Abstract
The objective of this study was to examine the differences in elemental composition between two species of bryophytes. These two species (Bazzania trilobata and Dicranum fulvum) were collected from the Bear Brook paired forested watersheds. One watershed has been treated with (NH4)2SO4 to simulate acidic atmospheric deposition and the other was a control. Samples were analyzed for standard nutrients (Al,B,Ca,Cu,Fe,K,Mg,Mn,N,P,Zn) plus lead and cadmium in November and December 1992. Nitrogen levels for samples collected on the treated area were significantly higher but other nutrients tended to be depressed on the treated area. Lead levels were high on both areas relative to reference levels from remote parts of the world.
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