Flemming Ekelund

Flemming Ekelund

Associate Professor


  1. Published

    Green waste and sewage sludge feeding ratio alters co-composting performance: Emphasis on the role of bacterial community during humification

    Zhang, Z., Duan, C., Liu, Y., Li, A., Hu, X., Chen, J., Zhang, S., Li, X., Che, R., Li, S., Ekelund, Flemming & Cui, X., 2023, In: Bioresource Technology. 380, 10 p., 129014.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Biological 12C-13C fractionation increases with increasing community-complexity in soil microcosms

    Yang, W., Magid, Jakob, Christensen, Søren, Rønn, Regin, Ambus, Per Lennart & Ekelund, Flemming, 2014, In: Soil Biology & Biochemistry. 69, p. 197-201 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Turnover and isotopic fractionation of carbon from maize leaves as influenced by clay type and content in constructed soil media

    Yang, W., Bruun, Sander, Rønn, Regin, Ekelund, Flemming & Magid, Jakob, 2016, In: Biology and Fertility of Soils. 52, 4, p. 447-454 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    The relative importance of the bacterial pathway and soil inorganic nitrogen increase across an extreme wood-ash application gradient

    Vestergård, M., Bang-Andreasen, T., Buss, S. M., Cruz Paredes, C., Bentzon-Tilia, S., Ekelund, Flemming, Kjøller, Rasmus, Mortensen, Louise Hindborg & Rønn, Regin, 2018, In: GCB Bioenergy. 10, 5, p. 320-334 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Above-belowground interactions govern the course and impact of biological invasions

    Vestergård, M., Rønn, Regin & Ekelund, Flemming, 2015, In: A O B Plants. 7, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Starved bacteria retain their size but lose culturability - lessons from a 5000 years old undisturbed A-horizon

    Vestergård, M., Ekelund, Flemming, Winding, A., Jacobsen, C. S. & Christensen, Søren, 2011, In: Soil Biology & Biochemistry. 43, 6, p. 1379-1382 4 p.

    Research output: Contribution to journalLetterResearchpeer-review

  7. Published

    Activity of root-knot nematodes associated with composition of a nematode-attached microbiome and the surrounding soil microbiota

    Topalovic, Olivera, Bak, Frederik, Santos, S., Sikder, M. M., Sapkota, R., Ekelund, Flemming, Nicolaisen, Mette Haubjerg & Vestergård, M., 2023, In: FEMS Microbiology Ecology. 99, 9, 11 p., fiad091.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Distribution of protozoa in scots pine mycorrhizospheres

    Timonen, S., Christensen, Søren & Ekelund, Flemming, 2004, In: Soil Biology & Biochemistry. 36, p. 1987-1993

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Population dynamics of the fast-growing sub-populations of Pseudomonas and total bacteria, and their protozoan grazers, revealed by fenpropimorph treatment

    Thirup, L., Ekelund, Flemming, Johnsen, K. E. & Jacobsen, C. S., 2000, In: Soil Biology & Biochemistry. 32, 11-12, p. 1615-1623

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Ameliorative Effects of Trichoderma harzianum and Rhizosphere Soil Microbes on Cadmium Biosorption of Barley (Hordeum vulgare L.) in Cd-Polluted Soil

    Taghavi Ghasemkheili, F., Ekelund, Flemming, Johansen, Jesper Liengaard, Pirdashti, H., Ghadirnezhad Shiade, S. R., Fathi, A. & Kjøller, Rasmus, 2022, In: Journal of Soil Science and Plant Nutrition. 22, 1, p. 527-539 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Soil microbial toxicity of eight polycyclic aromatic compounds: effects on nitrification, the genetic diversity of bacteria, and the total number of protozoans.

    Sverdrup, L. E., Ekelund, Flemming, Krogh, P. H., Nielsen, T. & Johnsen, K., 2002, In: Environmental Toxicology and Chemistry. 21, 8, p. 1644-50 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Nematodes and protozoa affect plants differently, depending on soil nutrient status

    Strandmark, L. B., Liu, M., Rønn, Regin, Christensen, Søren & Ekelund, Flemming, 2012, In: European Journal of Soil Biology. 50, p. 28-31 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Effekten af tømidler på biodiversitet i jord

    Severin, M., Ingerslev, Morten & Ekelund, Flemming, 2021, Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. (Videnblade Park og Landskab; No. 05.23-13).

    Research output: Book/ReportReportCommunication

  14. Published

    Bacterial and protozoan dynamics upon thawing and freezing of an active layer permafrost soil

    Schostag, M., Priemé, Anders, Jacquiod, S., Russel, J., Ekelund, Flemming & Jacobsen, C. S., 2019, In: ISME Journal. 13, p. 1345-1359

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Long-term manipulation of the microbes and microfauna of two subarctic heaths by addition of fungicide, bactericide, carbon and fertilizer

    Schmidt, Inger Kappel, Ruess, L., Bååth, E., Michelsen, Anders, Ekelund, Flemming & Jonasson, S. E., 2000, In: Soil Biology & Biochemistry. 32, 5, p. 707-720 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Abrupt permafrost thaw triggers activity of copiotrophs and microbiome predators

    Scheel, M., Zervas, A., Rijkers, R., Tveit, A. T., Ekelund, Flemming, Campuzano Jiménez, F., Christensen, T. R. & Jacobsen, C. S., 2023, In: FEMS Microbiology Ecology. 99, 11, 12 p., fiad123.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Specialized microbiomes facilitate natural rhizosphere microbiome interactions counteracting high salinity stress in plants

    Santos, S. S., Rask, K. A., Vestergård, M., Johansen, Jesper Liengaard, Priemé, Anders, Frøslev, Tobias Guldberg, González, A. M. M., He, H. & Ekelund, Flemming, 2021, In: Environmental and Experimental Botany. 186, 12 p., 104430.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Species-specific effects of live roots and shoot litter on soil decomposer abundances do not forecast plant litter-nitrogen uptake

    Saj, S., Mikola, J. & Ekelund, Flemming, 2009, In: Oecologia. 161, 2, p. 331-41 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Root-induced decomposer growth and plant N uptake are not positively associated among a set of grassland plants

    Saj, S., Mikola, J. & Ekelund, Flemming, 2008, In: Agriculture, Ecosystems & Environment. Applied Soil Ecology. 37, 3, p. 215-222

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    De encellede dyr

    Rønn, Regin & Ekelund, Flemming, 1991, In: Praktisk Økologi. 5, p. 20-24 5 p.

    Research output: Contribution to journalJournal articleResearch

  21. Published

    Optimizing soil extract and broth media for MPN enumeration of naked amoebae and heterotrophic Flagellates in soil

    Rønn, Regin, Ekelund, Flemming & Christensen, Søren, 1995, In: Pedobiologia. 39, p. 10-19

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Local increase in protozoan numbers of decomposing barley roots in soil

    Rønn, Regin, Ekelund, Flemming, Christensen, Søren & Griffiths, B., 1992, In: European Journal of Protistology. 3, p. 355 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  23. Published

    Spatial distribution and successional pattern of microbial activity and microfaunal populations on decomposing barley roots

    Rønn, Regin, Griffiths, B. S., Ekelund, Flemming & Christensen, Søren, 1996, In: Journal of Applied Ecology. 32, p. 662-672

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Effects of elevated atmospheric CO2 on protozoan abundance in soil planted with wheat and on decomposition of wheat roots

    Rønn, Regin, Ekelund, Flemming & Christensen, Søren, 2003, In: Plant and Soil. 251, p. 13-21

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Protozoan response to addition of the bacteria Mycobacterium chlorophenolicum and Pseudomonas clororaphis to soil microcosms

    Rønn, Regin, Grunert, J. & Ekelund, Flemming, 2001, In: Biol. Fert. Soils. 33 (2), p. 126-131

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Interactions between Chromobacterium violaceum and soil protozoa

    Rønn, Regin, Griffiths, B., Ekelund, Flemming & Christensen, Søren, 1994, In: Journal of Eukaryotic Microbiology. p. 8A

    Research output: Contribution to journalConference abstract in journalResearch

  27. Published

    Interactions between bacteria, protozoa and nematodes in soil

    Rønn, Regin, Madsen, M. V. & Ekelund, Flemming, 2012, In: Acta Protozoologica. 51, p. 223-235 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Group-specific PCR primers to amplify 24S α-subunit rRNA genes from Kinetoplastida (Protozoa) used in denaturing gradient gel electrophoresis

    Rasmussen, L. D., Ekelund, Flemming, Hansen, Lars Hestbjerg, Sørensen, Søren Johannes & Johnsen, K., 2001, In: Microbial Ecology. 42, 2, p. 109-115

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Differences in arbuscular mycorrhizal colonisation influence cadmium uptake in plants

    Rask, K. A., Johansen, Jesper Liengaard, Kjøller, Rasmus & Ekelund, Flemming, 2019, In: Environmental and Experimental Botany. 162, p. 223-229 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Wood ash application increases pH but does not harm the soil mesofauna

    Qin, J., Hovmand, Mads Frederik, Ekelund, Flemming, Rønn, Regin, Christensen, Søren, Groot, G. A. D., Mortensen, Louise Hindborg, Skov, Simon & Krogh, P. H., 2017, In: Environmental Pollution. 224, p. 581-589 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Five pesticides decreased oxidation of atmospheric methane in a forest soil

    Priemé, Anders & Ekelund, Flemming, 2001, In: Soil Biology & Biochemistry. 33, 6, p. 831-835 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Protozoan growth rates on secondary-metabolite-producing Pseudomonas spp. correlate with high-level protozoan taxonomy

    Pedersen, A. L., Winding, A., Altenburger, A. & Ekelund, Flemming, 2011, In: FEMS Microbiology Letters. 316, 1, p. 16-22 7 p.

    Research output: Contribution to journalLetterResearchpeer-review

  33. Published

    Interaction of bacteria-feeding soil flagellates and Pseudomonas spp.

    Pedersen, A. L., Ekelund, Flemming, Johansen, A. & Winding, A., 2010, In: Biology and Fertility of Soils. 46, 2, p. 151-158

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Bacterial Feeders, the Nematode Caenorhabditis elegans and the Flagellate Cercomonas longicauda, have different Effects on Outcome of Competition among the Pseudomonas Biocontrol Strains CHA0 and DSS73.

    Pedersen, A., Nybroe, O., Winding, A., Ekelund, Flemming & Strandmark, L. B., 2009, In: Microbial Ecology. 57, 3, p. 501-509 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Soil microorganisms decrease barley biomass uniformly across contrasting nitrogen availability

    Munkager, V., Altenburger, A., Priemé, Anders, Bang-Andreasen, T., Rønn, Regin, Vestergård, M. & Ekelund, Flemming, 2021, In: European Journal of Soil Biology. 104, 9 p., 103311.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    AgNO3 sterilizes grains of barley (Hordeum vulgare) without inhibiting germination - a necessary tool for plant–microbiome research

    Munkager, V., Vestergård, M., Priemé, Anders, Altenburger, A., de Visser, E., Johansen, Jesper Liengaard & Ekelund, Flemming, 2020, In: Plants. 9, 3, 16 p., 372.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Frivillige & Husdyr hjælper naturen

    Madsen, S. F., Strange, Niels, Schou, Jesper Sølver & Ekelund, Flemming, 2020, In: Aktuel Naturvidenskab. 2020, 3, p. 32-35 4 p.

    Research output: Contribution to journalJournal articleCommunication

  38. Published

    Motivations of Volunteers in Danish Grazing Organizations

    Madsen, S. F., Ekelund, Flemming, Strange, Niels & Schou, Jesper Sølver, 2021, In: Sustainability. 13, 15, 14 p., 8163.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Buried alive – germination of up to a century-old marine protist resting stages

    Lundholm, Nina, dos Santos Ribeiro, Sofia Isabel, Andersen, Thorbjørn Joest, Koch, T. A., Godhe, A., Ekelund, Flemming & Ellegaard, Marianne, 2011, In: Phycologia. 50, 6, p. 629-640 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

     Distribution and composition of microbial populations in landfill leachate contaminated aquifer (Grindsted, Denmark)

    Ludvigsen, L., Albrechtsen, H., Ringelberg, D., Ekelund, Flemming & Christensen, T., 1999, In: Microbial Ecology. 37, 3, p. 197-207

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    DNA metabarcoding reveals the impact of Cu2+ on soil cercozoan diversity

    Lourenço, L., Ellegaard Bager, S., Ng, D. Y. K., Sheikh, Sanea, Kindtler, Nikolaj Lunding, Nielsen, Ida Broman, Frøslev, Tobias Guldberg & Ekelund, Flemming, 2024, In: Protist. 175, 2, 9 p., 126016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Disturbance promotes non-indigenous bacterial invasion in soil microcosms: analysis of the roles of resource availability and community structure

    Liu, M., Strandmark, L. B., Rønn, Regin, Christensen, Søren & Ekelund, Flemming, 2012, In: P L o S One. 7, 10, p. 1-6 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Can bryophyte groups increase functional resolution in tundra ecosystems?

    Lett, S., Jónsdóttir, I. S., Becker-Scarpitta, A., Christiansen, C. T., During, H., Ekelund, F., Henry, G. H. R., Lang, S. I., Michelsen, A., Rousk, K., Alatalo, J. M., Betway, K. R., Rui, S. B., Callaghan, T., Carbognani, M., Cooper, E. J., Cornelissen, J. H. C., Dorrepaal, E., Egelkraut, D., Elumeeva, T. G. & 20 others, Haugum, S. V., Hollister, R. D., Jägerbrand, A. K., Keuper, F., Klanderud, K., Lévesque, E., Liu, X., May, J., Michel, P., Mörsdorf, M., Petraglia, A., Rixen, C., Robroek, B. J. M., Rzepczynska, A. M., Soudzilovskaia, N. A., Tolvanen, A., Vandvik, V., Volkov, I., Volkova, I. & Zuijlen, K. V., 2022, In: Arctic Science. 8, 3, 29 p.

    Research output: Contribution to journalReviewResearchpeer-review

  44. Published

    Ribosomal RNA genes challenge the monophyly of the Hyalospheniidae (Amoebozoa: Arcellinida).

    Lara, E., Heger, T. J., Ekelund, Flemming, Lamentowicz, M. & Mitchell, E. A. D., 2008, In: Protist. 159, 2, p. 165-176 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    SSU rRNA reveals a sequential increase in shell complexity among the euglyphid testate amoebae (Rhizaria: Euglyphida).

    Lara, E., Heger, T. J., Mitchell, E. A. D., Meisterfeld, R. & Ekelund, Flemming, 2007, In: Protist. 158, 2, p. 229-37 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Molecular comparison of cultivable protozoa from a pristine and a polycyclic aromatic hydrocarbon polluted site

    Lara, E., Berney, C., Ekelund, Flemming, Harms, H. & Chatzinotas, A., 2007, In: Soil Biology & Biochemistry. 39, 1, p. 139–148

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Infestation of natural populations of earthworm cocoons by rhabditid and cephalobid nematodes

    Kraglund, H. & Ekelund, Flemming, 2002, In: Pedobiologia. 46, 2, p. 125-135

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Strains of the heterotrophic flagellate Bodo designis from different environments vary considerably with respect to salinity preference and SSU rRNA gene composition.

    Koch, T. A. & Ekelund, Flemming, 2005, In: Protist. 156, 1, p. 97-112 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Effects of Sludge-amendment on Mineralization of Pyrene and Microorganisms in Sludge and Soil

    Klinge, C., Gejlsbjerg, B., Ekelund, Flemming & Madsen, T., 2001, In: Chemosphere. 45, 4-5, p. 625-634

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Wood ash effects on growth and cadmium uptake in Deschampsia flexuosa (Wavy hair-grass)

    Kindtler, Nikolaj Lunding, Ekelund, Flemming, Rønn, Regin, Kjøller, Rasmus, Hovmand, Mads Frederik, Vestergård, M., Christensen, Søren & Johansen, Jesper Liengaard, 2019, In: Environmental Pollution. p. 886-893 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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