Continuing the discussion about ecological futures for the lower Murray River (Australia) in the Anthropocene
C. Max Finlayson
A C , Peter A. Gell B and John Conallin A
+ Author Affiliations
- Author Affiliations
A Institute for Land, Water, and Society, Charles Sturt University, PO Box 789, Albury, NSW 2640, Australia.
B School of Science, Psychology and Sport, Federation University Australia, Ballarat, Vic. 3350, Australia.
C Corresponding author. Email: mfinlayson@csu.edu.au
Marine and Freshwater Research 73(10) 1241-1244 https://doi.org/10.1071/MF20344
Submitted: 02 December 2020 Accepted: 17 March 2021 Published: 13 April 2021
Abstract
The lower Murray River (Australia) has been subject to considerable change from human activities, including the conversion of a variable flow system to one with regulated water levels and the conversion of the estuary to a freshwater system. These conditions will face further pressures owing to reduced flows and higher sea levels associated with climate change. Policy decisions to retain present target conditions could be reconsidered to improve habitat conditions for wetlands, native fish and waterbirds. Contrary to many views, this would be permissible under the Ramsar Convention and, by increasing the diversity of conditions, may assist managers to retain functional systems. This paper encourages a new conversation across the broader community to develop pathways to prepare for emerging pressures on the riverine ecosystems, and move into anthropogenic futures for the Lower Murray.
Keywords: Ramsar Convention, wetlands, climate change, waterbirds, fish.
References
Alexandra, J. (2020). The science and politics of climate risk assessment in Australia’s Murray–Darling Basin. Environmental Science & Policy 112, 17–27.| The science and politics of climate risk assessment in Australia’s Murray–Darling Basin.Crossref | GoogleScholarGoogle Scholar |
Baumgartner, L., Zampatti, B., Jones, M., Stuart, I., and Mallen-Cooper, M. (2014). Fish passage in the Murray–Darling Basin, Australia: not just an upstream battle. Ecological Management & Restoration 15, 28–39.
| Fish passage in the Murray–Darling Basin, Australia: not just an upstream battle.Crossref | GoogleScholarGoogle Scholar |
Calle, L., Gawlik, D. E., Xie, Z., Green, L., Lapointe, B., and Strong, A. (2016). Effects of tidal periodicities and diurnal foraging constraints on the density of foraging wading birds. The Auk 133, 378–396.
| Effects of tidal periodicities and diurnal foraging constraints on the density of foraging wading birds.Crossref | GoogleScholarGoogle Scholar |
Chiew, F. H. S., Hale, J., Joehnk, K. D., Reid, M. A., and Webster, I. T. (2020). Independent review of Lower Lakes science informing water management. Report for the Murray–Darling Basin Authority.
Colloff, M. J., and Pittock, J. (2019). Why we disagree about the Murray–Darling Basin Plan: water reform, environmental knowledge and the science-policy decision context. Australasian Journal of Water Resources 23, 88–98.
| Why we disagree about the Murray–Darling Basin Plan: water reform, environmental knowledge and the science-policy decision context.Crossref | GoogleScholarGoogle Scholar |
Davidson, N. C. (2016). Editorial: Understanding change in the ecological character of internationally important wetlands. Marine and Freshwater Research 67, 685–686.
| Editorial: Understanding change in the ecological character of internationally important wetlands.Crossref | GoogleScholarGoogle Scholar |
Dunham, J. B., Angermeier, P. L., Crausbay, S. D., Cravens, A. E., Gosnell, H., McEvoy, J., Moritz, M. A., Raheem, N., and Sanford, T. (2018). Rivers are socio-ecological systems: time to integrate human dimensions into riverscape ecology and management. WIREs. Water 5, e1291.
| Rivers are socio-ecological systems: time to integrate human dimensions into riverscape ecology and management.Crossref | GoogleScholarGoogle Scholar |
Finlayson, C. M., Capon, S. J., Rissik, D., Pittockm, J., Fisk, G., Davidson, N. C., Bodmin, K. A., Papas, P., Robertson, H. A., Schallenberg, M., Saintilan, N., Edyvane, K., and Bino, G. (2017). Policy considerations for managing wetlands under a changing climate. Marine and Freshwater Research 68, 1803–1815.
| Policy considerations for managing wetlands under a changing climate.Crossref | GoogleScholarGoogle Scholar |
Fluin, J. (2002). A diatom-based palaeolimnological investigation of the lower River Murray, south-eastern Australia. Ph.D. Thesis, Monash University, Melbourne, Vic., Australia.
Fluin, J., Gell, P., Haynes, D., and Tibby, J. (2007). Paleolimnological evidence for the independent evolution of neighbouring terminal lakes, the Murray Darling Basin, Australia. Hydrobiologia 591, 117–134.
| Paleolimnological evidence for the independent evolution of neighbouring terminal lakes, the Murray Darling Basin, Australia.Crossref | GoogleScholarGoogle Scholar |
Gell, P. A. (2020a). Watching the tide roll away: contested interpretations of the nature of the Lower lakes of the Murray Darling Basin. Pacific Conservation Biology 26, 130–141.
| Watching the tide roll away: contested interpretations of the nature of the Lower lakes of the Murray Darling Basin.Crossref | GoogleScholarGoogle Scholar |
Gell, P. A. (2020b). Watching the tide roll away: a response to Tibby et al. (2020). Pacific Conservation Biology 26, 338–343.
| Watching the tide roll away: a response to Tibby et al. (2020).Crossref | GoogleScholarGoogle Scholar |
Gell, P. A. (2020c). Restoring Murray River floodplain wetlands: Does the sediment record inform on watering regime? River Research and Applications 36, 620–629.
| Restoring Murray River floodplain wetlands: Does the sediment record inform on watering regime?Crossref | GoogleScholarGoogle Scholar |
Gell, P., and Reid, M. (2016). Muddied Waters: the case for mitigating sediment and nutrient flux to optimize restoration response in the Murray–Darling Basin, Australia. Frontiers in Ecology and Evolution 4, 16.
| Muddied Waters: the case for mitigating sediment and nutrient flux to optimize restoration response in the Murray–Darling Basin, Australia.Crossref | GoogleScholarGoogle Scholar |
Gell, P., Tibby, J., Fluin, J., Leahy, P., Reid, M., Adamson, K., Bulpin, S., MacGregor, A., Wallbrink, P., Hancock, G., and Walsh, B. (2005). Accessing limnological change and variability using fossil diatom assemblages, south-east Australia. River Research and Applications 21, 257–269.
| Accessing limnological change and variability using fossil diatom assemblages, south-east Australia.Crossref | GoogleScholarGoogle Scholar |
Gell, P. A., Finlayson, C. M., and Davidson, N. C. (2016). Understanding change in the ecological character of Ramsar wetlands: perspectives from a deeper time: synthesis. Marine and Freshwater Research 67, 869–879.
| Understanding change in the ecological character of Ramsar wetlands: perspectives from a deeper time: synthesis.Crossref | GoogleScholarGoogle Scholar |
Gell, P. A., Reid, M. A., and Wilby, R. L. (2019). Management pathways for floodplain wetlands of the southern Murray Darling Basin: lessons from history. River Research and Applications 35, 1291–1301.
| Management pathways for floodplain wetlands of the southern Murray Darling Basin: lessons from history.Crossref | GoogleScholarGoogle Scholar |
Haasnoot, M., Kwakkel, J. H., Walker, W. E., and ter Maat, J. (2013). Dynamic adaptive policy pathways: a method for crafting robust decisions for a deeply uncertain world. Global Environmental Change 23, 485–498.
| Dynamic adaptive policy pathways: a method for crafting robust decisions for a deeply uncertain world.Crossref | GoogleScholarGoogle Scholar |
Hale, J. and SKM (2011). Environmental water delivery: Edward–Wakool. Prepared for Commonwealth Environmental Water, Department of Sustainability, Environment, Water, Population and Communities.
Helfensdorfer, A. M., Power, H. E., and Hubble, T. C. T. (2019). Modelling Holocene analogues of coastal plain estuaries reveals the magnitude of sea-level threat. Scientific Reports 9, 2667.
| Modelling Holocene analogues of coastal plain estuaries reveals the magnitude of sea-level threat.Crossref | GoogleScholarGoogle Scholar | 30804465PubMed |
Hubble, T., Helfensdorfer, A., and Power, H. (2020). Response to ‘The predominantly fresh history of Lake Alexandrina, South Australia, and its implications for the Murray–Darling Basin Plan: a comment on Gell (2020)’. Pacific Conservation Biology 26, 215–217.
| Response to ‘The predominantly fresh history of Lake Alexandrina, South Australia, and its implications for the Murray–Darling Basin Plan: a comment on Gell (2020)’.Crossref | GoogleScholarGoogle Scholar |
Kingsford, R. T., and Porter, J. L. (2009). Monitoring waterbird populations with aerial surveys: what have we learnt? Wildlife Research 36, 29–40.
| Monitoring waterbird populations with aerial surveys: what have we learnt?Crossref | GoogleScholarGoogle Scholar |
Koehn, J., Todd, C., Thwaites, L., Stuart, I., Zampatti, B., Ye, Q., Conallin, A., Dodd, L., and Stamation, K. (2016). Managing flows and carp. Arthur Rylah Institute for Environmental Research Technical Report Series number 255. Department of Environment, Land, Water and Planning, Melbourne, Vic., Australia.
Kopf, R. K., Finlayson, C. M., Humphries, P., Sims, N. C., and Hladyz, S. (2015). Anthropocene baselines: human-induced changes to global freshwater biodiversity restoration potential. Bioscience 65, 798–811.
| Anthropocene baselines: human-induced changes to global freshwater biodiversity restoration potential.Crossref | GoogleScholarGoogle Scholar |
Mallen-Cooper, M., and Zampatti, B. P. (2018). History, hydrology and hydraulics: rethinking the ecological management of large rivers. Ecohydrology 11, e1965.
| History, hydrology and hydraulics: rethinking the ecological management of large rivers.Crossref | GoogleScholarGoogle Scholar |
Murray–Darling Basin Authority (2012). ‘Guide to the proposed Basin Plan. Vol. 2. Technical Background (Part 1)’. (MDBA: Canberra, ACT, Australia.)
Murray–Darling Basin Authority (2018). Southern Basin community profiles, MDBA, Canberra, ACT, Australia.
Murray–Darling Basin Authority (2020). Lower Lakes independent science review confirms river managers are on the right track. Media release 12 May 2020. MDBA, Canberra, ACT, Australia.
Ramsar Convention (1996). Resolution VI.1: working definitions of ecological character, guidelines for describing and maintaining the ecological character of listed sites, and guidelines for operation of the Montreux record. Ramsar Convention on Wetlands, Gland, Switzerland.
Ramsar Convention (2012a). Resolution XI.8 Streamlining procedures for describing Ramsar Sites at the time of designation and subsequent updates. Ramsar Convention on Wetlands, Gland, Switzerland.
Ramsar Convention (2012b). Statement by Australia concerning the Murray–Darling Basin. In ‘Conference report, 11th Meeting of the Conference of the Parties to the Convention on Wetlands’, 6–13 July 2012, Bucharest, Romania. pp. 71–72. (Ramsar Convention: Gland, Switzerland.)
Thom, B., Rocheta, E., Steinfeld, C., Harvey, N., Pittock, J., and Cowell, P. (2020). The role of coastal processes in the management of the mouth of the River Murray, Australia: present and future challenges. River Research and Applications 36, 656–667.
| The role of coastal processes in the management of the mouth of the River Murray, Australia: present and future challenges.Crossref | GoogleScholarGoogle Scholar |
Tibby, J., Muller, K., and Haynes, D. (2020). The predominantly fresh history of Lake Alexandrina, South Australia, and its implications for the Murray–Darling Basin Plan: a comment on Gell. Pacific Conservation Biology 26, 142–149.
| The predominantly fresh history of Lake Alexandrina, South Australia, and its implications for the Murray–Darling Basin Plan: a comment on Gell.Crossref | GoogleScholarGoogle Scholar |
