Helle Sørensen

Helle Sørensen

Professor

ORCID: 0000-0001-5273-6093

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  1. Published

    Ecotypic differentiation of two sympatric chemotypes of Barbarea vulgaris (Brassicaceae) with different biotic resistances

    Heimes, C., Agerbirk, Niels, Sørensen, Helle, van Mölken, T. & Hauser, T. P., 2016, In: Plant Ecology. 217, 9, p. 1055-1068 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Metabolic Reliance on Photosynthesis Depends on Both Irradiance and Prey Availability in the Mixotrophic Ciliate, Strombidium cf. basimorphum

    Hughes, E. A., Maselli, Maira, Sørensen, Helle & Hansen, Per Juel, 2021, In: Frontiers in Microbiology. 12, 12 p., 642600.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Organic cropping practice decreases pest abundance and positively influences predator-prey interactions

    Jacobsen, Stine Kramer, Moraes, G. J., Sørensen, Helle & Sigsgaard, L, 2019, In: Agriculture, Ecosystems and Environment. 272, p. 1-9

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Perennial flower strips in apple orchards promote natural enemies in their proximity

    Jacobsen, Stine Kramer, Sørensen, Helle & Sigsgaard, L, 2022, In: Crop Protection. 156, 9 p., 105962.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Lecture notes for applied statistics

    Tolver, Anders & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 174 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  6. Published

    Immature reticulocytes are sensitive and specific to low-dose erythropoietin treatment at sea level and altitude

    Jeppesen, Jan Sommer, Breenfeldt Andersen, A., Bonne, T. C., Thomassen, Martin, Sørensen, Helle, Nordsborg, Nikolai Baastrup, Olsen, N. V., Huertas, J. R. & Bejder, Jacob, 2021, In: Drug Testing and Analysis. 13, 7, p. 1331-1340 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Phosphorus accumulation and leaching risk of greenhouse vegetable soils in Southeast China

    Kalkhajeh, Y. K., Huang, B., Sørensen, Helle, Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 2021, In: Pedosphere. 31, 5, p. 683-693 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    DGT technique to assess P mobilization from greenhouse vegetable soils in China: A novel approach

    Kalkhajeh, Y. K., Sørensen, Helle, Huang, B., Guan, D., Luo, J., Hu, W., Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 15 Jul 2018, In: Science of the Total Environment. 630, p. 331-339

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Recovery of nutrients from the liquid fraction of digestate: Use of enriched zeolite and biochar as nitrogen fertilizers

    Kocatürk-Schumacher, N. P., Zwart, K., Bruun, Sander, Jensen, Lars Stoumann, Sørensen, Helle & Brussaard, L., 2019, In: Journal of Plant Nutrition and Soil Science. p. 187–195

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Defining the twig fungal communities of Fraxinus species and Fraxinus excelsior genotypes with differences in susceptibility to ash dieback

    Kosawang, Chatchai, Sørensen, Helle, Kjær, Erik Dahl, Dilokpimol, A., McKinney, L. V., Collinge, David B. & Nielsen, Lene Rostgaard, 2019, In: Fungal Ecology. 42, 8 p., 100859.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Succession of the fungal endophytic microbiome of wheat is dependent on tissue-specific interactions between host genotype and environment

    Latz, Meike, Kerrn, Mads Herbert, Sørensen, Helle, Collinge, David B., Jensen, Birgit, Brown, J. K. M., Madsen, A. M. & Jørgensen, Hans Jørgen Lyngs, 2021, In: Science of the Total Environment. 759, 11 p., 143804.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Coexistence facilitates interspecific biofilm formation in complex microbial communities

    Madsen, Jonas Stenløkke, Røder, Henriette Lyng, Russel, J., Sørensen, Helle, Burmølle, Mette & Sørensen, Søren Johannes, 2016, In: Environmental Microbiology. 18, 8, p. 2565–2574

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Hierarchical modelling of temperature and habitat size effects on population dynamics of North Atlantic cod

    Mantzouni, I., Sørensen, Helle, O'Hara, R. B. & MacKenzie, B. R., 2010, In: ICES Journal of Marine Science. 67, 5, p. 833-855 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Canopy photosynthesis and time-of-day application of supplemental light

    Markvart, J., Rosenqvist, Eva, Sørensen, Helle, Ottosen, C. & Aaslyng, J. P. M., 2009, In: HortScience. 44, 5, p. 1284-1290 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    A first guide to statistical computations in R

    Martinussen, Torben, Skovgaard, I. & Sørensen, Helle, 2012, Biofolia/Samfundslitteratur.

    Research output: Book/Report › Book › Education

  16. Published

    A note on R: linear models and models with random effects

    Martinussen, Torben, Skovgaard, I. M. & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 60 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  17. Published

    Effect of temperature on reproduction and embryonic development of the cabbage stem flea beetle, Psylliodes chrysocephala L., (Coleoptera: Chrysomelidae)

    Mathiasen, Helle, Sørensen, Helle, Bligaard, J. & Esbjerg, Peter, 2015, In: Journal of Applied Entomology. 139, 8, p. 600-608 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Multinomial functional regression with wavelets and LASSO penalization

    Mousavi, S. N. & Sørensen, Helle, 2017, In: Econometrics and Statistics. 150–166

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Functional logistic regression: a comparison of three methods

    Mousavi, S. N. & Sørensen, Helle, 2018, In: Journal of Statistical Computation and Simulation. 88, 2, p. 250-268

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Cellular shear stiffness reflects progression of arsenic-induced transformation during G1

    Muñoz, A., Eldridge, W. J., Jakobsen, N. M., Sørensen, Helle, Wax, A. & Costa, M., 2018, In: Carcinogenesis. 39, 2, p. 109–117 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Biological control of rice sheath blight using hyphae-associated bacteria: development of an in planta screening assay to predict biological control agent performance under field conditions

    Nicolaisen, Mette Haubjerg, Nguyen Duc Cuong, Herschend, J., Jensen, Birgit, Le Cam Loan, Pham Van Du, Sørensen, Jan, Sørensen, Helle & Olsson, S., 2018, In: BioControl. 63, 6, p. 843-853

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Impacts of empty fruit bunch applications on soil organic carbon in an industrial oil palm plantation

    Noirot, L. M., Müller-Stöver, Dorette Sophie, Wahyuningsih, R., Sørensen, Helle, Sudarno, Simamora, A., Pujianto, Suhardi & Caliman, J. P., 2022, In: Journal of Environmental Management. 317, 9 p., 115373.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Higher N2O emissions from organic compared to synthetic N fertilisers on sandy soils in a cool temperate climate

    Petersen, S. O., Peixoto, L. E. K., Sørensen, Helle, Tariq, Azeem, Brændholt, Andreas, Hansen, Line Vinther, Abalos, D., Christensen, A. T., Nielsen, C. S., Pullens, J. W. M., Bruun, Sander, Jensen, Lars Stoumann & Olesen, J. E., 2023, In: Agriculture, Ecosystems and Environment. 358, 12 p., 108718.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Local inference for functional linear mixed models

    Pini, A., Sørensen, Helle, Tolver, Anders & Vantini, S., 2023, In: Computational Statistics and Data Analysis. 181, 19 p., 107688.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    High spatial and fast changes of iron redox state and phosphorus solubility in a seasonally flooded temperate wetland soil

    Prem, M., Hansen, Hans Chr. Bruun, Wenzel, W., Heiberg, L., Sørensen, Helle & Borggaard, Ole K., 2015, In: Wetlands. 35, 2, p. 237-246 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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