T. L. Arsuffi and K. Suberkropp, Selective Feeding by Stream Caddisfly (Trichoptera) Detritivores on Leaves with Fungal-Colonized Patches, Oikos, vol.45, issue.1, pp.50-58, 1985.
DOI : 10.2307/3565221

T. L. Arsuffi and K. Suberkropp, Effects of Fungal Mycelia and Enzymatically Degraded Leaves on Feeding and Performance of Caddisfly (Trichoptera) Larvae, Journal of the North American Benthological Society, vol.7, issue.3, pp.205-211, 1988.
DOI : 10.2307/1467420

T. L. Arsuffi and K. Suberkropp, Selective feeding by shredders on leaf-colonizing stream fungi: comparison of macroinvertebrate taxa, Oecologia, vol.36, issue.1, pp.30-37, 1989.
DOI : 10.1007/BF00378236

V. Baldy, M. O. Gessner, and E. Chauvet, Bacteria, Fungi and the Breakdown of Leaf Litter in a Large River, Oikos, vol.74, issue.1, pp.93-102, 1995.
DOI : 10.2307/3545678
URL : https://hal.archives-ouvertes.fr/hal-01296551

F. Bärlocher, Leaf Mass Loss Estimated by Litter Bag Technique, pp.37-42, 2005.
DOI : 10.1007/1-4020-3466-0_6

F. Bärlocher, Sporulation by Aquatic Hyphomycetes, pp.185-188, 2005.
DOI : 10.1007/1-4020-3466-0_24

F. Bärlocher and M. A. Graça, Exotic riparian vegetation lowers fungal diversity but not leaf decomposition in Portuguese streams, Freshwater Biology, vol.81, issue.6, pp.1123-1135, 2002.
DOI : 10.1046/j.1523-1739.1995.09040747.x

F. Bärlocher and B. Kendrick, Fungi in the Diet of Gammarus pseudolimnaeus (Amphipoda), Oikos, vol.24, issue.2, pp.295-300, 1973.
DOI : 10.2307/3543888

F. Bärlocher and B. Kendrick, Assimilation Efficiency of Gammarus pseudolimnaeus (Amphipoda) Feeding on Fungal Mycelium or Autumn-Shed Leaves, Oikos, vol.26, issue.1, pp.55-59, 1975.
DOI : 10.2307/3543277

S. H. Butchart, M. Walpole, B. Collen, A. Van-strien, J. P. Scharlemann et al., Global Biodiversity: Indicators of Recent Declines, Science, vol.328, issue.5982, p.1164, 2010.
DOI : 10.1126/science.1187512

C. Canhoto and M. A. Graça, Leaf Barriers to Fungal Colonization and Shredders ( Tipula lateralis ) Consumption of Decomposing Eucalyptus globulus, Microbial Ecology, vol.37, issue.3, pp.163-172, 1999.
DOI : 10.1007/s002489900140

J. Cebrian, Patterns in the Fate of Production in Plant Communities, The American Naturalist, vol.154, issue.4, pp.449-468, 1999.
DOI : 10.1086/303244

K. W. Cummins, M. A. Wilzbach, D. M. Gates, J. B. Perry, and W. B. Taliaferro, Shredders and Riparian Vegetation, BioScience, vol.39, issue.1, pp.24-30, 1989.
DOI : 10.2307/1310804

C. K. Dang, M. O. Gessner, and E. Chauvet, Influence of conidial traits and leaf structure on attachment success of aquatic hyphomycetes on leaf litter, Mycologia, vol.99, issue.1, pp.24-32, 2007.
DOI : 10.1080/15572536.2007.11832597
URL : https://hal.archives-ouvertes.fr/hal-01302323

J. Diamond, Assembly of species communities, Ecology and Evolution of Communities, pp.342-444, 1975.

S. Duarte, C. Pascoal, F. Cássio, and F. Bärlocher, Aquatic hyphomycete diversity and identity affect leaf litter decomposition in microcosms, Oecologia, vol.7, issue.4, pp.658-666, 2006.
DOI : 10.1007/s00442-005-0300-4

S. Enriquez, C. M. Duarte, and K. Sand-jensen, Patterns in decomposition rates among photosynthetic organisms: the importance of detritus C:N:P content, Oecologia, vol.74, issue.4, pp.457-471, 1993.
DOI : 10.1007/BF00566960

M. A. Evans-white, R. S. Stelzer, and G. A. Lamberti, Taxonomic and regional patterns in benthic macroinvertebrate elemental composition in streams, Freshwater Biology, vol.44, issue.11, pp.1786-1799, 2005.
DOI : 10.1046/j.1461-0248.2002.00314.x

R. J. Franken, B. Waluto, E. T. Peeters, J. J. Gardeniers, J. A. Beijer et al., Growth of shredders on leaf litter biofilms: the effect of light intensity, Freshwater Biology, vol.37, issue.3, pp.459-466, 2005.
DOI : 10.1046/j.1365-2427.2001.00720.x

M. O. Gessner and E. Chauvet, Ergosterol-to-biomass conversion factors for aquatic hyphomycetes, Applied and Environmental Microbiology, vol.59, pp.502-507, 1993.
URL : https://hal.archives-ouvertes.fr/hal-01494940

M. O. Gessner and E. Chauvet, Importance of Stream Microfungi in Controlling Breakdown Rates of Leaf Litter, Ecology, vol.75, issue.6, pp.1807-1817, 1994.
DOI : 10.2307/1939639

M. O. Gessner and A. L. Schmitt, Use of solid-phase extraction to determine ergosterol concentrations in plant tissue colonized by fungi, Applied and Environmental Microbiology, vol.62, pp.415-419, 1996.

M. O. Gessner, C. M. Swan, C. K. Dang, B. G. Mckie, R. D. Bardgett et al., Diversity meets decomposition, Trends in Ecology & Evolution, vol.25, issue.6, pp.372-380, 2010.
DOI : 10.1016/j.tree.2010.01.010

M. A. Graça, The Role of Invertebrates on Leaf Litter Decomposition in Streams - a Review, International Review of Hydrobiology, vol.24, issue.211, pp.383-393, 2001.
DOI : 10.1002/1522-2632(200107)86:4/5<383::AID-IROH383>3.0.CO;2-D

M. A. Graça, L. Maltby, and P. Calow, Importance of fungi in the diet of Gammarus pulex and Asellus aquaticus, Oecologia, vol.41, issue.189, pp.304-309, 1993.
DOI : 10.1007/BF00317498

M. A. Graça, L. Maltby, and P. Calow, Comparative ecology of Gammarus pulex (L.) and Asellus aquaticus (L.) II: fungal preferences, Hydrobiologia, vol.81, issue.3, pp.163-170, 1994.
DOI : 10.1007/BF00028679

V. Gulis, Are there any substrate preferences in aquatic hyphomycetes?, Mycological Research, vol.105, issue.9, pp.1088-1093, 2001.
DOI : 10.1016/S0953-7562(08)61971-1

S. Gü-sewell and M. O. Gessner, N??:??P ratios influence litter decomposition and colonization by fungi and bacteria in microcosms, Functional Ecology, vol.437, issue.1, pp.211-219, 2009.
DOI : 10.1111/j.1365-2435.2008.01478.x

G. Hardin, The Competitive Exclusion Principle, Science, vol.131, issue.3409, pp.1292-1297, 1960.
DOI : 10.1126/science.131.3409.1292

S. Hättenschwiler, A. V. Tiunov, and S. Scheu, Biodiversity and Litter Decomposition in Terrestrial Ecosystems, Annual Review of Ecology, Evolution, and Systematics, vol.36, issue.1, pp.191-218, 2005.
DOI : 10.1146/annurev.ecolsys.36.112904.151932

M. Hieber and M. O. Gessner, CONTRIBUTION OF STREAM DETRIVORES, FUNGI, AND BACTERIA TO LEAF BREAKDOWN BASED ON BIOMASS ESTIMATES, Ecology, vol.83, issue.4, pp.1026-1038, 2002.
DOI : 10.2307/1467795

S. Hladyz, M. O. Gessner, P. S. Giller, J. Pozo, and G. Woodward, Resource quality and stoichiometric constraints on stream ecosystem functioning, Freshwater Biology, vol.36, issue.5, pp.957-970, 2009.
DOI : 10.1111/j.1365-2427.2008.02138.x

V. Jensen, Decomposition of Angiosperm Tree Leaf Litter, pp.69-104, 1974.
DOI : 10.1016/B978-0-12-215001-2.50009-X

P. A. Keddy, Assembly and response rules: two goals for predictive community ecology, Journal of Vegetation Science, vol.119, issue.2, pp.157-164, 1992.
DOI : 10.2307/3235676

K. Kochi and T. Kagaya, Green leaves enhance the growth and development of a stream macroinvertebrate shredder when senescent leaves are available, Freshwater Biology, vol.77, issue.4, pp.656-667, 2005.
DOI : 10.1046/j.1442-9993.1999.01008.x

J. S. Kominoski, T. J. Hoellein, J. J. Kelly, and C. M. Pringle, Does mixing litter of different qualities alter stream microbial diversity and functioning on individual litter species? Oikos, pp.457-463, 2009.

J. S. Kominoski, T. J. Hoellein, C. J. Leroy, C. M. Pringle, and C. M. Swan, Beyond species richness: Expanding biodiversity-ecosystem functioning theory in detritus-based streams, River Research and Applications, vol.27, issue.1, pp.67-75, 2010.
DOI : 10.1002/rra.1285

J. S. Kominoski, L. B. Marczak, and J. S. Richardson, Riparian forest composition affects stream litter decomposition despite similar microbial and invertebrate communities, Ecology, vol.46, issue.1, pp.151-159, 2011.
DOI : 10.1023/B:HYDR.0000027734.95586.24

J. S. Kominoski and C. M. Pringle, Resource-consumer diversity: testing the effects of leaf litter species diversity on stream macroinvertebrate communities, Freshwater Biology, vol.33, issue.7, pp.1461-1473, 2009.
DOI : 10.1111/j.1365-2427.2009.02196.x

B. Laitung and E. Chauvet, Vegetation diversity increases species richness of leaf-decaying fungal communities in woodland streams, Archiv f??r Hydrobiologie, vol.164, issue.2, pp.217-235, 2005.
DOI : 10.1127/0003-9136/2005/0164-0217

A. Lecerf and E. Chauvet, Intraspecific variability in leaf traits strongly affects alder leaf decomposition in a stream, Basic and Applied Ecology, vol.9, issue.5, pp.598-605, 2008.
DOI : 10.1016/j.baae.2007.11.003
URL : https://hal.archives-ouvertes.fr/hal-01312780

A. Lecerf, M. Dobson, C. K. Dang, and E. Chauvet, Riparian plant species loss alters trophic dynamics in detritus-based stream ecosystems, Oecologia, vol.270, issue.3, pp.432-442, 2005.
DOI : 10.1007/s00442-005-0212-3
URL : https://hal.archives-ouvertes.fr/hal-01324954

A. Lecerf, G. Marie, J. S. 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

A. Lecerf and J. S. Richardson, Biodiversity-ecosystem function research: Insights gained from streams, River Research and Applications, vol.88, issue.1, pp.45-54, 2009.
DOI : 10.1002/rra.1286
URL : https://hal.archives-ouvertes.fr/hal-00426820

A. Lecerf, G. Risnoveanu, C. Popescu, M. O. Gessner, and E. Chauvet, DECOMPOSITION OF DIVERSE LITTER MIXTURES IN STREAMS, Ecology, vol.88, issue.1, pp.219-227, 2007.
DOI : 10.1111/j.0269-8463.2005.00926.x
URL : https://hal.archives-ouvertes.fr/hal-00306198

C. J. Leroy and J. C. Marks, Litter quality, stream characteristics and litter diversity influence decomposition rates and macroinvertebrates, Freshwater Biology, vol.22, issue.4, pp.605-617, 2006.
DOI : 10.1016/S0038-0717(01)00173-0

M. Loreau, S. Naeem, and P. Inchausti, Biodiversity and Ecosystem Functioning: Synthesis and Perspectives, 2002.

J. V. Mcarthur, J. M. Aho, R. B. Rader, and G. L. Mills, Interspecific Leaf Interactions during Decomposition in Aquatic and Floodplain Ecosystems, Journal of the North American Benthological Society, vol.13, issue.1, pp.57-67, 1994.
DOI : 10.2307/1467265

B. G. Mckie and B. Malmqvist, Assessing ecosystem functioning in streams affected by forest management: increased leaf decomposition occurs without changes to the composition of benthic assemblages, Freshwater Biology, vol.52, issue.10, pp.2086-2100, 2009.
DOI : 10.1111/j.1365-2427.2008.02150.x

K. B. Mctiernan, P. Ineson, and P. A. Coward, Respiration and Nutrient Release from Tree Leaf Litter Mixtures, Oikos, vol.78, issue.3, pp.527-538, 1997.
DOI : 10.2307/3545614

J. M. Melillo, J. D. Aber, and J. F. Muratore, Nitrogen and Lignin Control of Hardwood Leaf Litter Decomposition Dynamics, Ecology, vol.63, issue.3, pp.621-626, 1982.
DOI : 10.2307/1936780

S. Naeem, D. Bunker, and A. Hector, Biodiversity, Ecosystem Functioning, and Human Wellbeing: An Ecological and Economic Perspective, 2009.
DOI : 10.1093/acprof:oso/9780199547951.001.0001

S. Naeem, L. J. Thompson, S. P. Lawler, J. H. Lawton, and R. M. Woodfin, Declining biodiversity can alter the performance of ecosystems, Nature, vol.368, issue.6473, pp.734-737, 1994.
DOI : 10.1038/368734a0

M. L. Ostrofsky, Relationship between Chemical Characteristics of Autumn-Shed Leaves and Aquatic Processing Rates, Journal of the North American Benthological Society, vol.16, issue.4, pp.750-759, 1997.
DOI : 10.2307/1468168

I. Sanpera-calbet, A. Lecerf, and E. Chauvet, Leaf diversity influences in-stream litter decomposition through effects on shredders, Freshwater Biology, vol.17, issue.8, pp.1671-1682, 2009.
DOI : 10.1111/j.1365-2427.2009.02216.x
URL : https://hal.archives-ouvertes.fr/hal-00960747

M. Schädler and R. Brandl, Do invertebrate decomposers affect the disappearance rate of litter mixtures?, Soil Biology and Biochemistry, vol.37, issue.2, pp.329-337, 2005.
DOI : 10.1016/j.soilbio.2004.07.042

J. P. Schimel and S. Hättenschwiler, Nitrogen transfer between decomposing leaves of different N status, Soil Biology and Biochemistry, vol.39, issue.7, pp.1428-1436, 2007.
DOI : 10.1016/j.soilbio.2006.12.037

M. H. Schindler and M. O. Gessner, Functional leaf traits and biodiversity effects on litter decomposition in a stream, Ecology, vol.90, issue.6, pp.1641-1649, 2009.
DOI : 10.1890/04-1174

D. S. Srivastava, B. J. Cardinale, A. Downing, J. E. Duffy, C. Jouseau et al., Diversity has stronger top-down than bottom-up effects on decomposition, Ecology, vol.134, issue.4, pp.1073-1083, 2009.
DOI : 10.1016/S0038-0717(03)00118-4

K. Suberkropp, M. O. Gessner, and E. Chauvet, Comparison of ATP and ergosterol as indicators of fungal biomass associated with decomposing leaves in streams, Applied and Environmental Microbiology, vol.59, pp.3367-3372, 1993.
URL : https://hal.archives-ouvertes.fr/hal-01282648

K. Suberkropp, G. L. Godshalk, and M. J. Klug, Changes in the Chemical Composition of Leaves During Processing in a Woodland Stream, Ecology, vol.57, issue.4, pp.720-727, 1976.
DOI : 10.2307/1936185

C. M. Swan, M. A. Gluth, and C. L. Horne, Leaf litter species evenness influences nonadditive breakdown in a headwater stream, Ecology, vol.57, issue.6, pp.1650-1658, 2009.
DOI : 10.1890/0012-9658(2000)081[0887:BAEFIO]2.0.CO;2

C. M. Swan, B. Healey, and D. C. Richardson, The role of native riparian tree species in decomposition of invasive tree of heaven (Ailanthus altissima) leaf litter in an urban stream, Ecoscience, vol.6, issue.1, pp.27-35, 2008.
DOI : 1083-8155(2002)006[0271:SCASOR]2.0.CO;2

C. M. Swan and M. A. Palmer, Leaf diversity alters litter breakdown in a Piedmont stream, Journal of the North American Benthological Society, vol.23, issue.1, pp.15-28, 2004.
DOI : 10.1899/0887-3593(2004)023<0015:LDALBI>2.0.CO;2

C. M. Swan and M. A. Palmer, Composition of speciose leaf litter alters stream detritivore growth, feeding activity and leaf breakdown, Oecologia, vol.78, issue.Suppl, pp.469-478, 2006.
DOI : 10.1007/s00442-005-0297-8

C. M. Swan and M. A. Palmer, Preferential feeding by an aquatic consumer mediates non-additive decomposition of speciose leaf litter, Oecologia, vol.17, issue.1, pp.107-114, 2006.
DOI : 10.1007/s00442-006-0436-x

R. The and . Team, R: A Language and Environment for Statistical Computing. R foundation for Statistical computing, 2007.

D. Tilman, D. Wedin, and J. Knops, Productivity and sustainability influenced by biodiversity in grassland ecosystems, Nature, vol.379, issue.6567, pp.718-720, 1996.
DOI : 10.1038/379718a0

C. Treton, E. Chauvet, and J. Charcosset, Competitive Interaction between Two Aquatic Hyphomycete Species and Increase in Leaf Litter Breakdown, Microbial Ecology, vol.67, issue.3, pp.439-446, 2004.
DOI : 10.1007/s00248-003-0195-8
URL : https://hal.archives-ouvertes.fr/hal-00965479

H. B. Tukey, The Leaching of Substances from Plants, Annual Review of Plant Physiology, vol.21, issue.1, pp.305-324, 1970.
DOI : 10.1146/annurev.pp.21.060170.001513

J. B. Wallace, S. L. Eggert, J. L. Meyer, and J. R. Webster, Multiple Trophic Levels of a Forest Stream Linked to Terrestrial Litter Inputs, Science, vol.277, issue.5322, pp.102-104, 1997.
DOI : 10.1126/science.277.5322.102

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

J. R. Webster and E. F. Benfield, Vascular Plant Breakdown in Freshwater Ecosystems, Annual Review of Ecology and Systematics, vol.17, issue.1, pp.567-594, 1986.
DOI : 10.1146/annurev.es.17.110186.003031

M. R. Whiles and J. B. Wallace, Leaf litter decomposition and macroinvertebrate communities in headwater streams draining pine and hardwood catchments, Hydrobiologia, vol.353, issue.1/3, pp.107-119, 1997.
DOI : 10.1023/A:1003054827248