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Observation

by PCDL Admin last modified October 19, 2006 02:24








nectar rob


3/21/2006

SW

A study on the response of bumblebees (Bombus impatiens and B. affinis) and carpenter bees (Xylocopa) ) to roads and railroads in terms of movement among two plant species,Clethra alnifolia and Cephalanthus occidentalis. Mark-recapture and displacement e