S. Caut, E. Angulo, and F. Courchamp, Variation in discrimination factors (? 15 N and ? 13 C): 458 the effect of diet isotopic values and applications for diet reconstruction, J Appl Ecol, vol.459, pp.46443-453, 2009.

H. Christie, K. Norderhaug, and S. Fredriksen, Macrophytes as habitat for fauna, Marine Ecology Progress Series, vol.396, p.461, 2009.
DOI : 10.3354/meps08351

K. Clarke and R. Gorley, PRIMER v6: User Manal, 2006.

K. Crawley, G. Hyndes, M. Vanderklift, A. Revill, and P. Nichols, Allochthonous brown algae 464 are the primary food source for consumers in a temperate, coastal environment, 2009.

J. Cucherousset and S. Villéger, Quantifying the multiple facets of isotopic diversity: New metrics for stable isotope ecology, Ecological Indicators, vol.56, pp.152-160, 2015.
DOI : 10.1016/j.ecolind.2015.03.032

P. Dauby, A. Khomsi, J. Bouquegneau, J. Ellis, M. Shulman et al., Trophic relationships within intertidal 473 communities of the Brittany coasts: a stable carbon isotope analysis Regulation of intertidal food 481 webs by avian predators on New England rocky shores, J Coast Ecology, vol.88, pp.853-863, 1998.

A. Forest, M. Sampei, R. Makabe, H. Sasaki, D. Barber et al., The annual cycle of particulate organic carbon export in Franklin Bay 484 (Canadian Arctic): Environmental control and food web implications, J Geophys Res, vol.483, issue.485, p.113, 2008.

B. Fry, Stable Isotope Ecology, 2006.
DOI : 10.1007/0-387-33745-8

C. Golléty, P. Riera, and D. Davoult, Complexity of the food web, p.490, 2010.

S. Hawkins, D. Watson, A. Hill, S. Harding, M. Kyriakides et al., A comparison of feeding mechanisms in microphagous, herbivorous, intertidal, 494 prosobranchs in relation to resource partitioning, J Molluscan Stud, vol.493, issue.55, pp.151-165, 1989.

G. Hyndes, C. Hanson, and M. Vanderklift, The magnitude of spatial and temporal variation in ??15N and ??13C differs between taxonomic groups: Implications for food web studies, Estuarine, Coastal and Shelf Science, vol.119, pp.176-187, 2013.
DOI : 10.1016/j.ecss.2012.12.015

W. Lee, X. Zhang, C. Van-baalen, and C. Arnold, Feeding and reproductive performace 505 of the harpacticoid Tisbe carolinensis (Copepoda, Crustacea) in four algal cultures, p.506, 1985.

M. Lehmann, S. Bernasconi, A. Barbieri, and J. Mckenzie, Preservation of organic matter and alteration of its carbon and nitrogen isotope composition during simulated and in situ early sedimentary diagenesis, Geochimica et Cosmochimica Acta, vol.66, issue.20, pp.3573-3584, 2002.
DOI : 10.1016/S0016-7037(02)00968-7

M. Littler and D. Littler, The evolution of thallus form and survival strategies in benthic 512, 1980.

J. Lubchenco, Plant Species Diversity in a Marine Intertidal Community: Importance of Herbivore Food Preference and Algal Competitive Abilities, The American Naturalist, vol.112, issue.983, pp.23-39, 1978.
DOI : 10.1086/283250

B. Mcmeans, K. Mccann, M. Humphries, N. Rooney, and A. Fisk, Food Web Structure in Temporally-Forced Ecosystems, Trends in Ecology & Evolution, vol.30, issue.11, pp.662-672, 2015.
DOI : 10.1016/j.tree.2015.09.001

A. Migné, C. Golléty, and D. Davoult, Effect of canopy removal on a rocky shore community metabolism and structure, Marine Biology, vol.94, issue.2, pp.449-457, 2015.
DOI : 10.1007/s00227-014-2592-6

R. Miller and H. Page, Kelp as a trophic resource for marine suspension feeders: a review of isotope-based evidence, Marine Biology, vol.17, issue.7, pp.1391-1402, 2012.
DOI : 10.1007/s00227-012-1929-2

A. Parnell, R. Inger, S. Bearhop, and A. Jackson, Source Partitioning Using Stable Isotopes: Coping with Too Much Variation, PLoS ONE, vol.5, issue.3, pp.9672-534, 2010.
DOI : 10.1371/journal.pone.0009672.g002

URL : http://doi.org/10.1371/journal.pone.0009672

A. Parnell and A. Jackson, Stable Isotope Analysis in R, 2013.

B. Peterson and B. Fry, Stable Isotopes in Ecosystem Studies, Annual Review of Ecology and Systematics, vol.18, issue.1, pp.293-536, 1987.
DOI : 10.1146/annurev.es.18.110187.001453

D. Phillips, R. Inger, S. Bearhop, A. Jackson, J. Moore et al., Best practices for use of stable isotope mixing models in food-web studies, Canadian Journal of Zoology, vol.92, issue.10, p.539, 2014.
DOI : 10.1139/cjz-2014-0127

DOI : 10.4319/lo.1994.39.5.1030

D. Raffaelli and S. Hawkins, Intertidal ecology, p.545, 1999.
DOI : 10.1007/978-94-009-1489-6

J. Raven and C. Hurd, Ecophysiology of photosynthesis in macroalgae, Photosynthesis Research, vol.45, issue.327, pp.105-125, 2012.
DOI : 10.1007/s11120-012-9768-z

C. Rigolet, E. Thiébaut, A. Brind-'amour, and S. Dubois, Investigating isotopic functional 553 indices to reveal changes in the structure and functioning of benthic communities, p.554, 2015.

F. Rindi and M. Guiry, Composition and spatio temporal variability of the epiphytic 556 macroalgal assemblage of Fucus vesiculosus Linnaeus at Clare Island, p.557, 2004.

A. Rio and J. Cabioch, Apparition du Caulacanthus ustulatus, p.559, 1988.

N. Rooney, K. Mccann, and J. Moore, A landscape theory for food web architecture, Ecology Letters, vol.289, issue.8, p.561, 2008.
DOI : 10.1111/j.1461-0248.2008.01193.x

G. Sarà, D. Pirro, M. Romano, C. Rumolo, P. Sprovieri et al., Sources of organic matter for intertidal consumers on Ascophyllum-shores (SW Iceland): a multi-stable isotope approach, Helgoland Marine Research, vol.7, issue.4, pp.297-302, 2007.
DOI : 10.1007/s10152-007-0078-3

G. Schaal, P. Riera, and C. Leroux, Microscale variations of food web functioning within a rocky shore invertebrate community, Marine Biology, vol.136, issue.3, pp.623-630, 2011.
DOI : 10.1007/s00227-010-1586-2

URL : https://hal.archives-ouvertes.fr/hal-01255968

G. Schaal, P. Riera, C. Leroux, and J. Grall, A seasonal stable isotope survey of the food web associated to a peri-urban rocky shore, Marine Biology, vol.46, issue.2, pp.283-294, 2010.
DOI : 10.1007/s00227-009-1316-9

URL : https://hal.archives-ouvertes.fr/hal-01255976

T. Schlacher, R. Connolly, J. Smith, S. Vogt, F. Creedon et al., Effects of acid treatment on carbon and nitrogen stable The non-native turf-forming 576, 2014.

M. Steinarsdóttir, A. Ingólfsson, and E. Ólafsson, Trophic relationships on a fucoid shore in south-western Iceland as revealed by stable isotope analyses, laboratory experiments, field observations and gut analyses, Journal of Sea Research, vol.61, issue.4, pp.206-215, 2009.
DOI : 10.1016/j.seares.2008.11.004

R. Thompson, M. Hemberg, B. Starzomski, and J. Shurin, TROPHIC LEVELS AND TROPHIC TANGLES: THE PREVALENCE OF OMNIVORY IN REAL FOOD WEBS, Ecology, vol.88, issue.3, pp.612-617, 2007.
DOI : 10.1046/j.1365-2656.2002.00669.x

A. Underwood, Microalgal food and the growth of the intertidal gastropods Nerita 584, 1984.

B. Atramentosa-reeve and . Nanum, Lamarck) at four heights on a shore, J Exp, p.585

M. Vanderklift and D. Bearham, Variation in ??13C and ??15N of kelp is explained by light and productivity, Marine Ecology Progress Series, vol.515, pp.111-121, 2014.
DOI : 10.3354/meps10967

M. Wahl, Marine Hard Bottom Communities: Patterns, Dynamics, p.592, 2009.
DOI : 10.1007/b76710

. Change, &. Springer-science, M. Business-media-zanden, and J. Rasmussen, Variation in ? 15 N and ? 13 C trophic fractionation: 599 Implications for aquatic food web studies, Limnol Oceanogr, vol.46, pp.2061-2066, 2001.