Lack of effect of admixture proportion and tree density on water acquisition depth for European beech (Fagus sylvatica L.) and sycamore maple (Acer pseudoplatanus L.)

Ammer C (2016) Unraveling the importance of inter- and intraspecific competition for the adaptation of forests to climate change. In: Lüttge U, Cànovas FM, Munch J, Pretzsch H, Risueno MC, Leuschner C (eds) Progress in botany Vol. 78. Springer, Cham, p 345–367. https://doi.org/10.1007/124_2016_14 Bello J, Hasselquist NJ, Vallet P, Kahmen A, Perot T, Korboulewsky N (2019) Complementary water uptake depth of Quercus petraea and Pinus sylvestris in mixed stands during an extreme drought. Plant Soil 437:93–115. https://doi.org/10.1007/s11104-019-03951-z Bing W, Lijian Z, Juanjuan M, Xihuan S, Xianghong G, Fei G (2016) Effective root depth and water uptake ability of winter wheat by using water stable isotopes in the Loess Plateau of China. Int J Agr Biol Eng 9:27–35. https://doi.org/10.3965/j.ijabe.20160906.2450 Bravo-Oviedo A, Pretzsch H, Ammer C, Andenmatten E, Barbati A, Barreiro S et al (2014) European mixed forests: definition and research perspectives. Forest Syst 23:518–533. dx.doi.org. https://doi.org/10.5424/fs/2014233-06256 Bréchet L, Ponton S, Alméras T, Bonal D, Epron D (2011) Does spatial distribution of tree size account for spatial variation in soil respiration in a tropical forest? Plant Soil 347:293–303. https://doi.org/10.1007/s11104-011-0848-1 Brinkmann N, Eugster W, Buchmann N, Kahmen A (2019) Species-specific differences in water uptake depth of mature temperate trees vary with water availability in the soil. Plant Biol 21:71–81. https://doi.org/10.1111/plb.12907 Cahill JF, McNickle GG, Haag JJ, Lamb EG, Nyanumba SM, Clair CCS (2010) Plants integrate information about nutrients and neighbors. Science 328:1657–1657. https://doi.org/10.1126/science.1189736 Caldwell MM, Dawson TE, Richards JH (1998) Hydraulic lift: consequences of water efflux from the roots of plants. Oecologia 113:151–161. https://doi.org/10.1007/s004420050363 Collet C, Ningre F, Barbeito I, Arnaud A, Piboule A (2014) Response of tree growth and species coexistence to density and species evenness in a young forest plantation with two competing species. Ann Bot 113:711–719. https://doi.org/10.1093/aob/mct285 Contreras MA, Affleck D, Chung W (2011) Evaluating tree competition indices as predictors of basal area increment in western Montana forests. For Ecol Manag 262:1939–1949. https://doi.org/10.1016/j.foreco.2011.08.031 Forrester DI (2014) The spatial and temporal dynamics of species interactions in mixed-species forests: from pattern to process. For Ecol Manag 312:282–292. https://doi.org/10.1016/j.foreco.2013.10.003 Forrester DI (2017) Ecological and physiological processes in mixed versus monospecific stands. In: Bauhus J, Forrester DI, Pretzsch H (eds) Mixed-Species forests. Springer, Berlin, pp 73–115. https://doi.org/10.1007/978-3-662-54553-9_3 Fruleux A, Bogeat-Triboulot MB, Collet C, Deveau A, Saint-André L, Santenoise P, Bonal D (2018) Aboveground overyielding in a mixed temperate forest is not explained by belowground processes. Oecologia 188:1183–1193. https://doi.org/10.1007/s00442-018-4278-0 Gambetta GA, Fei J, Rost TL, Knipfer T, Matthews MA, Shackel KA et al (2013) Water uptake along the length of grapevine fine roots: developmental anatomy, tissue specific aquaporin expression, and pathways of water transport. Plant Physiol 163:1254–1265. https://doi.org/10.1104/pp.113.221283 Goisser M, Geppert U, Rötzer T, Paya A, Huber A, Kerner R et al (2016) Does belowground interaction with Fagus sylvatica increase drought susceptibility of photosynthesis and stem growth in Picea abies? For Ecol Manag 375:268–278. https://doi.org/10.1016/j.foreco.2016.05.032 Green SR, Clothier BE (1995) Root water uptake by kiwifruit vines following partial wetting of the root zone. Plant Soil 173:317–328. https://doi.org/10.1007/BF00011470 Grossiord C, Gessler A, Granier A, Berger S, Bréchet C, Hentschel R et al (2014) Impact of interspecific interactions on the soil water uptake depth in a young temperate mixed species plantation. J Hydrol 519:3511–3519. https://doi.org/10.1016/j.jhydrol.2014.11.011 Kirfel K, Leuschner C, Hertel D, Schuldt B (2017) Influence of root diameter and soil depth on the xylem anatomy of fine- to medium-sized roots of mature beech trees in the top- and subsoil. Front Plant Sci 8:1–13. https://doi.org/10.3389/fpls.2017.01194 Lehto T, Zwiazek JJ (2011) Ectomycorrhizas and water relations of trees: a review. Mycorrhiza 21:71–90. https://doi.org/10.1007/s00572-010-0348-9 Leuschner C, Hertel D, Coners H, Büttner V (2001) Root competition between beech and oak: a hypothesis. Oecologia 126:276–284. https://doi.org/10.1007/s004420000507 Liang J, Crowther TW, Picard N, Wiser S, Zhou M, Alberti G et al (2016) Positive biodiversity-productivity relationship predominant in global forests. Science 354:aaf8957. https://doi.org/10.1126/science.aaf8957 Liu Y, Xu Z, Duffy R, Chen W, An S, Liu S, Liu F (2011) Analyzing relationships among water uptake patterns, rootlet biomass distribution and soil water content profile in a subalpine shrubland using water isotopes. Eur J Soil Biol 47:380–386. https://doi.org/10.1016/j.ejsobi.2011.07.012 Maeght JL, Rewald B, Pierret A (2013) How to study deep roots—and why it matters. Front Plant Sci 4:299. https://doi.org/10.3389/fpls.2013.00299 McCormack ML, Dickie IA, Eissenstat DM, Fahey TJ, Fernandez CW, Guo D et al (2015) Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes. New Phytol 207:505–518. https://doi.org/10.1111/nph.13363 McElrone AJ, Pockman WT, Martínez-Vilalta J, Jackson RB (2004) Variation in xylem structure and function in stems and roots of trees to 20 m depth. New Phytol 163:507–517. https://doi.org/10.1111/j.1469-8137.2004.01127.x Meissner M, Köhler M, Schwendenmann L, Hölscher D (2012) Partitioning of soil water among canopy trees during a soil desiccation period in a temperate mixed forest. Biogeosciences 9:3465–3474. https://doi.org/10.5194/bg-9-3465-2012 Midwood AJ, Boutton TW, Archer SR, Watts SE (1998) Water use by woody plants on contrasting soils in a savanna parkland: assessment with δ2H and δ18O. Plant Soil 205:13–24. https://doi.org/10.1023/A:1004355423241 Packham JR, Thomas PA, Atkinson MD, Degen T (2012) Biological flora of the British Isles: Fagus sylvatica. J Ecol 100:1557–1608. https://doi.org/10.1111/j.1365-2745.2012.02017.x Park A, Puettmann K, Wilson E, Messier C, Kames S, Dhar A (2014) Can boreal and temperate forest management be adapted to the uncertainties of 21st century climate change? Crit Rev Plant Sci 33:251–285. https://doi.org/10.1080/07352689.2014.858956 Pierret A, Maeght JL, Clément C, Montoroi JP, Hartmann C, Gonkhamdee S (2016) Understanding deep roots and their functions in ecosystems: an advocacy for more unconventional research. Ann Bot 118:621–635. https://doi.org/10.1093/aob/mcw130 R Core Team (2018) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna Rewald B, Leuschner C (2009) Belowground competition in a broad-leaved temperate mixed forest: pattern analysis and experiments in a four-species stand. Eur J For Res 128:387–398. https://doi.org/10.1007/s10342-009-0276-4 Romero-Saltos H, Sternberg LSL, Moreira MZ, Nepstad DC (2005) Rainfall exclusion in an eastern Amazonian forest alters soil water movement and depth of water uptake. Am J Bot 92:443–455. https://doi.org/10.3732/ajb.92.3.443 Rothfuss Y, Javaux M (2017) Reviews and syntheses: isotopic approaches to quantify root water uptake: a review and comparison of methods. Biogeosciences 14:2199–2224. https://doi.org/10.5194/bg-14-2199-2017 Schmid C, Bauer S, Müller B, Bartelheimer M (2013) Belowground neighbor perception in Arabidopsis thaliana studied by transcriptome analysis: roots of Hieracium pilosella cause biotic stress. Front Plant Sci 4:296. https://doi.org/10.3389/fpls.2013.00296 Schmid C, Bauer S, Bartelheimer M (2015) Should I stay or should I go? Roots segregate in response to competition intensity. Plant Soil 391:283–291. https://doi.org/10.1007/s11104-015-2419-3 Schwendenmann L, Pendall E, Sanchez-Bragado R, Kunert N, Hölscher D (2015) Tree water uptake in a tropical plantation varying in tree diversity: interspecific differences, seasonal shifts and complementarity. Ecohydrology 8:1–12. https://doi.org/10.1002/eco.1479 Silvertown J, Araya Y, Gowing D (2015) Hydrological niches in terrestrial plant communities: a review. J Ecol 103:93–108. https://doi.org/10.1111/1365-2745.12332 Stahl C, Hérault B, Rossi V, Burban B, Bréchet C, Bonal D (2013) Depth of soil water uptake by tropical rainforest trees during dry periods: does tree dimension matter? Oecologia 173:1191–1201. https://doi.org/10.1007/s00442-013-2724-6 Stock BC, Jackson AL, Ward EJ, Parnell AC, Phillips DL, Semmens BX (2018) Analyzing mixing systems using a new generation of Bayesian tracer mixing models. PeerJ 6:e5096. https://doi.org/10.7717/peerj.5096 Tang Y, Wu X, Chen Y, Wen J, Xie Y, Lu S (2018) Water use strategies for two dominant tree species in pure and mixed plantations of the semiarid Chinese loess plateau. Ecohydrology 11:e1943. https://doi.org/10.1002/eco.1943 Trogisch S, Salmon Y, He JS, Hector A, Scherer-Lorenzen M (2016) Spatio-temporal water uptake patterns of tree saplings are not altered by interspecific interaction in the early stage of a subtropical forest. For Ecol Manag 367:52–61. https://doi.org/10.1016/j.foreco.2016.02.018 Wang Y, Dong X, Wang H, Wang Z, Gu J (2015) Root tip morphology, anatomy, chemistry and potential hydraulic conductivity vary with soil depth in three temperate hardwood species. Tree Physiol 36:99–108. https://doi.org/10.1093/treephys/tpv094 Weiner J, Freckleton RP (2010) Constant final yield. Annu Rev Ecol Evol Syst 41:173–192. https://doi.org/10.1146/annurev-ecolsys-102209-144642 Zapater M, Hossann C, Bréda N, Bréchet C, Bonal D, Granier A (2011) Evidence of hydraulic lift in a young beech and oak mixed forest using 18 O soil water labelling. Trees 25:885. https://doi.org/10.1007/s00468-011-0563-9