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GWMP north

GWMP 01 Great Falls

 

George Washington Memorial Parkway

Site data

38.9879N 77.2495W

Oak-pawpaw stand

Corticololous lichens in plot 2004 (abundance)

Flavoparmelia caperata (3)
Myelochroa aurulenta (1)

Parmelia sulcata (3)
Parmotrema hypotropum (2)
Phaeophyscia pusilloides (2)
Phaeophyscia rubropulchra (3)

Punctelia rudecta (4)
Pyxine caesiopruinosa (1)

Element data (mean g/g SD)

2004

2009

Cd  0.65 0.09

Cu  16.61 2.70

Cr   2.75 1.87

Pb  30.59 5.34

Ni   2.77 0.87

Zn  39.95 8.52

S  1787.4 31.7

Hg  0.16 0.02

 

Cd  < 0.50

Cu  14.39 1.02

Cr   3.01 0.71

Pb  21.95 5.23

Ni   2.82 0.68

Zn  52.39 4.83

S  1710.6 62.6

Hg  —