Publications of Jan Muhr

Helm, J.; Muhr, J.; Hilman, B.; Kahmen, A.; Schulze, E. D.; Trumbore, S. E.; Herrera-Ramirez, D.; Hartmann, H.: Carbon dynamics in long-term starving poplar trees—the importance of older carbohydrates and a shift to lipids during survival. Tree Physiology, tpad135 (2023)

Herrera-Ramirez, D.; Hartmann, H.; Römermann, C.; Trumbore, S. E.; Muhr, J.; Maracahipes-Santos, L.; Brando, P.; Silvério, D.; Huang, J.; Kuhlmann, I. et al.; Sierra, C. A.: Anatomical distribution of starch in the stemwood influences carbon dynamics and suggests storage-growth trade-offs in some tropical trees. Journal of Ecology 111 (11), pp. 2532 - 2548 (2023)

Helm, J.; Salomón, R. L.; Hilman, B.; Muhr, J.; Knohl, A.; Steppe, K.; Gibon, Y.; Cassan, C.; Hartmann, H.: Differences between tree stem CO₂ efflux and O₂ influx rates cannot be explained by internal CO₂ transport or storage in large beech trees. Plant, Cell and Environment 46 (9), pp. 2680 - 2693 (2023)

Helm, J.; Hartmann, H.; Göbel, M.; Hilman, B.; Herrera, D. A.; Muhr, J.: Low-cost chamber design for simultaneous CO₂ and O₂ flux measurements between tree stems and the atmosphere. Tree Physiology 41 (9), pp. 1767 - 1780 (2021)

Hilman, B.; Muhr, J.; Helm, J.; Kuhlmann, I.; Schulze, E. D.; Trumbore, S. E.: The size and the age of the metabolically active carbon in tree roots. Plant, Cell and Environment 44 (8), pp. 2522 - 2535 (2021)

Herrera-Ramirez, D.; Sierra, C.; Römermann, C.; Muhr, J.; Trumbore, S. E.; Silvério, D.; Brando, P. M.; Hartmann, H.: Starch and lipid storage strategies in tropical trees relate to growth and mortality. New Phytologist 230 (1), pp. 139 - 154 (2021)

D’Andrea, E.; Rezaie, N.; Prislan, P.; Gričar, J.; Muhr, J.; Collalti, A.; Matteucci, G.: Frost and drought: Effects of extreme weather events on stem carbon dynamics in a Mediterranean beech forest. Plant, Cell and Environment 43 (10), pp. 2365 - 2379 (2020)

Herrera-Ramirez, D.; Muhr, J.; Hartmann, H.; Roemermann, C.; Trumbore, S. E.; Sierra, C.: Probability distributions of nonstructural carbon ages and transit times provide insights into carbon allocation dynamics of mature trees. New Phytologist 26 (5), pp. 1299 - 1311 (2020)

Schwab, V. F.; Nowak, M.; Elder, C. D.; Trumbore, S. E.; Xu, X.; Gleixner, G.; Lehmann, R.; Pohnert, G.; Muhr, J.; Kuesel, K. et al.; Totsche, K. U.: ¹⁴C-free carbon is a major contributor to cellular biomass in geochemically distinct groundwater of shallow sedimentary bedrock aquifers. Water Resources Research 55 (3), pp. 2104 - 2121 (2019)

Schwab, V. F.; Nowak, M.; Trumbore, S. E.; Xu, X.; Gleixner, G.; Muhr, J.; Kuesel, K.; Totsche, K. U.: Isolation of individual saturated fatty acid methyl esters derived from groundwater phospholipids by preparative high-pressure liquid chromatography for compound-specific radiocarbon analyses. Water Resources Research 55 (3), pp. 2521 - 2531 (2019)

D'Andrea, E.; Rezaie, N.; Battistelli, A.; Gavrichkova, O.; Kuhlmann, I.; Matteucci, G.; Moscatello, S.; Proietti, S.; Scartazza, A.; Trumbore, S. E. et al.; Muhr, J.: Winter's bite: beech trees survive complete defoliation due to spring late-frost damage by mobilizing old C reserves. New Phytologist 224 (2), pp. 625 - 631 (2019)

Muhr, J.; Trumbore, S. E.; Higuchi, N.; Kunert, N.: Living on borrowed time – Amazonian trees use decade‐old storage carbon to survive for months after complete stem girdling. New Phytologist 220 (1), pp. 111 - 120 (2018)

Hilman, B.; Muhr, J.; Trumbore, S. E.; Kunert, N.; Carbone, M. S.; Yuval, P.; Wright, S. J.; Moreno, G.; Pérez‑Priego, O.; Migliavacca, M. et al.; Carrara, A.; Grünzweig, J. M.; Osem, Y.; Weiner, T.; Angert, A.: Comparison of CO₂ and O₂ fluxes demonstrate retention of respired CO₂ in tree stems from a range of tree species. Biogeosciences 16 (1), pp. 177 - 191 (2017)

Muhr, J.; Messier, C.; Delagrange, S.; Trumbore, S. E.; Xu, X.; Hartmann, H.: How fresh is maple syrup? Sugar maple trees mobilize carbon stored several years previously during early springtime sap-ascent. New Phytologist 209 (4), pp. 1410 - 1416 (2016)

Nowak, M.; Beulig, F.; von Fischer, J.; Muhr, J.; Küsel, K.; Trumbore, S. E.: Autotrophic fixation of geogenic CO₂ by microorganisms contributes to soil organic matter formation and alters isotope signatures in a wetland mofette. Biogeosciences 12 (3), pp. 7169 - 7183 (2015)

Trumbore, S. E.; Czimczik, C. I.; Sierra, C.; Muhr, J.; Xu, X.: Non-structural carbon dynamics and allocation relate to growth rate and leaf habit in California oaks. Tree Physiology 35 (11), pp. 1206 - 1222 (2015)

Ahrens, B.; Reichstein, M.; Borken, W.; Muhr, J.; Trumbore, S. E.; Wutzler, T.: Bayesian calibration of a soil organic carbon model using delta¹⁴C measurements of soil organic carbon and heterotrophic respiration as joint constraints. Biogeosciences 11 (8), pp. 2147 - 2168 (2014)

Krüger, I.; Muhr, J.; Hartl-Meier, C.; Schulz, C.; Borken, W.: Age determination of coarse woody debris with radiocarbon analysis and dendrochronological cross-dating. European Journal of Forest Research 133, pp. 931 - 939 (2014)

Vicca, S.; Bahn, M.; Estiarte, M.; van Loon, E. E.; Vargas, R.; Alberti, G.; Ambus, P.; Arain, M. A.; Beier, C.; Bentley, L. P. et al.; Borken, W.; Buchmann, N.; Collins, S. L.; de Dato, G.; Dukes, J. S.; Escolar, C.; Fay, P.; Guidolotti, G.; Hanson, P. J.; Kahmen, A.; Kröel-Dulay, G.; Ladreiter-Knauss, T.; Larsen, K. S.; Lellei-Kovacs, E.; Lebrija-Trejos, E.; Maestre, F. T.; Marhan, S.; Marshall, M.; Meir, P.; Miao, Y.; Muhr, J.; Niklaus, P. A.; Ogaya, R.; Peñuelas, J.; Poll, C.; Rustad, L. E.; Savage, K.; Schindlbacher, A.; Schmidt, I. K.; Smith, A. R.; Sotta, E. D.; Suseela, V.; Tietema, A.; van Gestel, N.; van Straaten, O.; Wan, S.; Weber, U.; Janssens, I. A.: Can current moisture responses predict soil CO₂ efflux under altered precipitation regimes? A synthesis of manipulation experiments. Biogeosciences 11 (11), pp. 2991 - 3013 (2014)

Muhr, J.; Angert, A.; Negrón-Juárez, R. I.; Muñoz, W. A.; Kraemer, G.; Chambers, J. Q.; Trumbore, S. E.: Carbon dioxide emitted from live stems of tropical trees is several years old. Tree Physiology 33, pp. 743 - 752 (2013)