Projects per year
Personal profile
Research
Microbial ecology in soil, permafrost, ice and groundwater. Analysis of DNA and RNA nucleic acids directly from these environments.
1) microbial degradation of pesticides, PAH compounds and chlorinated compounds in various soils, glaciers and groundwater aquifers
2) the study of microbial communities in ice and permafrost samples from Greenland,
3) the natural protection of plants by rhisphere microorganism,
4) the study of side effects of pesticides, nitrification inhibitors and ash on soil health.
Commissioned
I advise the Danish EPA as a member of the Pesticide Research Programme.
I advise danish autorities and companies on various chemical compounds fate in the environment.
I advise international organisations on soil health and greenhouse gasses.
Teaching
I teach in Arctic Microbial Ecology in Nuuk Greenland every year in March, as a part of the Arctic Science Study Programme: https://arctic.au.dk/news-and-events/news/show/artikel/arctic-science-study-programme-spring-semester
Areas of expertise
- Microbial Ecology
- Environmental Sciences
- Molecular Biology
- Environmental Chemistry
- Microbiology
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Collaborations and top research areas from the last five years
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EMBARQ: Evaluating Microbiome Based Applications for Risk Quantification
Gözdereliler, E. (Participant), Jacobsen, C. S. (Participant), Ellegaard-Jensen, L. (Participant) & Sørensen, S. (PI)
01/08/2024 → 31/07/2030
Project: Research
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amoA – Impact evaluation framework for nitrification inhibitors
Gözdereliler, E. (Participant), Ellegaard-Jensen, L. (Project manager), Jacobsen, C. S. (Project coordinator) & Horstmann, L. (Participant)
01/04/2023 → 31/03/2026
Project: Research
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GENEPEASE-II: Pesticide Effects on Agricultural Soil Ecosystems
Ellegaard-Jensen, L. (PI), Jacobsen, C. S. (Participant), Zervas, T. (Participant), Hansen, M. (Participant), Carvalho, P. (Participant), Ekelund, F. (CoPI) & Kjøller, R. (CoPI)
01/08/2022 → 01/03/2026
Project: Research
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Biological aggregate formation towards a healthy soil
Jacobsen, C. S. (CoPI), Ellegaard-Jensen, L. (CoPI) & Zervas, T. (Participant)
01/01/2022 → 31/12/2025
Project: Research
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INTERACT: Decoding the Rhizobiota Interactome for Improved Crop Resilience (INTERACT)
Zervas, T. (Participant), Ellegaard-Jensen, L. (Participant), Jacobsen, C. S. (PI) & Scheel, M. (Participant)
01/12/2022 → 30/11/2023
Project: Research
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Beskrivelse af dokumentationsindsats vedr. klimaeffekter, op-datering af aktivitetsdata og afdækning af væsentlige sideeffekter for anvendelsen af syntetiske nitrifikationshæmmere
Petersen, S. O., Abalos, D., Peixoto, L., Elsgaard, L., Holm, L. B., Ellegaard-Jensen, L., Gözdereliler, E., Carvalho, P. N., Jacobsen, C. S., Winding, A., Sapkota, R., Nielsen, O.-K., Mikkelsen, M. H., Bruus, M., Scott-Fordsmand, J. J., Krogh, P. H., Rasmussen, J. J., Pacheco, J. P. & Jensen, J., 5 May 2025, 57 p.. No. 2025-0805463, May 01, 2025. (Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug).Research output: Memorandum/exposition › Memorandum
Open AccessFile145 Downloads (Pure) -
Beskrivelse af dokumentationsindsats vedr. klimaeffekter, opdatering af aktivitetsdata og afdækning af væsentlige sideeffekter for anvendelsen af syntetiske nitrifikationshæmmere.
Petersen, S. O., Abalos, D., Peixoto, L., Elsgaard, L., Holm, L. B., Ellegaard-Jensen, L., Gözdereliler, E., Carvalho, P. N., Jacobsen, C. S., Winding, A., Sapkota, R., Nielsen, O.-K., Mikkelsen, M. H., Bruus, M., Scott-Fordsmand, J. J., Krogh, P. H., Rasmussen, J. J., Pacheco, J. P. & Jensen, J., 1 May 2025, DCA - Nationalt Center for Fødevarer og Jordbrug. 57 p. (Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug).Research output: Book/anthology/report › Report › Research › peer-review
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Concurrent stimulation of diflufenican biodegradation and changes in the active microbiome in gravel revealed by Total RNA
Ellegaard-Jensen, L., Carvalho, P. N., Anwar, M. Z., Schostag, M. D., Bester, K. & Jacobsen, C. S., 7 Oct 2025, In: Microbiology Spectrum. 13, 10, p. 1-17 17 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access -
Small sample amounts from rhizosphere of barley maintain microbial community structure and diversity revealed by total RNA sequencing
Kindtler, N. L., Sheikh, S., Zervas, A., Ellegaard-Jensen, L., Feld, L., Scheel, M., Jiménez, F. C., da Fonseca, R. R., Laursen, K. H., Jacobsen, C. S. & Ekelund, F., Dec 2025, In: Plant Methods. 21, 1, 79.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access -
Total RNA analysis of the active microbiome on moving bed biofilm reactor carriers under incrementally increasing micropollutant concentrations
Martin, J. D., Tisler, S., Scheel, M., Svendsen, S., Anwar, M. Z., Zervas, A., Ekelund, F., Bester, K., Hansen, L. H., Jacobsen, C. S. & Ellegaard-Jensen, L., 1 Sept 2024, In: FEMS Microbiology Ecology. 100, 9, fiae098.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access2 Citations (Scopus)
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Sorption and degradation of diflufenican in the urban environment
Svendsen, S. B. (Lecturer), Carvalho, P. (Other), Bollmann, U. E. (Other), Ellegaard-Jensen, L. (Other), Albers, C. N. (Other), Strobel, B. W. (Other), Jacobsen, C. S. (Other) & Bester, K. (Other)
27 May 2019Activity: Presentations, memberships, employment, ownership and other activities › Lecture and oral contribution
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Indlandsisen smelter- grænser for mikrobiel vækst
Jacobsen, C. S. (Lecturer)
25 Sept 2018 → 28 Sept 2018Activity: Presentations, memberships, employment, ownership and other activities › Lecture and oral contribution
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Nordic Environmental Nucleotide Network
Anwar, M. Z. (Participant) & Jacobsen, C. S. (Participant)
15 Nov 2017Activity: Participating in or organising an event types › Participation in or organisation af a conference
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Diflufenican og godkendelsesordningen
Jacobsen, C. S. (Lecturer)
2016Activity: Presentations, memberships, employment, ownership and other activities › Lecture and oral contribution
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Use of high resolution melt analysis to describe changes in microbial communities
Jacobsen, C. S. (Lecturer)
2016Activity: Presentations, memberships, employment, ownership and other activities › Lecture and oral contribution