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Early Detection of Seagrass Habitat Loss Caused by Eutrophication

Funding: 2015: $120,000
2016: $120,000
2017: $120,000

Project Member(s): Kumar, M.

Funding or Partner Organisation: Australian Research Council (ARC DECRA Scheme)

Start year: 2015

Summary: Eutrophication (nutrient over enrichment) caused by a host of anthropogenic activities is recognised as the most widespread cause of seagrass loss. In order to effectively control seagrass loss, there is an urgent need to determine the link between eutrophication and seagrass loss. This project will undertake an innovative `omics approach (transcriptomics and metabolomics) to develop an early-warning system for seagrass loss. The acclimation and plasticity of seagrass to sub-lethal stress induced by eutrophication will be investigated at the molecular and biochemical levels. This will allow mitigation responses such as altered catchment management processes to prevent damage before meadows are lost.

Publications:

Kumar, M & Ralph, P 2017, Systems Biology of Marine Ecosystems.
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Kumar, M, Ralph, P & Kuzhiumparambil, U 2017, 'Polyamines-stress metabolites in marine macrophytes' in ALGAL GREEN CHEMISTRY: RECENT PROGRESS IN BIOTECHNOLOGY, Elsevier.
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Jiang, Z, Kumar, M, Padula, MP, Pernice, M, Kahlke, T, Kim, M & Ralph, PJ 2017, 'Development of an Efficient Protein Extraction Method Compatible with LC-MS/MS for Proteome Mapping in Two Australian Seagrasses Zostera muelleri and Posidonia australis.', Frontiers in Plant Science, vol. 8, pp. 1-14.
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Jiang, Z, Liu, S, Zhang, J, Zhao, C, Wu, Y, Yu, S, Zhang, X, Huang, C, Huang, X & Kumar, M 2017, 'Newly discovered seagrass beds and their potential for blue carbon in the coastal seas of Hainan Island, South China Sea.', Marine Pollution Bulletin, vol. 125, no. 1-2, pp. 513-521.
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Kumar, M, Padula, MP, Davey, P, Pernice, M, Jiang, Z, Sablok, G, Contreras-Porcia, L & Ralph, PJ 2017, 'Proteome Analysis Reveals Extensive Light Stress-Response Reprogramming in the Seagrass Zostera muelleri (Alismatales, Zosteraceae) Metabolism.', Frontiers in Plant Science, vol. 7, pp. 1-19.
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Kumar, M, Kuzhiumparambil, U, Pernice, M, Jiang, Z & Ralph, PJ 2016, 'Metabolomics: an emerging frontier of systems biology in marine macrophytes', ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS, vol. 16, pp. 76-92.
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Keywords: seagrass habitat loss eutrophication

FOR Codes: Marine and Estuarine Ecology (incl. Marine Ichthyology), Ecosystem Assessment and Management of Coastal and Estuarine Environments