Area effects, environmental heterogeneity, isolation, community assembly, diversity partitioning, richness differences, island biogeography, dispersal limitation, Macaronesia, species replacement, Beta, Islands, Dispersal, Spiders, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronés...