Personal profile
Research interests
Professor Gibb is an environmental microbiologist with expertise in aquatic and marine systems and the impact of environmental change and industrial pollution on water quality and marine harvest, especially oysters. She is also interested in developing ways to monitor the health of marine systems using multiple values and indicators and led a team that in 2021 produced the first Darwin Harbour Integrated Report Card. She leads the environmental microbiology research group and the Environmental Chemistry and Microbiology Unit (ECMU) at CDU, a high impact research consultancy that works to protect the natural assets of the Northern Territory, specialising in metal, stable isotope, microbiological and molecular analyses in aquatic and terrestrial environments, including analyses of sediment, water and biota. For more than 10 years she and her team have studied Vibrio bacteria ecology and food safety in both artisanal marine harvest and the emerging Tropical Rock Oyster (TRO) industry. They currently have several collaborative, funded projects studying toxigenic vibrio baselines and optimum storage, transport and shelf-life conditions to inform cold supply chains in the north Australian TRO industry. Her scientific output includes over 150 refereed papers, over 4,000 citations and an h-index of 36 (Google Scholar) but the most rewarding aspect of her job is being part of the incredibly dedicated and professional ECMU team, mentoring postgraduate students and collaborations with researchers from other universities, Government, Industry and First Nation Scientists.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 2 Zero Hunger
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SDG 3 Good Health and Well-being
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SDG 6 Clean Water and Sanitation
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SDG 9 Industry, Innovation, and Infrastructure
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SDG 11 Sustainable Cities and Communities
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SDG 13 Climate Action
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SDG 14 Life Below Water
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SDG 15 Life on Land
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Collaborations and top research areas from the last five years
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2019 Rainmaker Readiness - Positioning CDU for a future National Environmental Science Program bid
Banks, S. (Principal Investigator/Chief Investigator A), Gibb, K. (Principal Investigator/Chief Investigator A) & Russell-Smith, J. (Principal Investigator/Chief Investigator A)
6/11/19 → 30/04/21
Project: Research
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NAWCRC: 2019 Rainmaker Readiness-To support a Stage 1 application for a North Australia Water Cooperative Research Centre
Gibb, K. (Principal Investigator/Chief Investigator A), Kaestli, M. (Principal Investigator/Chief Investigator A) & Duvert, C. (Principal Investigator/Chief Investigator A)
1/11/19 → 30/04/21
Project: Research
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2020 Rainmaker Readiness Grant - To Support Stage 2 submission for a Water in Northern Australia Co-operative Research Centre (WiNA CRC)
Gibb, K. (Principal Investigator/Chief Investigator A), Padovan, A. (Principal Investigator/Chief Investigator A) & Lambrinidis, D. (Other)
29/07/21 → 31/01/22
Project: Research
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2021 IAS Rainmaker Start Up – Role of skin microbes in Sawfish stranding survivorship
Kyne, P. M. (Principal Investigator/Chief Investigator A), Gibb, K. (Co Investigator/Chief Investigator B), Kaestli, M. (Chief Investigator C) & Christian, K. (Chief Investigator D)
1/10/21 → 16/03/23
Project: Research
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2022 Rainmaker Start-Up - De-risking vibrios for food safety and human health
Gibb, K. (Principal Investigator/Chief Investigator A), Padovan, A. (Co Investigator/Chief Investigator B), Kaestli, M. (Chief Investigator C) & Christian, K. (Chief Investigator D)
11/08/22 → 31/05/23
Project: Research
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CCFS: 2023 Rainmaker Co-Investment Application - Identifying Links Between Climate Change, Marine Disease and Food Security
Gibb, K. (Principal Investigator/Chief Investigator A), Padovan, A. (Co Investigator/Chief Investigator B) & Tinning, Z. (Associate Investigator)
1/01/24 → 31/12/26
Project: Research
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2023 Start-Up Rainmaker Do zinc anodes protect against cadmium accumulation in juvenile oysters?
Gibb, K. (Principal Investigator/Chief Investigator A), Padovan, A. (Co Investigator/Chief Investigator B), Krishnan, K. (Chief Investigator C), Kaestli, M. (Chief Investigator D), Christian, K. (Chief Investigator E) & Munksgaard, N. (Chief Investigator F)
4/01/24 → 31/10/24
Project: Research
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Little Overlap in Symbiotic Bacteria of Coquí Frogs in Hawaii and Puerto Rico
Weitzman, C. L., Day, K., Gorman, K. M., Gibb, K., Brown, G. P. & Christian, K., Jan 2026, In: Biotropica. 58, 1, p. 1-10 10 p., e70156.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Bacterial and Vibrio community diversity in tropical rock oysters in northern Australia
Padovan, A. C., Nowland, S., Kaestli, M., Siboni, N., Tinning, Z., Seymour, J. R. & Gibb, K. S., Nov 2025, In: Marine Environmental Research. 212, p. 1-10 10 p., 107543.Research output: Contribution to journal › Article › peer-review
Open AccessFile107 Downloads (Pure) -
Cutaneous shedding in amphibians causes shifts in bacterial microbiomes
Weitzman, C. L., Brown, G. P., Gibb, K. & Christian, K., Jul 2025, In: Integrative Zoology. 20, 4, p. 807 - 816 10 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Link opens in a new tab Citations (Scopus)35 Downloads (Pure) -
Differential Temporal Shifts in Skin Bacteria on Wild and Captive Toads
Weitzman, C. L., Day, K., Brown, G. P., Gibb, K. & Christian, K., Dec 2025, In: Microbial Ecology. 88, 1, p. 1-12 12 p., 35.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Link opens in a new tab Citations (Scopus)22 Downloads (Pure) -
Dynamics of Bacterial and Vibrio Communities in Blacklip Rock Oysters in the Seasonal Tropics
Tinning, Z., Kaestli, M., Nowland, S. J., Siboni, N., Seymour, J. R., Gibb, K. S. & Padovan, A. C., 18 Nov 2025, In: Microbial Ecology. 88, 1, p. 1-14 14 p., 125.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
High genomic diversity of Vibrio parahaemolyticus from underexplored tropical northern Australia: a baseline for future surveillance
Kaestli, M., Gibb, K., Hedges, C. E. & Padovan, A., Oct 2025, In: Microbial Genomics. 11, 10, p. 1-12 12 p., 001536.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
Parthenogenic hybrid geckos differ from their sexual counterparts in skin microbiomes but not in rates of water loss
Weitzman, C. L., Day, K., Zozaya, S. M., Skelton, K., Brown, G. P., Gibb, K. & Christian, K., Oct 2025, In: Journal of Zoology. 327, 2, p. 123-133 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile37 Downloads (Pure)
Press/Media
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MIL-OSI Submissions: University News – Research to ensure Coffin Bay water quality for SA’s
28/11/23
1 item of Media coverage
Press/Media: Research
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Global warming increasing risk of vibrio in some oysters, Australian researchers find
1/06/23
1 item of Media coverage
Press/Media: Research
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As the ocean warms, a microscopic threat is blooming
22/04/21
1 item of Media coverage
Press/Media: Research
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Data on Environmental Science Detailed by Researchers at Charles Darwin University (The importance of groundwater for riverine fish faunas in a region of shale gas development in northern Australia)
Gibb, K., Davis, J. & Garcia, E.
18/05/23
1 item of Media coverage
Press/Media: Research
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University News - Research to ensure Coffin Bay water quality for SA's oyster farming and fisheries - Flinders
29/11/23
1 item of Media coverage
Press/Media: Research
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MIL-OSI New Zealand: University News – Research to ensure Coffin Bay water quality for
28/11/23
1 item of Media coverage
Press/Media: Research
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CDU Researchers Highlight Emerging Climate Change Risk to Seafood Industry
1/06/23
1 item of Media coverage
Press/Media: Research
Activities
- 3 Consultancy: No income to CDU
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WRD18Y04_BerrySprings: Berry Springs microbial source tracking
Kaestli, M. (Consultant), Gibb, K. (Consultant) & Munksgaard, N. (Consultant)
1 Sept 2018 → 31 Mar 2019Activity: Project: Not CDU-affiliated › Consultancy: No income to CDU
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Groote Eylandt Water & Oysters Collection and Analysis
Gibb, K. (Consultant), Padovan, A. (Consultant), Lambrinidis, D. (Consultant), Munksgaard, N. (Consultant) & Tinning, Z. (Consultant)
May 2018Activity: Project: Not CDU-affiliated › Consultancy: No income to CDU
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Per- and Polyfluoroalkyl Substances (PFAS) testing in sediment and aquatic foods from Darwin Harbour
Munksgaard, N. (Consultant), Lambrinidis, D. (Consultant), Grant, S. (Consultant), Gibb, K. (Consultant) & Jackson, D. (Consultant)
2016 → 2017Activity: Project: Not CDU-affiliated › Consultancy: No income to CDU
Prizes
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Tropical Knowledge Research Award
Christian, K. (Recipient), Gibb, K. (Recipient) & Peng, R. (Recipient), 2006
Prize