C. Aponte, L. V. García, and T. Mara~-n-on, Tree Species Effect on Litter Decomposition and Nutrient Release in Mediterranean Oak Forests Changes Over Time, Ecosystems, vol.63, issue.169, 2012.
DOI : 10.2307/1940104

A. T. Austin, L. Vivanco, A. Gonz-alez-arzac, and L. I. , There's no place like home? An exploration of the mechanisms behind plant litter-decomposer affinity in terrestrial ecosystems, New Phytologist, vol.6, issue.2, pp.307-314, 2014.
DOI : 10.1371/journal.pone.0021927

F. Barlecher and M. A. Graça, Total phenolics Methods to Study Litter Decomposition: a Practical Guide, 2005.

B. Berg, K. Hannus, T. Popoff, and O. Theander, Chemical components of Scots pine needles and needle litter and inhibition of fungal species by extractives, 391e400. In: Structure and Function of Northern Coniferous Forests. An Ecosystem Study Ecological Bulletins, pp.391-400, 1980.

G. Bonanomi, G. Incerti, V. Antignani, M. Capodilupo, and S. Mazzoleni, Decomposition and nutrient dynamics in mixed litter of Mediterranean species, Plant and Soil, vol.38, issue.1-2, pp.481-496, 2010.
DOI : 10.1007/s004420100740

G. Bonanomi, G. Incerti, M. Capodilupo, 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

R. Brossa, I. Casals, M. Pint-o-marijuan, and I. Fleck, Leaf flavonoid content in Quercus ilex L. resprouts and its seasonal variation, Trees, vol.5, issue.2, pp.401-408, 2009.
DOI : 10.1023/B:JOEC.0000042396.40756.b7

L. G. Bundy and J. J. Meisinger, Nitrogen availability indices Book series, Methods of Soil Analysis, Part 2 e Microbiological and Biochemical Properties, pp.951-954, 1994.

M. Burger and L. E. Jackson, Microbial immobilization of ammonium and nitrate in relation to ammonification and nitrification rates in organic and conventional cropping systems, Soil Biology and Biochemistry, vol.35, issue.1, pp.29-36, 2003.
DOI : 10.1016/S0038-0717(02)00233-X

B. A. Caldwell, Enzyme activities as a component of soil biodiversity: A review, Pedobiologia, vol.49, issue.6, pp.637-644, 2005.
DOI : 10.1016/j.pedobi.2005.06.003

E. Castells, J. Penuelas, and D. W. Valentine, Are phenolic compounds released from the Mediterranean shrub Cistus albidus responsible for changes in N cycling in siliceous and calcareous soils?, New Phytologist, vol.22, issue.1, pp.187-195, 2004.
DOI : 10.1016/0038-0717(93)90052-D

K. Chapman, J. B. Whittaker, and O. W. Heal, Metabolic and faunal activity in litters of tree mixtures compared with pure stands, Agriculture, Ecosystems & Environment, vol.24, issue.1-3, pp.33-40, 1988.
DOI : 10.1016/0167-8809(88)90054-0

S. K. Chapman and G. W. Koch, What type of diversity yields synergy during mixed litter decomposition in a natural forest ecosystem? Plant and Soil 299, pp.153-162, 2007.

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, 2013.
DOI : 10.1371/journal.pone.0062671.t002

M. Chomel, C. Fernandez, A. Bousquet-m-elou, C. Gers, Y. Monnier et al., alter decomposer organisms and litter decomposition during afforestation of abandoned agricultural zones, Journal of Ecology, vol.580, issue.2, pp.411-424, 2014.
DOI : 10.1016/j.febslet.2005.12.009

URL : https://hal.archives-ouvertes.fr/hal-01756425

M. Chomel, M. Guitonny-larch^-eque, A. Desrochers, and V. Baldy, Home Field Advantage of Litter Decomposition in Pure and Mixed Plantations Under Boreal Climate, Ecosystems, vol.79, issue.6, 2015.
DOI : 10.2307/3546010

URL : https://hal.archives-ouvertes.fr/hal-01444839

S. Criquet, Measurement and characterization of cellulase activity in sclerophyllous forest litter, Journal of Microbiological Methods, vol.50, issue.2, pp.165-173, 2002.
DOI : 10.1016/S0167-7012(02)00028-3

D. Marco, A. Meola, A. Maisto, G. Giordano, M. Virzo-de-santo et al., Non-additive effects of litter mixtures on decomposition of leaf litters in a Mediterranean maquis, Plant and Soil, vol.79, issue.1-2, pp.305-317, 2011.
DOI : 10.2307/3546010

D. Oliveira, T. H?-attenschwiler, S. Handa, and I. T. , Snail and millipede complementarity in decomposing Mediterranean forest leaf litter mixtures, Functional Ecology, vol.19, issue.4, pp.937-946, 2010.
DOI : 10.1016/B978-0-12-395699-6.50017-1

T. Dob, T. Berramdane, and C. Chelgoum, Chemical composition of essential oil of Pinus halepensis Miller growing in Algeria, Comptes Rendus Chimie, vol.8, issue.11-12, 2005.
DOI : 10.1016/j.crci.2005.05.007

S. Dray, D. Chessel, and J. Thioulouse, CO-INERTIA ANALYSIS AND THE LINKING OF ECOLOGICAL DATA TABLES, Ecology, vol.84, issue.11, pp.3078-3089, 2003.
DOI : 10.1046/j.1365-2427.2000.00523.x

C. Fernandez, M. Santonja, R. Gros, Y. Monnier, M. Chomel et al., Allelochemicals of Pinus halepensis as Drivers of Biodiversity in Mediterranean Open Mosaic Habitats During the Colonization Stage of Secondary Succession, Journal of Chemical Ecology, vol.30, issue.2, pp.298-311, 2013.
DOI : 10.1016/S0040-4020(02)00052-2

N. Fierer, J. P. Schimel, R. G. Cates, and J. Zou, Influence of balsam poplar tannin fractions on carbon and nitrogen dynamics in Alaskan taiga floodplain soils, Soil Biology and Biochemistry, vol.33, issue.12-13, 2001.
DOI : 10.1016/S0038-0717(01)00111-0

A. Fioretto, A. Musacchio, G. Andolfi, D. Santo, and A. V. , Decomposition dynamics of litters of various pine species in a Corsican pine forest, Soil Biology and Biochemistry, vol.30, issue.6, pp.721-727, 1998.
DOI : 10.1016/S0038-0717(97)00182-X

O. Folin and W. Denis, A colorimetric method for the determination of phenols (and phenol derivatives) in urine, Journal of Biological Chemistry, vol.22, pp.305-308, 1915.

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

R. Gu-enon, M. Vennetier, A. Pailler, N. Dupuy, S. Roussos et al., Trends in recovery of Mediterranean soil chemical properties and microbial activities after infrequent and frequent wildfires, pp.115-128, 2013.

S. H?-attenschwiler and P. Vitousek, The role of polyphenols in terrestrial ecosystem nutrient cycling, Trends in Ecology & Evolution, vol.15, issue.6, pp.238-243, 2000.
DOI : 10.1016/S0169-5347(00)01861-9

S. E. Hobbie, Effects of plant species on nutrient cycling, Trends in Ecology & Evolution, vol.7, issue.10, pp.336-339, 1992.
DOI : 10.1016/0169-5347(92)90126-V

B. L. Keeler, S. E. Hobbie, and L. E. Kellogg, Effects of Long-Term Nitrogen Addition on Microbial Enzyme Activity in Eight Forested and Grassland Sites: Implications for Litter and Soil Organic Matter Decomposition, Ecosystems, vol.154, issue.1, pp.1-15, 2009.
DOI : 10.1007/BF00002772

A. T. Kuiters, Role of phenolic substances from decomposing forest litter in plantesoil interactions, 1990.

A. Lecerf, G. Marie, G. Kominoski, C. J. Leroy, C. Bernadet et al., Incubation time, functional litter diversity, and habitat characteristics predict litter-mixing effects on decomposition, Ecology, vol.92, issue.1, pp.160-169, 2011.
DOI : 10.2307/3546010

J. W. Leff and N. Fierer, Volatile organic compound (VOC) emissions from soil and litter samples, Soil Biology and Biochemistry, vol.40, issue.7, 2008.
DOI : 10.1016/j.soilbio.2008.01.018

J. Llusi-a and J. Pe~-nuelas, Pinus halepensis and Quercus ilex terpene emission as affected by temperature and humidity, Biologia Plantarum, vol.42, issue.2, pp.317-320, 1999.
DOI : 10.1023/A:1002185324152

G. Maisto, D. Marco, A. Meola, A. Sessa, L. Virzo-de-santo et al., Nutrient dynamics in litter mixtures of four Mediterranean maquis species decomposing in situ, Soil Biology and Biochemistry, vol.43, issue.3, pp.520-530, 2011.
DOI : 10.1016/j.soilbio.2010.11.017

M. Nelson, Photometric adaptation of Somogyi method for determination of glucose, Journal of Biological Chemistry, vol.153, pp.375-380, 1944.

E. Orme~-no, V. Baldy, C. Ballini, and C. Fernandez, Production and diversity of volatile terpenes from plants on calcareous and siliceous soils: effect of soil nutrients, Journal of Chemical Ecology, vol.34, 2008.

A. Paquette and C. Messier, The effect of biodiversity on tree productivity: from temperate to boreal forests, Global Ecology and Biogeography, vol.6, issue.1, pp.170-180, 2011.
DOI : 10.1007/s00442-003-1182-y

J. A. Parrotta, Productivity, nutrient cycling, and succession in single- and mixed-species plantations of Casuarina equisetifolia, Eucalyptus robusta, and Leucaena leucocephala in Puerto Rico, Forest Ecology and Management, vol.124, issue.1, pp.45-77, 1999.
DOI : 10.1016/S0378-1127(99)00049-3

J. G. Pausas, C. Blade, A. Valdecantos, J. P. Seva, D. Fuentes et al., Pines and oaks in the restoration of Mediterranean landscapes of Spain: New perspectives for an old practice ??? a review, Plant Ecology (formerly Vegetatio), vol.171, issue.1/2, pp.209-220, 2004.
DOI : 10.1023/B:VEGE.0000029381.63336.20

R. Development and C. Team, R: A language and environment for statistical computing. R Foundation for Statistical Computing, 2007.

S. Royer-tardif, R. L. Bradley, and W. F. Parsons, Evidence that plant diversity and site productivity confer stability to forest floor microbial biomass, Soil Biology and Biochemistry, vol.42, issue.5, pp.813-821, 2010.
DOI : 10.1016/j.soilbio.2010.01.018

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, 2002.
DOI : 10.1016/S0038-0717(02)00074-3

S. Anchez-monedero, M. A. Mondini, C. Cayuela, M. L. Roig, A. Contin et al., Fluorescein diacetate hydrolysis, respiration and microbial biomass in freshly amended soils, Biology and Fertility of Soils, vol.44, pp.855-890, 2008.

M. Santonja, V. Baldy, C. Fernandez, J. Balesdent, and T. Gauquelin, Potential Shift in Plant Communities with Climate Change: Outcome on Litter Decomposition and Nutrient Release in a Mediterranean Oak Forest, Ecosystems, vol.35, issue.4, 2015.
DOI : 10.1016/S0038-0717(03)00118-4

URL : https://hal.archives-ouvertes.fr/hal-01359605

E. Sheffer, A review of the development of Mediterranean pine???oak ecosystems after land abandonment and afforestation: are they novel ecosystems?, Annals of Forest Science, vol.41, issue.74, pp.429-443, 2012.
DOI : 10.1139/x11-050

URL : https://hal.archives-ouvertes.fr/hal-00930753

E. Sheffer, C. D. Canham, J. Kigel, and A. Perevolotsky, Countervailing effects on pine and oak leaf litter decomposition in human-altered Mediterranean ecosystems, Oecologia, vol.12, issue.11, 2015.
DOI : 10.1111/j.1461-0248.2008.01259.x

J. P. Schimel and S. M. Schaeffer, Microbial control over carbon cycling in soil, Frontiers in Microbiology, vol.3, 2012.
DOI : 10.3389/fmicb.2012.00348

URL : http://journal.frontiersin.org/article/10.3389/fmicb.2012.00348/pdf

J. Schnüner and T. Rosswall, Fluoresceine diacetate hydrolysis as a measure of total microbial activity in soil and litter, Applied and Environmental Microbiology, vol.43, 1982.

R. L. Sinsabaugh, M. M. Carreiro, and D. A. Repert, Allocation of extracellular enzymatic activity in relation to litter composition, N deposition, and mass loss, Biogeochemistry, vol.60, issue.1, pp.1-24, 2002.
DOI : 10.1023/A:1016541114786

R. M. Sj?-oberg and T. Persson, Turnover of carbon and nitrogen in coniferous forest soils of different N-status and under different 15NH4???N application rate, Environmental Pollution, vol.102, issue.1, pp.385-393, 1998.
DOI : 10.1016/S0269-7491(98)80058-4

A. Smolander, R. A. Ketola, T. Kotiaho, S. Kanerva, K. Suominen et al., Volatile monoterpenes in soil atmosphere under birch and conifers: Effects on soil N transformations, Soil Biology and Biochemistry, vol.38, issue.12, pp.3436-3442, 2006.
DOI : 10.1016/j.soilbio.2006.05.019

M. Somogyi, A new reagent for determination of sugars, Journal of Biological Chemistry, vol.160, p.61, 1945.

F. Song, X. Fan, and R. Song, Review of mixed forest litter decomposition researches, Acta Ecologica Sinica, vol.30, issue.4, pp.221-225, 2010.
DOI : 10.1016/j.chnaes.2010.06.006

F. Spinelli, A. Cellini, L. Marchetti, K. M. Nagesh, and C. Piovene, Emission and Function of Volatile Organic Compounds in Response to Abiotic Stress, Abiotic Stress in Plants -Mechanisms and Adaptations, 2011.

J. Thioulouse, Y. Prin, and R. Duponnois, Multivariate analyses in soil microbial ecology: a new paradigm, Environmental and Ecological Statistics, vol.29, issue.2, pp.499-520, 2012.
DOI : 10.1007/s003740050533

M. Vil-a, J. Vayreda, C. Gracia, and J. J. Ib-a~-nez, Does tree diversity increase wood production in pine forests? Oecologia 135, pp.299-303, 2003.

M. Vil-a, J. Vayreda, L. Comas, J. J. Ib-a~-nez, 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

V. C. Vos, J. Van-ruijven, M. P. Berg, E. T. Peeters, and F. Berendse, Leaf litter quality drives litter mixing effects through complementary resource use among detritivores, Oecologia, vol.69, issue.1, pp.269-280, 2013.
DOI : 10.1046/j.1365-2656.2000.00463.x

D. A. Wardle, K. I. Bonner, and K. S. Nicholson, Biodiversity and Plant Litter: Experimental Evidence Which Does Not Support the View That Enhanced Species Richness Improves Ecosystem Function, Oikos, vol.79, issue.2, pp.247-258, 1997.
DOI : 10.2307/3546010

D. A. Wardle, G. W. Yeates, G. M. Barker, and K. I. Bonner, The influence of plant litter diversity on decomposer abundance and diversity, Soil Biology and Biochemistry, vol.38, issue.5, 2006.
DOI : 10.1016/j.soilbio.2005.09.003

K. Wickings, S. A. Grandy, S. C. Reed, and C. C. Cleveland, The origin of litter chemical complexity during decomposition, Ecology Letters, vol.104, issue.10, 2012.
DOI : 10.1007/s10533-010-9510-x

C. S. White, Nitrification inhibition by monoterpenoids e theoritical mode of action based on molecular structure, Ecology, vol.69, 1988.

C. S. White, Monoterpenes: Their effects on ecosystem nutrient cycling, Journal of Chemical Ecology, vol.93, issue.6, 1994.
DOI : 10.1042/bj2270719

N. Wurzburger and R. L. Hendrick, Rhododendron thickets alter N cycling and soil extracellular enzyme activities in southern Appalachian hardwood forests, Pedobiologia, vol.50, issue.6, pp.563-576, 2007.
DOI : 10.1016/j.pedobi.2006.10.001

N. Wurzburger and R. L. Hendrick, Plant litter chemistry and mycorrhizal roots promote a nitrogen feedback in a temperate forest, Journal of Ecology, vol.88, issue.3, pp.528-536, 2009.
DOI : 10.1007/978-1-4612-3732-7_3

J. C. Yuste, J. Barba, A. J. Fernandez-gonzalez, M. Fernandez-lopez, S. Mattana et al., Changes in soil bacterial community triggered by drought-induced gap succession preceded changes in soil C stocks and quality, Ecology and Evolution, vol.1, issue.3, pp.3016-3031, 2012.
DOI : 10.1163/156854199508298