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L'influence de l'occupation du sol, en bordure des parcelles cultivées, sur les peuplements en arthropodes et la régulation des effectifs de ravageurs fait des haies un objet d'études majeur. Existe-t-il des échanges de population entre haie et vergers qui font de la haie une source ou un puit d'espèces vis-à-vis de la parcelle cultivée ? Dans le cadre de recherches de stratégies innovantes dans la...