. Dumont-b, . J. Rook-a, C. Coran, and . Röver-k.-u, Effects of livestock breed and grazing intensity on biodiversity and production in grazing systems. 2. Diet selection, Grass and Forage Sci, vol.62, pp.159-171, 2007.

. Dumont-b, . Farruggia-a, . Garel-j-p, P. Bachelard, E. Boitier et al., How does grazing intensity influence the diversity of plants and insects in a species-rich upland grassland on basalt soils?, Grass and Forage Sci, vol.64, pp.92-105, 2009.

D. P. , Horses and Grasses : The Nutritional Ecology of Equids and Their Impact on the Camargue, vol.279, 1992.

D. P. D'herbes and J. M. , The use of domestic herbivores in the management of wetlands for waterbirds in the Camargue, France, Managing wetlands and their birds, 1982.

D. P. Foose-t, . J. Gordon-i, C. G. Gakahu, and . Lloyd-m, Comparative nutrient extraction from forages by grazing bovids and equids: a test of the nutritional model of equid/bovid competition and coexistence, Oecologia, vol.84, pp.411-418, 1990.

D. D. Loucougaray, G. Fritz, H. Briand, M. Duncan-p.-;-durand, J. L. Emile et al., Principles underlying the use of wet grasslands for wintering herbivorous ducks and geese, and their management implications, Grassland Science in Europe, vol.7, pp.916-917, 2002.

, Tableau économique, statistique et graphique du cheval en France : données 2009-2010, vol.63, p.pp, 2010.

E. N. Fleurance, G. Duncan-p, . Baumont-r, and . Dumont-b, Déterminants de l'utilisation de la ressource pâturée par le cheval, INRA Productions Animales, vol.22, pp.363-374, 2009.

E. N. Dumont-b, . Baumont-r, . Duncan-p, and G. Fleurance, Foraging in a heterogeneous environment: an experimental study of a trade-off between intake rate and diet quality, Applied Animal Behaviour Sci, vol.126, pp.27-36, 2010.

. J. Edwards-p and . Hollis-s, The distribution of excreta on New Forest grassland used by cattle, ponies and deer, J. of Applied Ecology, vol.19, pp.953-964, 1982.

E. S. , Habitat quality and management for the northern brown argus butterfly Aricia artaxerxes (Lepidoptera: Lycaenidae) in North East England, Biological Conservation, vol.113, pp.285-294, 2003.

. Ferrer-cazcarra-r and . Petit-m, The influence of animal age and sward height on the herbage intake and grazing behaviour of Charolais cattle, Animal Sci, vol.61, pp.497-506, 1995.

. F. Fischer-s, P. Poschold, and . Beinlich-b, Experimental studies on the dispersal of plants and animals on sheep in calcareous grasslands, J. of Applied Ecology, vol.33, issue.5, pp.1206-1222, 1996.

G. Fleurance, . Dumont-b, and . Farruggia-a, How does stocking rate influence biodiversity in a hill-range pasture continuously grazed by horses?, 23 rd Gen. Meet. Europ. Grassl. Fed, p.29, 2010.

. Gillet-f, . Kohler-f, C. Vandenberghe, and . Buttler-a, Effect of dung deposition on small-scale patch structure and seasonal vegetation dynamics in mountain pastures, Agriculture Ecosystems & Environment, vol.135, pp.34-41, 2010.

. J. Gordon-i, . Duncan-p, P. Grillas, and . Lecomte-t, The use of domestic herbivores in the conservation of the biological richness of European wetlands, Bulletin Ecologique, vol.21, pp.49-60, 1990.

. J. Hester-a, M. Bergman, . R. Iason-g, and J. Moen, Impacts of large herbivores on plant community structure and dynamics, 2006.

. D. Hill-s, Influences of large herbivores on small rodents in the New Forest, Hampshire, 1985.

. Hoste-danylow-a, J. Romanowski, and M. Zmihorski, Effects of management on invertebrates and birds in extensively used grassland of Poland, Agriculture, Ecosystems and Environment, vol.139, pp.129-133, 2010.

. R. Kirby-d and K. L. Grosz, Cattle grazing and sharp-tailed grouse nesting success, Rangelands, vol.17, pp.124-126, 1995.

. Klumpp-k, . Fontaine-s, . Attard-e, . Le-roux-x, G. Gleixner et al., Grazing triggers soil carbon loss by altering plant roots and their control on soil microbial community, J. of Ecology, vol.97, pp.876-885, 2009.

. Lamoot-i, C. Meert, and . Hoffmann-m, Habitat use of ponies and cattle foraging together in a coastal dune area, Biological Conservation, vol.122, pp.523-536, 2005.

. Lazo-a and . C. Soriguer-r, Size-biased foraging behavior in feral cattle, Applied Animal Behaviour Sci, vol.36, pp.99-110, 1993.

. Lecomte-t, Les entomocénoses liées aux grands herbivores dans une perspective de preservation de la biodiversité, Revue scientifique Bourgogne-Nature, vol.5, pp.117-122, 2007.

. Lecomte-t, La gestion conservatoire des écosystèmes herbacés par le pâturage extensif : une contribution importante au maintien de la diversité fongique fimicole, Bulletin mycologique et botanique Dauphiné-Savoie, vol.191, pp.11-22, 2008.

. Lecomte-t and . Le-neveu-c, Dix ans de gestion d'un marais par le pâturage extensif : comparaison des phytocénoses induites par des chevaux et des bovins (Marais Vernier, pp.29-36, 1992.

. Lecomte-t and . Le-neveu-c, Insectes floricoles et déprise agricole : application à la gestion des Réserves Naturelles du Marais Vernier (Eure -France), pp.118-123, 1993.

. S. Levin-p, J. Ellis, . Petrik-r, and M. E. Hay, Indirect effect of feral horses on estuarine communities, Conservation Biology, vol.16, issue.5, pp.1364-1371, 2002.

. Loiseau-p and . Martin-rosset-w, Evolution à long terme d'une lande de montagne pâturée par des bovins et des chevaux. I. Conditions expérimentales et évolution botanique, Agronomie, vol.8, issue.10, pp.873-880, 1988.

. Loiseau-p, . Alvarez-g, C. Martin, and . Duparque-a, Fonctionnement de l'écosystème prairial et environnement : le rôle des cycles biogéochimiques, Agriculture et produits alimentaires de Montagne, pp.47-51, 2002.

G. Loucougaray, . Bonis-a, and . Bouzille-j-b, Effects of grazing by horses and/or cattle on the diversity of coastal grasslands in western France, Biological Conservation, vol.116, pp.59-71, 2004.

J. P. Lumaret, Toxicité de certains helminthicides vis-à-vis des insectes coprophages et conséquences sur la disparition des excréments de la surface du sol, Acta Oecologia, Oecological Applications, vol.7, issue.4, pp.313-324, 1986.

. Magnusson-b and . H. Magnusson-s, Studies in the grazing of a drained lowland fen in Iceland. I. The responses of the vegetation to livestock grazing, Buvisindi Iceland Agricultural Sci, vol.4, pp.87-108, 1990.

J. E. Malo and . Suarez-f, Establishment of pasture species on cattle dung: the role of endozoochorous seeds, J. of Vegetation Sci, vol.6, issue.2, pp.169-174, 1995.

M. B. Bonis-a and J. B. Bouzille, How much does grazinginduced heterogeneity impact plant diversity in wet grasslands ?, vol.17, pp.1-11, 2010.

. Marriott-ca, M. Fothergill, B. Jeangros, M. Scotton, and . Louault-f, Long-term impacts of extensification of grassland management on biodiversity and productivity in upland areas. A review, Agronomie, vol.24, pp.447-462, 2004.

. Martin-rosset-w, . Loiseau-p, and G. Molenat, Utilisation des pâturages pauvres par le cheval, Bulletin Technique d'Information, INRA, pp.587-608, 1981.

S. J. Mc-naughton, Ecology of a grazing ecosystem: the Serengeti, Ecological Monogaphs, vol.55, pp.259-294, 1985.

C. Ménard, . Duncan-p, G. J. Fleurance-g, and . Lila-m, Comparative foraging and nutrition of horses and cattle in European wetlands, J. of Applied Ecology, vol.39, pp.120-133, 2002.

. Nicaise-l, L'herbivore, facteur d'augmentation de la diversité biologique des milieu artificiels : l'exemple des digues aménagées par la, 1996.

Ö. E. Eriksson-a and H. G. Smith, Effects of grassland abandonment, restoration and management on butterflies and vascular plants, Biological Conservation, vol.133, pp.291-300, 2006.

H. Olff and . E. Ritchie-m, Effects of herbivores on grassland plant diversity, TREE, vol.13, issue.7, pp.261-265, 1998.

. Oosterveld-p, Eight years of monitoring of rabbits and vegetation development on abandoned arable fields grazed by ponies, Acta Zoologica Fennica, vol.174, pp.71-74, 1983.

. Orth-d, P. Carrere, . Lefevre-a, P. Duquet, Y. Michelin et al., L'adjonction de chevaux aux bovins en conditions de sous-chargement modifie-t-elle l'utilisation de la ressource herbagère ?, Fourrages, vol.153, pp.125-138, 1998.

O. M. Thomas-g, The feeding ecology and conservation of wigeon wintering at the Ouse Washes, England, J. of Applied Ecology, vol.16, pp.795-809, 1979.

J. Pöyry, M. Luoto, J. Paukkunen, J. Pykälä, K. Raatikainen et al., Different responses of plants and herbivore insects to a gradient of vegetation height: an indicator of the vertebrate grazing intensity and successional age, Oikos, vol.115, pp.401-412, 2006.

. Ramos-a and . Tenessen-t, Effects of previous grazing experience on the grazing behaviour of lambs, Applied Animal Behaviour Sci, vol.33, pp.43-52, 1992.

M. Rietkerk, . Van-den, . Bosch-f, and J. Van-de-koppel, Site-specific properties and irreversible vegetation changes in semi-arid grazing systems, Oikos, vol.80, pp.241-252, 1997.

. J. Rook-a, . Dumont-b, J. Isselstein, K. Osoro, M. F. Wallisdevries et al., Matching type of livestock to desired biodiversity outcomes in pasture -a review, Biological Conservation, vol.119, pp.137-150, 2004.

. Sabatier-r, L. Doyen, and M. Tichit, Modelling trade-offs between livestock grazing and wader conservation in a grassland agroecosystem, Ecological Modelling, vol.221, pp.1292-1300, 2010.

. Simberloff-d, Flagships, umbrellas and keystones: is singe species management passé in the landscape era?, Biological Conservation, vol.83, pp.247-257, 1998.

. B. Stewart-g and . S. Pullin-a, The relative importance of grazing stock type and grazing intensity for conservation of mesotrophic 'old meadow' pasture, J. for Nature Conservation, vol.16, pp.175-185, 2008.

. Tatin-l, T. Dutoit, and C. Feh, Impact du pâturage par les chevaux de Przewalskii (Equus przewalskii) sur les populations d'orthoptères du Causse Méjean, vol.55, pp.241-261, 2000.

M. J. Ten and . Van-der-meulen-f, Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands, J. of Vegetation Sci, vol.6, pp.445-452, 1995.

S. P. Van-wieren, Effects of large herbivores upon the animal community, Grazing and Conservation Management, pp.185-214, 1998.

J. T. Vulink, Hungry herds: Management of temperate lowland wetlands by grazing, 2001.

J. T. Vulink, H. J. Drost, and . Jans-l, The influence of different grazing regimes on Phragmites-shrub vegetation in the welldrained zone of a eutrophic wetland, Applied Vegetation Sci, vol.2, pp.73-80, 2000.

. F. Wallis-de-vries-m, . E. Parkinson-a, . Dulphy-j-p, and D. E. Sayer-m, Effects of livestock breed and grazing intensity on biodiversity and production in grazing systems. 4. Effects on animal diversity, Grass and Forage Sci, vol.62, pp.185-197, 2007.

. M. Zalba-s and N. C. Cozzani, The impact of feral horses on grassland bird communities in Argentina, Animal Conservation, vol.7, pp.35-44, 2004.