Invasion of Matrix Species in Small Habitat Patches

摘要: The diversity, expressed as species richness in equal-sized samples, of wood-living beetles successional stages deciduous forest after fires approximately 100 years ago did not differ between patch sizes this study. Thus, the crucial question for conservation is whether lack reduction diversity small patches means that a number can elevate regional efficiently one larger area. In present study, smaller from substrate availability, quality, or heterogeneity. frequency group was measured occurrences, viz. trees on which found, summed over all group. occurrences unique to specific patch-size large and patches. preferred matrix areas (managed coniferous clearcuts) was, however, than expected results indicate patches, although having high local (alpha) are more similar composition neighboring (reduced beta diversity).