header


 


Dyke Marsh Fort Hunt

GWMP 04 Dyke Marsh

 

George Washington Memorial Parkway

Site data

38.7742N 77.0510W

Hardwood flooplain forest

Corticololous lichens in plot 2004 (abundance)

Candelaria concolor (2)
Flavoparmelia caperata (3)

Parmotrema hypotropum (3)

Physcia aipolia (1)
Physcia millegrana (4)

Punctelia rudecta (4)
Pyxine caesiopruinosa (2)

Element data (mean g/g SD)

2004

2009

Cd  < 0.54

Cu  12.58 3.50

Cr   1.36 0.15

Pb  26.52 4.65

Ni   2.12 0.32

Zn  58.34 12.54

S  1674.2 183.2

Hg  0.15 0.01

 

Cd  < 0.50

Cu  12.71 0.38

Cr   2.86 0.13

Pb  20.63 0.86

Ni   2.67 0.15

Zn  43.24 1.10

S  1790.9 32.5

Hg  —