Huang, J.; Hammerbacher, A.; Gershenzon, J.; van Dam, N. M.; Sala, A.; McDowell, N. G.; Chowdhury, S.; Gleixner, G.; Trumbore, S. E.; Hartmann, H.: Storage of carbon reserves in spruce trees is prioritized over growth in the face of carbon limitation. Proceedings of the National Academy of Sciences of the United States of America 118 (33), e2023297118 (2021)

Hesse, B. D.; Hartmann, H.; Rötzer, T.; Landhäusser, S. M.; Goisser, M.; Weikla, F.; Pritsch, K.; Grams, T. E. E.: Mature beech and spruce trees under drought – Higher C investment in reproduction at the expense of whole-tree NSC stores. Environmental and Experimental Botany 191, 104615 (2021)

Marchand, W.; Girardin, M. P.; Hartmann, H.; Lévesque, M.; Gauthier, S.; Bergeron, Y.: Contrasting life-history traits of black spruce and jack pine influence their physiological response to drought and growth recovery in northeastern boreal Canada. Science of the Total Environment 794, 148514 (2021)

Hartmann, H.; Link, R. M.; Schuldt, B.: A whole-plant perspective of isohydry: stem-level support for leaf-level plant water regulation. Tree Physiology 41 (6), pp. 901 - 905 (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)

Hartmann, H.: Dem Forst eine Chance geben! AFZ, der Wald 6, pp. 38 - 40 (2021)

Wirth, C.; Engelmann, R. A.; Haack, N.; Hartmann, H.; Richter, R.; Schnabel, F.; Scholz, M.; Seele-Dilbat, C.: Naturschutz und Klimawandel im Leipziger Auwald. Biologie in unserer Zeit 51 (1), pp. 55 - 65 (2021)

Forzieri, G.; Girardello, M.; Ceccherini, G.; Spinoni, J.; Feyen, L.; Hartmann, H.; Beck, P. S. A.; Camps-Valls, G.; Chirici, G.; Mauri, A. et al.; Cescatti, A.: Emergent vulnerability to climate-driven disturbances in European forests. Nature Communications 12, 1081 (2021)

Hao, B.; Hartmann, H.; Li, Y.; Liu, H.; Shi, F.; Li, X.; Li, Z.; Wang, P.; Allen, C. D.; Wu, X.: Precipitation gradient drives divergent relationship between non-structural carbohydrates and water availability in Pinus tabulaeformis of Northern China. Forests 12 (2), 133 (2021)

Hartmann, H.: Warum leiden große Bäume besonders unter dem Klimawandel? Pro Baum 3, p. 22 (2021)

Joseph, J.; Gao, D.; Backes, B.; Bloch, C.; Brunner, I.; Gleixner, G.; Haeni, M.; Hartmann, H.; Hoch, G.; Hug, C. et al.; Kahmen, A.; Lehmann, M. M.; Li, M.-H.; Luster, J.; Peter, M.; Poll, C.; Rigling, A.; Rissanen, K. A.; Ruehr, N. K.; Saurer, M.; Schaub, M.; Schönbeck, L.; Stern, B.; Thomas, F. M.; Werner, R. A.; Werner, W.; Wohlgemuth, T.; Hagedorn, F.; Gessler, A.: Rhizosphere activity in an old-growth forest reacts rapidly to changes in soil moisture and shapes whole-tree carbon allocation. Proceedings of the National Academy of Sciences of the United States of America 117 (40), pp. 24885 - 24892 (2020)

Schulze, E. D.; Hartmann, H.; Lambert, S.; Weber, U.: Folgen von Spätfrösten bei der Buche in montanen Lagen. AFZ, der Wald 18, pp. 46 - 48 (2020)

Rehschuh, R.; Cecilia, A.; Zuber, M.; Faragó, T.; Baumbach, T.; Hartmann, H.; Jansen, S.; Mayr, S.; Ruehr, N.: Drought-induced xylem embolism limits the recovery of leaf gas exchange in Scots pine. Plant Physiology 184 (2), pp. 852 - 864 (2020)

Marchand, W.; Girardin, M. P.; Hartmann, H.; Depardieu, C.; Isabel, N.; Gauthier, S.; Boucher, É.; Bergeron, Y.: Strong overestimation of water‐use efficiency responses to rising CO₂ in tree‐ring studies. Global Change Biology 26 (8), pp. 4538 - 4558 (2020)

Dai, J.; Liu, H.; Wang, Y.; Guo, Q.; Hu, T.; Quine, T.; Green, S.; Hartmann, H.; Xu, C.; Liu, X. et al.; Jiang, Z.: Drought-modulated allometric patterns of trees in semi-arid forests. Communications Biology 3 (1), 405 (2020)

Hartmann, H.; Bahn, M.; Carbone, M.; Richardson, A. D.: Plant carbon allocation in a changing world – challenges and progress: introduction to a Virtual Issue on carbon allocation. New Phytologist 227 (4), pp. 981 - 988 (2020)

Becacici Macieira, B. P.; Locosselli, G. M.; Buckeridge, M. S.; Hartmann, H.; Faustini Cuzzuol, G. R.: Stem and leaf functional traits allow successional classification in six pioneer and non-pioneer tree species in Tropical Moist Broadleaved Forests. Ecological Indicators 113, 106254 (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)

Huang, J.; Rücker, A.; Schmidt, A.; Gleixner, G.; Gershenzon, J.; Trumbore, S. E.; Hartmann, H.: Production of constitutive and induced secondary metabolites is coordinated with growth and storage in Norway spruce saplings. Tree Physiology 40 (7), tpaa040, pp. 928 - 942 (2020)

Schuldt, B.; Buras, A.; Arend, M.; Vitasse, Y.; Beierkuhnlein, C.; Dammf, A.; Gharun, M.; Grams, T. E.E.; Hauck, M.; Hajek, P. et al.; Hartmann, H.; Hiltbrunner, E.; Hoch, G.; Holloway-Phillips, M.; Körner, C.; Larysch, E.; Lübbe, T.; Nelson, D. B.; Rammig, A.; Rigling, A.; Rose, L.; Ruehr, N. K.; Schumann, K.; Weiser, F.; Werner, C.; Wohlgemuth, T.; Zang, C. S.; Kahmen, A.: A first assessment of the impact of the extreme 2018 summer drought on Central European forests. Basic and Applied Ecology 45, pp. 86 - 103 (2020)