School of Ecosystem and Forest Sciences - Research Publications

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    Fragmentation of lateral connectivity and fish population dynamics in large rivers
    Stoffels, RJ ; Humphries, P ; Bond, NR ; Price, AE (Wiley, 2022-05-01)
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    The politicisation of science in the Murray-Darling Basin, Australia: discussion of 'Scientific integrity, public policy and water governance'
    Stewardson, MJ ; Bond, N ; Brookes, J ; Capon, S ; Dyer, F ; Grace, M ; Frazier, P ; Hart, B ; Horne, A ; King, A ; Langton, M ; Nathan, R ; Rutherfurd, I ; Sheldon, F ; Thompson, R ; Vertessy, R ; Walker, G ; Wang, QJ ; Wassens, S ; Watts, R ; Webb, A ; Western, AW (Taylor & Francis, 2021-10-30)
    Many water scientists aim for their work to inform water policy and management, and in pursuit of this objective, they often work alongside government water agencies to ensure their research is relevant, timely and communicated effectively. A paper in this issue, examining 'Science integrity, public policy and water governance in the Murray-Darling Basin, Australia’, suggests that a large group of scientists, who work on water management in the Murray-Darling Basin (MDB) including the Basin Plan, have been subject to possible ‘administrative capture'. Specifically, it is suggested that they have advocated for policies favoured by government agencies with the objective of gaining personal benefit, such as increased research funding. We examine evidence for this claim and conclude that it is not justified. The efforts of scientists working alongside government water agencies appear to have been misinterpreted as possible administrative capture. Although unsubstantiated, this claim does indicate that the science used in basin water planning is increasingly caught up in the politics of water management. We suggest actions to improve science-policy engagement in basin planning, to promote constructive debate over contested views and avoid the over-politicisation of basin science.
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    Species distributions represent intraspecific genetic diversity of freshwater fish in conservation assessments
    Hermoso, V ; Kennard, MJ ; Schmidt, DJ ; Bond, N ; Huey, JA ; Mondol, RK ; Jamandre, BW ; Hughes, JM (WILEY, 2016-10-01)
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    Go with the flow: the movement behaviour of fish from isolated waterhole refugia during connecting flow events in an intermittent dryland river
    Marshall, JC ; Menke, N ; Crook, DA ; Lobegeiger, JS ; Balcombe, SR ; Huey, JA ; Fawcett, JH ; Bond, NR ; Starkey, AH ; Sternberg, D ; Linke, S ; Arthington, AH (WILEY, 2016-08-01)
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    Assessment of the causes and solutions to the significant 2018-19 fish deaths in the Lower Darling River, New South Wales, Australia
    Sheldon, F ; Barma, D ; Baumgartner, LJ ; Bond, N ; Mitrovic, SM ; Vertessy, R (CSIRO Publishing, 2022-01-01)
    In late 2018 to early 2019, three significant fish death events occurred in the Lower Darling River, Australia, with mortality estimates of millions of fish. We examined the proximate and ultimate causes of these events. We determined that not only were the conditions existing at the time a significant contributing factor, but that antecedent conditions, particularly during the period 2010–17, also contributed. The extreme hot and dry climate during 2018, extending into 2019, shaped the conditions that saw a large fish biomass, which had flourished in the Darling River and Menindee Lakes since favourable spawning conditions in 2016, isolated in weir pools, with no means of escaping upstream or downstream. Strong and persistent weir pool stratification created hypoxic conditions in the hypolimnion. A series of sudden cool changes subsequently initiated rapid and sudden mixing of the stratified waters, causing depletion of oxygen throughout the water column and resulting in the fish deaths. The events were also shaped by broader climatic, hydrological and basin management contexts that placed the Lower Darling River at risk of such fish deaths. Our observations have implications for future river management, and we make several suggestions how policy makers and river operators can minimise fish death risks into the future.
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    Basal resource quality and energy sources in three habitats of a lowland river ecosystem
    McInerney, PJ ; Holt, G ; Lester, RE ; Thompson, RM ; Robson, B ; Ryder, DS ; Bond, NR ; Baldwin, DS ; Gawne, B ; Petrie, R (WILEY, 2020-07-05)
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    Research priorities for natural ecosystems in a changing global climate
    Williams, SE ; Hobday, AJ ; Falconi, L ; Hero, J-M ; Holbrook, NJ ; Capon, S ; Bond, NR ; Ling, SD ; Hughes, L (WILEY, 2020-02-01)
    Climate change poses significant emerging risks to biodiversity, ecosystem function and associated socioecological systems. Adaptation responses must be initiated in parallel with mitigation efforts, but resources are limited. As climate risks are not distributed equally across taxa, ecosystems and processes, strategic prioritization of research that addresses stakeholder-relevant knowledge gaps will accelerate effective uptake into adaptation policy and management action. After a decade of climate change adaptation research within the Australian National Climate Change Adaptation Research Facility, we synthesize the National Adaptation Research Plans for marine, terrestrial and freshwater ecosystems. We identify the key, globally relevant priorities for ongoing research relevant to informing adaptation policy and environmental management aimed at maximizing the resilience of natural ecosystems to climate change. Informed by both global literature and an extensive stakeholder consultation across all ecosystems, sectors and regions in Australia, involving thousands of participants, we suggest 18 priority research topics based on their significance, urgency, technical and economic feasibility, existing knowledge gaps and potential for cobenefits across multiple sectors. These research priorities provide a unified guide for policymakers, funding organizations and researchers to strategically direct resources, maximize stakeholder uptake of resulting knowledge and minimize the impacts of climate change on natural ecosystems. Given the pace of climate change, it is imperative that we inform and accelerate adaptation progress in all regions around the world.
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