In order to complement the findings from observational studies on tree diversity effects on stand productivity and tree water use conducted in the Hainich forest, this thesis summarizes the outcome of a replicated common-garden tree diversity experiment. This trial, representing numerous types of tree sapling assemblages, consisted of a similar species composition and was subdivided into two treatments of soil water supply (moist and dry). In the first study (Chapter 3), effects of tree diversity and tree identity on stand-level water consumption are discussed under consideration of resource availability. The second study (Chapter 4) provides a distinct analysis of stand- and tree level productivity in the tree diversity experiment. The impact of tree diversity, tree identity and soil water supply was determined, but we put also special attention on the role of tree neighbor identity. In the third study (Chapter 5), tree 21
CHAPTER 1
functional performances (physiological and structural modifications) were examined in consideration of soil drought and tree mixture effects.
The main objectives of the present thesis can be summarized as follows:
i) Determining the effect size of tree diversity on stand-level water consumption and productivity for the young tree sapling assemblages in the experiment, and to disentangle the role of species complementarity and species selection.
ii) Determining the role of tree species identity in tree community functioning.
iii) Investigating the role of deficient resource supply and altering stress intensity (soil drought) on the BEF relationship in tree water use and growth.
iv) Investigating tree individual responses along environmental gradients (shifts in tree neighborhood and soil water supply) with respect to morphological, physiological and structural adjustments.
22
General Introduction
References
Allen, C.D., Macalady, A.K., Chenchouni, H., Bachelet, D., McDowell, N., Vennetier, M., Kitzberger, T., Rigling, A., Breshears, D.D., Hogg, E.H. (Ted), Gonzalez, P., Fensham, R., Zhang, Z., Castro, J., Demidova, N., Lim, J.-H., Allard, G., Running, S.W., Semerci, A., Cobb, N., 2010. A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests. For. Ecol. Manage. 259, 660–684.
Anderegg, W.R.L., Berry, J. a, Smith, D.D., Sperry, J.S., Anderegg, L.D.L., Field, C.B., 2011.
The roles of hydraulic and carbon stress in a widespread climate-induced forest die-off.
Proc. Natl. Acad. Sci. U. S. A. 109, 233–237.
Anderegg, W.R.L., Meinzer, F.C., 2015. Wood anatomy and plant hydraulics in a changing climate, in: Hacke, U.G. (Ed.), Functional and Ecological Xylem Anatomy. Springer, Berlin, Heidelberg, pp. 235–253.
Aroca, R., 2012. Plant Responses to Drought Stress. Springer, Berlin, Heidelberg.
Balvanera, P., Pfisterer, A.B., Buchmann, N., He, J.-S., Nakashizuka, T., Raffaelli, D., Schmid, B., 2006. Quantifying the evidence for biodiversity effects on ecosystem functioning and services. Ecol. Lett. 9, 1146–1156.
Bartlett, M.K., Scoffoni, C., Sack, L., 2012. The determinants of leaf turgor loss point and prediction of drought tolerance of species and biomes: a global meta-analysis. Ecol. Lett.
15, 393–405.
Belote, R.T., Prisley, S., Jones, R.H., Fitzpatrick, M., de Beurs, K., 2011. Forest productivity and tree diversity relationships depend on ecological context within mid-Atlantic and Appalachian forests (USA). For. Ecol. Manage. 261, 1315–1324.
Bertness, M.D., Callaway, R., 1994. Positive interactions in communities. Trends Ecol. Evol.
9, 191–193.
Bittner, S., Talkner, U., Krämer, I., Beese, F., Hölscher, D., Priesack, E., 2010. Modeling stand water budgets of mixed temperate broad-leaved forest stands by considering variations in species specific drought response. Agric. For. Meteorol. 150, 1347–1357.
Brang, P., Spathelf, P., Larsen, J.B., Bauhus, J., Bonc ina, A., Chauvin, C., Drossler, L., Garcia-Guemes, C., Heiri, C., Kerr, G., Lexer, M.J., Mason, B., Mohren, F., Muhlethaler, U., Nocentini, S., Svoboda, M., 2014. Suitability of close-to-nature silviculture for adapting temperate European forests to climate change. Forestry 87, 492–
503.
Bravo-Oviedo, A., Pretzsch, H., Ammer, C., Andenmatten, E., Barbati, A., Barreiro, S., Brang, P., Bravo, F., Coll, L., Corona, P., Ouden, J. Den, Ducey, M.J., Forrester, D.I., Reilly, C.O., Pach, M., Ponette, Q., Rio, M., Short, I., Skovsgaard, J.P., Soliño, M., Spathelf, P., Sterba, H., 2014. European Mixed Forests : definition and research perspectives. For. Syst. 23, 518–533.
23
CHAPTER 1
Bréda, N., Huc, R., Granier, A., Dreyer, E., 2006. Temperate forest trees and stands under severe drought: a review of ecophysiological responses, adaptation processes and long-term consequences. Ann. For. Sci. 63, 625–644.
Bruelheide, H., Nadrowski, K., Assmann, T., Bauhus, J., Both, S., Buscot, F., Chen, X.-Y., Ding, B., Durka, W., Erfmeier, A., Gutknecht, J.L.M., Guo, D., Guo, L.-D., Härdtle, W., He, J.-S., Klein, A.-M., Kühn, P., Liang, Y., Liu, X., Michalski, S., Niklaus, P. a., Pei, K., Scherer-Lorenzen, M., Scholten, T., Schuldt, A., Seidler, G., Trogisch, S., von Oheimb, G., Welk, E., Wirth, C., Wubet, T., Yang, X., Yu, M., Zhang, S., Zhou, H., Fischer, M., Ma, K., Schmid, B., 2014. Designing forest biodiversity experiments:
general considerations illustrated by a new large experiment in subtropical China.
Methods Ecol. Evol. 5, 74–89.
Bussotti, F., Pollastrini, M., Holland, V., Brüggemann, W., 2014. Functional traits and adaptive capacity of European forests to climate change. Environ. Exp. Bot. 111, 91–
113.
Cardinale, B.J., Duffy, J.E., Gonzalez, A., Hooper, D.U., Perrings, C., Venail, P., Narwani, A., Mace, G.M., Tilman, D., Wardle, D. a, Kinzig, A.P., Daily, G.C., Loreau, M., Grace, J.B., Larigauderie, A., Srivastava, D.S., Naeem, S., 2012. Biodiversity loss and its impact on humanity. Nature 486, 59–67.
Cardinale, B.J., Matulich, K.L., Hooper, D.U., Byrnes, J.E., Duffy, E., Gamfeldt, L., Balvanera, P., O’Connor, M.I., Gonzalez, A., 2011. The functional role of producer diversity in ecosystems. Am. J. Bot. 98, 572–592.
Cardinale, B.J., Srivastava, D.S., Duffy, J.E., Wright, J.P., Downing, A.L., Sankaran, M., Jouseau, C., 2006. Effects of biodiversity on the functioning of trophic groups and ecosystems. Nature 443, 989–992.
Chapin III, F., Matson, P., Vitousek, P. (Eds.), 2011. Principles of terrestrial ecosystem ecology. Springer Science & Business Media.
Choat, B., Jansen, S., Brodribb, T.J., Cochard, H., Delzon, S., Bhaskar, R., Bucci, S.J., Feild, T.S., Gleason, S.M., Hacke, U.G., Jacobsen, A.L., Lens, F., Maherali, H., Martínez-Vilalta, J., Mayr, S., Mencuccini, M., Mitchell, P.J., Nardini, A., Pittermann, J., Pratt, R.B., Sperry, J.S., Westoby, M., Wright, I.J., Zanne, A.E., 2012. Global convergence in the vulnerability of forests to drought. Nature 491, 752–755.
Doak, D.F., Bigger, D., Harding, E.K., Marvier, M. a, O’Malley, R.E., Thomson, D., 1998.
The statistical inevitability of stability-diversity relationships in community ecology.
Am. Nat. 151, 264–276.
Dreesen, F.E., De Boeck, H.J., Janssens, I.A., Nijs, I., 2012. Summer heat and drought extremes trigger unexpected changes in productivity of a temperate annual/biannual plant community. Environ. Exp. Bot. 79, 21–30.
Ewers, F.W.., Ewers, J.M.., Jacobsen, A.L.., Lopez-Portillo, J., 2007. Vessel redundancy:
modeling safety in numbers. IAWA J. 28, 373–388.
24
General Introduction Fischer, E.M., Rajczak, J., Schär, C., 2012. Changes in European summer temperature
variability revisited. Geophys. Res. Lett. 39, 19.
Fischer, E.M., Schär, C., 2008. Future changes in daily summer temperature variability:
driving processes and role for temperature extremes. Clim. Dyn. 33, 917–935.
Forrester, D.I., 2014. The spatial and temporal dynamics of species interactions in mixed-species forests: From pattern to process. For. Ecol. Manage. 312, 282–292.
Forrester, D.I., Kohnle, U., Albrecht, A.T., Bauhus, J., 2013. Complementarity in mixed-species stands of Abies alba and Picea abies varies with climate, site quality and stand density. For. Ecol. Manage. 304, 233–242.
Forrester, D.I., Theiveyanathan, S., Collopy, J.J., Marcar, N.E., 2010. Enhanced water use efficiency in a mixed Eucalyptus globulus and Acacia mearnsii plantation. For. Ecol.
Manage. 259, 1761–1770.
Gamfeldt, L., Snäll, T., Bagchi, R., Jonsson, M., Gustafsson, L., Kjellander, P., Ruiz-Jaen, M.C., Fröberg, M., Stendahl, J., Philipson, C.D., Mikusiński, G., Andersson, E., Westerlund, B., Andrén, H., Moberg, F., Moen, J., Bengtsson, J., 2013. Higher levels of multiple ecosystem services are found in forests with more tree species. Nat. Commun.
4, 1340.
Gebauer, T., Horna, V., Leuschner, C., 2012. Canopy transpiration of pure and mixed forest stands with variable abundance of European beech. J. Hydrol. 442-443, 2–14.
Gerten, D., Schaphoff, S., Lucht, W., 2007. Potential future changes in water limitations of the terrestrial biosphere. Clim. Change 80, 277–299.
Gibson, L., Lee, T.M., Koh, L.P., Brook, B.W., Gardner, T.A., Barlow, J., Peres, C.A., Bradshaw, C.J.A., Laurance, W.F., Lovejoy, T.E., Sodhi, N.S., 2011. Primary forests are irreplaceable for sustaining tropical biodiversity. Nature 478, 378–381.
Grossiord, C., Gessler, A., Granier, A., Pollastrini, M., Bussotti, F., Bonal, D., 2014a.
Interspecific competition influences the response of oak transpiration to increasing drought stress in a mixed Mediterranean forest. For. Ecol. Manage. 318, 54–61.
Grossiord, C., Granier, A., Gessler, A., Jucker, T., Bonal, D., 2014b. Does Drought Influence the Relationship Between Biodiversity and Ecosystem Functioning in Boreal Forests?
Ecosystems 17, 394–404.
Grossiord, C., Granier, A., Gessler, A., Pollastrini, M., Bonal, D., 2013. The influence of tree species mixture on ecosystem-level carbon accumulation and water use in a mixed boreal plantation. For. Ecol. Manage. 298, 82–92.
Grossiord, C., Granier, A., Ratcliffe, S., Bouriaud, O., Bruelheide, H., Chećko, E., Forrester, D.I., Dawud, S.M., Finér, L., Pollastrini, M., Scherer-Lorenzen, M., Valladares, F., Bonal, D., Gessler, A., 2014c. Tree diversity does not always improve resistance of forest ecosystems to drought. Proc. Natl. Acad. Sci. 111, 14812–14815.
25
CHAPTER 1
Hacke, U., Sperry, J., 2001. Functional and ecological xylem anatomy. Perspect. Plant Ecol.
Evol. Syst. 4, 97–115.
Hardin, G., 1968. The Tragedy of the Commons. Science. 162, 1243–1248.
Hartmann, H., Ziegler, W., Kolle, O., Trumbore, S., 2013. Thirst beats hunger–declining hydration during drought prevents carbon starvation in Norway spruce saplings. New Phytol. 200, 340–349.
He, Q., Bertness, M.D., Altieri, A.H., 2013. Global shifts towards positive species interactions with increasing environmental stress. Ecol. Lett. 16, 695–706.
Hector, A., Hautier, Y., Saner, P., L.Wacker, Bagchi, R., Joshi, J., Scherer-Lorenzen, M., Spehn, E.M., Bazeley-White, E., M.Weilenmann, Caldeira, M.C., Dimitrakopoulos, P.G., Finn, J. a., Huss-Danell, K., Jumpponen, A., Loreau, M., 2010. General stabilizing effects of plant diversity on grassland productivity through population asynchrony and overyielding. Ecology 91, 2213–2220.
Hector, A., Philipson, C., Saner, P., Chamagne, J., Dzulkifli, D., O’Brien, M., Snaddon, J., Ulok, P., Weilenmann, M., Reynolds, G., Godfray, H., 2011. The Sabah Biodiversity Experiment: a long-term test of the role of tree diversity in restoring tropical forest structure and functioning. Phil. Trans. R. Soc. B. 366, 3303–3315.
Hector, A., Schmid, B., Beierkuhnlein, C., Caldeira, M.C., Diemer, M., Dimitrakopoulos, P.G., Finn, J.A., Freitas, H., Giller, P.S., Good, J., Harris, R., Högberg, P., Huss-Danell, K., Joshi, J., Jumpponen, A., Körner, C., Leadley, P.W., Loreau, M., Minns, A., Mulder, C.P.H., O’Donovan, G., Otway, S.J., Peireira, J.S., Prinz, A., Read, D.J., Scherer-Lorenzen, M., Schulze, E.D., Siamantziouras, A.-S.D., Spehn, E.M., Terry, A.C., Troumbis, A.Y., Woodward, F.I., Yachi, S., Lawton, J.H., 1999. Plant Diversity and Productivity Experiments in European Grasslands. Science (80-. ). 286, 1123–1127.
Hooper, D., Chapin, F., Ewel, J., Hector, A., Inchausti, P., Lavorel, S., Lawton, J., Lodge, D., Loreau, M., Naeem, S., Schmid, B., Setälä, H., Symstad, A., Vandermeer, J., Wardle, D., 2005. Effects of biodiversity on ecosystem functioning: a consensus of current knowledge. Ecol. Monogr. 75, 3–35.
Hooper, D.U., Adair, E.C., Cardinale, B.J., Byrnes, J.E.K., Hungate, B. a, Matulich, K.L., Gonzalez, A., Duffy, J.E., Gamfeldt, L., O’Connor, M.I., 2012. A global synthesis reveals biodiversity loss as a major driver of ecosystem change. Nature 486, 105–108.
Hooper, D.U., Vitousek, P.M., 1997. The Effects of Plant Composition and Diversity on Ecosystem Processes. Science (80-. ). 277, 1302–1305.
Huntington, T.G., 2006. Evidence for intensification of the global water cycle: Review and synthesis. J. Hydrol. 319, 83–95.
Huston, M.A., 1997. Hidden treatments in ecological experiments: re-evaluating the ecosystem function of biodiversity. Oecologia 110, 449–460.
26
General Introduction IPCC, 2013. Climate Change 2013: The Physical Science Basis. Contribution of Working
Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, NY.
Jacob, M., Leuschner, C., Thomas, F., 2010. Productivity of temperate broad-leaved forest stands differing in tree species diversity. Ann. For. Sci. 67, 503–512.
Jactel, H., Nicoll, B., Branco, M., Gonzalez-Olabarria, J.R., Grodzki, W., Långström, B., Moreira, F., Netherer, S., Orazio, C., Piou, D., Santos, H., Schelhaas, M.J., Tojic, K., Vodde, F., 2009. The influences of forest stand management on biotic and abiotic risks of damage. Ann. For. Sci. 66, 1-18.
Jucker, T., Bouriaud, O., Avacaritei, D., Coomes, D.A., 2014. Stabilizing effects of diversity on aboveground wood production in forest ecosystems: linking patterns and processes.
Ecol. Lett. 17, 1560–1569.
Kelty, M.J., Larson, B.C., Oliver, C.D. (Eds.), 1992. The ecology and silviculture of mixed-species forests. Kluwer, Amsterdam.
Köcher, P., Gebauer, T., Horna, V., Leuschner, C., 2009. Leaf water status and stem xylem flux in relation to soil drought in five temperate broad-leaved tree species with contrasting water use strategies. Ann. For. Sci. 66, 101.
Köcher, P., Horna, V., Beckmeyer, I., Leuschner, C., 2012. Hydraulic properties and embolism in small-diameter roots of five temperate broad-leaved tree species with contrasting drought tolerance. Ann. For. Sci. 69, 693–703.
Köcher, P., Horna, V., Leuschner, C., 2013. Stem water storage in five coexisting temperate broad-leaved tree species: significance, temporal dynamics and dependence on tree functional traits. Tree Physiol. 33, 817–832.
Körner, C., 2005. An Introduction to the Functional Diversity of Temperate Forest Trees, in:
Scherer-Lorenzen, M., Körner, C., Schulze, E.-D. (Eds.), Forest Diversity and Function – Temperate and Boreal Systems, Ecological Studies 176. Springer, Berlin, pp. 13–37.
Kozlowski, T., Pallardy, S., 2002. Acclimation and adaptive responses of woody plants to environmental stresses. Bot. Rev. 68, 270–334.
Krämer, I., Hölscher, D., 2010. Soil water dynamics along a tree diversity gradient in a deciduous forest in Central Germany. Ecohydrology 271, 262–271.
Kunert, N., Schwendenmann, L., Potvin, C., Hölscher, D., 2012. Tree diversity enhances tree transpiration in a Panamanian forest plantation. J. Appl. Ecol. 49, 135–144.
Law, B., Falge, E., Gu, L., Baldocchi, D., Bakwind, P., Berbigier, P., Davis, K., Dolmang, A.J., M.Falkh, Fuentesi, J.D., Goldsteinc, A., Granierj, A., Grelle, A., Hollinger, D., Janssensm, I.A., Jarvis, P., Jenseno, N.O., Katulp, G., Mahliq, Y., Matteuccir, G., Meyers, T., Monsont, R., Mungeru, W., Oechelv, W., R. Olsonw, K. Pilegaardx, K.T.
Paw Uh, H. Thorgeirsson y, R. Valentini r, S. Vermaz, T. Vesala a1, K.Wilson s, S.W., 2002. Environmental controls over carbon dioxide and water vapor exchange of terrestrial vegetation. Agric. For. Meteorol. 113, 97–120.
27
CHAPTER 1
Le Quéré, C., Peters, G.P., Andres, R.J., Andrew, R.M., Boden, T., Ciais, P., Friedlingstein, P., Houghton, R. a., Marland, G., Moriarty, R., Sitch, S., Tans, P., Arneth, a., Arvanitis, a., Bakker, D.C.E., Bopp, L., Canadell, J.G., Chini, L.P., Doney, S.C., Harper, a., Harris, I., House, J.I., Jain, a. K., Jones, S.D., Kato, E., Keeling, R.F., Klein Goldewijk, K., Körtzinger, a., Koven, C., Lefèvre, N., Omar, a., Ono, T., Park, G.-H., Pfeil, B., Poulter, B., Raupach, M.R., Regnier, P., Rödenbeck, C., Saito, S., Schwinger, J., Segschneider, J., Stocker, B.D., Tilbrook, B., van Heuven, S., Viovy, N., Wanninkhof, R., Wiltshire, a., Zaehle, S., Yue, C., 2013. Global carbon budget 2013. Earth Syst. Sci. Data Discuss. 6, 689–760.
Lebourgeois, F., Gomez, N., Pinto, P., Mérian, P., 2013. Mixed stands reduce Abies alba tree-ring sensitivity to summer drought in the Vosges mountains, western Europe. For. Ecol.
Manage. 303, 61–71.
Legner, N., Fleck, S., Leuschner, C., 2013. Within-canopy variation in photosynthetic capacity, SLA and foliar N in temperate broad-leaved trees with contrasting shade tolerance. Trees 28, 263–280.
Leuschner, C., Jungkunst, H.F., Fleck, S., 2009. Functional role of forest diversity: Pros and cons of synthetic stands and across-site comparisons in established forests. Basic Appl.
Ecol. 10, 1–9.
Loreau, M., Hector, A., 2001. Partitioning selection and complementarity in biodiversity experiments. Nature 412, 72–76.
Loreau, M., Naeem, S., Pablo Inchausti, 2002. Biodiversity and Ecosystem Functioning:
Synthesis and Perspectives. Oxford University Press, Oxford.
Maseda, P.H., Fernández, R.J., 2006. Stay wet or else: three ways in which plants can adjust hydraulically to their environment. J. Exp. Bot. 57, 3963–3977.
McDowell, N.G., 2011. Mechanisms linking drought, hydraulics, carbon metabolism, and vegetation mortality. Plant Physiol. 155, 1051–1059.
Meißner, M., Köhler, M., Hölscher, D., 2013. Diversity did not influence soil water use of tree clusters in a temperate mixed forest. Web Ecol. 13, 31–42.
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.
Millenium Ecosystem Assessment 2005. Ecosystems and Human Well-being: Biodiversity Synthesis. World Resources Institute, Washington, DC. <www.millennium assessment.org/ >.
Mölder, I., Leuschner, C., Leuschner, H.H., 2011. δ13C signature of tree rings and radial increment of Fagus sylvatica trees as dependent on tree neighborhood and climate. Trees 25, 215–229.
Monteith, J.L., 1977. Climate and the Efficiency of Crop Production in Britain. Philos. Trans.
R. Soc. B Biol. Sci. 281, 277–294.
28
General Introduction Morin, X., Fahse, L., de Mazancourt, C., Scherer-Lorenzen, M., Bugmann, H., 2014.
Temporal stability in forest productivity increases with tree diversity due to asynchrony in species dynamics. Ecol. Lett. 17, 1526-1535.
Morin, X., Fahse, L., Scherer-Lorenzen, M., Bugmann, H., 2011. Tree species richness promotes productivity in temperate forests through strong complementarity between species. Ecol. Lett. 14, 1211–1219.
Nadrowski, K., Wirth, C., Scherer-Lorenzen, M., 2010. Is forest diversity driving ecosystem function and service? Curr. Opin. Environ. Sustain. 2, 75–79.
Naeem, S., Bunker, D., Hector, A., Loreau, M., Perrings, C., 2009. Biodiversity, Ecosystem Functioning, and HumanWellbeing: An Ecological and Economic Perspective. Oxford Univ. Press, Oxford.
Neuner, S., Albrecht, A., Cullmann, D., Engels, F., Griess, V.C., Hahn, W.A., Hanewinkel, M., Härtl, F., Kölling, C., Staupendahl, K., Knoke, T., 2015. Survival of Norway spruce remains higher in mixed stands under a dryer and warmer climate. Glob. Chang. Biol.
21, 935–946.
Nicotra, a B., Atkin, O.K., Bonser, S.P., Davidson, a M., Finnegan, E.J., Mathesius, U., Poot, P., Purugganan, M.D., Richards, C.L., Valladares, F., van Kleunen, M., 2010. Plant phenotypic plasticity in a changing climate. Trends Plant Sci. 15, 684–692.
Ogaya, R., Penuelas, J., 2006. Contrasting foliar responses to drought in Quercus ilex and Phillyrea latifolia. Biol. Plant. 50, 373–382.
Paquette, A., Messier, C., 2011. The effect of biodiversity on tree productivity: from temperate to boreal forests. Glob. Ecol. Biogeogr. 20, 170–180.
Piotto, D., 2008. A meta-analysis comparing tree growth in monocultures and mixed plantations. For. Ecol. Manage. 255, 781–786.
Pollastrini, M., Holland, V., Brüggemann, W., Koricheva, J., Jussila, I., Scherer-Lorenzen, M., Berger, S., Bussotti, F., 2014. Interactions and competition processes among tree species in young experimental mixed forests, assessed with chlorophyll fluorescence and leaf morphology. Plant Biol. 16, 323–331.
Potvin, C., Mancilla, Lady, Buchmann, N., Monteza, J., Moore, T., Murphy, M., Oelmann, Y., Scherer-Lorenzen, M., Turner, B.L., Wilcke, W., Zeugin, F., Wolf, S., 2011. An ecosystem approach to biodiversity effects: Carbon pools in a tropical tree plantation.
For. Ecol. Manage. 261, 1614–1624.
Pretzsch, H., 2005. Diversity and productivity in forests: evidence from long-term experimental plots, in: Scherer-Lorenzen, M., Körner, Ch., Schulze, E.-D. (Eds.), Forest Diversity and Function. Ecological Studies. pp. 41–64.
Pretzsch, H., 2013. Facilitation and competition in mixed-species forests analysed along an ecological gradient. Nov. Acta Leopoldina NF 174, 159–174.
29
CHAPTER 1
Pretzsch, H., Block, J., Dieler, J., Dong, P.H., Kohnle, U., Nagel, J., Spellmann, H., Zingg, A., 2010. Comparison between the productivity of pure and mixed stands of Norway spruce and European beech along an ecological gradient. Ann. For. Sci. 67, 712–724.
Pretzsch, H., Schütze, G., 2009. Transgressive overyielding in mixed compared with pure stands of Norway spruce and European beech in Central Europe: evidence on stand level and explanation on individual tree level. Eur. J. For. Res. 128, 183–204.
Pretzsch, H., Schütze, G., Uhl, E., 2013. Resistance of European tree species to drought stress in mixed versus pure forests: evidence of stress release by inter-specific facilitation.
Plant Biol. 15, 483–495.
Quijas, S., Schmid, B., Balvanera, P., 2010. Plant diversity enhances provision of ecosystem services: A new synthesis. Basic Appl. Ecol. 11, 582–593.
Rennenberg, H., Loreto, F., Polle, A., Brilli, F., Fares, S., Beniwal, R.S., Gessler, A., 2006.
Physiological responses of forest trees to heat and drought. Plant Biol. 8, 556–571.
Richards, A.E., Forrester, D.I., Bauhus, J., Scherer-Lorenzen, M., 2010. The influence of mixed tree plantations on the nutrition of individual species: a review. Tree Physiol. 30, 1192–208.
Río, M. del, Schütze, G., Pretzsch, H., 2013. Temporal variation of competition and facilitation in mixed species forests in Central Europe. Plant Biol. 16, 166–176.
Rowell, D.P., Jones, R.G., 2006. Causes and uncertainty of future summer drying over Europe. Clim. Dyn. 27, 281–299.
Sala, O.E., 2000. Global Biodiversity Scenarios for the Year 2100. Science (80-. ). 287, 1770–1774.
Scherer-Lorenzen, M., 2014. The functional role of biodiversity in the context of global change, in: Coomes, D., Burslem, D., Simonson, W. (Eds.), Forests and Global Change.
Cambridge University Press, Cambridge, pp. 195–238.
Scherer-Lorenzen, M., Körner, C., Schulze, E.-D., 2005. Forest Diversity and Function.
Ecological Studies 176. Springer, Berlin.
Scherer-Lorenzen, M., Potvin, C., Koricheva, J., Schmid, B., Hector, A., Bornik, Z., Reynolds, G., Schulze, E.-D., 2005. The design of Experimental Tree Plantations for Functional Biodiversity Research, in: Scherer-Lorenzen, M., Körner, C., Schulze, E.-D.
(Eds.), Forest Diversity and Function – Temperate and Boreal Systems, Ecological Studies 176. Springer, Berlin, pp. 247–276.
Scherer-Lorenzen, M., Schulze, E., Don, A., Schumacher, J., Weller, E., 2007. Exploring the functional significance of forest diversity: A new long-term experiment with temperate tree species (BIOTREE). Perspect. Plant Ecol. Evol. Syst. 9, 53–70.
Schume, H., Jost, G., Hager, H., 2004. Soil water depletion and recharge patterns in mixed and pure forest stands of European beech and Norway spruce. J. Hydrol. 289, 258–274.
30
General Introduction Sperry, J., Hacke, U., Pittermann, J., 2006. Size and function in conifer tracheids and
angiosperm vessels. Am. J. Bot. 93, 1490–1500.
Sperry, J.S., Meinzer, F.C., McCulloh, K. a, 2008. Safety and efficiency conflicts in hydraulic architecture: scaling from tissues to trees. Plant. Cell Environ. 31, 632–645.
Stachowicz, J.J., Bruno, J.F., Duffy, J.E., 2007. Understanding the Effects of Marine Biodiversity on Communities and Ecosystems. Annu. Rev. Ecol. Evol. Syst. 38, 739–
766.
Steudel, B., Hector, A., Friedl, T., Löfke, C., Lorenz, M., Wesche, M., Kessler, M., Gessner, M., 2012. Biodiversity effects on ecosystem functioning change along environmental stress gradients. Ecol. Lett. 15, 1397–1405.
Sultan, S., 2000. Phenotypic plasticity for plant development, function and life history. Trends Plant Sci. 5, 537–542.
Szwagrzyk, J., Gazda, A., 2007. Aboveground standing biomass and tree species diversity in natural stands of Central Europe. J. Veg. Sci. 18, 555–562.
Thompson, I., Mackey, B., McNulty, S., Mosseler, A., 2009. Forest resilience, biodiversity, and climate change. A synthesis of the biodiversity/resilience/stability relationship in forest ecosystems. Secr. Conv. Biol. Divers. Montr. 43.
Tilman, D., Isbell, F., Cowles, J.M., 2014. Biodiversity and Ecosystem Functioning. Annu.
Rev. Ecol. Evol. Syst. 45, 471–493.
Tilman, D., Reich, P.B., Isbell, F., 2012. Biodiversity impacts ecosystem productivity as much as resources, disturbance, or herbivory. Proc. Natl. Acad. Sci. U. S. A. 109, 10394–10397.
Tilman, D., Wedin, D., Knops, J., 1996. Productivity and sustainability influenced by biodiversity in grassland ecosystems. Nature 379, 718–720.
Valladares, F., Gianoli, E., Gómez, J., 2007. Ecological limits to plant phenotypic plasticity.
New Phytol. 176, 749–763.
Vallet, P., Pérot, T., 2011. Silver fir stand productivity is enhanced when mixed with Norway spruce: Evidence based on large-scale inventory data and a generic modelling approach.
J. Veg. Sci. 22, 932–942.
Vandermeer, J., 1992. The Ecology of Intercropping, Cambridge. Univ. Press. Cambridge.
Verheyen, K., Ceunen, K., Ampoorter, E., Baeten, L., Bosman, B., Branquart, E., Carnol, M., De Wandeler, H., Grégoire, J.-C., Lhoir, P., Muys, B., Setiawan, N.N., Vanhellemont, M., Ponette, Q., 2013. Assessment of the functional role of tree diversity: the multi-site FORBIO experiment. Plant Ecol. Evol. 146, 26–35.
Vilà, M., Carrillo-Gavilán, A., Vayreda, J., Bugmann, H., Fridman, J., Grodzki, W., Haase, J., Kunstler, G., Schelhaas, M., Trasobares, A., 2013. Disentangling biodiversity and climatic determinants of wood production. PLoS One 8, e53530.
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CHAPTER 1
Yachi, S., Loreau, M., 1999. Biodiversity and ecosystem productivity in a fluctuating environment: the insurance hypothesis. Proc. Natl. Acad. Sci. 96, 1463–1468.
Zhang, Y., Chen, H.Y.H., Reich, P.B., 2012. Forest productivity increases with evenness, species richness and trait variation: a global meta-analysis. J. Ecol. 100, 742–749.
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