Dr. Peter Hajek

		Institut für Biologie/Geobotanik
		Schänzlestr. 1
		Room 211
		79104 Freiburg
		+49761 203-2617
		peter.hajek[AT]biologie.uni-freiburg.de

Curriculum Vitae

Research Interests

• Forest ecology
• Root ecology
• Tree hydraulics and wood anatomy
• Forests and climate change

Publications

Münchinger I, Hajek P, Akdogan B, Caicoya AT, Kunert N (2023) Leaf thermal tolerance and sensitivity of temperate tree species are correlated with leaf physiological and functional drought resistance traits. Journal of Forestry Research (https://doi.org/1/s11676-022-01594-y).

Kunert N & Hajek P (2022) Shade-tolerant temperate broad-leaved trees are more sensitive to thermal stress than light-demanding species during a moderate heatwave.Trees, Forests and People 9: 100282  (https://doi.org/10.1016/j.tfp.2022.100282)

Hajek P, Link RM, Nock C, Bauhus J, Gebauer T, Gessler A, Kovach K,  Messier C, Paquette A, Saurer M, Scherer-Lorenzen M, Rose L, Schuldt B (2022) Mutually inclusive mechanisms of drought-induced tree mortality. Global change biology 28(10), 3365-3378. (https://doi.org/10.1111/gcb.16146).

Kunert N, Hajek P, Hietz P, Morris H, Rosner S, Tholen D (2021) Summer temperatures reach the thermal tolerance threshold of photosynthetic decline in temperate conifers. Plant Biology. doi:10.1111/plb.13349

Berthelot S, Frühbrodt , Hajek P, Nock C, Dormann C, Bauhus J,  Fründ J (2021) Tree diversity reduces risk of bark beetle infestation for preferred conifer species, but increases risk for less preferred hosts. Journal of Ecology, 109: 2649– 2661.

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

Grass I, Meyer S, Taylor P, Foord S, Hajek P, Tscharntke T (2018) Pollination limitation despite managed honeybees in South African macadamia orchards. Agriculture, Ecosystems & Environment, 260, 11-18.

Hajek P, Kurjak D, von Wühlisch G, Delzon S, Schuldt B (2016) Intraspecific variation in wood anatomical, hydraulic and foliar traits in ten European beech provenances differing in growth yield. Frontiers in Plant Science 7, 791.

Hajek P, Seidel D, Leuschner C (2015) Mechanical abrasion, and not competition for light, is the dominant canopy interaction in a temperate mixed forest. Forest Ecology and Management, 348, 108-116.

Hajek P, Leuschner C, Hertel D, Delzon S, Schuldt B (2014) Assessing the trade-offs between xylem hydraulic properties, wood anatomy and yield in Populus. Tree Physiology, 34(7), 744-756.

Hajek P, Hertel D, Leuschner C (2013) Root order- and root age-dependent response of two poplar species to belowground competition. Plant and Soil, 377(1), 337-355.

Hajek P, Hertel D, Leuschner C (2013) Intraspecific variation in root and leaf traits and leaf-root trait linkages in eight aspen demes (Populus tremula and P. tremuloides). Frontiers in Plant Science, 4, 415.

Poster

Decarsin R,  Guillemot J, Cochard H, Corso D, Delzon S, Torres-Ruiz J-M, Jactel H, Meredieu C, Mereu S, Rewald B, Hajek P, Bauhus J, Scherer-Lorenzen M, Doucet Z, Achard E, Serrano-León H, Ponette Q, Le Maire G, Martin-StPaul N (2022) Tree species diversity effects on hydraulic safety margins. 5^th Xylem International Meeting, University of Würzburg

Kurjak D, Sliacka-Konôpková A, Petrik P, Hajek P, Schuldt B (2022) Xylem anatomy explains intraspecific variability of Ψ₅₀ and d¹³C in European beech provenances 5^th Xylem International Meeting, University of Würzburg

Williams L, Villanueva RB, Butler E, Cavender-Bares J, Couture J, Hajek P, Klama J, Kovach K, Messier C, Moradi A, Paquette A, Park M, Reich P, Rice K, Scherer-Lorenzen M, Schuman M, Stefanski A, Townsend P, Wang Z (2022) Light as a resource, stressor and cue in mediating diversity-productivity relationships in forests. Earth and Space Science Open Archive [online] URL: http://www.essoar.org/doi/10.1002/essoar.10509969.1

Awards

Helmut-Lieth-Preis für Umweltforschung 2022; Stifter: Albert-Ludwigs-Universität Freiburg Köperschaftsvermögen

Projects

International Diversity Experiment Network with Trees IDENT

P-XTRACT Regionale Klärschlammverwertung mit integrierter Phosphorrückgewinnung