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Bear Brook Watershed in Maine


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Ecosystem Components - Deposition

Throughfall

Stemflow

Hardwood Softwood Hardwood Softwood

H 22 a 72 b 1 a 154 b
Ca 22 a 39 b 42 a 105 b
Mg 15 a 24 b 20 a 41 b
K 41 a 43 a 419 a 71 b
Na 24 a 52 b 30 a 80 b
SBC 103 a 185 b 509 a 297 a
NH4 11 ab 10 a 5 a 10 a
Al 0.3 a 0.8 b 0.3 a 1.6 b
Si 2.6 a 1.2 b 46 a 2.3 b
SO4 56 a 109 b 97 a 236 b
NO3 20 a 43 b 12 a 48 b
Cl 31 a 65 b 40 a 93 b
SAA 108 a 218 b 149 a 377 b
ANC -8 a -78 b 294 a -122 b
DOC 475 a 886 b 1152 a 2421 b
n 455-466 143-151 146 82-90

Lower case letters indicate significant differences between vegetation types.  Units are umol/L for Al and Si, umol C/L for DOC, and ueq/L for all others.

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Contact Information

Bear Brook Watershed in Maine
5722 Deering Hall
Orono, ME 04469-5722
Phone: 207-581-2932 | Fax: 207-581-2999E-mail: ivanjf@maine.edu
The University of Maine
Orono, Maine 04469
207.581.1110
A Member of the University of Maine System