in total cases and per capita fatalities were analysed and difference-in-difference statistical tests undertaken to assess whether differences in stringency of mandated social distancing (SD) measures, testing rates and border closures explain cross-country differences. Sweden is a statistical outlier, relative to its Nordic neighbours, for both per capita cases and per capita fatalities associated with COVID-19 but not in terms of the reduction in economic growth. Sweden’s public health differences, compared to its Nordic neigbours, are partially explained by differences in terms of international border closures and the level of stringency of SD measures (including testing) implemented from early March to June 2020. We find that: one, early imposition of full international travel restrictions combined with high levels of government-mandated stringency of SD reduced the per capita cases and per capita fatalities associated with COVID-19 in 2020 in the selected countries and, two, in Nordic countries, less stringent government-mandated SD is not associated with higher quarterly economic growth.
Publisher: Springer Science and Business Media LLC
Date: 27-05-2010
Publisher: Wiley
Date: 07-2010
Publisher: Informa UK Limited
Date: 2003
Publisher: IWA Publishing
Date: 25-08-2011
DOI: 10.2166/WP.2011.016
Abstract: Water markets in Australia's Murray–Darling Basin (MDB) and the western USA are compared in terms of their ability to allocate scarce water resources. The study finds that the gains from trade in the MDB are worth hundreds of millions of dollars per year (note that all monetary units of dollars in this article are treated as US$ because Australian$ are converted at par). Total market turnover in water rights exceeds US$2 billion per year while the volume of trade exceeds over 20% of surface water extractions. In Arizona, California, Colorado, Nevada and Texas, trades of committed water annually range between 5 and 15% of total state freshwater ersions with over US$4.3 billion (2008 US$ monetary units in dollars are expressed in their value in US$ in 2008) spent or committed by urban buyers between 1987 and 2008. The two-market comparison suggests that policy attention should be directed towards ways of promoting water trade while simultaneously mitigating the legitimate third party concerns about how and where water is used, especially in conflicts between consumptive and in situ uses of water. The study finds that institutional innovation is feasible in both countries and that further understanding about the size, duration and distribution of third party effects from water trade and how these effects might be regulated, can improve water markets' ability to manage water scarcity better.
Publisher: Wiley
Date: 12-09-2014
DOI: 10.1111/FAF.12008
Publisher: American Geophysical Union (AGU)
Date: 09-04-2011
DOI: 10.1029/2010WR009820
Publisher: American Geophysical Union (AGU)
Date: 30-06-2011
DOI: 10.1029/2010WR009786
Publisher: Informa UK Limited
Date: 10-2005
Publisher: Elsevier BV
Date: 03-2023
Publisher: Edward Elgar Publishing Limited
Date: 2012
Publisher: MDPI AG
Date: 18-04-2019
DOI: 10.3390/W11040809
Abstract: The article constructively critiques the Organization for Economic Cooperation and Development’s (OECD) 12 Principles on Water Governance (the OECD Principles). The human rights standard, the United Nations Declaration on the Rights of Indigenous Peoples (UNDRIP), provided the foundation for conceptualizing Indigenous water rights. The analysis used a modification of Zwarteveen and Boelens’ 2014 framework of the four echelons of water contestation. The analysis indicates that the OECD Principles assume state authority over water governance, make invisible Indigenous peoples’ own water governance systems and perpetuate the discourses of water colonialism. Drawing on Indigenous peoples’ water declarations, the Anishinaabe ‘Seven Grandfathers’ as water governance principles and Haudenosaunee ex les, we demonstrate that the OECD Principles privilege certain understandings of water over others, reinforcing the dominant discourses of water as a resource and water governance based on extractive relationships with water. Reconciling the OECD Principles with UNDRIP’s human rights standard promotes Indigenous water justice. One option is to develop a reinterpretation of the OECD Principles. A second, potentially more substantive option is to review and reform the OECD Principles. A reform might consider adding a new dimension, ‘water justice,’ to the OECD Principles. Before reinterpretation or reform can occur, broader input is needed, and inclusion of Indigenous peoples into that process.
Publisher: Springer Science and Business Media LLC
Date: 03-1996
DOI: 10.1007/BF00058517
Publisher: Edward Elgar Publishing
Date: 25-09-2015
Publisher: Elsevier BV
Date: 11-1994
Publisher: SAGE Publications
Date: 18-07-2023
DOI: 10.1177/20530196231186962
Abstract: Two of Australia’s iconic river systems, Baaka in New South Wales (NSW) and Martuwarra in Western Australia (WA), are described in a narrative that connects Indigenous custodianship, bio-physical features and art, and contrasts settler law with First Law to provide multiple ways of seeing the two river systems. Our narrative is a shared response to: (1) upstream water extractions that have imposed large costs on Baaka and its peoples and (2) threats of water extractions and developments to Martuwarra. By scribing the voices of the two river systems, we have created a space to reimagine an emerging future that connects the past and present through the concept of ‘EveryWhen’, where First Law has primacy, and where art connects Indigenous knowledges to non-Indigenous understanding. Through a dialogue process with Indigenous knowledge holders, artists and water researchers, five action processes, or journeys, are identified to guide water decision making towards water justice.
Publisher: Wiley
Date: 03-2005
Publisher: Springer Netherlands
Date: 2015
Publisher: Informa UK Limited
Date: 1989
Publisher: Wiley
Date: 09-2007
Publisher: Springer Science and Business Media LLC
Date: 26-02-2014
Publisher: Wiley
Date: 28-08-2008
Publisher: Wiley
Date: 03-2007
Publisher: Wiley
Date: 14-09-2007
Publisher: Wiley
Date: 10-2010
DOI: 10.1111/J.1523-1739.2010.01590.X
Abstract: Changes in the management of the fin fish fishery of the Great Barrier Reef motivated us to investigate the combined effects on economic returns and fish biomass of no-take areas and regulated total allowable catch allocated in the form of in idual transferable quotas (such quotas apportion the total allowable catch as fishing rights and permits the buying and selling of these rights among fishers). We built a spatially explicit biological and economic model of the fishery to analyze the trade-offs between maintaining given levels of fish biomass and the net financial returns from fishing under different management regimes. Results of the scenarios we modeled suggested that a decrease in total allowable catch at high levels of harvest either increased net returns or lowered them only slightly, but increased biomass by up to 10% for a wide range of reserve sizes and an increase in the reserve area from none to 16% did not greatly change net returns at any catch level. Thus, catch shares and no-take reserves can be complementary and when these methods are used jointly they promote lower total allowable catches when harvest is relatively high and encourage larger no-take areas when they are small.
Publisher: Cambridge University Press
Date: 2021
Publisher: Wiley
Date: 22-03-2018
Publisher: Wiley
Date: 2019
DOI: 10.1002/APP5.269
Publisher: Springer Science and Business Media LLC
Date: 08-03-2015
Publisher: Wiley
Date: 08-11-2011
Publisher: Cambridge University Press
Date: 17-02-2011
Publisher: Cold Spring Harbor Laboratory
Date: 18-05-2020
DOI: 10.1101/2020.05.12.20098889
Abstract: Differences in COVID-19 testing and tracing across countries, as well as changes in testing within each country overtime, make it difficult to estimate the true (population) infection rate based on the confirmed number of cases obtained through RNA viral testing. We applied a backcasting approach, coupled with Monte Carlo methods, to estimate a distribution for the true (population) cumulative number of infections (infected and recovered) for 15 countries where reliable data are available. We find a positive relationship between the testing rate per 1,000 people and the implied true detection rate of COVID-19, and a negative relationship between the proportion who test positive and the implied true detection rate. Our estimates suggest that the true number of people infected across our s le of 15 developed countries is 18.2 (5-95% CI: 11.9-39.0) times greater than the reported number of cases. In in idual countries, the true number of cases exceeds the reported figure by factors that range from 1.7 (5-95% CI: 1.1-3.6) for Australia to 35.6 (5-95% CI: 23.2-76.3) for Belgium.
Publisher: Wiley
Date: 28-07-2015
Publisher: IWA Publishing
Date: 14-01-2011
DOI: 10.2166/WP.2010.063
Abstract: This paper examines water use efficiency and economic efficiency with a particular focus on the Murray-Darling Basin of Australia and the stated policy goal of increasing environmental flows of water in the Basin. The different measures of efficiency are explained, and their implications for water reform and the efficacy of market based approaches to addressing the water scarcity issues and environmental flow needs are explored. Public policies to subsidize investments for improvements in irrigation efficiency are shown not to be currently cost effective compared to alternatives, such as buying water through water markets. The implications of these findings, and the factors that determine the demand for irrigation water by competing uses, can guide policy makers undertaking water reforms in the agricultural sector to mitigate the environmental consequences of overuse of water resources.
Publisher: Cold Spring Harbor Laboratory
Date: 02-09-2020
DOI: 10.1101/2020.08.31.20185587
Abstract: Australia requires high quality evidence to optimise likely health and economy outcomes to effectively manage the current resurgence of COVID-19. We hypothesise that the most stringent social distancing (SD) measures (100% of level in Australia in April 2020) deliver better public health and economy outcomes. ‘Fit-for-purpose’ (in idual-based and compartment) models were used to simulate the effects of different SD and detection strategies on Australian COVID-19 infections and the economy from March to July 2020. Public reported COVID-19 data were used to estimate model parameters. Public health and economy outcomes for multiple social distancing levels were evaluated, assessing “hard” versus “soft” lockdowns, and for early versus later relaxation of social distancing. Outcomes included costs and the timing and magnitude of observed COVID-19 cases and cumulative deaths in Australia from March to June 2020. Higher levels of social distancing achieve zero community transmission with 100% probability and lower economy cost while low levels of social distancing result in uncontrolled outbreaks and higher economy costs. High social distancing total economy costs were $17.4B versus $41.2B for 0.7 social distancing. Early relaxation of suppression results in worse public health outcomes and higher economy costs. Better public health outcomes (reduced COVID-19 fatalities) are positively associated with lower economy costs and higher levels of social distancing achieving zero community transmission lowers both public health and economy costs compared to allowing community transmission to continue and early relaxation of social distancing increases both public health and economy costs. The known is that COVID-19 infections can be suppressed with social distancing (SD) measures of sufficient stringency and duration. The new is we find highest levels of SD (100% SD that prevailed in April 2020) generate much lower COVID-9 deaths reduced SD days increased economic activity and much higher probability of elimination over a subsequent 12-month period than lower levels of SD. The implications are that greater levels of SD are preferred to lower SD because they deliver both better public health and lower economy costs.
Publisher: Elsevier BV
Date: 02-2019
Publisher: WORLD SCIENTIFIC
Date: 29-06-2015
Publisher: Wiley
Date: 08-2000
Publisher: Informa UK Limited
Date: 20-02-2015
Publisher: Wiley
Date: 2004
Publisher: Cassyni
Date: 15-03-2023
Publisher: University of Chicago Press
Date: 2003
Publisher: Elsevier BV
Date: 09-2009
Publisher: Elsevier BV
Date: 03-1998
Publisher: Wiley
Date: 26-06-2014
DOI: 10.1111/CONL.12041
Publisher: Cambridge University Press
Date: 17-02-2011
Publisher: Cambridge University Press
Date: 17-02-2011
Publisher: Elsevier BV
Date: 05-2014
Publisher: Wiley
Date: 10-1996
Publisher: Springer Science and Business Media LLC
Date: 09-10-2019
Publisher: American Geophysical Union (AGU)
Date: 08-2011
DOI: 10.1029/2010WR009685
Publisher: Elsevier BV
Date: 12-2016
Publisher: Wiley
Date: 09-06-2011
Publisher: Elsevier BV
Date: 11-2004
Publisher: MDPI AG
Date: 14-01-2019
DOI: 10.3390/W11010137
Abstract: The world faces critical water risks in relation to water availability, yet water demand is increasing in most countries. To respond to these risks, some governments and water authorities are reforming their governance frameworks to achieve convergence between water supply and demand and ensure freshwater ecosystem services are sustained. To assist in this reform process, the Water Governance Reform Framework (WGRF) is proposed, which includes seven key strategic considerations: (1) well-defined and publicly available reform objectives (2) transparency in decision-making and public access to available data (3) water valuation of uses and non-uses to assess trade-offs and winners and losers (4) compensation for the marginalized or mitigation for persons who are disadvantaged by reform (5) reform oversight and “ch ions” (6) capacity to deliver and (7) resilient decision-making. Using these reform criteria, we assess current and possible water reforms in five countries: Murray–Darling Basin (Australia) Rufiji Basin (Tanzania) Colorado Basin (USA and Mexico) and Vietnam. We contend that the WGRF provides a valuable approach to both evaluate and to improve water governance reform and, if employed within a broader water policy cycle, will help deliver both improved water outcomes and more effective water reforms.
Publisher: Elsevier BV
Date: 2005
Publisher: University of Chicago Press
Date: 07-1996
Publisher: Elsevier BV
Date: 10-2017
Publisher: Cambridge University Press
Date: 2016
Abstract: The global energy transition from carbon-intensive to renewable fuels has increasingly demanded a better understanding of the causes and consequences of the rapid development of unconventional oil and gas. Focusing on key countries including the United States, Canada, China, Argentina, the United Kingdom and Australia, this book consists of case studies and in-depth analyses that weigh up the risks and rewards at regional, national and global scales. Explaining how and why unconventional fuels are transforming the global energy landscape, the strengths, weaknesses, opportunities and threats are explored through a political, economic and governance-based perspective. Emphasis is placed on how to regulate the industry, encompassing local issues, stakeholder engagement and the social licence to operate. The new baseline studies and standards introduced in this book provide a timely insight into the trade-offs across the social, economic and environmental domains, making this ideal for researchers and policymakers in energy fields, and for graduate students.
Publisher: Elsevier BV
Date: 07-2014
Publisher: Annual Reviews
Date: 05-10-2018
DOI: 10.1146/ANNUREV-RESOURCE-100517-023039
Abstract: We review recent water reforms and the consequences of water recovery intended to increase stream flows in the Murray-Darling Basin (MDB), Australia. The MDB provides a natural experiment of water recovery for the environment that includes ( a) the voluntary buy-back of water rights from willing sellers and ( b) the subsidization of irrigation infrastructure. We find that ( a) the actual increase in the volumes of water in terms of stream flows is much less than claimed by the Australian government ( b) subsidies to increase irrigation efficiency have reduced stream and groundwater return flows ( c) buy-backs are much more cost effective than subsidies ( d) many of the gains from water recovery have accrued as private benefits to irrigators and ( e) more than a decade after water recovery began, there is no observable basin-wide relationship between volumes of water recovered and flows at the mouth of the River Murray.
Publisher: American Geophysical Union (AGU)
Date: 05-2017
DOI: 10.1002/2016EF000506
Publisher: Springer Science and Business Media LLC
Date: 09-03-2017
Publisher: Springer Science and Business Media LLC
Date: 09-2005
DOI: 10.1016/J.BULM.2004.11.006
Abstract: To help manage the fluctuations inherent in fish populations scientists have argued for both an ecosystem approach to management and the greater use of marine reserves. Support for reserves includes empirical evidence that they can raise the spawning biomass and mean size of exploited populations, increase the abundance of species and, relative to reference sites, raise population density, biomass, fish size and ersity. By contrast, fishers often oppose the establishment and expansion of marine reserves and claim that reserves provide few, if any, economic payoffs. Using a stochastic optimal control model with two forms of ecological uncertainty we demonstrate that reserves create a resilience effect that allows for the population to recover faster, and can also raise the harvest immediately following a negative shock. The tradeoff of a larger reserve is a reduced harvest in the absence of a negative shock such that a reserve will never encompass the entire population if the goal is to maximize the economic returns from harvesting, and fishing is profitable. Under a wide range of parameter values with ecological uncertainty, and in the 'worst case' scenario for a reserve, we show that a marine reserve can increase the economic payoff to fishers even when the harvested population is not initially overexploited, harvesting is economically optimal and the population is persistent. Moreover, we show that the benefits of a reserve cannot be achieved by existing effort or output controls. Our results demonstrate that, in many cases, there is no tradeoff between the economic payoff of fishers and ecological benefits when a reserve is established at equal to, or less than, its optimum size.
Publisher: University of Wisconsin Press
Date: 12-09-2008
DOI: 10.3368/LE.84.4.652
Publisher: Elsevier BV
Date: 05-2010
Publisher: Informa UK Limited
Date: 09-2004
Publisher: Elsevier BV
Date: 09-2017
Publisher: Elsevier BV
Date: 11-2014
Publisher: Elsevier BV
Date: 07-2009
Publisher: Elsevier BV
Date: 2009
Publisher: Wiley
Date: 09-2004
Publisher: Elsevier BV
Date: 11-2014
Publisher: The Royal Society
Date: 11-2020
DOI: 10.1098/RSOS.200909
Abstract: Differences in COVID-19 testing and tracing across countries, as well as changes in testing within each country over time, make it difficult to estimate the true (population) infection rate based on the confirmed number of cases obtained through RNA viral testing. We applied a backcasting approach to estimate a distribution for the true (population) cumulative number of infections (infected and recovered) for 15 developed countries. Our s le comprised countries with similar levels of medical care and with populations that have similar age distributions. Monte Carlo methods were used to robustly s le parameter uncertainty. We found a strong and statistically significant negative relationship between the proportion of the population who test positive and the implied true detection rate. Despite an overall improvement in detection rates as the pandemic has progressed, our estimates showed that, as at 31 August 2020, the true number of people to have been infected across our s le of 15 countries was 6.2 (95% CI: 4.3–10.9) times greater than the reported number of cases. In in idual countries, the true number of cases exceeded the reported figure by factors that range from 2.6 (95% CI: 1.8–4.5) for South Korea to 17.5 (95% CI: 12.2–30.7) for Italy.
Publisher: Elsevier BV
Date: 03-2015
Publisher: Springer Science and Business Media LLC
Date: 21-04-2023
DOI: 10.1007/S10113-023-02051-0
Abstract: Nearly a billion people depend on tropical seascapes. The need to ensure sustainable use of these vital areas is recognised, as one of 17 policy commitments made by world leaders, in Sustainable Development Goal (SDG) 14 (‘Life below Water’) of the United Nations. SDG 14 seeks to secure marine sustainability by 2030. In a time of increasing social-ecological unpredictability and risk, scientists and policymakers working towards SDG 14 in the Asia–Pacific region need to know: (1) How are seascapes changing? (2) What can global society do about these changes? and (3) How can science and society together achieve sustainable seascape futures? Through a horizon scan, we identified nine emerging research priorities that clarify potential research contributions to marine sustainability in locations with high coral reef abundance. They include research on seascape geological and biological evolution and adaptation elucidating drivers and mechanisms of change understanding how seascape functions and services are produced, and how people depend on them costs, benefits, and trade-offs to people in changing seascapes improving seascape technologies and practices learning to govern and manage seascapes for all sustainable use, justice, and human well-being bridging communities and epistemologies for innovative, equitable, and scale-crossing solutions and informing resilient seascape futures through modelling and synthesis. Researchers can contribute to the sustainability of tropical seascapes by co-developing transdisciplinary understandings of people and ecosystems, emphasising the importance of equity and justice, and improving knowledge of key cross-scale and cross-level processes, feedbacks, and thresholds.
Publisher: Wiley
Date: 2017
DOI: 10.1002/APP5.162
Publisher: Wiley
Date: 11-07-2010
Publisher: Cambridge University Press (CUP)
Date: 17-05-2023
DOI: 10.1017/WAT.2023.2
Publisher: Elsevier BV
Date: 07-2008
Publisher: Canadian Science Publishing
Date: 03-2006
DOI: 10.1139/F05-247
Abstract: The failures of traditional target-species management have led many to propose an ecosystem approach to fisheries to promote sustainability. The ecosystem approach is necessary, especially to account for fisheryecosystem interactions, but by itself is not sufficient to address two important factors contributing to unsustainable fisheries: inappropriate incentives bearing on fishers and the ineffective governance that frequently exists in commercial, developed fisheries managed primarily by total-harvest limits and input controls. We contend that much greater emphasis must be placed on fisher motivation when managing fisheries. Using evidence from more than a dozen natural experiments in commercial fisheries, we argue that incentive-based approaches that better specify community and in idual harvest or territorial rights and price ecosystem services and that are coupled with public research, monitoring, and effective oversight promote sustainable fisheries.
Publisher: Canadian Science Publishing
Date: 03-1992
DOI: 10.1139/F92-058
Abstract: The problem of capturing economic rent in a fishery regulated by an in idual transferable quota scheme is addressed using a profit tax and a quota tax as two methods of rent collection. Using a theoretical model of a fishery with representative fishers employing different harvesting functions, the effects of the taxes are evaluated with respect to their ability to capture rent, flexibility to adjust to changes in the fishery, effects upon economic efficiency, the burden of taxation on different fishers, and ease of implementation. A quota tax is shown to be preferred over a comparable profit tax by those fishers who earn the highest average net returns on quota owned. A quota tax also has the potential to allow fishers to capture the full benefits of efficiency improvements. The profit tax can allow for greater risk sharing between the regulator and fishers and is able to capture the entire rent in the fishery in both the short and long run.
Publisher: The Royal Society
Date: 24-10-2022
Abstract: We respond to the problem of declining streamflows in the northern Murray–Darling Basin, Australia, a region that suffers from hydrological droughts and a drying trend. We partitioned the effect of meteorological trends from anthropogenic drivers on annual streamflow, quantified the effect of annual streamflow decline on waterbird abundance, estimated the effects of streamflow change on a measure of ecosystem resilience, and calculated the net benefits of in-stream water reallocation. The anthropogenic drivers of hydrological droughts were assessed by comparing the Lower Darling (hereafter the Barka) River, which has large recorded water extractions, with the adjacent Paroo River, which has very little recorded water extractions. Findings include: (1) only about one-third of the recent reduced streamflow of the Barka River is due to a meteorological drying trend (2) statistically significant declines in waterbird species richness and abundance have occurred on both rivers between 1983–2000 and 2001–2020 (3) declines in waterbird abundance have been much larger along the Barka River than the Paroo River and (4) ecosystem resilience, as measured by waterbird abundance, wasgreater on the Paroo River. Our four-step framework is applicable in any catchment with adequate time-series data and supports adaptive responses to hydrological droughts. This article is part of the Royal Society Science+ meeting issue ‘Drought risk in the Anthropocene’.
Publisher: Informa UK Limited
Date: 2007
Publisher: Elsevier BV
Date: 07-2003
Publisher: Wiley
Date: 09-2007
Publisher: Elsevier BV
Date: 10-2010
Publisher: American Geophysical Union (AGU)
Date: 03-2018
DOI: 10.1002/2017EF000777
Publisher: Elsevier BV
Date: 09-2013
Publisher: Springer Science and Business Media LLC
Date: 04-1994
DOI: 10.1007/BF00692202
Publisher: Springer Science and Business Media LLC
Date: 08-2017
DOI: 10.1038/548393D
Publisher: Informa UK Limited
Date: 24-02-2021
Publisher: Elsevier BV
Date: 07-2007
Publisher: Elsevier BV
Date: 09-2017
Publisher: Wiley
Date: 02-2010
Publisher: Wiley
Date: 11-2000
Publisher: Elsevier BV
Date: 06-2015
Publisher: The Royal Society
Date: 07-2015
DOI: 10.1098/RSOS.140521
Abstract: Conservation management agencies are faced with acute trade-offs when dealing with disturbance from human activities. We show how agencies can respond to permanent ecosystem disruption by managing for Pimm resilience within a conservation budget using a model calibrated to a metapopulation of a coral reef fish species at Ningaloo Reef, Western Australia. The application is of general interest because it provides a method to manage species susceptible to negative environmental disturbances by optimizing between the number and quality of migration connections in a spatially distributed metapopulation. Given ecological equivalency between the number and quality of migration connections in terms of time to recover from disturbance, our approach allows conservation managers to promote ecological function, under budgetary constraints, by offsetting permanent damage to one ecological function with investment in another.
Publisher: Wiley
Date: 25-10-2018
Publisher: Elsevier BV
Date: 09-2011
Publisher: Public Library of Science (PLoS)
Date: 14-06-2022
DOI: 10.1371/JOURNAL.PGPH.0000499
Abstract: Using three age-structured, stochastic SIRM models, calibrated to Australian data post July 2021 with community transmission of the Delta variant, we projected possible public health outcomes (daily cases, hospitalisations, ICU beds, ventilators and fatalities) and economy costs for three states: New South Wales (NSW), Victoria (VIC) and Western Australia (WA). NSW and VIC have had on-going community transmission from July 2021 and were in ‘lockdown’ to suppress transmission. WA did not have on-going community transmission nor was it in lockdown at the model start date (October 11 th 2021) but did maintain strict state border controls. We projected the public health outcomes and the economic costs of ‘opening up’ (relaxation of lockdowns in NSW and VIC or fully opening the state border for WA) at alternative vaccination rates (70%, 80% and 90%), compared peak patient demand for ICU beds and ventilators to staffed state-level bed capacity, and calculated a ‘preferred’ vaccination rate that minimizes societal costs and that varies by state. We found that the preferred vaccination rate for all states is at least 80% and that the preferred population vaccination rate is increasing with: (1) the effectiveness (infection, hospitalization and fatality) of the vaccine (2) the lower is the daily lockdown cost (3) the larger are the public health costs from COVID-19 (4) the higher is the rate of community transmission before opening up and (5) the less effective are the public health measures after opening up.
Publisher: Informa UK Limited
Date: 03-04-2014
Location: United States of America
Location: Australia
Start Date: 06-2012
End Date: 11-2017
Amount: $350,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2005
End Date: 06-2008
Amount: $150,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2004
End Date: 12-2009
Amount: $70,668.00
Funder: Australian Research Council
View Funded ActivityStart Date: 07-2020
End Date: 08-2025
Amount: $3,336,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2005
End Date: 12-2008
Amount: $142,402.00
Funder: Australian Research Council
View Funded ActivityStart Date: 01-2007
End Date: 07-2010
Amount: $270,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 10-2004
End Date: 12-2008
Amount: $80,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 03-2020
End Date: 12-2023
Amount: $157,699.00
Funder: Australian Research Council
View Funded ActivityStart Date: 01-2004
End Date: 03-2004
Amount: $10,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2017
End Date: 12-2021
Amount: $320,000.00
Funder: Australian Research Council
View Funded Activity