Journal articles: 'Nerang River estuary (Queensland)'

1

Vance, D. J., and R. C. Pendrey. "Vertical migration of postlarval penaeid prawns in two Australian estuaries: the effect of tide and day/night." Marine and Freshwater Research 59, no. 8 (2008): 671. http://dx.doi.org/10.1071/mf07234.

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Knowledge of the vertical migration behaviour of postlarval penaeid prawns is important in understanding postlarval migration from offshore spawning grounds to estuarine nursery areas. We sampled throughout several 24-h periods in two estuaries in Australia to assess the distribution of postlarvae in the water column. We used four trawl nets: one net in the top 0.5 m of the water column and three nets one above the other, from the seabed to 0.72 m above the seabed. Penaeus plebejus was abundant in catches in the Nerang River, southern Queensland, while Penaeus semisulcatus, Penaeus esculentus and Penaeus merguiensis were caught in the Embley River, northern Queensland. For all species, the highest catches at the surface were on night flood tides. Many postlarvae in the Embley River were caught in nets above the seabed on ebb tides, suggesting that net migration patterns cannot be determined simply by sampling surface waters. The vertical distribution of penaeid postlarvae is determined primarily by tide and day/night; however, water turbidity and cloud cover, factors that reduce light at the seabed, are also likely to be important. All these aspects of postlarval behaviour should be included in hydrodynamic models of larval advection from spawning grounds to inshore nursery areas.

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Douglas, G. B., P. W. Ford, M. Palmer, R. M. Noble, and R. Packett. "Fitzroy River, Queensland, Australia. II. Identification of Sources of Estuary Bottom Sediments." Environmental Chemistry 3, no. 5 (2006): 377. http://dx.doi.org/10.1071/en06010.

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Environmental Context. The Fitzroy River Basin constitutes a major source of suspended sediment and nutrient fluxes to the southern Great Barrier Reef. Improved land management practices to ameliorate these catchment loads require an understanding of the sediment sources and dynamics. This multidisciplinary geochemical and modelling study provides for the first time a quantitative estimate of sediment sources delivered to, and their degree of retention in, the Fitzroy River Estuary. Abstract. Sources of sediment deposited in the Fitzroy River Estuary (FRE) have been identified and quantified using an integrated geochemical, modelling and reconnaissance soil sampling approach. A companion paper (this volume) identifies the major sources of sediments in impoundments on the major river systems and sediment sampled from flood events in the Fitzroy River Basin (FRB). Sediment within the FRE may display distinct longitudinal variation with little basaltic material retained. Sediments derived from the Bowen Basin, which occupies the greatest portion of the FRB, and from the Surat Basin display the greatest longitudinal variation. All FRB soils have a similar total phosphorus (P) concentration. Thus, in considering P export from the catchment it is the total sediment flux which is of major importance, rather than the relative proportions of individual catchment soils. This research provides crucial new regional scale information on the sediment sources deposited within the FRE.

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Eyre, Bradley. "Nutrient Biogeochemistry in the Tropical Moresby River Estuary System North Queensland, Australia." Estuarine, Coastal and Shelf Science 39, no. 1 (July 1994): 15–31. http://dx.doi.org/10.1006/ecss.1994.1046.

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Edis, Robert B., Robert G. V. Bramley, Robert E. White, and Andrew W. Wood. "Desorption of phosphate from sugarcane soils into simulated natural waters." Marine and Freshwater Research 53, no. 6 (2002): 961. http://dx.doi.org/10.1071/mf01283.

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A laboratory-based study of the behaviour of phosphorus (P) was carried out on the soils of the lower Herbert River catchment, Queensland, Australia. The aim was to explore the potential for P sorption or desorption by Herbert soils in associated river and estuary waters, so that the extent of problems associated with sugarcane production and soil-derived inputs to streamwater could be defined. Anion exchange resin was used as a sink for P. The equilibrium phosphate concentration (EPC) measured in simulated soil pore water (0.01M CaCl2), and the EPC in the simulated river and estuary waters were strongly correlated. Based on this, and the close relationship between P sorption and selected soil properties, it was possible to estimate P desorption using commonly measured properties. Much less desorption of P took place in simulated estuary waters than in simulated river water of much lower ionic strength. This suggests that environmental degradation arising from the downstream export of soil-borne P from Herbert cane lands is likely to be concentrated in freshwater areas. Sorption properties of P in soils of the lower Herbert appear to be closely associated with aluminium-rich minerals, rather than with iron (hydr)oxides.

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Yu, Yingying, Hong Zhang, and Charles Lemckert. "Seasonal variations of the salinity and turbidity in the Brisbane River estuary, Queensland, Australia." Journal of Coastal Research 165 (January 3, 2013): 1253–58. http://dx.doi.org/10.2112/si65-212.1.

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Douglas, G., G. Caitcheon, and M. Palmer. "Sediment source identification and residence times in the Maroochy River estuary, southeast Queensland, Australia." Environmental Geology 57, no. 3 (April 29, 2008): 629–39. http://dx.doi.org/10.1007/s00254-008-1336-7.

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Bostock, Helen C., Brendan P. Brooke, David A. Ryan, Gary Hancock, Tim Pietsch, Robert Packett, and Kate Harle. "Holocene and modern sediment storage in the subtropical macrotidal Fitzroy River estuary, Southeast Queensland, Australia." Sedimentary Geology 201, no. 3-4 (October 2007): 321–40. http://dx.doi.org/10.1016/j.sedgeo.2007.07.001.

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Saintilan, N. "Above- and below-ground biomass of mangroves in a sub-tropical estuary." Marine and Freshwater Research 48, no. 7 (1997): 601. http://dx.doi.org/10.1071/mf97009.

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Above- and below-ground biomass of five species of mangroves was estimated for the Mary River, south-eastern Queensland. Below-ground : above-ground biomass ratios of species in the upstream reaches (Avicennia marina, Aegiceras corniculatum and Excoecaria agallocha) averaged <0.5, and those of species in the saline conditions of the mouth (Avicennia marina, Rhizophora stylosa) ranged between 0.9 and 1.5. Within the estuary mouth, above-ground biomass of Avicennia marina and Ceriops tagal decreased between frontal saline and upper-intertidal hypersaline environments, and this was reflected in the below-ground : above-ground biomass ratios, which increased to approximately 3.5 for both species.

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Smith, J., G. B. Douglas, L. C. Radke, M. Palmer, and B. P. Brooke. "Fitzroy River Basin, Queensland, Australia. III. Identification of sediment sources in the coastal zone." Environmental Chemistry 5, no. 3 (2008): 231. http://dx.doi.org/10.1071/en07094.

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Environmental context. The Fitzroy River Basin is a major source of suspended sediment and nutrients to the southern Great Barrier Reef lagoon. A reduction in sediment and nutrient loads is necessary to protect coastal reefs and this requires an understanding of the sediment sources. The present geochemical and modelling study provides a quantitative estimate of the spatial and temporal variations in the sources of sediment deposited in the Fitzroy River coastal zone. Abstract. Sediment sources to the Fitzroy River coastal zone have been identified and quantified using an integrated geochemical and modelling approach. The coastal sediments display little geochemical variation as a result of substantial homogenisation during hydrodynamic processes and indicate a sediment composition consistent with derivation from mixed catchment sources. A lack of substantial temporal geochemical variation in the sediment records indicates weathering regimes and hydrodynamic transport have been relatively consistent throughout the Holocene. Despite this apparent geochemical homogeneity, a modelling approach using a Bayesian statistical model revealed changes in catchment sediment sources over time. Variations in the occurrence and intensity of rainfall events in different parts of the catchment as well as land-use changes following European settlement are likely to have had a substantial effect on the relative contributions of the catchment sources delivered to and deposited in the coastal zone. Additionally, large variations in flow events and variable estuary hydrodynamics result in different catchment soil types being delivered and deposited under different conditions. The present study found that basaltic material is the dominant catchment source in the coastal surface sediments with an estimated enrichment of ~3 relative to catchment and estuary abundances. Basaltic soils present as a more recent and extensive, weathered surficial cover are more readily mobilised than other catchment soils and will be transported further within freshwater flood plumes. It is likely that in large flood events, this basaltic material may reach the coral-dominated outer shelf. Improved land management practices to reduce sediment loads can be targeted to the areas supplying the majority of sediment to the coastal zone.

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Hossain, Shahadat, Bradley D. Eyre, and Lester J. McKee. "Impacts of dredging on dry season suspended sediment concentration in the Brisbane River estuary, Queensland, Australia." Estuarine, Coastal and Shelf Science 61, no. 3 (November 2004): 539–45. http://dx.doi.org/10.1016/j.ecss.2004.06.017.

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11

Morton, RM. "Fish assemblages in residential canal developments near the mouth of a subtropical Queensland estuary." Marine and Freshwater Research 43, no. 6 (1992): 1359. http://dx.doi.org/10.1071/mf9921359.

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The hydrological conditions and fish fauna occurring in canal developments situated near the mouth of a subtropical estuary in southern Queensland were studied for 15 months from December 1985 to February 1987. In contrast to canal developments situated in bays or the middle reaches of estuaries, these downstream canals did not entrap sediments, and only minimal silt deposition occurred in those canals most isolated from the river. Hydrological conditions within the canals were generally within recommended limits for fish survival, although low oxygen concentrations in bottom water occurred on isolated occasions in the dead-end canals. The ichthyofauna of these canals, as in other canal developments, was dominated by planktivores/microcarnivores of no direct importance to fisheries. These fish guilds occurred in substantially greater numerical proportions in the canals than in undisturbed wetland areas. Well-flushed canals constructed in nontidal sandy areas are likely to have minimal impact on existing fish communities and could increase the area of available fish habitat. Extra keywords: canal design, hydrology, oxygen content, estuarine fisheries, coastal development.

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12

Matveev, V. F., and A. D. L. Steven. "The effects of salinity, turbidity and flow on fish biomass estimated acoustically in two tidal rivers." Marine and Freshwater Research 65, no. 3 (2014): 267. http://dx.doi.org/10.1071/mf12266.

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Establishing drivers of fish abundance in estuaries is an important task of both theoretical and practical significance. Commercial catch data help explain large-scale variation in fish productivity; however, there is insufficient understanding of small-scale changes. We analysed correlations between acoustically estimated fish biomass (FB) and environmental variables, which included indices of primary productivity and physio-chemistry in a coastal river system during four seasons. Spatial series of FB were obtained for the Logan River (main estuary) and the Albert River (tributary) located in South East Queensland, Australia. Most of the year, FB was significantly higher in the Albert River. Annual means for discharge, salinity and pH were significantly lower, whereas phosphorus concentrations were higher in the Albert River. Out of 15 hydrological variables tested, FB was strongly correlated only with salinity, conductivity and turbidity. In the Albert River, where fish were larger, as indicated by greater target strengths, FB was positively correlated with river discharge. Our results suggest that salinity and turbidity can be important seasonal drivers of fish abundance in communities dominated by Mugil spp. and Nematalosa erebi and that the flow-biomass relationship may appear independent of the effects of primary production.

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13

Douglas, G. B., P. W. Ford, M. Palmer, R. M. Noble, and R. Packett. "Fitzroy River Basin, Queensland, Australia. I. Identification of Sediment Sources in Impoundments and Flood Events." Environmental Chemistry 3, no. 5 (2006): 364. http://dx.doi.org/10.1071/en06009.

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Environmental Context. The Fitzroy River Basin is a major contributor to the loads of suspended sediment and nutrients reaching coastal areas in the southern Great Barrier Reef. Cost-effective investment in improved land, vegetation, and water management to lower these loads requires an understanding of the sources and movement of sediments within the basin. This multidisciplinary geochemical and modelling study provides for the first time a quantitative estimate of sediment sources and spatial and hydrology-related variation within the Fitzroy River Basin. Abstract. An integrated geochemical, modelling, and reconnaissance soil sampling approach has been used to identify the sources of sediment in the Fitzroy River Basin (FRB). The composition of sediment in weirs and dams within the FRB indicate that in the southern and central FRB the Dawson River contributes only a small basaltic component and the inputs are dominated by soils from the Surat and Bowen Basins. Rivers from the central FRB carry variable amounts of basaltic soils. In contrast, basaltic soils constitute the majority of sediment transported during flood events. Surat Basin soils form a minor component of flood events with little contribution from soils of the Bowen Basin despite it constituting the majority of the area of the central FRB. Soils from the Thomson Fold Belt constitute a substantial proportion of the sediment transported by, and retained in, impoundments in the central FRB and also dominate sediment delivered from the western FRB. This study will inform cost-effective investment by government to target remedial actions to reduce sediment and nutrient loads within the FRB that may be ultimately transported via the Fitzroy River Estuary to the southern Great Barrier Reef.

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Sturm, Katrin, Alistair Grinham, Ursula Werner, and Zhiguo Yuan. "Sources and sinks of methane and nitrous oxide in the subtropical Brisbane River estuary, South East Queensland, Australia." Estuarine, Coastal and Shelf Science 168 (January 2016): 10–21. http://dx.doi.org/10.1016/j.ecss.2015.11.002.

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15

Lee Long, WJ, JE Mellors, and RG Coles. "Seagrasses between Cape York and Hervey Bay, Queensland, Australia." Marine and Freshwater Research 44, no. 1 (1993): 19. http://dx.doi.org/10.1071/mf9930019.

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The area of seagrasses in waters adjacent to the Queensland coast between Cape York and Hervey Bay is approximately 4000 km2. Seagrasses were found near estuaries, in coastal bays and associated with islands, at sites that provided shelter from the south-easterly trade winds and Pacific Ocean swells. Of the seagrass meadows mapped, 37% had a bottom vegetation cover greater than 50%. Two large continuous areas (total of approximately 2500 km2) of seagrass of predominantly Halophila species were found in deep water in Hervey Bay and between Barrow Point and Lookout Point and may be part of a much larger area of deep-water seagrass habitat not yet surveyed in the Great Barrier Reef province. Fourteen seagrass species were found in the surveyed region, and most were typical of the northern Australian and Indo-West Pacific region. The opportunistic Halophila and Halodule species were most common, with Halophila ovalis (R. Br.) Hook. f. and Halodule uninervis (Forsk.) Aschers. each being found in more than 15% of samples. High species richness occurred at depths of less than 6 m, predominantly in sheltered bays at coastal and island locations. Low species richness at estuary- associated sites may be due to stresses caused by low salinity during monsoonal runoff periods or exposure at low tides. Zostera capricorni Aschers. was restricted to these areas and may have a competitive advantage over other species with lesser tolerance to varying salinity. Species richness decreased with an increase in both latitude and depth. The latitudinal limits of recorded distributions for some of these tropical seagrasses were confirmed. Seagrass biomass decreased with increasing depth, but parameters of seagrass abundance showed no correlation with latitude, being dependent on a complex of site-related factors. High seagrass biomass occurred at sheltered sites, including estuary-associated, coastal-bay and island-associated sites. The maximum recorded above-ground biomass was 102.9 g m-2 for Zostera capricorni at Upstart Bay. Shoot densities reached 13 806 shoots m-2 for Halophila ovalis at Escape River, and the highest leaf area index was 1.81 for Zostera capricorni at Upstart Bay.

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16

Kayal, SI, and DW Connell. "Partitioning of unsubstituted Polycyclic Aromatic Hydrocarbons between surface sediments and the water column in the Brisbane River Estuary." Marine and Freshwater Research 41, no. 4 (1990): 443. http://dx.doi.org/10.1071/mf9900443.

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In all, 23 sediment samples and 8 water column samples from the Brisbane River estuary, Queensland, Australia, were analysed for polycyclic aromatic hydrocarbons (PAHs) in order to assess the field partitioning behaviour of these hydrocarbons. Twelve PAHs, ranging in molecular weight from naphthalene to benzo[a]pyrene, were identified and quantified. Their partition coefficients, indexed to sediment organic carbon and lipid content, were calculated after filtering to remove particulates and making a calculated adjustment for colloids, or organic matter, in the water phase. In logarithmic form, the partition coefficients were related to the physico-chemical properties of the compounds (Kow, Sw, RRT) by relationships having a parabolic shape rather than being linear. However, compounds with log Kow values of less than 5.5 gave linear relationships comparable to, but distinctly different from, those obtained from laboratory experiments. It is suggested that field conditions have distinctive differences from laboratory experiments that do not allow the direct translation of laboratory-based relationships to the natural aquatic environment.

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17

Hacker, Jennifer L. F. "Rapid accumulation of fluvially derived sands and gravels in a tropical macrotidal estuary: the Pioneer River at Mackay, North Queensland, Australia." Sedimentary Geology 57, no. 3-4 (June 1988): 299–315. http://dx.doi.org/10.1016/0037-0738(88)90035-8.

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Fukuda, Hiroshi, and Winston F. Ponder. "A revision of the Australian taxa previously attributed to Assiminea buccinoides (Quoy & Gaimard) and Assiminea tasmanica Tenison-Woods (Mollusca:Gastropoda:Caenogastropoda:Assimineidae)." Invertebrate Systematics 19, no. 4 (2005): 325. http://dx.doi.org/10.1071/is04009.

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A new genus, Cryptassiminea, is introduced for the taxon previously known as Assiminea buccinoides (Quoy & Gaimard). These small gastropods are abundant in mangrove and salt marsh habitats in south-eastern and subtropical eastern Australia. Seven species (five new) are recognised using morphological characters in the complex previously treated as a single species. Five taxa have rather narrow ranges while the other two are widespread and often sympatric. Two groups of species are recognised. One contains Cryptassiminea buccinoides, widespread in south-east and east Australia, and two closely related allopatric taxa from South Australia and south-eastern Tasmania (C. adelaidensis, sp. nov. and C. kershawi, sp. nov.). A second group of species is typified by Cryptassiminea tasmanica (Tenison-Woods), also widespread in east and south-east Australia and often sympatric with C. buccinoides. Allied to C. tasmanica, are two closely related taxa from western Victoria: C. glenelgensis, sp. nov. from the Glenelg River estuary and C. surryensis, sp. nov. from the Surry River estuary and Western Port, in the vicinity of Geelong. A distinctive species, Cryptassiminea insolata, sp. nov. from the east coast of Queensland, also has similarities with C. tasmanica. A cladistic analysis using morphological characters of the Cryptassiminea taxa and three other genera of Assimininae, with an omphalotropidine as the outgroup, resulted in a single tree. The new genus has rather poor support, possibly because many of its characters appear to be plesiomorphic within Assimineinae. Cryptassiminea is defined by a unique combination of characters but lacks any obvious synapomorphy. Two clades within Cryptassiminea are well supported, each containing the species-groups referred to above.

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Duke, Norman C., John M. Kovacs, Anthony D. Griffiths, Luke Preece, Duncan J. E. Hill, Penny van Oosterzee, Jock Mackenzie, Hailey S. Morning, and Damien Burrows. "Large-scale dieback of mangroves in Australia." Marine and Freshwater Research 68, no. 10 (2017): 1816. http://dx.doi.org/10.1071/mf16322.

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This study records and documents the most severe and notable instance ever reported of sudden and widespread dieback of mangrove vegetation. Between late 2015 and early 2016, extensive areas of mangrove tidal wetland vegetation died back along 1000km of the shoreline of Australia’s remote Gulf of Carpentaria. The cause is not fully explained, but the timing was coincident with an extreme weather event; notably one of high temperatures and low precipitation lacking storm winds. The dieback was severe and widespread, affecting more than 7400ha or 6% of mangrove vegetation in the affected area from Roper River estuary in the Northern Territory, east to Karumba in Queensland. At the time, there was an unusually lengthy period of severe drought conditions, unprecedented high temperatures and a temporary drop in sea level. Although consequential moisture stress appears to have contributed to the cause, this occurrence was further coincidental with heat-stressed coral bleaching. This article describes the effect and diagnostic features of this severe dieback event in the Gulf, and considers potential causal factors.

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Mueller, J. F., M. R. Mortimer, J. O’Brien, T. Komarova, and S. Carter. "A cleaner river: Long term use of semipermeable membrane devices demonstrate that concentrations of selected organochlorines and PAHs in the Brisbane River estuary, Queensland have reduced substantially over the past decade." Marine Pollution Bulletin 63, no. 5-12 (2011): 73–76. http://dx.doi.org/10.1016/j.marpolbul.2011.03.026.

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21

Robins, Julie B., Ian A. Halliday, Jonathan Staunton-Smith, David G. Mayer, and Michelle J. Sellin. "Freshwater-flow requirements of estuarine fisheries in tropical Australia: a review of the state of knowledge and application of a suggested approach." Marine and Freshwater Research 56, no. 3 (2005): 343. http://dx.doi.org/10.1071/mf04087.

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The freshwater-flow requirements of estuarine fisheries in tropical areas are reviewed, with reference to species important to fisheries in northern Australia. Fisheries production, in terms of catch, is often elevated during, or as a consequence of, years with higher river flow, but the causality of these relationships often remains unproven. Scientific information on the freshwater-flow requirements important to fisheries production is increasingly being sought during the planning, allocation and management of water resources within Australia and in other countries around the world. Frequently, such advice is based on the analysis of catch and freshwater flow (or rainfall), or on life-history information. Clarifying fisheries-specific goals of water management would assist in prioritising research into the freshwater-flow requirements of estuarine fisheries. A framework that integrates life-history information and correlative analyses is suggested to assist in understanding the freshwater-flow requirements of estuarine fisheries. The framework is also useful in identifying knowledge gaps and pertinent research questions. The approach is illustrated through its application to identifying key freshwater-flow events likely to be important for fisheries production in a dry tropical estuary in Queensland, Australia.

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Houston, Wayne, Robert Black, Rod Elder, Leif Black, and Richard Segal. "Conservation value of solar salt ponds in coastal tropical eastern Australia to waterbirds and migratory shorebirds." Pacific Conservation Biology 18, no. 2 (2012): 100. http://dx.doi.org/10.1071/pc120100.

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Some human-altered habitats such as saltfields support significant numbers of shorebirds and waterbirds, but their values in tropical eastern Australia are poorly understood. With the continuing loss of shorebird habitats in the East Asian-Australasian Flyway, identification of important habitats and management is important for their conservation. The habitat value of two saltfields associated with the Fitzroy River estuary, Queensland (23.520S, 150.860E) was evaluated by monthly surveys over 33 months and by comparison to previous surveys of nearby natural wetlands. Saltfields supported as many waterbirds and species as freshwater and naturally saline lagoons. Numbers of migratory shorebirds peaked during the southern migration period (September to November), when wetlands in tropical northern Australia are at their lowest extent, thus elevating the conservation value of tropical saltfields to shorebirds. Sharp-tailed Sandpipers were regularly present in numbers exceeding international levels for staging, while Red-necked Stints were just below the staging criterion. Salinity regime was found to influence waterbird communities associated with saltfield pools: piscivores dominating metasaline pools, and shorebirds hypersaline pools. A seasonal pattern of occurrence occurred in some guilds with greatest numbers in the drier months (cormorants, pelicans, ducks and egrets, all significantly negatively correlated with the previous month’s rainfall), most of which bred in nearby natural wetlands during the wet season. Furthermore, cormorants were abundant in the saltfields and fluctuated less compared with natural lagoons during the critical drier months. Overall, saltfields are an integral component of the ecology of the landscape, providing complementary resources to that of the natural wetlands.

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Bradley, Michael, Marcus Sheaves, and Nathan J. Waltham. "Urban-industrial seascapes can be abundant and dynamic fish habitat." Frontiers in Marine Science 9 (January 11, 2023). http://dx.doi.org/10.3389/fmars.2022.1034039.

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Urban-industrial seascapes are prevalent around the world, yet we lack a basic understanding of how the mosaic of different habitats in these areas are used by mobile marine fauna, including features such as industrial ports and marinas. Urbanised areas have been alternately characterised in scientific literature as degraded, depauperate, or in some cases diverse and abundant. To advance our spatial and temporal understanding of the community of mobile marine fauna in these areas, we used repeated sonar image sampling over large swathes of two urban-industrial seascapes, combined with underwater video. 2,341 sonar segments were captured across Mackay Harbour and the Pioneer River estuary (North Queensland, Australia). We used this information to generate a preliminary understanding of the ecology of these locations. We found that overall, urban-industrial seascapes can contain counts of mobile marine fauna similar to natural areas, and that these seascapes are characterised by dynamic diel shifts in the spatial arrangement of mobile marine fauna in the water column. At night, large fish are prevalent in the water column, while during the day, assemblages are dominated by small fish. Within these urban-industrial seascapes, deeper areas containing heavy infrastructure such as ports can harbour large densities of fish, including heavily targeted fisheries species. These areas deserve recognition as marine habitat, are of consequence to fisheries, and have the potential to influence surrounding ecosystems. Important research questions remain regarding their impact on food webs and animal movement at larger scales.

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Journal articles on the topic 'Nerang River estuary (Queensland)'

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