Max Planck Gesellschaft

Overview

The Department Biogeochemical Processes explores the key processes and organisms that regulate exchanges of energy, water and elements between ecosystems and their surroundings. We use observations, experiments and models to improve understanding of how human activities are altering ecosystem function, and the consequences of those changes for sustainability and regional/global climate.

We explore several aspects of ecosystem function and how it is altered by climate and land use:

- Allocation of the products of photosynthesis among respiration, storage, growth, transfer to the rhizosphere and defense

- Factors determining the age and transit time of carbon in soils

- Links between microbial community function and the diversity of organic compounds and gases found in soils and groundwater

- Landscape scale processes such as windthrow, herbivory, and fire

- Understanding how environmental conditions are recored in the isotopic composition of biomarker molecules

News

January 2021:
Welcome to all the new Ph.D. students, who joined as over the last several months. They are Beatrix Heinze, Akanksha Rai, Linda Lemanski, Andres Tangarife and De Shorn Bramble. We hope you had a good start even under these circumstances and will have a good time here with us!

March 2020:
Congratulations to Holger Metzler, who successfully defended his thesis on the "Compartmental systems as Markov chains: age, transit time, and entropy". Fortuntaly, the defense could take place in person, albeit closed to the public.

January 2020:
Alice Orme is a new PhD student in the Molecular Biogeochemistry group of Gerd Gleixner. For her thesis, she will focus on "Decoding the molecular signals of dissolved organic matter". Welcome, Alice!

April 9, 2019:
Michelle Robin, Master student at the Instituto Nacional de Pesquisas da Amazônia (INPA), is currently visiting the institute. She studies VOCs within the ATTO project under the supervision of Eliane Gomes-Alves. Michelle will be here until May 19th and is staying in office B1.019. Welcome!

January 18, 2019:
Members from our department are convening or co-convening sessions at this years EGU 2019 general assembly. They are:

  • Gerd Gleixner: Functions and Functioning of the Critical Zone (BG2.19 / SSS13.4)
  • Gerd Gleixner (Co-Chair): Application of stable isotopes in Biogeosciences (BG1.1 / GMPV7.12 / HS11.54 / OS3.8 / SSS12.15)
  • Henrik Hartmann (Co-Chair): Carbon allocation in plants and ecosystems: mechanisms, responses and biogeochemical implications (BG2.49)
  • Jošt Lavrič: Intact Amazon forest – a natural laboratory of global significance (BG2.4 / AS3.35 / HS11.64 / SSS10.12)
  • Marion Schrumpf, Carlos Sierra (Co-Chair): Carbon sequestration and timescales of Carbon Cycling in Soils and whole Ecosystems: Observations, Data Synthesis and Modelling (SSS5.2)

Latest Publications

1Forzieri, G., Girardello, M., Ceccherini, G., Spinoni, J., Feyen, L., Hartmann, H., Beck, P. S. A., Camps-Valls, G., Chirici, G., Mauri, A., Cescatti, A. (2021). Emergent vulnerability to climate-driven disturbances in European forests. Nature Communications, 12: 1081. doi:10.1038/s41467-021-21399-7.
2Schrumpf, M., Kaiser, K., Mayer, A., Hempel, G., Trumbore, S. E. (2021). Age distribution, extractability, and stability of mineral-bound organic carbon in central European soils. Biogeosciences, 18(3), 1241-1257. doi:10.5194/bg-18-1241-2021.
3Hilman, B., Weiner, T., Haran, T., Angert, A. (2021). Variability of the apparent respiratory quotient of a forest soils and tree stems. Earth and Space Science Open Archive (ESSOAr). doi:10.1002/essoar.10506181.1.
4Sierra, C., Crow, S. E., Heimann, M., Metzler, H., Schulze, E. D. (2021). The climate benefit of carbon sequestration. Biogeosciences, 18(3), 1029-1048. doi:10.5194/bg-18-1029-2021.
5Bogdanovich, E., Perez-Priego, O., El-Madany, T. S., Guderle, M., Pacheco-Labrador, J., Levick, S. R., Moreno, G., Carrara, A., Martín, M. P., Migliavacca, M. (2021). Using terrestrial laser scanning for characterizing tree structural parameters and their changes under different management in a Mediterranean open woodland. Forest Ecology and Management, 486: 118945. doi:10.1016/j.foreco.2021.118945.

>> see all Department Publications

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