Table 1. Relationship between above-ground woody biomass of trees (m 3 ha 1) and microbial respiration, and potential soil enzyme activities, determined for the mineral soil (0-10 cm) of a fertility gradient in a beech dominated mountain forest.
Variable | Unit | Slope | P-value | R2 |
---|---|---|---|---|
Microbial respiration | g C m-2 d-1 | (+) | 0.008 | 0.41 |
Phenol oxidase | mol m-2 h-1 | (+) | 0.006 | 0.43 |
ß-Glucosidase | mmol m-2 h-1 | (+) | 0.035 | 0.28 |
Cellobiohydrolase | mmol m-2 h-1 | (+) | 0.136 | 0.15 |
ß-Xylosidase | mmol m-2 h-1 | (+) | 0.037 | 0.28 |
Leucine aminopeptidase | mmol m-2 h-1 | (+) | 0.001 | 0.56 |
N-Acetylglucosaminidase | mmol m-2 h-1 | (+) | 0.001 | 0.54 |
Acid phosphatase | mmol m-2 h-1 | (+) | 0.005 | 0.44 |
Test statistics of linear regression models are given; directions of slope coefficients are indicated (n = 16).