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 ROCR map

ROCR 02 Nature Center

 

Rock Creek Park

Site data

38.9748N 77.0432W

Oak-hickory forest

Corticololous lichens in plot 2004 (abundance)

Flavoparmelia caperata (2)

Physcia millegrana (2)

Punctelia rudecta (3)

Element data (mean g/g SD)

2004

2009

Cd  < 0.54

Cu  9.30 0.50

Cr   1.85 0.12

Pb  25.13 1.08

Ni   2.34 0.38

Zn  39.29 1.50

S  1319.7 49.7

Hg  0.11 0.01

 

Cd  < 0.50

Cu  12.95 2.56

Cr   2.72 0.16

Pb  20.02 0.13

Ni   2.66 0.08

Zn  46.59 1.93

S  1594.1 254.9

Hg  —

 

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