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Forskningsprojekt NG| Jordens mikrobiologiska svar på markanvändning & klimatförändringar i evolutionens ljus (SMILE)

Hur påverkar markanvändning och klimatförändringar markens fertilitet och mängden kol vi kan lagra i jorden? Svaret på denna kritiska fråga ligger i mikrobiell anpassning till den utmanande markmiljön – den centrala hypotesen för projektet.

Jordmikroorganismer driver kol- och näringskretslopp i terrestra ekosystem, släpper ut växthusgaser och producerar näringsämnen som är grundläggande för växter. Trots denna globalt viktiga roll misslyckas nuvarande matematiska modeller för att förutsäga mikrobiella svar på förändrade förhållanden – i synnerhet på markens torkning och återvätning, och på förändrad näringstillförsel – och detta begränsar vår förmåga att förutsäga effekterna av markanvändning och klimatförändringar på marken. I detta projekt utvecklar vi nya modeller baserade på idén att mikroorganismer är naturligt utvalda för att maximera sin kondition och reproduktionsframgång, och därför svarar de på dessa förändringar på ett evolutionärt optimalt sätt. Dessa optimalitetsbaserade modeller kommer att testas med hjälp av nya databaser och kommer att integreras i landytamodeller som sedan kan tillämpas globalt för bättre förutsägelse av markprocesser.

Projektmedlemmar

Projektansvariga

Stefano Manzoni

Universitetslektor, docent

Institutionen för naturgeografi

08-674 78 02

Stefano Manzoni

stefano.manzoni@natgeo.su.se

Medlemmar

Pierre Quévreux

Postdoktor

Institutionen för naturgeografi

profile_picture

pierre.quevreux@natgeo.su.se

Erik Schwarz

Doktorand

Institutionen för naturgeografi

erik.schwarz@natgeo.su.se

Xiankun Li

Doktorand

Institutionen för naturgeografi

xiankun.li@natgeo.su.se

Arjun Chakrawal

Postdoktor

Institutionen för naturgeografi

arjun.chakrawal@natgeo.su.se

Publikationer

Climate-dependent responses of root and shoot biomass to drought duration and intensity in grassland

Guasconi D., Manzoni S., G. Hugelius (2023). Climate-dependent responses of root and shoot biomass to drought duration and intensity in grasslands–a meta-analysis. Science of the Total Environment 903, 166209.

Vegetation, topography and soil depth drive microbial community structure in two Swedish grasslands.

Guasconi D., Juhanson J., Clemmensen K., Cousins S. A. O., Hugelius G., Manzoni S., Roth N., and P. Fransson (2023). Vegetation, topography and soil depth drive microbial community structure in two Swedish grasslands. FEMS Microbiology Ecology 99(8), fiad080.

Drying intensity and acidity slow down microbial growth recovery after rewetting dry soils

Li X., Leizeaga A., Rousk J., Hugelius G., and S. Manzoni (2023). Drying intensity and acidity slow down microbial growth recovery after rewetting dry soils. Soil Biology and Biochemistry 184, 109115.

When dry soil is re-wet trehalose is respired instead of supporting microbial growth (2023)

Warren C. and S. Manzoni. When dry soil is re-wet trehalose is respired instead of supporting microbial growth (2023). Soil Biology and Biochemistry 184, 109121.

Microbial carbon use efficiency promotes global soil carbon storage

Tao F., Huang Y., Hungate B., Manzoni S., […] and Y. Luo (2023). Microbial carbon use efficiency promotes global soil carbon storage. Nature 618, 981–985. https://doi.org/10.1038/s41586-023-06042-3. • Manzoni S., Chakrawal A., and G. Ledder (2023). Decomposition rate as an emergent property of optimal microbial foraging. Frontiers in Ecology and Evolution 11, 1094269.

Decomposition rate as an emergent property of optimal microbial foraging.

Manzoni S., Chakrawal A., and G. Ledder (2023). Decomposition rate as an emergent property of optimal microbial foraging. Frontiers in Ecology and Evolution 11, 1094269

Primary production in subsidized green-brown food webs.

Zelnik Y. R., Manzoni S., and R. Bommarco (2023). Primary production in subsidized green-brown food webs. Frontiers in Ecology and Evolution 11, 1106461. https://doi.org/10.3389/fevo.2023.1106461. • Ledder G. and S. Manzoni (2023). An optimal control problem for resource utilization by microorganisms. International Journal of Education in Mathematics, Science and Technology VOLUME.

An optimal control problem for resource utilization by microorganisms.

Ledder G. and S. Manzoni (2023). An optimal control problem for resource utilization by microorganisms. International Journal of Education in Mathematics, Science and Technology VOLUME.

Interacting bioenergetic and stoichiometric controls on microbial growth. Frontiers in Microbiology

Chakrawal A., Calabrese S., Herrmann A., and S. Manzoni (2022). Interacting bioenergetic and stoichiometric controls on microbial growth. Frontiers in Microbiology 13, 859063. https://doi.org/10.3389/fmicb.2022.859063. • Manzoni S., Fatichi S., Feng X., Katul G. G., Way D. and G. Vico (2022). Consistent responses of vegetation gas exchange to elevated atmospheric CO2 emerge from heuristic and optimization models. Biogeosciences, 19, 4387–4414.

Consistent responses of vegetation gas exchange to elevated atmospheric CO2

Manzoni S., Fatichi S., Feng X., Katul G. G., Way D. and G. Vico (2022). Consistent responses of vegetation gas exchange to elevated atmospheric CO2 emerge from heuristic and optimization models. Biogeosciences, 19, 4387–4414.

Spatial control of microbial pesticide degradation in soil: A model-based scenario analysis.

Schwarz E., Khurana S., Chakrawal A., Chavez Rodriguez L., Wirsching J., Streck T., Manzoni S., Thullner M., and H. Pagel (2022). Spatial control of microbial pesticide degradation in soil: A model-based scenario analysis. Environmental Science & Technology 56(20), 14427–14438.

Dryland productivity under a changing climate. Nature Climate Change

Wang L., Jiao W., MacBean N., Rulli M. C., Manzoni S., Vico G., and P. D’Odorico (2022). Dryland productivity under a changing climate. Nature Climate Change 12, 981–994.

The coordination of green-brown food webs and their disruption by anthropogenic nutrient inputs.

Zelnik Y. R., Manzoni S., and R. Bommarco (2022). The coordination of green-brown food webs and their disruption by anthropogenic nutrient inputs. Global Ecology and Biogeography 31(11), 2270-2280

Energetic scaling in microbial growth, Proceedings of the National Academy of Sciences of the USA

Calabrese S., Chakrawal A., Manzoni S., and P. Van Cappellen (2021). Energetic scaling in microbial growth, Proceedings of the National Academy of Sciences of the United States of America 118(47), e2107668118.

Intracellular storage reduces stoichiometric imbalances in soil microbial biomass – A theoretical ex

Manzoni S., Ding Y., Warren C., Banfield C.C., Dippold M., and K. Mason-Jones (2021). Intracellular storage reduces stoichiometric imbalances in soil microbial biomass – A theoretical exploration. Frontiers in Ecology and Evolution 9, 714134.

Microbial storage and its implications for soil ecology

Mason-Jones K., Robinson S., Veen G. F. C., Manzoni S., and W. H. van der Putten (2021). Microbial storage and its implications for soil ecology. ISME Journal.

Metatranscriptomic markers of fungal growth, respiration and carbon-use efficiency

Hasby F. A., Barbi F., Manzoni S., and B. D. Lindahl (2021). Metatranscriptomic markers of fungal growth, respiration and carbon-use efficiency. FEMS Microbiology Letters 368(15), fnab100.

The mechanisms underpinning microbial resilience to drying and rewetting – A model analysis. Soil Bi

Brangarí A. C., Manzoni S., and J. Rousk (2021). The mechanisms underpinning microbial resilience to drying and rewetting – A model analysis. Soil Biology and Biochemistry 108400