Summary statistics of habitat-network and matrix variables recorded per land mosaic, and overall and seasonal occupancy patterns of water voles in south-western Portugal. PitaRicardo MiraAntónio BejaPedro 2013 a<p>Sample size (N) is not constant, because some variables could only be computed for a subset of the land mosaics studied, and because different mosaics were sampled in the wet and the dry seasons.</p>