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Environmental Sciences

D-Index
49
Citations
8282
World Ranking
5279
National Ranking
184

Overview

David T. Welsh is affiliated with Griffith University in Australia, where their research focuses on environmental science and earth and planetary sciences. The scientist has contributed extensively to the study of coastal and marine ecosystems, with particular attention to ecosystem dynamics and pollution effects in aquatic environments.

Their published work includes research papers in well-known venues such as Marine Pollution Bulletin, Limnology and Oceanography, and The Science of The Total Environment. Key recent publications include:

  • Extreme eutrophication and salinisation in the Coorong estuarine-lagoon ecosystem of Australia's largest river basin (Murray-Darling), 2023, Marine Pollution Bulletin
  • Denitrification, anammox, and dissimilatory nitrate reduction to ammonium across a mosaic of estuarine benthic habitats, 2020, Limnology and Oceanography
  • Trophic transfer of microbeads to jellyfish and the importance of aging microbeads for microplastic experiments, 2021, Marine Pollution Bulletin
  • Loss of benthic macrofauna functional traits correlates with changes in sediment biogeochemistry along an extreme salinity gradient in the Coorong lagoon, Australia, 2021, Marine Pollution Bulletin
  • Limited ingestion, rapid egestion and no detectable impacts of microbeads on the moon jellyfish, Aurelia aurita, 2020, Marine Pollution Bulletin

Welsh's research explores several main topics, including:

  • Coastal wetland ecosystem dynamics
  • Marine bivalve and aquaculture studies
  • Marine and coastal ecosystems
  • Microplastics and plastic pollution
  • Marine biology and ecology research
  • Geochemistry and elemental analysis
  • Soil erosion and sediment transport

Their expertise extends into numerous subfields such as ecology, oceanography, global and planetary change, pollution, and geochemistry and petrology. This multidisciplinary approach supports investigations into biogeochemical processes and environmental impacts within estuarine and lagoon systems.

Frequent collaborators in Welsh's scientific efforts include:

  • William W. Bennett
  • Luke M. Mosley
  • Nicholas J.C. Doriean
  • Justin D. Brookes
  • Jianyin Huang

Welsh's body of work is published predominantly in Marine Pollution Bulletin, reflecting their sustained interest in marine environmental issues. Other notable venues include Limnology and Oceanography, The Science of The Total Environment, Frontiers in Earth Science, and Talanta.

Across their publications, Welsh engages with environmental science themes predominantly, with a focus on how changes in salinity, pollution, and nutrient dynamics influence coastal and estuarine ecosystems. The work contributes to understanding aquatic ecosystem functions and responses to human and natural influences.

Best Publications

  • Ecological significance of compatible solute accumulation by micro‐organisms: from single cells to global climate

    David Thomas Welsh

  • Impact of urbanization on coastal wetland structure and function

    Shing Yip Lee;Shing Yip Lee;Ryan Jay Keith Dunn;Ruth Anne Young;Rod Martin Connolly;Rod Martin Connolly

  • Removing ammonium from water and wastewater using cost-effective adsorbents: A review.

    Jianyin Huang;Jianyin Huang;Nadeeka Rathnayake Kankanamge;Christopher Chow;David T. Welsh

  • Nitrogen fixation in seagrass meadows: Regulation, plant–bacteria interactions and significance to primary productivity

    David Thomas Welsh

  • Influence of jellyfish blooms on carbon, nitrogen and phosphorus cycling and plankton production

    Kylie Anne Pitt;David Thomas Welsh;Robert H. Condon

  • It's a dirty job but someone has to do it: The role of marine benthic macrofauna in organic matter turnover and nutrient recycling to the water column

    David Thomas Welsh

  • Impact of clam and mussel farming on benthic metabolism and nitrogen cycling, with emphasis on nitrate reduction pathways

    Daniele Nizzoli;David Thomas Welsh;Elisa Anna Fano;Pierluigi Viaroli

  • Denitrification, nitrogen fixation, community primary productivity and inorganic-N and oxygen fluxes in an intertidal Zostera noltii meadow

    David T. Welsh;Marco Bartoli;Daniele Nizzoli;Giuseppe Castaldelli

  • Sulphate reduction and nitrogen fixation rates associated with roots, rhizomes and sediments from Zostera noltii and Spartina maritima meadows.

    Lise B. Nielsen;Kai Finster;David T. Welsh;Andrew Donelly

  • Osmotically induced intracellular trehalose, but not glycine betaine accumulation promotes desiccation tolerance in Escherichia coli

    David T. Welsh;Rodney A. Herbert

  • Iron, sulphur and phosphorus cycling in the rhizosphere sediments of a eutrophic Ruppia cirrhosa meadow (Valle Smarlacca, Italy)

    Roberta Azzoni;Gianmarco Giordani;Marco Bartoli;David T Welsh

  • New diffusive gradients in a thin film technique for measuring inorganic arsenic and selenium(IV) using a titanium dioxide based adsorbent.

    William W. Bennett;Peter R. Teasdale;Jared G. Panther;David T. Welsh

  • Seasonal variations in nitrogen-fixation (acetylene reduction) and sulphate-reduction rates in the rhizosphere of Zostera noltii: nitrogen fixation by sulphate-reducing bacteria

    D. T. Welsh;S. Bourgués;R. de Wit;R. A. Herbert

  • ROBUST: The ROle of BUffering capacities in STabilising coastal lagoon ecosystems

    R. De Wit;L.J. Stal;B.A. Lomstein;R.A. Herbert

  • Diffusive Gradients in Thin Films Reveals Differences in Antimony and Arsenic Mobility in a Contaminated Wetland Sediment during an Oxic-Anoxic Transition.

    Maja Arsic;Peter R Teasdale;David Thomas Welsh;Scott G Johnston

  • Implications for oxygen, nutrient fluxes and denitrification rates during the early stage of sediment colonisation by the polychaete Nereis spp. in four estuaries

    Daniele Nizzoli;Marco Bartoli;Martin Cooper;David Thomas Welsh

  • Titanium dioxide-based DGT technique for in situ measurement of dissolved reactive phosphorus in fresh and marine waters.

    Jared G. Panther;Peter R. Teasdale;William W. Bennett;David T. Welsh

  • Speciation of dissolved inorganic arsenic by diffusive gradients in thin films: selective binding of AsIII by 3-mercaptopropyl-functionalized silica gel

    William W. Bennett;Peter R. Teasdale;Jared G. Panther;David T. Welsh

  • Impacts of shrimp farm effluent on water quality, benthic metabolism and N-dynamics in a mangrove forest (New Caledonia)

    Nathalie Molnar;David Thomas Welsh;Cyril Marchand;Jonathan Deborde

  • Impacts of mussel (mytilus galloprovincialis) farming on oxygen consumption and nutrient recycling in a eutrophic coastal lagoon

    Daniele Nizzoli;David Thomas Welsh;Marco Bartoli;Pierluigi Viaroli

Frequent Co-Authors

Peter R. Teasdale
Peter R. Teasdale University of South Australia
Pierluigi Viaroli
Pierluigi Viaroli University of Parma
Marco Bartoli
Marco Bartoli University of Parma
Dianne F. Jolley
Dianne F. Jolley University of Wollongong
Kylie Anne Pitt
Kylie Anne Pitt Griffith University
Huijun Zhao
Huijun Zhao Griffith University
Laurent Seuront
Laurent Seuront Centre national de la recherche scientifique, CNRS
Tarik Meziane
Tarik Meziane French National Museum of Natural History
G. Giordani
G. Giordani University of Parma
Nathan J. Waltham
Nathan J. Waltham James Cook University

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