• Protected-area boundaries as filters of plant invasions 

      Foxcroft, L.C.; Jarosik, V.; Pysek, P.; Richardson, D.M.; Rouget, M. (Society for Conservation Biology, 2011)
      Human land uses surrounding protected areas provide propagules for colonization of these areas by non-native species, and corridors between protected-area networks and drainage systems of rivers provide pathways for ...