ABSTHACrr.-Reco\ rates of c-licheTi soil crusts from disturhante were examined.Plots were either uiulist urhed or scalped, and scalped plots were either inoculated with surroundinsi; biological crust material or left to reco naturallv.Natural recoven' rates were found to be verislow.Inoculation significantK h;Lstened recoxen for the cvanobactcrial/green alga! component, lichen cover, lichen species richness, and moss co.E uith inoculation, however, lichen and moss rec-overv was minimal.Traditional techniques of assessing reccnen were found to underestimate time for tot;il reco\-.Other tecliniques, such as extraction of chlorophyll a from surface soil and measurement of sheath material accinnnlation.were used and are discussed.
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Jayne Belnap (1993) studied this question.