CHOH 07 Point of Rocks

Chesapeake & Ohio Canal NHP

Site data

39.2885N 77.5545W

Hardwood floodplain forest

Corticololous lichens in plot 2004 (abundance)

Candelaria concolor (3)
Flavoparmelia caperata (4)

Myelochroa aurulenta (4)

Parmotrema hypotropum (2)
Phaeophyscia pusilloides (2)

Phaeophyscia rubropulchra (3)
Physcia aipolia (3)

Physcia millegrana (4)
Physconia detersa (1)

Punctelia rudecta (4)

Pyxine caesiopruinosa (2)

Element data (mean µg/g ± SD)

2004	2009
Cd  < 0.55 Cu  23.95 ± 3.53 Cr   1.35 ± 0.87 Pb  17.45 ± 8.02 Ni   2.67 ± 0.88 Zn  44.43 ± 2.69 S  1378.8 ± 133.5 Hg  0.12 ± 0.01	Cd  < 0.50 Cu  15.13 ± 0.41 Cr   3.74 ± 0.52 Pb  19.73 ± 0.41 Ni   3.09 ± 0.38 Zn  44.14 ± 0.28 S  1533.6 ± 2.54 Hg  —

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