Dr Gareth Williams

Darllenydd

Contact info

Room: 303 Craig Mair      Phone: +44(0)1248 382588

E-mail: g.j.williams@bangor.ac.uk      Twitter 

Google Scholar      Research Gate

 

I graduated in Marine Biology (University of Liverpool) in 2004 and completed an MSc in Marine Environmental Protection (Bangor University) in 2006. I began a PhD in Marine Biology (Victoria University of Wellington, New Zealand) in 2007 in coral disease ecology, combining macroecology, experimental ecology, and histopathology to identify disease baselines and drivers of disease prevalence on Pacific coral reefs. A focus study site of mine was Palmyra Atoll, an uninhabited atoll in the Northern Line Islands. After obtaining my PhD in 2011, I was awarded a post-doctoral scholarship at Scripps Institution of Oceanography, University of California San Diego (UCSD) where I continued to work on the macroecology of Pacific coral reefs. This role at Scripps transitioned into an Assistant Project Scientist position within the Center for Marine Biodiversity and Conservation in 2013. I left Scripps in late 2015 to return to the UK and take up my full-time role within the School of Ocean Sciences at Bangor University.  

I am a marine ecologist specialising in coral reef ecology. My work focuses on the interaction of organisms with their environment, often taking a macroecological approach. I am particularly interested in how human activities and natural biophysical gradients interact to drive community patterns across multiple trophic levels (microbes to sharks) and scales (individual reefs to entire ocean basins). Much of my work incorporates remote coral reefs free from direct human impact, providing key replication at the unimpacted end of an intact-to-degraded ecosystem spectrum. By surveying across extensive geographical areas we address broad questions pertaining to: 1. the human, climatic and oceanographic drivers of coral reef ecosystem structure and function, 2. climate change impacts to coral reef ecosystems, 3. the spatial ecology of coral reefs, and 4. disease dynamics on coral reefs.

 

Research Areas 

  1. 2024
  2. Cyhoeddwyd

    Regional reef fish assemblage maps provide baseline biogeography for tropicalization monitoring

    Walker, B., Becker, D., Williams, G. J., Kilfoyle, A., Smith, S. & Kozachuk, A., 3 Ebr 2024, Yn: Scientific Reports. 14, 1, t. 7893 7893.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. 2023
  4. Cyhoeddwyd

    Local human impacts disrupt depth-dependent zonation of tropical reef fish communities

    Richardson, L., Heenan, A., Delargy, A., Neubauer, P., Lecky, J., Gove, J. M., Green, M., Kindinger, T., Ingeman, K. & Williams, G. J., Tach 2023, Yn: Nature Ecology and Evolution. 7, 11, t. 1844-1855 12 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Coral reefs benefit from reduced land–sea impacts under ocean warming

    Gove, J. M., Williams, G. J., Lecky, J., Brown, E., Conklin, E., Counsell, C., Davis, G., Donovan, M., Falinski, K., Kramer, L., Kozar, K., Li, N., Maynard, J. A., McCutcheon, A., McKenna, S., Neilson, B., Safaie, A., Teague, C., Whittier, R. & Asner, G., 21 Medi 2023, Yn: Nature. 621, 7979, t. 536-542 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. E-gyhoeddi cyn argraffu

    Near-island enhancement in mesopelagic micronekton communities off Hawaiʻi

    Drazen, J., Clark, B., Gove, J. M., Phipps, J., Copeland, A., Lecky, J., Green, M., Kobayashi, D., Turner, J., Whitney, J. & Williams, G. J., 10 Gorff 2023, (E-gyhoeddi cyn argraffu) Yn: Deep Sea Research Part I: Oceanographic Research Papers. 104107.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    Recurring bleaching events disrupt the spatial properties of coral reef benthic communities across scales

    Ford, H., Gove, J. M., Healey, J., Davies, A., Graham, N. & Williams, G. J., 10 Gorff 2023, Yn: Remote Sensing in Ecology and Conservation. 10, 1, t. 39-55 17 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. E-gyhoeddi cyn argraffu

    Host density and anthropogenic stress are drivers of variability in dark spot disease in Siderastrea siderea across the Florida Reef Tract

    Aeby, G. S., Williams, G. J., Whitall, D., Davies, A., Fromuth, E. & Walker, B. K., 27 Meh 2023, (E-gyhoeddi cyn argraffu) Yn: Bulletin of Marine Science .

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    Ocean currents magnify upwelling and deliver nutritional subsidies to reef-building corals during El Niño heatwaves

    Fox, M., Guillaume-Castel, R., Edwards, C., Glanz, J., Gove, J. M., Green, M., Juhlin, E., Smith, J. & Williams, G. J., 14 Meh 2023, Yn: Science Advances. 9, 24, eadd5032.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    Macroalgae exhibit diverse responses to human disturbances on coral reefs

    Cannon, S., Donner, S., Liu, A., Gonzalez Espinosa, P., Baird, A., Baum, J., Bauman, A., Beger, M., Benkwitt, C., Birt, M., Chancerelle, Y., Cinner, J., Crane, N., Denis, V., Depczynski, M., Fadli, N., Fenner, D., Fulton, C., Golbuu, Y., Graham, N., Guest, J., Harrison, H., Hobbs, J-P., Hoey, A., Holmes, T., Houk, P., Januchowski-Hartley, F., Jompa, J., Kuo, C-Y., Valentino Limmon, G., Lin, Y., McClanahan, T., Muenzel, D., Paddack, M., Planes, S., Pratchett, M., Radford, B., Reimer, J., Richards, Z., Ross, C., Rulmal Jr., J., Sommer, B., Williams, G. J. & Wilson, S., 1 Meh 2023, Yn: Global Change Biology. 29, 12, t. 3318-3330

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Influence of upwelling on coral reef benthic communities: a systematic review and meta-analysis

    Spring, D. & Williams, G. J., 29 Maw 2023, Yn: Proceedings of the Royal Society B: Biological Sciences. 290, 1995, t. 20230023 1 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Co-occurrence of herbivorous fish functional groups correlates with enhanced coral reef benthic state

    Sheppard, C., Williams, G. J., Exton, D. & Keith, S., Maw 2023, Yn: Global Ecology and Biogeography. 32, 3, t. 435-449 15 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. 2022
  14. Cyhoeddwyd

    Seabed morphology and bed shear stress predict temperate reef habitats in a high energy marine region

    Jackson-Bue, T., Williams, G., Whitton, T., Roberts, M., Goward Brown, A., Amir, H., King, J., Powell, B., Rowlands, S., Llewelyn Jones, G. & Davies, A., 5 Medi 2022, Yn: Estuarine, Coastal and Shelf Science. 274, 107934.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    Linking variation in planktonic primary production to coral reef fish growth and condition

    Roche, R., Heenan, A., Taylor, B. M., Schwarz, J. N., Fox, M. D., Southworth, L., Williams, G. & Turner, J., 31 Awst 2022, Yn: Royal Society Open Science. 9, 8, t. 201012 201012.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    The fundamental links between climate change and marine plastic pollution

    Ford, H. V., Jones, N., Davies, A. J., Godley, B. J., Jambeck, J. R., Napper, I. E., Suckling, C. C., Williams, G. J., Woodall, L. & Koldewey, H. J., 1 Chwef 2022, Yn: Science of the Total Environment. 806, Pt 1, 150392.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. 2021
  18. Cyhoeddwyd

    Three-dimensional mapping reveals scale-dependent dynamics in biogenic reef habitat structure

    Jackson-Bué, T., Williams, G., Walker-Springett, G., Rowlands, S. & Davies, A., Rhag 2021, Yn: Remote Sensing in Ecology and Conservation. 7, 4, t. 621-637 17 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Precision and cost-effectiveness of bioindicators to estimate nutrient regimes on coral reefs

    Vaughan, E. J., Wynn, P. M., Wilson, S. K., Williams, G. J., Barker, P. A. & Graham, N. A. J., Medi 2021, Yn: Marine Pollution Bulletin. 170, 112606.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    Coral reef resilience differs among islands within the Gulf of Mannar, southeast India following successive coral bleaching events

    Diraviya Raj, K., Aeby, G., Mathews, G., Williams, G. J., Caldwell, J., Laju, R. L., Selva Bharath, M., Dinesh Kumar, P., Arasamuthu, A., Gladwin Gnana Asir, N., Wedding, L., Davies, A., Moritsch, M. & Patterson Edward, J. K., Awst 2021, Yn: Coral Reefs. 40, 4, t. 1029-1044

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. Cyhoeddwyd

    Quantifying upwelling in tropical shallow waters: a novel method using a temperature stratification index

    Guillaume-Castel, R., Williams, G. J., Rogers, J. S., Gove, J. M. & Green, M., Awst 2021, Yn: Limnology and Oceanography: Methods. 19, 8, t. 566-577 10499.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Artificial shorelines lack natural structural complexity across scales

    Lawrence, P., D'Urban Jackson, T., Jenkins, S., Williams, G. J. & Davies, A., 26 Mai 2021, Yn: Proceedings of the Royal Society B: Biological Sciences. 288, 1951, t. 20210329 rspb.2021.0329.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    Nitrogen enrichment in macroalgae following mass coral mortality

    Vaughan, E., Wilson, S., Howlett, S., Parravicini, V., Williams, G. J. & Graham, N. A. J., 12 Ebr 2021, Yn: Coral Reefs.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    Spatial scaling properties of coral reef benthic communities

    Ford, H., Gove, J. M., Davies, A., Graham, N. A. J., Healey, J., Conklin, E. & Williams, G. J., 1 Chwef 2021, Yn: Ecography. 44, 2, t. 188-198 11 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    Spatial and temporal scales of coral reef fish ecological research and management: a systematic map protocol

    Lawrence, A., Heenan, A., Levine, A., Haddaway, N., Powell, F., Wedding, L., Roche, R., Lawrence, P., Szostek, C., Ford, H., Southworth, L., Sannassy Pilly, J., Richardson, L. & Williams, G. J., 25 Ion 2021, Yn: Environmental Evidence. 10, 3.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. 2020
  27. Cyhoeddwyd

    Local human impacts disrupt relationships between benthic reef assemblages and environmental predictors

    Ford, A., Jouffray, J-B., Norstrom, A. V., Moore, B., Nugues, M., Williams, G. J., Bejarano, S., Magron, F., Wild, C. & Ferse, S., 21 Hyd 2020, Yn: Frontiers in Marine Science. 7, 571115.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    A review of a decade of lessons from one of the world’s largest MPAs: conservation gains and key challenges

    Hays, G. C., Koldewey, H., Meeuwig, J. J., Attrill, M. J., Barley, S., Bayley, D., . Benkwitt, C. E., Block, B., Schallert, R. J., Carlisle, A. B., Carr, P., Chapple, T. K., Collins, C., Diaz, C., Dunn, N., Dunbar, R. B., Eager, D. S., Engel, J., Embling, C. B., Esteban, N., Ferretti, F., Foster, N. L., Freeman, R., Gollock, M., Graham, N. A. J., Harris, J. L., Head, C. E. I., Hosegood, P., Howell, K. L., Hussey, N. E., Jacoby, D. M. P., Jones, R., Lange, I. D., Letessier, T. B., Levey, E., Lindhart, M., McDevitt-Irwin, J. M., Meekan, M. G., Micheli, F., Mogg, A., Mortimer, J. A., Mucciarone, D., Nicoll, M. A., Nuno, A., Perry, C. T., Sannassy Pilly, J., Preston, S. G., Rattray, A. J., Robinson, E., Roche, R., Schiele, M., Sheehan, E. V., Sheppard, A., Sheppard, C., Smith, A. L., Soule, B., Spalding, M., Stevens, G. M. W., Steyaert, M., Stiffel, S., Taylor, B., Tickler, D. M., Trevail, A. M., Trueba, P., Turner, J., Votier, S., Wilson, B., Williams, G., Williamson, B. J., Williamson, M. J., Wood, H. & Curnick, D. J., 14 Hyd 2020, Yn: Marine Biology. 167, 11, 159.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. Cyhoeddwyd

    Modelling the linkage between coral assemblage structure and pattern of environmental forcing

    Sandin, S. A., Eynaud, Y., Williams, G. J., Edwards, C. & McNamara, D., 14 Hyd 2020, Yn: Royal Society Open Science. 7, 10, 200565.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Possible control of acute outbreaks of a marine fungal pathogen by nominally herbivorous tropical reef fish

    Neal, B., Honisch, B., Warrender, T., Williams, G. J., Work, T. & Price, N., 12 Gorff 2020, Yn: Oecologia. 193, 3, t. 603-617

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

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