Pichancourt J.B., Burel F., Auger Pierre. (2006). A hierarchical matrix model to assess the impact of habitat fragmentation on population dynamics : an elasticity analysis. Comptes Rendus Biologies, 329 (1), p. 31-39. ISSN 1631-0691.
Titre du document
A hierarchical matrix model to assess the impact of habitat fragmentation on population dynamics : an elasticity analysis
Comptes Rendus Biologies, 2006,
329 (1), p. 31-39 ISSN 1631-0691
To better understand the role of habitat quality and boundaries on population dynamics at the landscape scale, we develop a model combining a spatially implicit approach, a spatial population Leslie-type model and an implicit model of habitat fragmentation. An original approach of elasticity permits to identify which types of element and boundary influence the most population viability according to the wood fragmentation degree. The studied species is a corridor forest insect sensitive to fragmentation (Abax parallelepipedus, Coleoptera, Carabidae). We show that a single large patch of wood is better than several small patches for the population viability.
Plan de classement
Sciences fondamentales / Techniques d'analyse et de recherche [020]
