R. Aerts, B. Wallen, and N. Maimer, Growth-Limiting Nutrients in Sphagnum-Dominated Bogs Subject to Low and High Atmospheric Nitrogen Supply, The Journal of Ecology, vol.80, issue.1, pp.131-171, 1992.
DOI : 10.2307/2261070

R. Andersson, P. Kuhry, P. Meyers, Y. Zebühr, P. Crill et al., Impacts of paleohydrological changes on n-alkane biomarker compositions of a Holocene peat sequence in the eastern European Russian Arctic, Organic Geochemistry, vol.42, issue.9, pp.1065-1075, 2011.
DOI : 10.1016/j.orggeochem.2011.06.020

M. Baas, R. D. Pancost, . Van, B. Geel, and J. S. Sinninghe-damsté, A comparative study of lipids in Sphagnum species, Organic Geochemistry, vol.31, issue.6, pp.535-541, 2000.
DOI : 10.1016/S0146-6380(00)00037-1

F. Berendse, M. Schmitz, and V. Isser, Experimental manipulation of succession in 505 heathland ecosystems, Oecologia, vol.100, pp.38-44, 1994.

G. Bianchi and R. J. Hamilton, Plant waxes Waxes: Chemistry, molecular 507 biology and functions, pp.175-222, 1995.

S. Binet, S. Gogo, and F. Laggoun-défarge, A water-table dependent reservoir model to 509 investigate the effect of drought and vascular plant invasion on peatland hydrology, p.510, 2013.

R. Bobbink and L. P. Lamers, Effect of increased nitrogen deposition. Air Pollution and 512, 2002.

D. Boeye, B. Vehagen, V. Van-haesebroeck, and E. Mohssine, Phosphorus fertilization in a phosphorus-limited fen: effects of timing, Applied Vegetation Science, vol.79, issue.1, pp.71-78, 1999.
DOI : 10.2307/1478883

L. Comont, F. Laggoun-défarge, and J. R. Disnar, Evolution of organic matter indicators 520 in response to major environmental changes: The case of a formerly cut-over peat bog, 2006.

. Russey, Jura Mountains, France), Organic Geochemistry, vol.37, pp.1736-1751

P. A. Cranwell, Organic geochemistry of lacustrine sediments: triterpenoids of higher 523 plant origin reflecting post-glacial vegetational successionLakes sediments and 524 environmental History, p.525, 1984.

T. I. Eglinton and G. Eglinton, Molecular proxies for paleoclimatology. Earth and 527 Planetary Science Letters, pp.1-16, 2008.
DOI : 10.1016/j.epsl.2008.07.012

R. Ekman, Ehrh., Holzforschung, vol.37, issue.4, pp.205-211, 1983.
DOI : 10.1515/hfsg.1983.37.4.205

K. J. Ficken, B. Li, D. L. Swain, and G. Eglinton, An n-alkane proxy for the sedimentary input of submerged/floating freshwater aquatic macrophytes, Organic Geochemistry, vol.31, issue.7-8, pp.745-749, 2000.
DOI : 10.1016/S0146-6380(00)00081-4

C. Gimingham, Ecology of heathlands, 1972.

S. Gogo, F. Laggoun-défarge, F. Delarue, and N. Lottier, Invasion of a Sphagnum-peatland by Betula spp and Molinia caerulea impacts organic matter biochemistry. Implications for carbon and nutrient cycling, Biogeochemistry, vol.10, issue.1, pp.53-69, 2011.
DOI : 10.1007/s10533-010-9433-6
URL : https://hal.archives-ouvertes.fr/insu-00419696

J. A. González-pérez, F. J. González-vila, M. E. Arias, J. Rodríguez, and T. Marañón, Geochemical and ecological significance of soil lipids under Rhododendron ponticum stands, Environmental Chemistry Letters, vol.86, issue.82, pp.453-466, 2011.
DOI : 10.1007/s10311-010-0300-4

P. Gülz, E. Müller, and R. B. Prasad, Organ-specific composition of epicuticular 541 waxes of beech (Fagus silvatica L.) leaves and seeds, pp.731-734, 1989.

K. Hansen, Ecological studies in Danish heath vegetation, Dansk Botanisk Archiv, vol.31, issue.544, pp.7-116, 1976.

G. A. Herbin and P. A. Robbins, Patterns of variation and development in leaf wax alkanes, Phytochemistry, vol.8, issue.10, p.548, 1969.
DOI : 10.1016/S0031-9422(00)88085-1

P. Hogg, P. Squires, and A. H. Fitter, Acidification, nitrogen deposition and rapid vegetational change in a small valley mire in Yorkshire, Biological Conservation, vol.71, issue.2, pp.143-551, 1995.
DOI : 10.1016/0006-3207(94)00040-W

Y. Huang, M. J. Lockheart, J. W. Collister, and G. Eglinton, Molecular and isotopic 553 biogeochemistry of the Miocene Clarkia Formation: hydrocarbons and alcohols, p.554, 1995.

R. Hunt, D. W. Hand, M. A. Hannah, and A. M. Neal, Response to CO 2 Enrichment in 27 Herbaceous Species, Functional Ecology, vol.5, issue.3, pp.410-421, 1991.
DOI : 10.2307/2389813

H. Jacquemyn, R. Brys, and M. G. Neubert, FIRE INCREASES INVASIVE SPREAD OF MOLINIA CAERULEA MAINLY THROUGH CHANGES IN DEMOGRAPHIC PARAMETERS, Ecological Applications, vol.15, issue.6, pp.2097-2108, 2005.
DOI : 10.1046/j.1365-2745.2000.00507.x

L. Milbeau, C. Jacob, J. Zocatelli, R. Gogo, S. Laggoun-defarge et al., Origin of 579 dimethoxyserratene derivatives in a peat bog, 2013.

P. Legendre and L. Legendre, Numerical ecology. Developments in environmental 582 modelling 20, Second English edition. Netherlands, Elsevier Science B.V, vol.853, p.583, 1998.
URL : https://hal.archives-ouvertes.fr/hal-00530195

H. Rydin and G. Schaepman-strub, Peatlands and the carbon cycle: from local 585 processes to global implications ? a synthesis, Biogeosciences, vol.5, pp.1475-1491, 2008.

F. Marseille, J. R. Disnar, B. Guillet, and Y. Noack, n-Alkanes and free fatty acids in 587 humus and A1 horizons of soils under beech, spruce and grass in the, Massif Central European Journal of Soil Science, vol.588, issue.50, pp.433-441, 1999.

P. A. Meyers, Applications of organic geochemistry to paleolimnological 593 reconstructions: a summary of examples from the Laurentian Great Lakes, p.594, 2003.

J. E. Nichols, R. K. Booth, S. T. Jackson, E. G. Pendall, and Y. Huang, Paleohydrologic 596 reconstruction based on n-alkane distributions in ombrotrophic peat Organic 597, 2006.

T. Norin and B. Winell, Extractives from the bark of scots pine, 1972.

A. Otto and M. J. Simpson, Degradation and Preservation of Vascular Plant-derived Biomarkers in Grassland and Forest Soils from Western Canada, Biogeochemistry, vol.21, issue.3, pp.377-602, 2005.
DOI : 10.1007/s10533-004-5834-8

R. D. Pancost, M. Baas, B. Van-geel, and J. S. Damsté, Biomarkers as proxies for plant 604 inputs to peats: an example from a sub-boreal ombrotrophic bog, Organic Geochemistry, vol.605, pp.33-675, 2002.

J. Regnery, W. Püttmann, A. Koutsodendris, A. Mulch, and J. Pross, Comparison of the 607 paleoclimatic significance of higher land plant biomarker concentrations and pollen data, p.608, 2013.

U. K. Lake, I: source correlation of leaf wax inputs to the sedimentary record, p.612

T. Ronkainen, E. L. Mcclymont, M. Väliranta, and E. Tuittilac, The n-alkane and sterol 614 composition of living fen plants as a potential tool for palaeoecological studies, p.615, 2013.

J. Rullkötter, T. M. Peakman, and H. L. Ten-haven, Early diagenesis of terrigenous triterpenoids and its implications for petroleum geochemistry, Organic Geochemistry, vol.21, issue.3-4, pp.215-233, 1994.
DOI : 10.1016/0146-6380(94)90186-4

D. Van-smeerdijk and J. J. Boon, Characterisation of subfossil sphagnum leaves, rootlets 620 of ericaceae and their peat by pyrolysis high-resolution gas chromatography-mass 621, 1987.

N. Schneider and P. Adam, Contrasting diagenetic pathways of higher plant 624 triterpenoids in buried wood as a function of tree species, Organic Geochemistry, vol.66, issue.124, pp.107-625, 2013.

. Sologne-nature-environnement and . Sne, Principasol: Inventaires floristiques et 627 cartographies d'habitats, 2011.

S. Inc, STATISTICA for Windows Version 8.0, p.629, 2008.

M. Stefanova, D. A. Ivanov, and T. Utescher, Geochemical appraisal of palaeovegetation and climate oscillation in the Late Miocene of Western Bulgaria, Organic Geochemistry, vol.42, issue.11, pp.1363-1374, 2011.
DOI : 10.1016/j.orggeochem.2011.08.015

H. L. Rullkötter, J. Stein, and R. , Bulk and molecular 634 constitution Preliminary analysis of extractable lipids in 636 sediments from the eastern North Atlantic (leg 108): comparison of a coastal upwelling 637 area (site 658) with a non upwelling area (site 659, Proceedings of the Ocean Drilling, pp.768-778, 1992.

H. B. Tomassen, A. J. Smolders, L. P. Lamers, and J. G. Roelofs, Stimulated growth of Betula pubescens and Molinia caerulea on ombrotrophic bogs: role of high levels of atmospheric nitrogen deposition, Journal of Ecology, vol.34, issue.3, pp.357-370, 2003.
DOI : 10.1016/0269-7491(87)90016-9

J. M. Trendel, P. Schaeffer, P. Adam, D. Ertlen, and D. Schwartz, Molecular 646 characterisation of soil surface horizons with different vegetation in the, Vosges Massif Organic Geochemistry, vol.647, issue.41, pp.1036-1039, 2010.

K. Ukkonen and V. Era, Birch bark extractives, Kemia-Kemi, vol.6, pp.217-220, 1979.

J. K. Volkman, A review of sterol markers for marine and terrigenous organic matter, Organic Geochemistry, vol.9, issue.2, p.650, 1986.
DOI : 10.1016/0146-6380(86)90089-6

S. J. Woodin and A. M. Farmer, Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain, Biological Conservation, vol.63, issue.1, pp.23-30, 1993.
DOI : 10.1016/0006-3207(93)90069-D

Y. Zheng, W. Zhou, P. A. Meyers, and S. Xie, Lipid biomarkers in the Zoigê-Hongyuan 658 peat deposit: Indicators of Holocene climate changes in West China Organic 659, 2007.

W. Zhou, Y. Zheng, P. A. Meyers, A. J. Jull, and S. Xie, Postglacial climate-change 664 record in biomarker lipid compositions of the Hani peat sequence, northeastern China. 665 Earth and Planetary Science Letters, pp.37-46, 2010.