Abstract
A study of the abundance and diversity of small mammals in common plant cover types was made on an electric transmission right-of-way (ROW) in central Pennsylvania in 1989 and 1990. Two mechanical and five herbicide treatments had been applied in 1987 on four replicated ROW areas. A diverse and abundant population was found on the ROW, which included eight mammalian species with an average total density of 71.0 individuals per acre. Population density of all species combined in the six common ROW cover types ranged from 32.7 in the fescue grass type to 100.4 in the witchhazel type. Density of small mammals in the adjoining forest averaged 101.6 per acre, with only two species present.
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