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Personal profile

Curriculum

Curriculum Vitae
Born 1964. Odense, Denmark

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: 1994 Part of frame from Danish National Science Foundation (Prof. Ole Andersen). 1996 183.000 kr. research equipment from Danish National Science Foundation. 1996 Part of 3 year frame from Danish National Science Foundation (Prof. Donald Canfield). 1999 3 year frame from Danish National Science Foundation. 1999 research equipment from Danish National Science Foundation and Carlsberg Foundation. 2000 travel grant from Danish National Science Foundation. 2000 research equipment from Danish National Science Foundation. 2001 research project 5th Framework programme EC. 2002 3 year frame from Danish National Science Foundation. 2003 research equipment from Danish National Science Foundation, fellowship from ASEM-DUO, Intensive Programme from EU-Socrates, 2005 Research project INCO-EU Pumpsea. 2005 Research project FP6 IP Thresholds of Environmental systainability. 2005 Research project FP6 SSA Synthesis of Aquaculture and Marine Ecosystem interactions SAMI. 2006 EU project Aquagris. 2007 Research project Danish National Science Foundation. 2009: Nordic Seagrass Network. 2010: Tracer techniques in biological sciences. FNU. 2012: Biologiske undersøgelser i og omkring den kommende marine lagune ved Gyldensteen Slot – før og efter oversvømmelse. Aage V. Jensens Naturfond. 2012: Key processes for re-establishment of lacustrine benthic ecosystems in lakes and coastal zones when light conditions improve. National Research Foundation.2013: Innovative eelgrass restoration techniques (NOVAGRASS) Strategic Research. Ministry of Research and Innovation. 2013: Det Maritime Hus, rekrutteringsprojekt. Syddanske Region. 2014: Ph.D. stipend Blue Carbon. Maj and Tor Nessling Foundation. Finland. 2014: Environmental responses to organic and inorganic effluents from fin-fish Aquaculture (ERA) project. PI Raymond Bannister. Norway Research Foundation. 2015: Nordea Fonden. Stimulering af unges interesse for havet. 2017: Havets skove. Villum Fonden. 2017: 1000 Talents Zhejiang Province, China. 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 areas

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 have in recent years worked intensively with seagrasses and their response to environmental gradients (light, nutrients and temperature) and the importance of sulfide invasion into the plants. I am interested in investigating reasons for reductions in seagrass abundance on a global level, where toxic effects of sulfide appears to be a significant factor. Furthermore, I work with the importance of climate change and the increasing pressure from invasive species on seagrasses. 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. I also study seagrasses in Australia, both under pristine and nutrient-loaded conditions. Another important area of research is the environmental impacts of mariculture. Production of fish in aquaculture is growing rapidly and there are environmental impacts associated with the production. I am particularly interested in the fate of waste products, both dissolved in the water column and sedimentation under the net cages. I am, together with Tim Dempster, Editor-in-Chief of the journal Aquaculture Environment Interactions.

Research information

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 have in recent years worked intensively with seagrasses and their response to environmental gradients (light, nutrients and temperature) and the importance of sulfide invasion into the plants. I am interested in investigating reasons for reductions in seagrass abundance on a global level, where toxic effects of sulfide appears to be a significant factor. Furthermore, I work with the importance of climate change and the increasing pressure from invasive species on seagrasses. 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. I also study seagrasses in Australia, both under pristine and nutrient-loaded conditions. Another important area of research is the environmental impacts of mariculture. Production of fish in aquaculture is growing rapidly and there are environmental impacts associated with the production. I am particularly interested in the fate of waste products, both dissolved in the water column and sedimentation under the net cages. 

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Research Output

Bioturbation may not always enhance the metabolic capacity of organic polluted sediments

Casado-Coy, N., Sánchez-Jerez, P., Holmer, M. & Sanz-Lazaro, C., Mar 2020, In : Marine Environmental Research. 155, 104882.

Research output: Contribution to journalJournal articleResearchpeer-review

  • Current trends in seagrass research in China (2010-2019)

    Xi, X., Huang, Y. & Holmer, M., Sep 2020, In : Aquatic Botany. 166, 10 p., 103266.

    Research output: Contribution to journalReviewResearchpeer-review

  • First Field-Based Evidence That the Seagrass-Lucinid Mutualism Can Mitigate Sulfide Stress in Seagrasses

    van der Geest, M., van der Heide, T., Holmer, M. & de Wit, R., 14. Feb 2020, In : Frontiers in Marine Science. 7, 11.

    Research output: Contribution to journalJournal articleResearchpeer-review

    Open Access
    File
  • 14 Downloads (Pure)

    Metabolomics and traditional indicators unveil stress of a seagrass (Cymodocea nodosa) meadow at intermediate distance from a fish farm

    de Kock, W., Hasler-Sheetal, H., Holmer, M., Tsapakis, M. & Apostolaki, E. T., Feb 2020, In : Ecological Indicators. 109, 105765.

    Research output: Contribution to journalJournal articleResearchpeer-review

  • Root microbiomes as indicators of seagrass health

    Martin, B. C., Sanchez Alarcon, M., Gleeson, D., Middleton, J. A., Fraser, M., Ryan, M. H., Holmer, M., Kendrick, G. A. & Kilminster, K., Feb 2020, In : F E M S Microbiology Ecology. 96, 2, 37 p., fiz201.

    Research output: Contribution to journalJournal articleResearchpeer-review

  • Activities

    ADIPOSIGN Opening Sympoisum

    Susanne Mandrup (Organizer), Marianne Holmer (Panel member), Jakob Møller-Jensen (Panel member), Jan-Wilhelm Kornfeld (Panel member), Zachary Gerhart-Hines (Panel member), M. Madan Babu (Panel member), Matthias Blüher (Panel member), Ruth J F Loos (Panel member), Martin Klingenspor (Panel member), Christian Wolfrum (Panel member)
    27. May 2019

    Activity: Attending an eventOrganisation or participation in workshops, courses or seminars

    Submerged aquatic vegetation in relation to changing nutrient and climate regimes

    Marianne Holmer (Guest lecturer)
    19. Jun 2018

    Activity: Talks and presentationsConference presentations

    4th International Symposium on Research and Management of Eutrophication in Coastal Ecosystems

    Marianne Holmer (Organizer)
    18. Jun 201820. Jun 2018

    Activity: Attending an eventConference organisation or participation

    BlueCarbon ITN coordinator meeting

    Harald Hasler-Sheetal (Participant), Marianne Holmer (Participant)
    24. Apr 2018

    Activity: Attending an eventOrganisation or participation in workshops, courses or seminars

    Marine Eco-Systems Biology (MESB)

    Harald Hasler-Sheetal (Organizer), Marianne Holmer (Participant)
    11. Dec 201614. Dec 2016

    Activity: Attending an eventOrganisation or participation in workshops, courses or seminars

    Projects

    REELGRASS: Key parameters and processes affecting the re-establishment of eelgrass in estuaries and coastal waters

    Flindt, M., Sand-Jensen, K., Nielsen, S. L., Kristensen, E., Borum, J., Olesen, B., Rasmussen, E. K., Pedersen, M. F., Banta, G., Bøgh Pedersen, C., Krause-Jensen, D., Christensen, P. B., Holmer, M., Thamdrup, B., Bundgaard Madsen, H., Holmboe, N., Jensen, M. H. & Lumborg, U.

    02/01/200831/12/2011

    Project: Research

    Region Syddanmark - Det Maritime Hus

    Holmer, M.

    01/08/201330/06/2017

    Project: Research

    Villum Fonden - Havets Skove

    Holmer, M.

    01/09/201731/08/2018

    Project: Research

    Press / Media

    Pensionist erhverver sig doktorgraden

    Marianne Holmer

    26/11/2019

    1 Media contribution

    Press/Media: Press / Media

    Pensionist erhverver sig doktorgraden

    Marianne Holmer

    25/11/2019

    1 Media contribution

    Press/Media: Press / Media

    Dekan er ny direktør for Danish Institute for Advanced Study

    Marianne Holmer

    21/11/2019

    1 Media contribution

    Press/Media: Press / Media

    40 års tjeneste på apoteket udløser medalje fra dronningen

    Marianne Holmer

    21/11/2019

    1 Media contribution

    Press/Media: Press / Media

    Inspiring Denmark udpeger nye ambassadører

    Marianne Holmer

    16/11/2019

    1 Media contribution

    Press/Media: Press / Media