Pedersen group - Wetland plant resilience
We develop climate-resilient rice varieties that can withstand flooding, salinity, and drought conditions. By identifying and enhancing key traits, we aim to improve rice tolerance to these abiotic stresses. We also explore ways to reduce methane emissions from paddy fields by modifying root traits that influence anaerobic soil processes and the physiological and anatomical root traits that control the methane emission from the rice canopy (check-out our Competencies and Facilities). Moreover, we study the global distribution patterns of wetland plants, and try to determine how specific functional traits contribute to the plants' ecological adaptability and survival. Thus, by using rice as a model wetland plant, we employ integrative methods to address both food security and environmental sustainability challenges.
Climate-smart African rice
With key partners in Tanzania, this project seeks to develop flood- and salinity tolerant rice based on novel tolerances identified in more than 600 genotypes of African rice. Funded by Danish International Development Assistance (2020-2026). Read more!
Plant-mediated diffusion of greenhouse gases
Juan Jiménez is investigating the importance of root traits in paddy rice for greenhouse gas emissions. This research is a collaboration with the International Rice Research Institute and is funded by the Novo Nordisk Foundation (2025–2028). Read more!
Climate-resilient and eco-friendly rice for Africa
Here we have expanded the focus to also include drought tolerance and direct-seeding to reduce methane emission from African rice production. Funded by Danish International Development Assistance (2025-2030). Read more!
Root responses to soil water gradients in two species of Triodia
Feathertop spinifex (Triodia schinzii) and soft spinifex (Triodia pungens) are two common monocot species within the flora of Western Australia. This study aims to investigate why feathertop spinifex tends to occupy more arid environments compared to soft spinifex by assessing root responses to gradients in soil water content.
Most of our research is conducted in collaboration with other institutions, and this diagram provides a graphical representation of the collaboration based on publications. Below is a list of some of the most important, along with the topics of collaboration.
International Rice Research Institute (IRRI) in Los Baños, the Philippines (Dr Amelia Henry) and Nairobi, Kenya (Dr Abdel Ismail). Research on abiotic stress tolerance in rice and breeding for climate resilience. IRRI is a key partner in the project "Climate-resilient and eco-friendly rice for Africa", and we are also collaborating with IRRI on their REMET project focusing on GHG emissions from rice.
Nagoya University, Japan (Professors Motoyuki Ashikari and Mikio Nakazono). Research on root responses to soil flooding and drought.
Sokoine University of Agriculture (SUA), Tanzania (Professor Susan Nchimbi-Msolla). Research on phenotyping for submergence, salinity and drought in African rice genotypes. SUA is a key partner in the project "Climate-resilient and eco-friendly rice for Africa".
The University Western Australia, Australia (Professors Erik Veneklaas and Sergey Shabala) where I am also an adjunct professor. Root responses to drought of Triodia species, a common genus of dryland grasses in Western Australia.
Udine University, Italy (Associate Professor Valentino Casolo). Rice tissue analyses of water soluble carbohydrates and starch.
Florida Atlantic University, the U.S. (Prof Marguerite Koch) where I am also an adjunct professor. Seagrass responses to climate change including responses to hypoxia and hypersalinity.
Our group maintains a blog where we share brief updates on our current work, including our latest discoveries. Be sure to check this section regularly - it is updated monthly or even more frequently!
- We are expanding our library of video guides for laboratory equipment
- Exploring collaborative opportunities with SLU in Sweden
- New seeds from our African partners for salinity experiments
- Congratulations to Dina Djurhuus on successfully defending her MSc thesis!
- We did it! We will make rice production more climate-resilient while lowering greenhouse gas emissions
- Tobias Guhr (visiting from University of Bonn, Germany) is conducting a great project in the glasshouse
- Zhiwei Song has now graduated - congratulations Dr. Song!
- A novel experimental approach to measure oxygen consumption or production of plant tissues
This list of alumni may not be exhaustive, but it offers a great overview of the work our students have done over the past five years.
Alessandro Prichierri - Oxygen consumption by grape wine cuttings (visiting PhD); 2024
Anders Skipper - Flood tolerance of ancient wheat cultivars (MSc); 2018
Anita Bruun Nielsen - Indflydelsen af rastende gæs på klitsøernes vegetation (BSc); 2013
Anna Pii Hjørne - Phytotoxic effects of organic acids (7.5 ECTS project); 2019
Asbjørn Hansen - Drought tolerance of African rice (BSc); 2021
Asbjørn Hansen - Root traits conferring drought tolerance of African rice (MSc); 2023
August K Dinsen - Probiotics and salinity tolerance in rice (BSc); 2019
Carlo Bravo - The role of humic acids in root plaque formation (visiting PhD); 2021 (see this blog-post)
Christopher Steiness - Aerobic and anerobic catabolism in roots of chickpea (BSc); 2021
Christopher Steiness - The importance of leaf gas films for flood tolerance or rice (MSc); 2024 (see this blog-post)
Dina Djurhuus - Relationship between anaerobic germination and submergence tolerance in African rice (MSc); 2025 (see this blog-post)
Don Bosco Tuan Anh Tran - Mechanisms of salt tolerance in rice (BSc); 2022
Elisa Pellegrini - Roots in armour - a barrier induced to protect against intrusion of soil phytotoxins? (Marie-Curie); 2019-2021
Emil JW Anthony - Root barriers to radial oxygen loss and salt intrusion (BSc); 2020
Fion Murphy - Submerged macrophyte patterns of Lake Constance 1967-2016 (MSc); 2017
Guillermo Toro - Root responses to water deficits in landraces of Lagenaria siceraria (Postdoc); 2022 (see this blog-post)
Hans Benjamin Umbhau Jensen - Leaf gas films and submergence tolerance of rice (BSc); 2022
Ida Rose Pedersen - Tæppegræs: Catabrosa aquatica (BSc); 2016
Jesper Rauff Schultz - Brownification of lobelia lakes in National Park Thy (MSc); 2018
Joel Gilboa Jacobsen - Can Oryza rufipogon resist salinification more effectively than IRRI-154? (BSc); 2022
Johan Emil Kjær - Toxicity of organic acids and Fe in crops (BSc) (see this blog-post); 2018
Johan Emil Kjær - Root barriers to radial oxygen in loss in wild rice (MSc); 2020
Jonatan Lund Hansen - Flood tolerance of spelt versus modern wheat (BSc); 2018
Juan Jimenez Serena - Root barriers to radial oxygen loss in Urochlora (PhD); 2020
Line Dam Jessen - Gas film retention of wild rice during submergence (BSc); 2021
Louise Vikjær Bote - Ecophysiology of vegetation in lobelia lakes (BSc); 2019
Lucas León Peralta Ogorek - Roots in armour (PhD); (see this blog-post) 2022
Maja S Pedersen - Probiotics and salinity tolerance in rice (BSc); 2019
Marco BK Kowinicki - Probiotics and salinity tolerance in rice (BSc); 2019
Mathilde M Bartholin - Gas film retention of wild rice during submergence (PUK); 2021
Max Stecher - Habitat analysis of wild species of rice – a GIS approach (MSc) (see this blog-post); 2021
Mikkel Madsen-Østerbye - Brownification of lobelia lakes (PhD); 2023
My Hemmeth Børjesen - Toxicity of organic acids and Fe in crops (BSc) (see this blog-post); 2018
Nana H Mathiesen - Phytotoxic effects of organic acids (7.5 ECTS project); 2019
Oliver Mørk - Tolerance of wheat to partial submergence (MSc) (see this blog-post); 2018
Rasmus Klausen - Sollysets indvirkning på den bakterielle nedbrydning af humusstoffer i Tvorup Hul (BSc); 2016
Rikke Perslev - The influence on rice root traits on methane emissions (Bsc); 2024
Sara Natale - Stem photosynthesis (visiting PhD); 2022
Sara Gargiulo - Greenhouse gas eimission from rice (visiting PhD); 2023, 2024
Shuai Tong - The resilence journey of rice (PhD); 2020-2023
Signe Smidt - The influence on rice root traits on methane emissions (Bsc); 2024
Simone Møller Mortensen - Indflydelsen af rastende gæs på klitsøernes vegetation (BSc); 2013
Sune Ringsing Nielsen - Flood tolerance of chickpea (BSc); 2018
Sune Ringsing Nielsen - Past and present vegetation in softwater lakes (MSc); 2020
Søren Enghoff-Poulsen - Submergence tolerance of wheat (MSc); 2014
Tobias S Hjort - Probiotics and salinity tolerance in rice (BSc); 2019
Trine LK Hansen - Root barriers to radial oxygen loss and water use (BSc); 2020
Victor Carp Kofoed - Flood tolerance of a wild rice relative (BSc); 2019
Viggo K Bastegaard - Effects of root dimension on water retention in roots (Bsc); 2021
Zhiwei Song - Phenotypic plasticity of rice roots (PhD) (see this blog-post); 2024
Tropica Aquarium Plants – Tropica is one of the world's largest producers of aquatic ornamental plants. I am often involved in various R&D projects with Tropica, and these collaborations are always led by Dr. Troels Andersen. Tropica is an indispensable partner, often providing unique experimental plant material for both research and teaching.
Unisense - Unisense provides high-performance microsensors and complete measuring systems for a wide range of applications in environmental and biomedical research. In the past, I was one of the seven founders of this company, but I have never been involved in its day-to-day operations. However, I currenlty serve on the board of directors and have taught regularly on microsensor workshops.
Our group members are involved in supervision of BSc, MSc, PhD and postdocs - project topics for new students are available here. Moreover, we teach compulsory first year biology courses as well as an elective course at the MSc level in biology.
General Ecology (compulsory course at first year Biology)
Diversity of Organisms (compulsory course at first year Biology)
Field Biology III (stream and lake ecology) (compulsory course at first year Biology)
Freshwater Ecology (elective at MSc level)
Researchers
Name | Title | Phone | |
---|---|---|---|
Dan Liu | Visiting PhD Student | ||
Juan De La Cruz Jimenez Serna | Postdoc | +4535324487 | |
Ole Pedersen | Professor | ||
Zhiwei Song | Postdoc | +4531815093 |
Contact
Professor Ole Pedersen
Freshwater Biology
Universitetsparken 4, 3rd floor
DK-2100 Copenhagen
opedersen@bio.ku.dk
Mobile: +45 23747641
ORCID: 0000-0002-0827-946X
Competencies and Facilities
Our group excels in state-of-the-art research infrastructure and analytical expertise. Check them out here!
Publications
Publications by Ole Pedersen are accessible from here!
Featured paper
Anatomical and physiology responses of roots and rhizomes in Oryza longistaminata to soil water gradients - click here to access it
Student projects
Are you curious to see what you can do during your BSc or MSc thesis project? Check it out on this link!
External members:
Name | Title | Institution | |
---|---|---|---|
Albert Guldborg Andersen | MSc thesis student | University of Copenhagen | |
Chen Lin | Assistant Professor | Yangzhou University | |
Elisa Pellegrini | Assistant Professor | Udine University | |
Shuai Tong | Postdoc | Udine University | |
Tobias Guhr | Visiting MSc student | Universität Bonn |