Journal articles

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Assessing changes in nutrient status in the Richmond River estuary, Australia, using paleolimnological methods (with Atun Zawadski, Kathryn H. Taffs, and Brendan Logan), Journal of Paleolimnology (2010)

Eutrophication from nutrient over-enrichment is a serious problem for the coastal zone and the estuarine...

 

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Temporal and spatial variability in the cycling of nitrogen within a constructed wetland: a whole-system stable-isotope-addition experiment (with Dirk V. Erler and Leigh Davison), Limnology and Oceanography (2010)

Constructed wetlands attenuate effluent nutrients, are hydrodynamically well defined, and are a useful proxy for...

 

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Bacterial and viral dynamics during a mass coral spawning period on the Great Barrier Reef (with Nicole Patten, Jim G. Mitchell, Mathias Middelboe, Laurent Seuront, Peter Lynton Harrison, and Ronnie N. Glud), Aquatic Microbial Ecology (2008)

Bacterial and virus-like particle (VLP) abundances and physical and chemical parameters were measured in reef...

 

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Biogeochemical responses to coral mass-spawning on the Great Barrier Reef: effects on respiration and primary production. (with Ronnie N. Glud and Nicole Patten), Limnology and Oceanography (2008)

Coral mass-spawning represents a spectacular annual, short-term, fertilization event of many oligotrophic reef communities. The...

 

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Mass coral spawning: a natural large-scale nutrient addition experiment (with Ronnie N. Glud and Nicole Patten), Limnology and Oceanography (2008)

A mass coral spawning event on the Heron Island reef flat in 2005 provided a...

 

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The contribution of anammox and denitrification to sediment N2 production in a surface flow constructed wetland (with Dirk V. Erler and Leigh Davison), Environmental Science and Technology (2008)

This study used anaerobic slurry assays and intact core incubations to quantify potential rates of...

 

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Benthic metabolism and nitrogen cycling in a sub-tropical embayment: spatial and seasonal variability and controlling factors (with Angus JP Ferguson, Jennita M. Gay, Nicolas Emtage, and Lyndon Brooks), Aquatic Microbial Ecology (2007)

Spatial and seasonal variation in sediment properties, benthic metabolism (O2 and TCO2 fluxes) and nitrogen...

 

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Nitrogen incorporation and retention by bacteria, algae, and fauna in a sub-tropical intertidal sediment: an in-situ 15N-labeling study (with Bart Veuger, Damien Maher, and Jack J. Middleburg), Limnology and Oceanography (2007)

We performed a 15N-labeling study to investigate nitrogen incorporation and retention by the benthic microbial...

 

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Seasonal discrepancies for defining critical loads of carbon in shallow coastal ecosystems (with Angus JP Ferguson), Marine Ecology Progress Series (2007)

Isotope pairing (IP) and N2:Ar techniques for measuring sediment denitrification were compared in muddy sediments...

 

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Deoxygenation potential of the lower Richmond River floodplain, northern NSW, Australia (with Geoffrey Kerr and Leigh A. Sullivan), River Research and Applications (2006)

Periodic deoxygenation events (DO < 1 mg/L) occur in the Richmond River Estuary on the...

 

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Impact of a flood event on benthic and pelagic coupling in a subtropical east Australian estuary (Brunswick) (with Angus JP Ferguson), Estuarine, Coastal and Shelf Science (2006)

We examined the impact of a 1:3 year return period flood on benthic and pelagic...

 

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Quantification of dentrification in permeable sediments: insights from a two dimensional simulation analysis and experimental data (with Perran LM Cook, Frank Wenzhofer, Soren Rysgaard, Oleksiy S. Galaktionov, Filip JR Meysman, Jeffrey Cornwell, Markus Huettel, and Ronnie N. Glud), Limnology and Oceanography Methods (2006)

Using a two-dimensional simulation analysis, we investigated the effects of sediment flushing on denitrification and...

 

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Benthic metabolism and nitrogen cycling in a sub-tropical east Australian estuary (Brunswick) - temporal variability and controlling factors (with Angus JP Ferguson), Limnology and Oceanography (2005)

We examined temporal variability in benthic metabolism and nitrogen (N) cycling in the subtropical Brunswick...

 

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Estuarine modification of nutrient and sediment exports to the Great Barrier Reef Marine Park from the Daintree and Annan River catchments (with Peter L. Davies), Marine Pollution Bulletin (2005)

Nutrient and suspended sediment concentrations were measured in the dry season and during the rising...

 

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Benthic fluxes of nitrogen in the tidal reaches of a turbid, high nitrate subtropical river (with Perran LM Cook, Rhys Leeming, and Edward CV Butler), Estuarine, Coastal and Shelf Science (2004)

Benthic fluxes of dissolved inorganic nitrogen (NO3- and NH4+), dissolved organic nitrogen (DON), N2 (denitrification),...

 

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Benthic nutrient fluxes in euphotic sediments along shallow sub-tropical estuaries, northern NSW, Australia (with Angus JP Ferguson and Jennita M. Gay), Aquatic Microbial Ecology (2004)

Diurnal benthic fluxes of dissolved inorganic and organic nitrogen (DIN and DON) and dinitrogen gas...

 

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Carbon and nitrogen cycling on intertidal mudflats of a temperate Australian estuary: I. Benthic metabolism (with Perran LM Cook and Edward CV Butler), Marine Ecology Progress Series (2004)

The light and dark inundated fluxes of O2and total CO2 (TCO2), as well as the...

 

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Carbon and nitrogen cycling on intertidal mudflats of a temperate Australian estuary: II. Nitrogen cycling (with Perran LM Cook, Andrew T. Revill, and Edward CV Butler), Marine Ecology Progress Series (2004)

Benthic fluxes of dissolved nitrogen, rates of denitrification, N2 fixation and NH4+ upward flux within...

 

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Dry season suspended sediment concentration and sedimentation in the Richmond River estuary, northern NSW, Australia (with Shahadat Hossain and David M. McConchie), Australian Journal of Soil Research, (2004)

Dry season suspended sediment concentration and sedimentation in the Richmond River catchment were investigated during...

 

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Effect of natural populations of burrowing thalassinidean shrimp on sediment irrigation, benthic metabolism, nutrient fluxes and denitrification (with Arthur P. Webb), Marine Ecology Progress Series (2004)

The aim of this study was to determine the effect of burrowing by natural populations...

 

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Impacts of dredging on dry season suspended sediment concentrations in the Brisbane River estuary, Queensland Australia (with Shahadat Hossain and Lester J. McKee), Estuarine, Coastal and Shelf Science (2004)

Extensive dredging in the Brisbane River estuary since European settlement has significantly altered estuarine hydrological...

 

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Nutrient cycling in the sub-tropical Brunswick estuary, northern NSW, Australia (with Angus JP Ferguson and Jennita M. Gay), Estuaries (2004)

A combination of mixing plots, one-dimensional salt balance modelling, nutrient loading budgets, and benthic flux...

 

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Reply to comment on our paper: Comparison of isotope pairing and N2: Ar methods for measuring sediment dentrification rates (with Soren Rysgaard, Tage Dalsgaard, and Peter B. Christensen), Estuaries (2004)
 

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The effect of natural populations of the borrowing and grazing soldier crab (Mictyris longicarpus) on sediment irrigation, benthic metabolism and nitrogen fluxes (with Arthur P. Webb), Journal of Experimental Marine Biology and Ecology (2004)

The aim of this study was to determine the effect of sediment grazing and burrowing...

 

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The effects of two benthic chamber stirring systems on the diffusive boundary layer, oxygen flux, and passive flow through model macrofauna burrows (with Arthur P. Webb), Estuaries (2004)

Diffusive boundary layers (DBL), sediment oxygen flux, and natural passive flow through model macrofauna burrows...

 

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Intra- and inter-annual variability in the different forms of diffuse nitrogen and phosphorus delivered to seven sub-tropical east Australian estuaries (with David Pont), Estuarine, Coastal and Shelf Science (2003)

Intra- and inter-annual variability in the different forms of diffuse nitrogen and phosphorus delivered to...

 

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Organic matter and benthic metabolism in euphotic sediments along shallow sub-tropical estuaries, northern NSW, Australia (with Angus JP Ferguson and Jennita M. Gay), Aquatic Microbial Ecology (2003)

Sediment organic matter (OM), chloropigments and benthic metabolism (oxygen, carbon dioxide and alkalinity fluxes) were...

 

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Carbon, nitrogen and phosphorus budgets for a shallow sub-tropical coastal embayment (Moreton Bay, Australia) (with Lester J. McKee), Limnology and Oceanography (2002)

Average annual carbon, nitrogen, and phosphorus budgets were constructed for Moreton Bay. Primary production was...

 

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Comparison of carbon production and decomposition, benthic nutrient fluxes and dentrification in seagrass, phytoplankton, benthic microalgae- and macroalgae- dominated warm-temperate Australian lagoons (with Angus JP Ferguson), Marine Ecology Progress Series (2002)

The influence of marine plants representing different stages of eutrophication on carbon decomposition and production,...

 

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Comparison of isotope pairing and N2/Ar methods for measuring sediment dentrification - assumptions, modifications and implications (with Soren Rysgaard, Tage Dalsgaard, and Peter B. Christensen), Estuaries (2002)

Denitrification has been measured during the last few years using two different methods in particular:...

 

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Spatial and temporal variations of suspended sediment responses from the sub-tropical Richmond River catchment, NSW, Australia (with David M. McConchie), Australian Journal of Soil Research (2002)

Suspended sediment exports from the Richmond River catchment were examined during 2 hydrological years (1994–96)....

 

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Suspended sediment exchange through the sub-tropical Richmond River estuary, Australia: a balance approach (with Shahadat Hossain), Estuarine, Coastal and Shelf Science (2002)

Major sources of suspended sediments and their exchanges with the continental shelf for the Richmond...

 

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Influence of climate, geology and humans on spatial and temporal nutrient geochemistry in the subtropical Richmond River catchment, Australia (with Lester J. McKee, Shahadat Hossain, and Peter R. Pepperell), Marine and Freshwater Research (2001)

Water quality was monitored on a spatial and temporal basis in the subtropical Richmond River...

 

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Suspended sediment dynamics in the sub-tropical microtidal Richmond River estuary, Australia (with Shahadat Hossain and David M. McConchie), Estuarine, Coastal and Shelf Science (2001)

Suspended sediment transport and sedimentation dynamics in the sub-tropical Richmond River estuary were investigated between...

 

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A regional evaluation of nutrient transformation and phytoplankton growth in nine river dominated sub-tropical East Australian estuaries, Marine Ecology Progress Series (2000)

Nutrient transformation and phytoplankton growth were examined in 9 river-dominated sub-tropical east Australian estuaries in...

 

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Intra- and inter-annual export of nitrogen and phosphorus in the sub-tropical Richmond River catchment, Australia (with Lester J. McKee and Shahadat Hossain), Hydrological Processes (2000)

Nitrogen and phosphorus concentrations were measured and exports were calculated in the subtropical Richmond River...

 

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Nitrogen and phosphorus budgets for the sub-tropical Richmond River catchment, Australia (with Lester J. McKee), Biogeochemistry (2000)

Nitrogen and phosphorus budgets were developed for four sub-catchments in the Richmond River catchment for...

 

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Transport and retention of nitrogen and phosphorus in the sub-tropical Richmond River estuary, Australia - a budget approach (with Lester J. McKee and Shahadat Hossain), Biogeochemistry (2000)

Nitrogen and phosphorus loads in the sub-tropical Richmond River estuary were quantified and material budgets...

 

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A comparative study of nutrient processes along the salinity gradient of tropical and temperate estuaries. (with Philip W. Balls), Estuaries and Coasts (1999)

The differences and similarities between near-pristine estuaries of different latitudinal regions were examined by selecting...

 

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A spatially intensive approach to water quality monitoring in the Rous River catchment (with Peter R. Pepperell), Journal of Environmental Management (1999)

The Rous River catchment northern NSW, Australia was used as a case study to evaluate...

 

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Iron and aluminium partitioning and behaviour in acidified lower Richmond River catchment waterways (with Angus JP Ferguson), Australian Geological Survey Organisation Journal (1999)
 

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The distribution of nutrients in the bottom sediments of Port Jackson (Sydney Harbour), Australia (with Gavin F. Birch and Stuart E. Taylor), Marine Pollution Bulletin (1999)
 

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The use of sediments to assess environment impact on a large coastal catchment: the Hawkesbury river system (with Gavin F. Birch and Stuart E. Taylor), Australian Geological Survey Organisation Journal (1999)
 

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A suspended sediment budget for the modified sub-tropical Brisbane River estuary, Australia (with Shahadat Hossain and Lester J. McKee), Estuarine, Coastal and Shelf Science (1998)

Annual suspended sediment budgets, for an average flow year and a wet year, were constructed...

 

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Transport, retention and transformation of material in Australian estuaries, Estuaries (1998)

Australian estuaries can be classified into five groups on the basis of their hydrology: Mediterranean,...

 

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Importance of marine inputs to the sediment and nutrient loads of coastal plain estuaries: a case study of Pumicestone Passage, south east Queensland, Australia (with Lisa France), Marine and Freshwater Research (1997)

Sediment and nutrient exchange between Deception Bay and Pumicestone Passage was studied to test the...

 

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Nutrient behaviour during post-flood recovery of the Richmond River estuary northern NSW, Australia (with Colleen Twigg), Estuarine, Coastal and Shelf Science (1997)

Dissolved and particulate inorganic and organic forms of phosphorus and nitrogen, suspended sediments, dissolved silica...

 

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Water quality changes in an episodically flushed sub-tropical Australian estuary: a 50 year perspective, Marine Chemistry (1997)

Recent and historical data sets from the Richmond River estuary (New South Wales, Australia) were...

 

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A first-order nutrient budget for the tropical Moresby estuary and catchment North Queensland, Australia, Journal of Coastal Research (1995)
 

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Early cambrian alluvial fan-deltas in the Georgina Basin, Australia, Australian Journal of Earth Sciences (1994)
 

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Nutrient biogeochemistry in the tropical Moresby River estuary system North Queensland, Australia, Estuarine, Coastal and Shelf Science (1994)

Dissolved, particulate and sediment-bound nutrients were studied in the Moresby River estuary and catchment, to...

 

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Implications of sedimentological studies for environmental pollution assessment and management: examples from fluvial systems in North Queensland and Western Australia (with David M. McConchie), Sedimentary Geology (1993)

Sedimentology is of increasing importance in environmental research, particularly environmental pollution studies, where past trends...

 

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Nutrients in the sediments of a tropical north eastern Australian estuary, catchment and nearshore coastal zone, Australian Journal of Marine and Freshwater Research (1993)
 

Conference publications

Sediment biogeochemical indicators for defining sustainable nutrient loads to coastal ecosystems (with Angus JP Ferguson), Proceedings & presentations [electronic resource] / Coast to coast 2002, Australia's National Coastal Conference (2002)
 

Reports

Causes of deoxygenation in the Richmond River estuary, Final report to Environmental Trust (2001/RD/60005) (with Geoffrey Kerr and Leigh A. Sullivan), School of Environmental Science and Management Papers (2005)
 

Evaluation of the impact of nitrogen and phosphorous loads from the Alstonville, Wardell and Ballina sewage treatment plants on water quality in Richmond River catchment and estuary (with Peter R. Pepperell), School of Environmental Science and Management Papers (2001)
 

Nitrogen and phosphorous budgets for Tuggerah Lakes, Australia (with Peter R. Pepperell), School of Environmental Science and Management Papers (2001)
 

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A physical classification of Australian estuaries (with M J. Digby, Peter Saenger, M B. Whelan, David McConchie, N Holmes, and Daniel J. Bucher), National River Health Program, Urban sub-program Report (1999)

The need for practical estuarine classification schemes as resource management tools is becoming more apparent...

 

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Review of techniques to estimate catchment exports (with Rebecca A. Letcher, Anthony J. Jakeman, Wendy S. Merritt, Lester J. McKee, and B Baginska), School of Environmental Science and Management Papers (1999)

This Technical Report was commissioned by the NSW Environment Protection Authority as part of its...