Personal profile
Curriculum
Curriculum Vitae
Education: Cand. Scient. 1990, Institute of Biology, Odense University. Ph.D. 1994, Institute of Biology, Odense University. Supervisor Erik Kristensen
Professional experience: Assistant Research Professor, Department of Life Sciences and Chemistry, Roskilde University, 1994 Assistant Professor, 1995-1998, Associate Professor, Institute of Biology, Odense University, 1998. Professor 2010, Department of Biology, SDU. Head of Department 2010, Department of Biology, SDU. Dean of Science Faculty 2019, SDU.
Funded Research: 2015: Nordea Fonden. Stimulering af unges interesse for havet. 2017: Havets skove. Villum Fonden. 2017 Geo & Bio Center Syd. Region Syddanmark. 2018: EU-opstart. 2018: Veluxfonden Blue Carbon Initiative workshop. 2019: Veluxfonden Blå skove.
Societies: American Society of Limnology and Oceanography, International Association For Sediment Water Science, European Society of Limnology and Oceanography, CERF, ESCA. European Aquaculture Society.
Research Interests
My research is on the ecology of the coastal zone, focusing on the interplay between ecology and biogeochemical conditions in the sediment. I am particularly interested in investigating plant response to various influences along gradients, e.g. nutrient gradients, stress gradients and disturbance gradients. I am interested in investigating reasons for reductions in seagrass abundance on a global level, including the importance of climate change. I am currently trying to understand the return of seagrasses to previous seagrass habitats, or perhaps more so the reasons why they do not come back as quickly as expected. Recently I am studying blue carbon in coastal vegetation and their potential role in climate mitigation.
Research information
Coastal zone ecology, seagrasses, blue carbon forests
Fingerprint
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Collaborations and top research areas from the last five years
Research output
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Dual mobilization of buried microplastics and organic carbon driven by seagrass degradation: a case study from Swan Lake, China
Huang, Y., Yu, S., Zheng, Z., Xiao, X., Zhu, Z., Deng, L., Wei, H., Liang, J., Chen, S. & Holmer, M., 2025, In: Frontiers in Marine Science. 12, 13 p., 1593776.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile14 Downloads (Pure) -
Enhanced Microplastic Burial in China’s Coastal Blue Carbon Ecosystems: Drivers and Potential Roles in Climate Change Mitigation
Huang, Y., Holmer, M., Xu, C., Liu, M., Masque, P., Serrano, O., Hu, J., Effiong, K., Tang, T., Zhu, J., Wu, J. & Xiao, X., 2. Dec 2025, In: Environmental Science and Technology. 59, 47, p. 25442-25453Research output: Contribution to journal › Journal article › Research › peer-review
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Seagrass and macroalgae on shores: unraveling the decomposition of beach wrack on Danish coasts
Pan, Y. & Holmer, M., 15. Oct 2025, In: Estuarine, Coastal and Shelf Science. 324, 10 p., 109473.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile18 Downloads (Pure) -
From sink to source: Dynamic of greenhouse gases emissions from beach wrack accumulations in a temperate coastal bay
Lanari, M., Busk, T., Holmer, M., Möller-Raid, T., Torn, K., Schubert, H. & Quintana, C. O., 15. May 2024, In: Science of the Total Environment. 925, 11 p., 171783.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile123 Downloads (Pure) -
Region-specific drivers cause low organic carbon stocks and sequestration rates in the saltmarsh soils of southern Scandinavia
Leiva-Dueñas, C., Graversen, A. E. L., Banta, G. T., Hansen, J. N., Schrøter, M. L. K., Masqué, P., Holmer, M. & Krause-Jensen, D., Feb 2024, In: Limnology and Oceanography. 69, 2, p. 290-308Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile66 Downloads (Pure)
Activities
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ADIPOSIGN Opening Sympoisum
Mandrup, S. (Organizer), Holmer, M. (Panel member), Møller-Jensen, J. (Panel member), Kornfeld, J.-W. (Panel member), Gerhart-Hines, Z. (Panel member), Babu, M. M. (Panel member), Blüher, M. (Panel member), Loos, R. J. F. (Panel member), Klingenspor, M. (Panel member) & Wolfrum, C. (Panel member)
27. May 2019Activity: Attending an event › Organisation or participation in workshops, courses or seminars
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Submerged aquatic vegetation in relation to changing nutrient and climate regimes
Holmer, M. (Guest lecturer)
19. Jun 2018Activity: Talks and presentations › Conference presentations
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4th International Symposium on Research and Management of Eutrophication in Coastal Ecosystems
Holmer, M. (Organizer)
18. Jun 2018 → 20. Jun 2018Activity: Attending an event › Conference organisation or participation
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BlueCarbon ITN coordinator meeting
Hasler-Sheetal, H. (Participant) & Holmer, M. (Participant)
24. Apr 2018Activity: Attending an event › Organisation or participation in workshops, courses or seminars
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Marine Eco-Systems Biology (MESB)
Hasler-Sheetal, H. (Organizer) & Holmer, M. (Participant)
11. Dec 2016 → 14. Dec 2016Activity: Attending an event › Organisation or participation in workshops, courses or seminars
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Novo Nordisk Fonden - DARA
Holmer, M. (Project participant)
01/08/2025 → 31/07/2030
Project: Private Foundations
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Start Package Associate Professor Melih Kandemir
Holmer, M. (Project participant)
01/01/2022 → 31/08/2025
Project: Research
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A greener climate - teaching in nature-based climate solutions
Vad, K. E. (Project manager), Holmer, M. (Project applicant), Pahbek, C. (Project applicant), Binau, C. F. (Project participant), Svabo, C. (Project participant), Richardson, K. (Project participant), Mernild, S. H. (Project participant) & Madsen, L. M. (Project participant)
01/01/2023 → 01/06/2025
Project: Research
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Aage V. Jensens Fond - Biologiske undersøgelser i og omkring den kommende lagune ved Gyldensteen - før og efter oversvømmelse
Holmer, M. (Head coordinator)
01/01/2013 → 31/12/2022
Project: Research
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Velux Fonden - Blå Skove - Havets skove som kulstofdræn
Holmer, M. (Head coordinator)
01/09/2019 → 28/02/2022
Project: Private Foundations
Datasets
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Data from: Variation of carbon contents in eelgrass (Zostera marina) sediments implied from depth profiles
Kindeberg, T. (Creator), Röhr, E. (Creator), Moksnes, P.-O. (Creator), Boström, C. (Creator) & Holmer, M. (Creator), Dryad Digital Repository, 5. Jun 2019
DOI: 10.5061/dryad.t8th416, https://zenodo.org/record/4997519
Dataset
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Data from: Eelgrass (Zostera marina) food web structure in different environmental settings
Thormar, J. (Creator), Hasler-Sheetal, H. (Creator), Baden, S. (Creator), Boström, C. (Creator), Clausen, K. K. (Creator), Krause-Jensen, D. (Creator), Olesen, B. (Creator), Rasmussen, J. R. (Creator), Svensson, C. J. (Creator) & Holmer, M. (Creator), Dryad Digital Repository, 16. Dec 2016
DOI: 10.5061/dryad.4jr00
Dataset
Press/Media
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Forsker forlader USA på grund af den politiske situation
10/11/2025
1 Media contribution
Press/Media: Press / Media
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Amerikansk forsker har forladt et USA, han ikke kan genkende, og fået job i Danmark
09/11/2025
1 Media contribution
Press/Media: Press / Media
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Amerikansk forsker har forladt et USA, han ikke kan genkende, og fået job i Danmark
09/11/2025
1 Media contribution
Press/Media: Press / Media
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Den første LEGO Chair er fundet til SDU Vejle
06/11/2025
1 Media contribution
Press/Media: Press / Media
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Den første LEGO Chair er fundet til SDU Vejle
05/11/2025
1 Media contribution
Press/Media: Press / Media