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Articles de revues sur le sujet « Wetlands South Australia »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 31 janvier 2023

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1

Halse, SA, MR Williams, RP Jaensch, and JAK Lane. "Wetland characteristics and waterbird use of wetlands in south-western Australia." Wildlife Research 20, no. 1 (1993): 103. http://dx.doi.org/10.1071/wr9930103.

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The presence or absence of 61 waterbird species on 95 wetlands in south-western Australia was related to six wetland characteristics: salinity, emergent vegetation, water depth, pH, phosphorus level and wetland size. More species were associated with salinity and vegetation than with other wetland characteristics. There were more positive associations with brackish than with fresh or saline wetlands and few species occurred in hypersaline wetlands. Trees or shrubs and sedges were the vegetation with which most species were associated; few species were recorded on completely open wetlands or th

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Junk, Wolfgang J. "Long-term environmental trends and the future of tropical wetlands." Environmental Conservation 29, no. 4 (December 2002): 414–35. http://dx.doi.org/10.1017/s0376892902000310.

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Tropical wetlands assume important functions in the landscape and contribute considerably to the welfare of large parts of the human population, but they are seriously threatened because they are considered free resources of land and water. This review summarizes long-term environmental trends for tropical wetlands and predicts their future to the time horizon 2025. Many tropical countries do not have the economic strength, scientific and technological capacity, and/or administrative infrastructure to adequately react to the challenges of increasing population pressure and globalization of the

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Kingsford, R. T., K. Brandis, R. F. Thomas, P. Crighton, E. Knowles, and E. Gale. "Classifying landform at broad spatial scales: the distribution and conservation of wetlands in New South Wales, Australia." Marine and Freshwater Research 55, no. 1 (2004): 17. http://dx.doi.org/10.1071/mf03075.

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Relatively few large-scale inventories of the world's wetlands exist because of the difficulties of spatial scale, associated cost and multiple objectives, often temporally confounded, that drive classification. The extent of wetlands across a large part of Australia (New South Wales, 80.6 million ha) was determined using satellite image analyses. These data allowed analyses of the distribution of wetlands, their conservation status and potential threats at different spatial scales; that is, State, coastal and inland, and catchment. Approximately 5.6% of New South Wales is wetland (4.5 million

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Wahren, C. H., R. J. Williams, and W. A. Papst. "Alpine and Subalpine Wetland Vegetation on the Bogong High Plains, South-eastern Australia." Australian Journal of Botany 47, no. 2 (1999): 165. http://dx.doi.org/10.1071/bt97106.

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The botanical composition and structure of wetland vegetation from seven sites in the alpine and subalpine tracts of the Bogong High Plains was sampled in 1995 and 1996. Sites were in the vicinity of Mts Nelse, Cope and Fainter. Sampling was based on contiguous 1-m2 quadrats along transects 20−70 m long across each wetland. Samples were ordinated using non-metric multidimensional scaling (NMDS). Floristic variation was assessed both within selected individual wetlands, and between wetlands from different regions. The relationship between the ordinations and environmental variables such as soil

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Maher, MT, and LW Braithwaite. "Patterns of waterbird use in wetlands of the Paroo, A river system of inland Australia." Rangeland Journal 14, no. 2 (1992): 128. http://dx.doi.org/10.1071/rj9920128.

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The significance of inland wetlands to Australian waterbirds has been overlooked until recently. One important area identified from regular aerial survey centres on the Paroo River in north-western New South Wales. Between April 1983 and December 1985, a period covering a major flood, waterbird populations were estimated on five wetland systems associated with the Paroo during 14 trips. Fifty- three waterbird species were recorded with the anatids, Anas gibberifrons and Malacorhynchus membranaceus, accounting for 75 per cent of total estimated populations. Most breeding events were observed in

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Bino, G., R. T. Kingsford, and K. Brandis. "Australia's wetlands – learning from the past to manage for the future." Pacific Conservation Biology 22, no. 2 (2016): 116. http://dx.doi.org/10.1071/pc15047.

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Australia has diverse wetlands with multiple threats. We reviewed knowledge about the extent of wetlands, representativeness, impacts and threats to integrity and options for effective conservation. Natural Australian wetlands cover an estimated 33 266 245 ha (4.4%), with 55% palustrine (floodplains and swamps), followed by 31% lakes, 10% estuarine systems, and 5% rivers and creeks. The Lake Eyre (1.1%), Murray–Darling (0.73%), Tanami–Timor Sea Coast (0.71%) and the Carpentaria Coast (0.55%) drainage divisions have more wetlands, also reflected in the distributions among states and territories

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Gibson, N., G. J. Keighery, M. N. Lyons, and B. J. Keighery. "Threatened plant communities of Western Australia. 2 The seasonal clay-based wetland communities of the South West." Pacific Conservation Biology 11, no. 4 (2005): 287. http://dx.doi.org/10.1071/pc050287.

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The communities of seasonal clay-based wetlands of south-west Australia are described. They are amongst the most threatened In Western Australia. It is estimated that >90% of the original extent of these communities has been cleared for agriculture, and the remaining areas, despite largely occurring in conservation reserves, are threatened by weed invasion and rising saline groundwater. Thirty-six taxa are identified as claypan specialists occurring in six floristic communities. Composition was strongly correlated with rainfall and edaphic factors. The most consistent attribute shared betwe

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Mackenzie, Lydia, Henk Heijnis, Patricia Gadd, Patrick Moss, and James Shulmeister. "Geochemical investigation of the South Wellesley Island wetlands: Insight into wetland development during the Holocene in tropical northern Australia." Holocene 27, no. 4 (September 28, 2016): 566–78. http://dx.doi.org/10.1177/0959683616670219.

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The South Wellesley Islands in the Gulf of Carpentaria, northern Australia, were the recent focus of a palynological investigation which found vegetation change during the Holocene was driven by coastal progradation and regional climate. Here, we present new elemental data from x-ray fluorescence core scanning which provides non-destructive, continuous and high resolution analysis from three wetlands across Bentinck Island, the largest of the South Wellesley Islands. Elemental data and grain size analyses are combined with lead-210 (210Pb) and accelerator mass spectrometry (AMS) carbon-14 (14C

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Moss, Patrick, John Tibby, Felicity Shapland, Russell Fairfax, Philip Stewart, Cameron Barr, Lynda Petherick, Allen Gontz, and Craig Sloss. "Patterned fen formation and development from the Great Sandy Region, south-east Queensland, Australia." Marine and Freshwater Research 67, no. 6 (2016): 816. http://dx.doi.org/10.1071/mf14359.

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The Great Sandy Region (incorporating Fraser Island and the Cooloola sand-mass), south-east Queensland, contains a significant area of Ramsar-listed coastal wetlands, including the globally important patterned fen complexes. These mires form an elaborate network of pools surrounded by vegetated peat ridges and are the only known subtropical, Southern Hemisphere examples, with wetlands of this type typically located in high northern latitudes. Sedimentological, palynological and charcoal analysis from the Wathumba and Moon Point complexes on Fraser Island indicate two periods of swamp formation

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T. Kingsford, Richard, Rachael F. Thomas, and Alison L. Curtin. "Conservation of wetlands in the Paroo and Warrego River catchments in arid Australia." Pacific Conservation Biology 7, no. 1 (2001): 21. http://dx.doi.org/10.1071/pc010021.

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Irrigation proposals to divert water from the Paroo and Warrego Rivers in arid Australia will affect their aquatic ecosystems. These two are the last of 26 major rivers in the Murray-Darling Basin without large dams and diversions. Knowledge of the extent of their biodiversity value is critical to assessing likely impacts. During the 1990 flood, 1.73 million ha of wetlands, or 12.5% of the land surface of the Paroo and Warrego River catchments, were flooded. Flooded wetland area in the respective catchments was 781 330 ha and 890 534 ha. Most of the wetland area (97%) was floodplain, with 37 f

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Venables, Anne, and Paul I. Boon. "What environmental, social or economic factors identify high-value wetlands? Data-mining a wetlands database from south-eastern Australia." Pacific Conservation Biology 22, no. 4 (2016): 312. http://dx.doi.org/10.1071/pc15034.

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Large amounts of potentially useful information are collected by management agencies as they attempt to identify high-value wetlands and rank them for investment, protection or rehabilitation. Resource constraints frequently mean these information-rich databases are not fully interrogated, with the result that much of their expensively obtained information is only partially analysed or, worse, is not analysed at all. The present paper shows the benefit of rigorously interrogating such databases to identify wetlands of high social, economic or environmental value. Three data-mining methods, nam

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Whalley, R. D. B., J. N. Price, M. J. Macdonald, and P. J. Berney. "Drivers of change in the Social-Ecological Systems of the Gwydir Wetlands and Macquarie Marshes in northern New South Wales, Australia." Rangeland Journal 33, no. 2 (2011): 109. http://dx.doi.org/10.1071/rj11002.

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The Murray–Darling Basin is a Social-Ecological System (SES) of major importance to Australia and includes extensive wetland areas in the north-western parts of New South Wales. The Gwydir Wetlands and the Macquarie Marshes are the particular focus of this paper. These two wetland SES have undergone five successive adaptive cycles (phases) since they were first visited by Europeans in the early 19th century and the ecological, economic and social drivers initiating each transformation to a new cycle are described and analysed. The arrival of the European settlers with their domestic livestock

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Navarro, Alejandro, Mary Young, Peter I. Macreadie, Emily Nicholson, and Daniel Ierodiaconou. "Mangrove and Saltmarsh Distribution Mapping and Land Cover Change Assessment for South-Eastern Australia from 1991 to 2015." Remote Sensing 13, no. 8 (April 8, 2021): 1450. http://dx.doi.org/10.3390/rs13081450.

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Coastal wetland ecosystems, such as saltmarsh and mangroves, provide a wide range of important ecological and socio-economic services. A good understanding of the spatial and temporal distribution of these ecosystems is critical to maximising the benefits from restoration and conservation projects. We mapped mangrove and saltmarsh ecosystem transitions from 1991 to 2015 in south-eastern Australia, using remotely sensed Landsat data and a Random Forest classification. Our classification results were improved by the addition of two physical variables (Shuttle Radar Topographic Mission (SRTM), an

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Halse, S. A., J. K. Ruprecht, and A. M. Pinder. "Salinisation and prospects for biodiversity in rivers and wetlands of south-west Western Australia." Australian Journal of Botany 51, no. 6 (2003): 673. http://dx.doi.org/10.1071/bt02113.

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Saline water was common in south-west Western Australian aquatic systems prior to land-clearing because most streams and wetlands were ephemeral and evapo-concentrated as they dried, and there were high concentrations of stored salt in groundwater and soil profiles. Nevertheless, a 1998 review of salinity trends in rivers of south-west Western Australia showed that 20-fold increases in salinity concentrations had occurred since clearing in the medium-rainfall zone (300–700 mm). More recent data confirm these trends and show that elevated salinities have already caused substantial changes to th

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Higgisson, William, Adrian Cobb, Alica Tschierschke, and Fiona Dyer. "The Role of Environmental Water and Reedbed Condition on the Response of Phragmites australis Reedbeds to Flooding." Remote Sensing 14, no. 8 (April 13, 2022): 1868. http://dx.doi.org/10.3390/rs14081868.

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Globally, wetlands have experienced significant declines in area and condition. Reedbeds are a key attribute of many wetlands and are typically composed of Phragmites australis (common reed), a globally distributed emergent aquatic perennial grass. Environmental water is increasingly used to support functioning river and floodplain ecosystems, including reedbeds, where maintaining wetland vegetation condition is a common objective. Drone-based remote sensing allows for the consistent collection of high-quality data in locations such as wetlands where access is limited. We used unoccupied aeria

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Boon, Paul I., Kerri L. Muller, and George G. Ganf. "Methane emissions from diverse wetlands in south-eastern Australia." SIL Proceedings, 1922-2010 27, no. 3 (November 2000): 1382–86. http://dx.doi.org/10.1080/03680770.1998.11901462.

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Ling, J. E., M. T. Casanova, I. Shannon, and M. Powell. "Development of a wetland plant indicator list to inform the delineation of wetlands in New South Wales." Marine and Freshwater Research 70, no. 3 (2019): 322. http://dx.doi.org/10.1071/mf18114.

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Wetlands experience fluctuating water levels, so their extent varies spatially and temporally. This characteristic is widespread and likely to increase as global temperatures and evaporation rates increase. The temporary nature of wetlands can confound where a wetland begins and ends, resulting in unreliable mapping and determination of wetland areas for inventory, planning or monitoring purposes. The occurrence of plants that rely on the presence of water for part or all of their life history can be a reliable way to determine the extent of water-affected ecosystems. A wetland plant indicator

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Wen, Li, and Michael G. Hughes. "Coastal Wetland Responses to Sea Level Rise: The Losers and Winners Based on Hydro-Geomorphological Settings." Remote Sensing 14, no. 8 (April 14, 2022): 1888. http://dx.doi.org/10.3390/rs14081888.

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Many coastal wetlands are under pressure due to climate change and the associated sea level rise (SLR). Many previous studies suggest that upslope lateral migration is the key adaptive mechanism for saline wetlands, such as mangroves and saltmarshes. However, few studies have explored the long-term fate of other wetland types, such as brackish swamps and freshwater forests. Using the current wetland map of a micro-tidal estuary, the Manning River in New South Wales, Australia, this study built a machine learning model based on the hydro-geomorphological settings of four broad wetland types. Th

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Robinson, Randall W., Paul I. Boon, Nina Sawtell, Elizabeth A. James, and Robert Cross. "Effects of environmental conditions on the production of hypocotyl hairs in seedlings of Melaleuca ericifolia (swamp paperbark)." Australian Journal of Botany 56, no. 7 (2008): 564. http://dx.doi.org/10.1071/bt06186.

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The production of hypocotyl hairs in the early stages of seedling development can strongly influence the success with which plants recruit sexually in harsh environments. Although wetlands are one type of environment in which seedlings might be expected to develop hypocotyl hairs, there have been few studies of these structures in the woody aquatic plants. We investigated the production of hypocotyl hairs in Melaleuca ericifolia Sm., a small wetland tree widely distributed across swampy coastal areas of south-eastern Australia, in relation to water availability, salinity, temperature and light

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Raisin, G. W., and D. S. Mitchell. "The use of wetlands for the control of non-point source pollution." Water Science and Technology 32, no. 3 (August 1, 1995): 177–86. http://dx.doi.org/10.2166/wst.1995.0139.

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There is increasing interest in the use of wetlands to intercept nutrients in diffuse run-off from rural catchments. However, the scientific basis for this strategy is far from secure. While research in several countries provides support for this approach, there is a general lack of rigorous data sets of nutrient balances showing the real effect of such wetlands on the quality of run-off emanating from rural catchments. Research being conducted on two natural and one constructed wetlands in south-eastern Australia will contribute to filling this gap. In each of these three wetlands, volume of

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Mackenzie, Lydia, Patrick Moss, and Sean Ulm. "A late-Holocene record of coastal wetland development and fire regimes in tropical northern Australia." Holocene 30, no. 10 (June 16, 2020): 1379–90. http://dx.doi.org/10.1177/0959683620932970.

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This study presents three records of environmental change during the late-Holocene from wetlands across Bentinck Island in the South Wellesley Islands, northern Australia. Radiometric dating provided ages for sediment cores with the longest chronology spanning the last 1250 cal. yr BP. Palynological results show the diverse mangrove community transitioned to woodland- and wetland-dominated vegetation over the last 850 years on the southeast coast. The key driver of this landscape change was likely late-Holocene sea level regression and coastal progradation in the Gulf of Carpentaria. This stud

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Hurst, Thomas, and Paul I. Boon. "Agricultural weeds and coastal saltmarsh in south-eastern Australia: an insurmountable problem?" Australian Journal of Botany 64, no. 4 (2016): 308. http://dx.doi.org/10.1071/bt16027.

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It is often assumed that saline coastal wetlands experience environmental conditions so severe that they are largely immune to invasion by exotic plant species. The belief is implicit in many older reviews of threats to mangroves and coastal saltmarshes, where a limited range of vascular plant taxa, often focussing on *Spartina, (throughout the paper an asterisk denotes an introduced (exotic) species as per Carr 2012) have been invoked as the major species of concern. Even though the weed flora of southern Australia is derived largely from agriculture and horticulture, neither of which include

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Bachmann, Mark R. "Restoration journey of the Piccaninnie Ponds Karst Wetlands, South Australia." Ecological Management & Restoration 17, no. 2 (May 2016): 102–11. http://dx.doi.org/10.1111/emr.12207.

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Gibson, Robert, Barry J. Conn, and Jeremy J. Bruhl. "Morphological evaluation of the Drosera peltata complex (Droseraceae)." Australian Systematic Botany 25, no. 1 (2012): 49. http://dx.doi.org/10.1071/sb11030.

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A phenetic study of morphological characters of the Drosera peltata complex (Droseraceae) supports the recognition of the following taxa: D. peltata from wetlands of south-eastern Australia; D. auriculata from south-eastern Australia and New Zealand; the morphologically variable D. hookeri from south-eastern Australia and northern New Zealand; the widespread D. lunata from southern and South-East Asia, as well as northern and north-eastern Australia; and the new species D. yilgarnensis R.P.Gibson & B.J.Conn is here described, from around granite outcrops of south-western Australia. D. bico

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Webb, Cameron Ewart, Raffaele Catanzariti, and Steven Hodosi. "Response of Mosquitoes Associated with Estuarine Wetlands to Bushfire in Australia." Journal of the American Mosquito Control Association 37, no. 2 (June 1, 2021): 101–5. http://dx.doi.org/10.2987/20-6972.1.

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ABSTRACT The response of mosquitoes to bushfire is poorly understood. During the 2019–20 summer, many regions of Australia were impacted by devastating bushfires. An area of estuarine and brackish-water wetlands alongside the Georges River, Sydney, New South Wales, was burned in January 2020. Mosquito populations within the area were monitored as part of the local authority's mosquito management program, providing a unique opportunity to record the response of key mosquitoes of pest and public health concern to bushfire. Ground pools within a tidally influenced swamp oak forest dominated by Ca

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Ocock, J. F., K. J. Brandis, B. J. Wolfenden, K. M. Jenkins, and S. Wassens. "Gut content and stable isotope analysis of tadpoles in floodplain wetlands." Australian Journal of Zoology 66, no. 4 (2018): 261. http://dx.doi.org/10.1071/zo18043.

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Larval amphibians (tadpoles) are an important link in aquatic food webs, as they can be highly abundant consumers and prey for a wide variety of predators. Most tadpoles are considered omnivores, predominately grazing on algae, detritus and macrophytes, though recent work has identified greater plasticity and breadth in diet than previously considered. We used gut content and stable isotope analysis (SIA) in a baseline study to determine the important dietary items (ingested material) and food sources (assimilated material) for tadpoles of two abundant generalist frog species in regulated floo

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Macdonald, Jed I., Zeb D. Tonkin, David S. L. Ramsey, Andrew K. Kaus, Alison K. King, and David A. Crook. "Do invasive eastern gambusia (Gambusia holbrooki) shape wetland fish assemblage structure in south-eastern Australia?" Marine and Freshwater Research 63, no. 8 (2012): 659. http://dx.doi.org/10.1071/mf12019.

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Defining the ecological impacts conferred by invasive fishes provides a framework for evaluating the feasibility of control efforts in invaded waterways, and for predicting the consequences of future incursions. Eastern gambusia (Gambusia holbrooki) is a remarkably successful invader of freshwater systems worldwide, with the capacity to detrimentally impact native fishes both directly (e.g. competition, predation, agonistic interactions) and indirectly (e.g. triggering trophic cascades). Here, we modelled the influence of eastern gambusia and several environmental covariates on fish species di

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Peacock, David, Gresley A. Wakelin-King, and Ben Shepherd. "Cane toads (Rhinella marina) in south-western Queensland: invasion front, spread and how Cooper Creek geomorphology could enable invasion into north-eastern South Australia." Australian Journal of Zoology 62, no. 5 (2014): 366. http://dx.doi.org/10.1071/zo14025.

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The invasion of northern Australia by the poisonous cane toad is well recognised, as is its devastating impacts on numerous local native species. However, there is little recognition that the toads are spreading into south-western Queensland. Utilising local knowledge, a limited survey was undertaken within the Cooper Creek catchment to locate the invasion front. Dispersal during 2010–11 floods has established cane toads as far south as Jundah. Integrating this information with landform mapping indicates that cane toad invasion can continue south-west down the Cooper Creek. Though arid, Cooper

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Gibson, N., K. Brown, and G. Paczkowska. "Temporal changes in threatened ephemeral claypans over annual and decadal timescales in south-west Australia." Australian Journal of Botany 66, no. 8 (2018): 609. http://dx.doi.org/10.1071/bt18067.

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The vegetation of the ephemeral claypans of south-west Australia were first described over 100 years ago. Since then they have been almost totally cleared for agriculture and urban development and are currently listed as critically endangered. These claypans have many similarities with ephemeral wetlands found in other Mediterranean climate regions with significant species turnover both within and between claypans and fine scale patterning highly correlated with micro-topography. Although annual variation in species composition was apparent there was also a consistent trend of increasing exoti

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Carnell, Paul E., Saras M. Windecker, Madeline Brenker, Jeff Baldock, Pere Masque, Kate Brunt, and Peter I. Macreadie. "Carbon stocks, sequestration, and emissions of wetlands in south eastern Australia." Global Change Biology 24, no. 9 (June 24, 2018): 4173–84. http://dx.doi.org/10.1111/gcb.14319.

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Zhang, Yang, and Samsung Lim. "Drivers of Wildfire Occurrence Patterns in the Inland Riverine Environment of New South Wales, Australia." Forests 10, no. 6 (June 24, 2019): 524. http://dx.doi.org/10.3390/f10060524.

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In the inland riverine environment of Australia, wildfires not only threaten human life and cause economic loss but also make distinctive impacts on the ecosystem (e.g., injuring or killing fire-sensitive wetland species such as the river red gum). Understanding the drivers of wildfire occurrence patterns in this particular environment is vital for fire-risk reduction and ecologically sustainable management. This study investigated patterns and driving factors of wildfire occurrence over the years from 2001 to 2016 and across the New South Wales side of the Riverina bioregion. Descriptive anal

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Casanova, Michelle T., and I. Joan Powling. "What makes a swamp swampy? Water regime and the botany of endangered wetlands in western Victoria." Australian Journal of Botany 62, no. 6 (2014): 469. http://dx.doi.org/10.1071/bt14119.

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Freshwater temporary wetlands are a little-studied ecosystem worldwide. They have been recognised as critically endangered in south-eastern Australia under Australian biodiversity conservation legislation. However, little has been recorded about their hydrology, functioning or biodiversity values; i.e. the factors that make them intrinsically ‘swampy’. In this paper, we developed a simple threshold model of wetland hydrology based on historical rainfall records and calculated evaporation records matched to records and recollections of the owners of swamps, and documented water-plant and microa

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Mo, Matthew. "Red-eared Sliders Trachemys scripta elegans in southern Sydney, including new incursions." Australian Zoologist 40, no. 2 (December 2019): 314–25. http://dx.doi.org/10.7882/az.2018.022.

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The invasive Red-eared Slider Trachemys scripta elegans has spread extensively, forming naturalised populations on all continents except Antarctica. Ranked among the 100 worst invasive species, there are biosecurity concerns that native turtles become outcompeted and displaced, as well as other speculative impacts. The actual ecological impacts in Australia have not been properly studied, however impacts shown in other countries are concerning. Incursions have presented in New South Wales, Queensland, Victoria, Western Australia and the Australian Capital Territory. A number of sightings have

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Breda, Angelo, Patricia M. Saco, Steven G. Sandi, Neil Saintilan, Gerardo Riccardi, and José F. Rodríguez. "Accretion, retreat and transgression of coastal wetlands experiencing sea-level rise." Hydrology and Earth System Sciences 25, no. 2 (February 18, 2021): 769–86. http://dx.doi.org/10.5194/hess-25-769-2021.

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Abstract. The vulnerability of coastal wetlands to future sea-level rise (SLR) has been extensively studied in recent years, and models of coastal wetland evolution have been developed to assess and quantify the expected impacts. Coastal wetlands respond to SLR by vertical accretion and landward migration. Wetlands accrete due to their capacity to trap sediments and to incorporate dead leaves, branches, stems and roots into the soil, and they migrate driven by the preferred inundation conditions in terms of salinity and oxygen availability. Accretion and migration strongly interact, and they b

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Shamsi, S., A. Turner, and S. Wassens. "Description and genetic characterization of a newContracaecumlarval type (Nematoda: Anisakidae) from Australia." Journal of Helminthology 92, no. 2 (May 5, 2017): 216–22. http://dx.doi.org/10.1017/s0022149x17000360.

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AbstractNematode parasites belonging to the genusContracaecumare economically important parasites with zoonotic significance. AdultContracaecumspp. are found in the stomach of marine mammals or piscivorous birds, and larval stages infect a wide range of invertebrates and fish species. Human infection withContracaecumlarvae has been reported in Australia and other countries after the consumption of infected fish. Although the genusContracaecumcomprises numerous species, thus far only fourContracaecumlarval types have been specifically identified, therefore their life cycle and biology are not y

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Lyon, Jarod, Ivor Stuart, David Ramsey, and Justin O'Mahony. "The effect of water level on lateral movements of fish between river and off-channel habitats and implications for management." Marine and Freshwater Research 61, no. 3 (2010): 271. http://dx.doi.org/10.1071/mf08246.

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Off-channel habitats, such as wetlands and backwaters, are important for the productivity of river systems and for many species of native fish. This study aimed to investigate the fish community, timing and cues that stimulated movement to and from off-channel habitats in the highly regulated Lake Hume to Lake Mulwala reach of the Murray River, south-eastern Australia. In 2004–05, 193 712 fish were collected moving bi-directionally between a 50-km section of the Murray River and several off-channel habitats. Lateral fish movements approximated water level fluctuations. Generally as water level

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Lamontagne, S., W. S. Hicks, R. W. Fitzpatrick, and S. Rogers. "Sulfidic materials in dryland river wetlands." Marine and Freshwater Research 57, no. 8 (2006): 775. http://dx.doi.org/10.1071/mf06057.

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Due to a combination of river regulation, dryland salinity and irrigation return, lower River Murray floodplains (Australia) and associated wetlands are undergoing salinisation. It was hypothesised that salinisation would provide suitable conditions for the accumulation of sulfidic materials (soils and sediments enriched in sulfides, such as pyrite) in these wetlands. A survey of nine floodplain wetlands representing a salinity gradient from fresh to hypersaline determined that surface sediment sulfide concentrations varied from <0.05% to ~1%. Saline and permanently flooded wetlands tended

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Brinson, Mark M., and Ana Inés Malvárez. "Temperate freshwater wetlands: types, status, and threats." Environmental Conservation 29, no. 2 (June 2002): 115–33. http://dx.doi.org/10.1017/s0376892902000085.

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This review examines the status of temperate-zone freshwater wetlands and makes projections of how changes over the 2025 time horizon might affect their biodiversity. The six geographic regions addressed are temperate areas of North America, South America, northern Europe, northern Mediterranean, temperate Russia, Mongolia, north-east China, Korea and Japan, and southern Australia and New Zealand. Information from the recent technical literature, general accounts in books, and some first-hand experience provided the basis for describing major wetland types, their status and major threats. Loss

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Kobayashi, Tsuyoshi, Timothy J. Ralph, Pranay Sharma, and Simon M. Mitrovic. "Influence of historical inundation frequency on soil microbes (Cyanobacteria, Proteobacteria, Actinobacteria) in semi-arid floodplain wetlands." Marine and Freshwater Research 71, no. 5 (2020): 617. http://dx.doi.org/10.1071/mf18468.

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Cyanobacteria and other microbes are important moderators of biogeochemical processes in semi-arid floodplain wetlands with varying inundation regimes. Inundation is a key environmental driver for floodplain biological communities. Little is known about the effect of historical inundation frequency on the spatial abundance of floodplain–wetland Cyanobacteria and other microbes. In this study, soil samples were collected at two locations with a gradient of low-to-high inundation frequency in the Macquarie Marshes, south-east Australia. We used high-throughput sequencing to estimate the proporti

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Higgisson, William, Linda Broadhurst, Foyez Shams, Bernd Gruber, and Fiona Dyer. "Reproductive Strategies and Population Genetic Structure in Two Dryland River Floodplain Plants, Marsilea drummondii and Eleocharis acuta." Genes 13, no. 9 (August 23, 2022): 1506. http://dx.doi.org/10.3390/genes13091506.

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Aquatic plants share a range of convergent reproductive strategies, such as the ability to reproduce both sexually and asexually through vegetative growth. In dryland river systems, floodplain inundation is infrequent and irregular, and wetlands consist of discrete and unstable habitat patches. In these systems, life history strategies such as long-distance dispersal, seed longevity, self-fertilisation, and reproduction from vegetative propagules are important strategies that allow plants to persist. Using two aquatic plants, Marsilea drummondii and Eleocharis acuta, we investigated the propor

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Vilizzi, Lorenzo, Leigh A. Thwaites, Benjamin B. Smith, Jason M. Nicol, and Chris P. Madden. "Ecological effects of common carp (Cyprinus carpio) in a semi-arid floodplain wetland." Marine and Freshwater Research 65, no. 9 (2014): 802. http://dx.doi.org/10.1071/mf13163.

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Common carp, Cyprinus carpio, is a highly invasive fish species across freshwater systems of south-eastern Australia, and especially in semi-arid floodplain wetlands. However, multi-component, large-scale experimental studies on carp effects on such ecosystems are scarce. This is in spite of demands to prioritise management and control of carp for the rehabilitation of habitats across the Murray–Darling Basin. A 2-year, large-scale field experiment in a terminal wetland of the lower River Murray (South Australia) evaluated the effects of free-ranging carp on water transparency, aquatic macroph

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Jacobs, SWL, F. Perrett, GR Sainty, KH Bowmer, and BJ Jacobs. "Ludwigia peruviana (Onagraceae) in the Botany Wetlands near Sydney, Australia." Marine and Freshwater Research 45, no. 8 (1994): 1481. http://dx.doi.org/10.1071/mf9941481.

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Ludwigia peruviana is an aquatic shrubby species introduced from the Americas and spreading to wetlands in coastal south-eastem Australia. It has become dominant, replacing much of the former vegetation in the Botany Wetlands, a series of shallow urban swamps and lakes near Sydney, Australia. Studies of L. peruviana were essential to the development of a management plan for the Botany Wetlands. Ecological studies were conducted in situ and supplemented by a series of germination and growth experiments in controlled environments. Flowering peaked in early autumn. Seed production for 1990-91 was

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Lal, Kirti K., Carla Bonetti, Colin D. Woodroffe, and Kerrylee Rogers. "Contemporary distribution of benthic foraminiferal assemblages in coastal wetlands of south-eastern Australia." Estuarine, Coastal and Shelf Science 245 (October 2020): 106949. http://dx.doi.org/10.1016/j.ecss.2020.106949.

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Beck, Wendy, Robert Haworth, and John Appleton. "Aboriginal resources change through time in New England upland wetlands, south-east Australia." Archaeology in Oceania 50 (April 2015): 47–57. http://dx.doi.org/10.1002/arco.5048.

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Bennett, William W., Kerstin Hockmann, Scott G. Johnston, and Edward D. Burton. "Synchrotron X-ray absorption spectroscopy reveals antimony sequestration by reduced sulfur in a freshwater wetland sediment." Environmental Chemistry 14, no. 6 (2017): 345. http://dx.doi.org/10.1071/en16198.

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Environmental contextAntimony is an environmental contaminant of increasing concern, due to its growing industrial usage in flame retardants, lead alloys, glass, ceramics and plastics. Here we show, using X-ray absorption spectroscopy, that antimony may be trapped in wetland sediments by reduced sulfur. This finding has implications for the management and remediation of wetlands contaminated with antimony. AbstractThe biogeochemistry of antimony (Sb) in wetland sediments is poorly characterised, despite their importance as contaminant sinks. The organic-rich, reducing nature of wetland sedimen

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Dobbie, Meredith Frances. "Typing Colonial Perceptions of Carrum Carrum Swamp: The Expected and the Surprising." Land 11, no. 2 (February 18, 2022): 311. http://dx.doi.org/10.3390/land11020311.

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Carrum Carrum Swamp was a vast wetland to the south-east of Melbourne, Victoria, Australia, at the time that it was first sighted by white colonists in 1803. By 1878, the colonists had commenced converting the swamp to dry land for agricultural and horticultural pursuits, and 100 years later it was predominantly residential land. Shifting values in the 1970s led to environmental concerns about water quality in local creeks and Port Phillip Bay and subsequent residential development on the former swamp included the construction of stormwater treatment wetlands. Perceptions of wetlands are now d

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Hopkins, Ben, and John R. Argue. "Constructed “Source” Wetland Concepts Applied to Urban Landscapes." Water Science and Technology 29, no. 4 (February 1, 1994): 133–40. http://dx.doi.org/10.2166/wst.1994.0175.

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A class of wetland is introduced which employs engineering practices and installations to collect, store, dispose of, retrieve and use stormwater, at source, in the urban landscape. Two Adelaide (South Australia) examples of “source wetlands” are described. At New Brompton Estate, roof runoff from (eventually) a cluster of 15 residences is diverted to a 106 m gravel-filled trench in a central reserve. The collected water sustains a row of deciduous trees bordering the reserve and provides frequent (winter) charges, via a bore, to a Quaternary aquifer at depth 30 m. At Northfield a swale/trench

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Sievers, Michael. "Sand quarry wetlands provide high-quality habitat for native amphibians." Web Ecology 17, no. 1 (May 19, 2017): 19–27. http://dx.doi.org/10.5194/we-17-19-2017.

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Abstract. Anthropogenic disturbances to habitats influence the fitness of individual animals, the abundance of their populations, and the composition of their communities. Wetlands in particular are frequently degraded and destroyed, impacting the animals that inhabit these important ecosystems. The creation of wetlands during and following sand extraction processes is inevitable, and thus, sand quarries have the potential to support aquatic animals. To determine how amphibians utilise these wetlands, I conducted nocturnal call surveys at wetlands within the Kables Sands quarry, New South Wale

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Chick, A. J., and D. S. Mitchell. "A pilot study of vertical flow wetlands at coffs harbour, New South Wales, Australia." Water Science and Technology 32, no. 3 (August 1, 1995): 103–9. http://dx.doi.org/10.2166/wst.1995.0131.

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A modular series of vertical flow wetland (VFW) systems was established in 1989/90 to treat up to 130,000 litres per day of primary settled sewage on the north coast of New South Wales, Australia as an experimental scale-up of wetland microcosms that had been developed with this hydrological format. Monitoring of inflow and outflow water quality was maintained on a weekly basis from January 1991 to February 1992. Some management parameters (e.g. flow rates) were varied during this period. Dye injection to examine hydraulic behaviour within the gravel bed was carried out on two occasions in one

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Braithwaite, LW, M. Maher, SV Briggs, and BS Parker. "An Aerial Survey of 3 Game Species of Waterfowl (Family Anatidae) Populations in Eastern Australia." Wildlife Research 13, no. 2 (1986): 213. http://dx.doi.org/10.1071/wr9860213.

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Populations of waterfowl of three game species, the Pacific black duck Anus superciliosa, grey teal A. gibberifrons, and maned duck Chenonetta jubata, were assessed by aerial survey in October 1983 within a survey region of 2 697 000 km2 of eastern Australia. The numbers of each species were assessed on all surface waters of over 1 ha, and on a sample of smaller surface waters within 10 survey bands each 30 km wide and spaced at intervals of 2� latitude from 20�30' to 38�30'S. The area within the survey bands was 324 120 km2, which gave a sampling intensity of 12.0% of the land surface area. T

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