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The nature of the dwarf galaxy population as a function of location in thecluster and within different environments is investigated. We have previouslydescribed the results of a search for low surface brightness objects in datadrawn from an East-West strip of the Virgo cluster (Sabatini et al., 2003) andhave compared this to a large area strip outside of the cluster (Roberts etal., 2004). In this talk I compare the East-West data (sampling sub-cluster Aand outward) to new data along a North-South cluster strip that samples adifferent region (part of sub-cluster A, and the N,M clouds) and with dataobtained for the Ursa Major cluster and fields around the spiral galaxy M101.The sample of dwarf galaxies in different environments is obtained from uniformdatasets that reach central surface brightness values of ~26 B mag/arcsec^2 andan apparent B magnitude of 21 (M_B=-10 for a Virgo Cluster distance of 16 Mpc).We discuss and interpret our results on the properties and distribution ofdwarf low surface brightness galaxies in the context of variuos physicalprocesses that are thought to act on galaxies as they form and evolve.

The dwarf low surface brightness population in different environments of the Local Universe