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All issues Volume 67 / No 2 (March-April 2010) Ann. For. Sci., 67 2 (2010) 207 Full HTML
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Table III

Spearman correlation tests between variables in burned and unburned plots in spring and winter soil samples.

Spring Winter
MBN-MinN MBN-DON DON-MinN MBN-MinN MBN-DON DON-MinN
P R P R P R P R P R P R
Unburned < 0.05 ∗ 0.364 0.38 0.146 < 0.05 ∗ 0.708 < 0.05 ∗ 0.413 < 0.05 ∗ 0.532 < 0.05 ∗ 0.672
1987 0.38 0.166 0.39 0.393 0.49 0.321 < 0.05 ∗ 0.620 0.28 0.267 < 0.05 ∗ 0.493
1990 < 0.05 ∗ 0.357 0.11 0.328 < 0.05 ∗ 0.635 0.29 0.163 0.67 –0.069 0.09 0.224
1994 0.95 0.008 0.10 0.305 < 0.05 ∗ 0.388 < 0.05 ∗ 0.409 < 0.05 ∗ 0.360 < 0.05 ∗ 0.572
1998 < 0.05 ∗ 0.213 0.75 0.042 < 0.05 ∗ 0.502 < 0.05 ∗ 0.713 < 0.05 ∗ 0.628 < 0.05 ∗ 0.767
2000 0.06 –0.248 0.19 –0.203 < 0.05 ∗ 0.639 < 0.05 ∗ 0.429 < 0.05 ∗ 0.554 < 0.05 ∗ 0.404

n = 60 (1987, n = 30). MBN = Microbial biomass N, MinN = mineral N, DON = Dissolved organic N, LON = Labile organic N (MBN+DON).