Table 3. Proportions of ion intensity of different compound classes (%TII) and total ion intensity in parentheses (TII counts mg-1) of the microaggregate size fraction of topsoil samples of the control without clear-cut, 10, and 24 month after clear-cut.
Control | 10 month | 24 month | |
---|---|---|---|
TII from compound classes | |||
CHYDR | 1.7a (9.7) | 2.8b (18.1) | 1.6a (14.6) |
PHLM | 1.7a (9.7) | 4.4b (29.1) | 3.1a (28.8) |
LDIM | 3.0a (17.2) | 4.3ab (28.3) | 4.6b (42.9) |
LIPID | 3.9a (22.5) | 6.7b (44.1) | 7.1c (66.1) |
ALKYL | 7.8a (45.3) | 8.6a (56.5) | 8.3a (77.5) |
NCOMP | 0.7a (3.9) | 0.9b (6.1) | 0.6c (5.3) |
STEROL | 9.8a (57.0) | 8.8b (57.5) | 14.3c (133.5) |
PEPTI | 1.9a (11.3) | 2.6b (16.9) | 1.8a (16.6) |
SUBER | 0.6a (3.2) | 0.4b (2.7) | 0.4b (3.8) |
FATTY | 2.3a (13.6) | 1.5b (10.1) | 1.2c (11.0) |
m/z 15…56 | 1.0a (5.7) | 1.3b (8.6) | 0.8c (7.6) |
CHYDR, carbohydrates; PHLM, phenols and lignin monomers; LDIM, lignin dimers; LIPID, long-chained hydrocarbons; ALKYL, alkylaromatics; NCOMP, N-containing non-peptidic compounds; STEROL, sterols; PEPTI, peptides; SUBER, suberin; FATTY, free fatty acids C16-C34. Values followed by the same letters within a line were not significantly different (P < 0.05).