Potential Influence of Climate Change on the Acid-Sensitivity of High-Elevation Lakes in the Georgia Basin, British Columbia

Table 1

Selected chemical characteristics of study lakes () in the Georgia Basin, British Columbia, sampled during October 2008 (P25 refers to the 25th percentile while P75 refers to the 75th percentile; ANC = acid neutralizing capacity and DOC = dissolved organic carbon).

Variable	Mean	Min.	P25	Median	P75	Max
Conductivity (µS cm^−1 at 25°C)	6.50	2.00	4.00	6.00	8.00	18.0
ANC (µeq L^−1)	47.7	10.6	20.9	41.5	72.0	159
(µeq L^−1)	1.82	0.01	0.29	0.87	2.44	8.64
(µeq L^−1)	8.86	0.44	5.21	7.91	10.2	42.5
Ca^2+ (µeq L^−1)	39.5	8.08	19.7	35.2	55.9	119
Na^+ (µeq L^−1)	13.7	4.92	9.98	13.5	17.1	27.4
Mg^2+ (µeq L^−1)	6.64	1.32	3.21	5.06	9.22	29.8
K^+ (µeq L^−1)	3.15	1.07	1.69	2.36	3.56	14.0
DOC (mg L^−1)	1.15	0.00	0.46	0.74	1.54	7.22
pH	6.34	5.44	6.12	6.22	6.70	7.12
Al (µg L^−1)	59.9	8.00	20.7	35.8	77.0	337
Pb (µg L^−1)	0.05	0.00	0.02	0.03	0.06	0.66