Research Article

Response of Soil Respiration to Grazing in an Alpine Meadow at Three Elevations in Tibet

Table 1

Repeated-measures analysis of variance for the main and interactive effects of grazing (G) and measuring date (D) on soil respiration ( , µmol CO2 m−2 s−1) in an alpine meadow at three elevations (i.e., 4313 m, 4513 m, and 4693 m) on the Tibetan Plateau ( ).

Model4313 m 4513 m4693 m
F P F P F P

G5.94 0.051 2.39 0.173 1.22 0.311
D34.12 <0.00129.08 <0.00110.02 <0.001
G × D1.60 0.249 1.39 0.277 0.31 0.837