T. Anderson, Microbial eco-physiological indicators to asses soil quality, Agriculture, Ecosystems & Environment, vol.98, issue.1-3, pp.285-293, 2003.
DOI : 10.1016/S0167-8809(03)00088-4

J. P. Anderson and K. H. Domsch, A physiological method for the quantitative measurement of microbial biomass in soils, Soil Biology and Biochemistry, vol.10, issue.3, pp.215-221, 1978.
DOI : 10.1016/0038-0717(78)90099-8

J. Baldock and C. M. Preston, Chemistry of Carbon Decomposition Processes in Forests as Revealed by Solid-state 13C NMR, pp.89-117, 1995.

M. H. Beare, C. L. Neely, D. C. Coleman, and W. L. Hargrove, A substrate-induced respiration (SIR) method for measurement of fungal and bacterial biomass on plant residues, Soil Biology and Biochemistry, vol.22, issue.5, pp.585-5940038, 1990.
DOI : 10.1016/0038-0717(90)90002-H

S. Blagodatsky and O. Richter, Microbial growth in soil and nitrogen turnover: a theoretical model considering the activity state of microorganisms, Soil Biology and Biochemistry, vol.30, issue.13, pp.1743-1755, 1998.
DOI : 10.1016/S0038-0717(98)00028-5

G. R. Blake and K. H. Hartge, Particle Density. Methods Soil Anal. Part 1?Physical Mineral, Methods. sssabookseries, pp.377-382, 1986.

G. Bonanomi, M. Capodilupo, G. Incerti, and S. Mazzoleni, Nitrogen transfer in litter mixture enhances decomposition rate, temperature sensitivity, and C quality changes, Plant and Soil, vol.12, issue.1-2, pp.307-321, 2014.
DOI : 10.1111/j.1461-0248.2008.01259.x

K. P. Burnham and D. R. Anderson, Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach, 2002.
DOI : 10.1007/b97636

S. Cesarz, A. C. Fender, F. Beyer, K. Valtanen, B. Pfeiffer et al., Roots from beech (Fagus sylvatica L.) and ash (Fraxinus excelsior L.) differentially affect soil microorganisms and carbon dynamics, Soil Biology and Biochemistry, vol.61, pp.23-32, 2013.
DOI : 10.1016/j.soilbio.2013.02.003

S. K. Chapman and G. S. Newman, Biodiversity at the plant???soil interface: microbial abundance and community structure respond to litter mixing, Oecologia, vol.29, issue.3, pp.763-769, 2010.
DOI : 10.1007/s004420100780

S. K. Chapman, G. S. Newman, S. C. Hart, J. A. Schweitzer, and G. W. Koch, Leaf Litter Mixtures Alter Microbial Community Development: Mechanisms for Non-Additive Effects in Litter Decomposition, PLoS ONE, vol.27, issue.4, pp.1-9, 2013.
DOI : 10.1371/journal.pone.0062671.t002

R. L. Cook, C. H. Langford, R. Yamdagni, and C. M. Preston, C NMR Procedure for the Study of Humic Materials, Analytical Chemistry, vol.68, issue.22, pp.3979-3986, 1996.
DOI : 10.1021/ac960403a

A. Cuchietti, E. Marcotti, D. E. Gurvich, A. M. Cingolani, P. Harguindeguy et al., Leaf litter mixtures and neighbour effects: Low-nitrogen and high-lignin species increase decomposition rate of high-nitrogen and low-lignin neighbours, Applied Soil Ecology, vol.82, pp.44-51, 2014.
DOI : 10.1016/j.apsoil.2014.05.004

J. Dhôte, Implication of forest diversity in resistance to strong winds Forest Diversity and Function, Ecological Studies, pp.291-307, 2005.

A. M. Farnet, L. Qasemian, D. Guiral, and E. Ferré, A modified method based on arsenomolybdate complex to quantify cellulase activities: Application to litters, Pedobiologia, vol.53, issue.2, pp.159-160, 2010.
DOI : 10.1016/j.pedobi.2009.09.001

J. L. Garland and A. L. Mills, Classification and characterization of heterotrophic microbial communities on the basis of patterns of community-level sole-carbon-source utilization, Appl. Environ. Microbiol, vol.57, pp.2351-2359, 1991.

T. B. Gartner and Z. G. Cardon, Decomposition dynamics in mixed-species leaf litter, Oikos, vol.34, issue.169, pp.230-246, 2004.
DOI : 10.1016/S0038-0717(01)00173-0

G. Gerbaud, F. Ziarelli, and S. Caldarelli, Increasing the robustness of heteronuclear decoupling in magic-angle sample spinning solid-state NMR, Chemical Physics Letters, vol.377, issue.1-2, pp.1-5, 2003.
DOI : 10.1016/S0009-2614(03)01056-X

L. Goujard, P. Villeneuve, B. Barea, J. Lecomte, M. Pina et al., A spectrophotometric transesterification-based assay for lipases in organic solvent, Analytical Biochemistry, vol.385, issue.1, pp.161-167, 2009.
DOI : 10.1016/j.ab.2008.10.025

K. A. Haubensak, S. C. Hart, and J. M. Stark, Influences of chloroform exposure time and soil water content on C and N release in forest soils, Soil Biology and Biochemistry, vol.34, issue.11, pp.1549-1562, 2002.
DOI : 10.1016/S0038-0717(02)00124-4

D. L. Hernández and S. E. Hobbie, The effects of substrate composition, quantity, and diversity on microbial activity, Plant and Soil, vol.154, issue.1-2, pp.397-411, 2010.
DOI : 10.1007/s11104-010-0428-9

P. Iovieno, A. Alfani, and E. Bååth, Soil microbial community structure and biomass as affected by Pinus pinea plantation in two Mediterranean areas, Applied Soil Ecology, vol.45, issue.1, pp.56-63, 2010.
DOI : 10.1016/j.apsoil.2010.02.001

Y. Jiang, C. Chen, Z. Xu, and Y. Liu, Effects of single and mixed species forest ecosystems on diversity and function of soil microbial community in subtropical China, Journal of Soils and Sediments, vol.297, issue.2, pp.228-240, 2011.
DOI : 10.1007/s11104-007-9334-1

Ö. Kara, ?. Bolat, K. Çak?ro?lu, and M. Öztürk, Plant canopy effects on litter accumulation and soil microbial biomass in two temperate forests, Biology and Fertility of Soils, vol.123, issue.169, pp.193-198, 2008.
DOI : 10.1017/S1464793105006846

R. Khiewtam and P. Ramakrishnan, Litter and fine root dynamics of a relict sacred grove forest at Cherrapunji in north-eastern India, Forest Ecology and Management, vol.60, issue.3-4, pp.327-344, 1993.
DOI : 10.1016/0378-1127(93)90087-4

J. S. Kominoski, C. M. Pringle, B. A. Ball, M. A. Bradford, D. C. Coleman et al., NONADDITIVE EFFECTS OF LEAF LITTER SPECIES DIVERSITY ON BREAKDOWN DYNAMICS IN A DETRITUS-BASED STREAM, Ecology, vol.88, issue.5, pp.1167-1176, 2007.
DOI : 10.2307/1467795

J. Ladd and J. Butler, Short-term assays of soil proteolytic enzyme activities using proteins and dipeptide derivatives as substrates, Soil Biology and Biochemistry, vol.4, issue.1, pp.19-30, 1972.
DOI : 10.1016/0038-0717(72)90038-7

J. Laganière, D. Paré, and R. L. Bradley, Linking the abundance of aspen with soil faunal communities and rates of belowground processes within single stands of mixed aspen???black spruce, Applied Soil Ecology, vol.41, issue.1, pp.19-28, 2009.
DOI : 10.1016/j.apsoil.2008.08.005

C. Liu, C. Westman, and H. Ilvesniemi, Matter and nutrient dynamics of pine (Pinus tabulaeformis) and oak (Quercus variabilis) litter in North China, Silva Fennica, vol.35, issue.1, 2001.
DOI : 10.14214/sf.599

M. E. Lucas-borja, D. Candel, K. Jindo, J. L. Moreno, M. Andrés et al., Soil microbial community structure and activity in monospecific and mixed forest stands, under Mediterranean humid conditions, Plant and Soil, vol.19, issue.2, pp.359-370, 2011.
DOI : 10.1007/BF00336146

N. Lust, B. Muys, and L. Nachtergale, Increase of biodiversity in homogeneous Scots pine stands by an ecologically diversified management, Biodiversity and Conservation, vol.7, issue.2, pp.249-260, 1998.
DOI : 10.1023/A:1008892620387

D. Massiot, F. Fayon, M. Capron, I. King, S. Le-calve et al., Modelling one- and two-dimensional solid-state NMR spectra, Magnetic Resonance in Chemistry, vol.320, issue.1, pp.70-76, 2002.
DOI : 10.1016/S0009-2614(00)00277-3

N. J. Mathers and Z. Xu, Solid-state 13C NMR spectroscopy: characterization of soil organic matter under two contrasting residue management regimes in a 2-year-old pine plantation of subtropical Australia, Geoderma, vol.114, issue.1-2, pp.19-31, 2003.
DOI : 10.1016/S0016-7061(02)00339-7

E. S. Matos, D. Freese, A. Slazak, U. Bachmann, M. Veste et al., Organic-carbon and nitrogen stocks and organic-carbon fractions in soil under mixed pine and oak forest stands of different ages in NE Germany, Journal of Plant Nutrition and Soil Science, vol.255, issue.5, pp.654-661, 2010.
DOI : 10.1002/jpln.200900046

C. L. Meier and W. D. Bowman, Chemical composition and diversity influence non-additive effects of litter mixtures on soil carbon and nitrogen cycling: Implications for plant species loss, Soil Biology and Biochemistry, vol.42, issue.9, pp.1447-1454, 2010.
DOI : 10.1016/j.soilbio.2010.05.005

A. Pailler, M. Vennetier, F. Torre, C. Ripert, and D. Guiral, Forest soil microbial functional patterns and response to a drought and warming event: Key role of climate???plant???soil interactions at a regional scale, Soil Biology and Biochemistry, vol.70, pp.1-4, 2014.
DOI : 10.1016/j.soilbio.2013.12.003
URL : https://hal.archives-ouvertes.fr/hal-00991404

M. Pautasso, O. Holdenrieder, and J. Stenlid, Susceptibility to Fungal Pathogens of Forests Differing in Tree Diversity, Forest Diversity and Function. Ecological Studies, pp.263-289, 2005.
DOI : 10.1007/3-540-26599-6_13

O. B. Peersen, X. L. Wu, I. Kustanovich, and S. O. Smith, Variable-Amplitude Cross-Polarization MAS NMR, Journal of Magnetic Resonance, Series A, vol.104, issue.3, pp.334-339, 1993.
DOI : 10.1006/jmra.1993.1231

H. J. Percival, R. L. Parfitt, and N. A. Scott, Factors Controlling Soil Carbon Levels in New Zealand Grasslands, Soil Science Society of America Journal, vol.64, issue.5, p.1623, 2000.
DOI : 10.2136/sssaj2000.6451623x

M. Poca, M. V. Vaieretti, A. M. Cingolani, and N. Pérez-harguindeguy, Scaling-up from species to ecosystems: How close can we get to actual decomposition?, Acta Oecologica, vol.64, pp.1-9, 2015.
DOI : 10.1016/j.actao.2015.02.005

O. Polyakova and N. Billor, Impact of deciduous tree species on litterfall quality, decomposition rates and nutrient circulation in pine stands, Forest Ecology and Management, vol.253, issue.1-3, pp.11-18, 2007.
DOI : 10.1016/j.foreco.2007.06.049

A. Pons and P. Quézel, ?? propos de la mise en place du climat m??diterran??en, Comptes Rendus de l'Acad??mie des Sciences - Series IIA - Earth and Planetary Science, vol.327, issue.11, pp.755-760, 1998.
DOI : 10.1016/S1251-8050(99)80047-0

C. E. Prescott and S. J. Grayston, Tree species influence on microbial communities in litter and soil: Current knowledge and research needs, Forest Ecology and Management, vol.309, pp.19-27, 2013.
DOI : 10.1016/j.foreco.2013.02.034

P. Quézel and F. Médail, Ecologie et biogéographie des forêts du bassin méditérranéen, 2004.

G. Rodriguez-loinaz, M. Onaindia, I. Amezaga, I. Mijangos, and C. Garbisu, Relationship between vegetation diversity and soil functional diversity in native mixed-oak forests, Soil Biology and Biochemistry, vol.40, issue.1, pp.49-60, 2008.
DOI : 10.1016/j.soilbio.2007.04.015

P. F. Römkens and J. Dolfing, Effect of Ca on the Solubility and Molecular Size Distribution of DOC and Cu Binding in Soil Solution Samples, Environmental Science & Technology, vol.32, issue.3, pp.363-369, 1998.
DOI : 10.1021/es970437f

J. Rousk, E. Baath, P. C. Brookes, C. L. Lauber, C. Lozupone et al., Soil bacterial and fungal communities across a pH gradient in an arable soil, The ISME Journal, vol.61, issue.10, pp.1340-1351, 2010.
DOI : 10.1016/0168-1605(91)90063-U

K. Saiya-cork, R. Sinsabaugh, and D. Zak, The effects of long term nitrogen deposition on extracellular enzyme activity in an Acer saccharum forest soil, Soil Biology and Biochemistry, vol.34, issue.9, pp.1309-1315, 2002.
DOI : 10.1016/S0038-0717(02)00074-3

T. Sariyildiz, A. Tüfekçio?lu, and M. Küçük, Comparison of decomposition rates of beech (Fagus orientalis Lipsky) and spruce (Picea orientalis (L.) Link) litter in pure and mixed stands of both species in Artvin, Turkey. Turk. J. Agric. For, vol.29, pp.429-438, 2005.

J. Schaefer and E. Stejskal, Carbon-13 nuclear magnetic resonance of polymers spinning at the magic angle, Journal of the American Chemical Society, vol.98, issue.4, pp.1031-1032, 1976.
DOI : 10.1021/ja00420a036

A. Scheibe, C. Steffens, J. Seven, A. Jacob, D. Hertel et al., Effects of tree identity dominate over tree diversity on the soil microbial community structure, Soil Biology and Biochemistry, vol.81, pp.219-227, 2015.
DOI : 10.1016/j.soilbio.2014.11.020

C. Sherman and Y. Steinberger, Microbial Functional Diversity Associated with Plant Litter Decomposition Along a Climatic Gradient, Microbial Ecology, vol.26, issue.2, pp.399-415, 2012.
DOI : 10.1016/0038-0717(94)90131-7

A. Tardif, B. Shipley, J. M. Bloor, and J. Soussana, Can the biomass-ratio hypothesis predict mixed-species litter decomposition along a climatic gradient?, Annals of Botany, vol.1, issue.2, pp.843-850, 2014.
DOI : 10.1093/jpe/rtn002

T. Tatoni and P. Roche, Comparison of old-field and forest revegetation dynamics in Provence, Journal of Vegetation Science, vol.12, issue.3, pp.295-302, 1994.
DOI : 10.1093/icb/10.1.17
URL : https://hal.archives-ouvertes.fr/hal-00687141

B. Van-wesemael and M. A. Veer, Soil organic matter accumulation, litter decomposition and humus forms under mediterranean-type forests in southern Tuscany, Italy, Journal of Soil Science, vol.53, issue.1, pp.133-144, 1992.
DOI : 10.1007/978-3-642-68935-2_12

M. Vilà, J. Vayreda, L. Comas, J. J. Ibáñez, T. Mata et al., Species richness and wood production: a positive association in Mediterranean forests, Ecology Letters, vol.84, issue.3, pp.241-250, 2007.
DOI : 10.1034/j.1600-0706.2000.890102.x

C. Wirth, Fire Regime and Tree Diversity in Boreal Forests: Implications for the Carbon Cycle, Forest Diversity and Function. Ecological Studies, pp.309-344, 2005.
DOI : 10.1007/3-540-26599-6_15

Y. Xiao, Z. Huang, and X. Lu, Changes of soil labile organic carbon fractions and their relation to soil microbial characteristics in four typical wetlands of Sanjiang Plain, Northeast China, Ecological Engineering, vol.82, pp.381-389, 2015.
DOI : 10.1016/j.ecoleng.2015.05.015

W. Zech, F. Ziegler, I. Kögel-knabner, and L. Haumaier, Advances in Humic Substances Research Humic substances distribution and transformation in forest soils, Sci. Total Environ, vol.11792, pp.155-1740048, 1992.