CHOH 10 Chain Bridge

Chesapeake & Ohio Canal NHP

Site data

38.9326N 77.1148W

Hardwood floodplain forest

Corticololous lichens in plot 2004 (abundance)

Candelaria concolor (2)
Flavoparmelia caperata (4)

Phaeophyscia rubropulchra (3)

Physcia millegrana (3)

Punctelia rudecta (4)

Element data (mean µg/g ± SD)

2004	2009
Cd  < 0.55 Cu  18.83 ± 0.30 Cr   2.19 ± 0.74 Pb  16.60 ± 0.99 Ni   2.53 ± 0.43 Zn  55.17 ± 2.37 S  1993.5 ± 149.6 Hg  0.16 ± 0.01	Cd  < 0.50 Cu  15.00 ± 1.96 Cr   3.63 ± 0.60 Pb  21.32 ± 3.46 Ni   3.34 ± 0.43 Zn  43.8 ± 2.17 S  1417.01 ± 68.9 Hg  —