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 ROCR map

ROCR 03 North End

 

Rock Creek Park

Site data

38.9869N 77.5713W

Oak-hickory forest

Corticololous lichens in plot 2004 (abundance)

Flavoparmelia caperata (3)
Myelochroa aurulenta (3)
Parmotrema hypotropum (2)

Physcia millegrana (3)

Punctelia rudecta (4)
Punctelia subrudecta (3)

Element data (mean g/g SD)

2004

2009

Cd  0.67 0.10

Cu  37.96 1.05

Cr   2.20 0.78

Pb  17.86 0.69

Ni   2.24 0.40

Zn  41.47 2.00

S  1631.8 152.5

Hg  0.15 0.01

 

Cd  < 0.50

Cu  16.94 3.54

Cr   2.43 0.10

Pb  15.84 3.48

Ni   2.78 0.05

Zn  54.71 1.95

S  1696.6 24.18

Hg  —