Response of three plant communities to trampling in a sand dune system in brittany (france).

摘要: Dunes that are protected because of their very rich and diverse plant communities often exposed to excessive visitor pressure. The effects trampling on the habitat must be known from a conservation viewpoint but also important for management. To determine response assemblages by people, an experimental study was conducted state-owned dunes at Quiberon (Brittany, France). Indices resistance resilience were used compare three typical belonging various landscape units: mobile dune, semifixed fixed dune. strong contrasts between different successional stages reflect ecological functioning. dune with low contrasted Only vegetation cover benefited long-term had high (134%). This could explained good balance two opposite factors: soil compaction increasing stability moisture content, destruction. Because resilience, seems harmful in long term. tourist pressure easier integrate if periods recovery included