... Mountainsare highly sensitive to potential acidic deposition effects because of the pre-dominance of granitic bedrock, thin acidic soils, large amounts of precipita-tion, coniferous vegetation, and ... 142 Aquatic Effects of Acidic Deposition 0. 06 (Landers et al., 1987; Stoddard, 1994). Survey data with which to evalu-ate the (largely episodic) effects that might be associated with N deposition were ... 2:13 PM© 2000 by CRC Press LLC 1 46 Aquatic Effects of Acidic Deposition the volume and chemistry of the precipitation event, especially the contribu-tion of ions from seaspray (Kahl et al.,...