![\"Dispositif](\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2015\/02\/pepiniere-300x225.jpg\")
<\/a>Dispositif en conditions contr\u00f4l\u00e9es sur les interactions entre croissance de semis de ch\u00eane, action d\u2019une esp\u00e8ce interf\u00e9rente (la ronce), plusieurs niveaux de ressource et d\u2019herbivorie<\/p><\/div>\n
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En parall\u00e8le, des suivis du sous-bois, en particulier de la r\u00e9g\u00e9n\u00e9ration des essences et le d\u00e9veloppement des esp\u00e8ces interf\u00e9rentes (callune, molinie, foug\u00e8re) sont r\u00e9alis\u00e9s dans les placettes \u00e0 \u00ab sylviculture dynamique \u00bb. Ils portent, pour chacune des placettes \u00e9tudi\u00e9es, sur un r\u00e9seau de 20 placeaux circulaires de 12,6 m\u00b2 (rayon de 2,0 m). Sur ces questions d’interactions \u00e9cologiques multiples dans la dynamique foresti\u00e8re, une exp\u00e9rimentation compl\u00e9mentaire est install\u00e9e sur le domaine des Barres (Nogent-sur-Vernisson, Loiret), en conditions semi-contr\u00f4l\u00e9es de p\u00e9pini\u00e8re.<\/p>\n
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Quel est le r\u00f4le des herbivores dans le processus de r\u00e9g\u00e9n\u00e9ration des peuplements m\u00e9lang\u00e9s et dans la dynamique de la v\u00e9g\u00e9tation du sous-bois ? Afin de d\u00e9terminer et de quantifier la part relative des herbivores dans la dynamique du sous-bois, les groupes d\u2019animaux sont \u00e9tudi\u00e9s s\u00e9par\u00e9ment \u00e0 l’aide de syst\u00e8mes d’exclusion s\u00e9lectifs : des … <\/p>\n
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![\"Cl\u00f4ture](\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2015\/09\/P9040016_small.jpg\")
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