Table 1.
Altitude, mean annual precipitation (MAP), mean annual temperature (MAT), litterfall biomass (LB), soil type, bulk density (BD), soil texture, soil temperature (Tsoil) and soil moisture (Msoil) in evergreen broad-leaf forest (EBF), coniferous forest (CF), sub-alpine dwarf forest (DF) and alpine meadow (AM) soil along the gradient elevation of Wuyi Mountain, China (mean ± standard error, n = 4).
Table 2.
Distribution of coarse particulate organic matter (cPOM), microaggregates within the macroaggregates (mM), macroaggregate occluded in silt and clay particles (scM), microaggregates (Micros) and silt and clay particles (SC), mean weight diameter (MWD) and soil organic carbon in soil samples collected at evergreen broad-leaf forest (EBF), coniferous forest (CF), sub-alpine dwarf forest (DF) and alpine meadow (AM) on Wuyi Mountain, China (mean ± standard error, n = 4).
Table 3.
SOC concentrations and carbon to nitrogen (C: N) ratios in coarse particulate organic matter (cPOM), microaggregates within the macroaggregates (mM), macroaggregate occluded silt and clay particles (scM), microaggregates and silt and clay particles of samples collected at an evergreen broad-leaf forest (EBF), coniferous forest (CF), sub-alpine dwarf forest (DF) and alpine meadow (AM) on Wuyi Mountain, China (mean ± standard error, n = 4).
Fig 1.
Distribution of organic carbon in coarse particulate organic matter (cPOM), microaggregates within the macroaggregates (mM), macroaggregate-occluded silt and clay particles (scM), microaggregates (Micro) and silt and clay (SC) particles of samples collected at an evergreen broad-leaf forest (EBF), coniferous forest (CF), sub-alpine dwarf forest (DF) and alpine meadow (AM) on Wuyi Mountain, China in the 0–10 cm layer (a) and 10–25 cm layer (b).
Different letters for the sane vegetation indicate significant differences among the different size fractions of soil aggregates at P<0.05 (n = 4).
Fig 2.
Relationship of SOC in bulk soil with soil moisture (a), coarse particulate organic matter content (b) and MWD (c).
Table 4.
Correlation among bulk soil organic carbon (Cbulk) with the percentage of coarse particulate organic matter (PcPOM), microaggregates within the macroaggregates (PmM), macroaggregate-occluded silt and clay particles (PscM), microaggregates (PMicro) and silt and clay particles (Psc) fractions in total organic C, soil temperature (Tsoil) and mean weight diameter (MWD) of the soil samples, silt and clay amount (SC), clay content, coarse particulate organic matter content (cPOM) and soil moisture (Msoil) collected at an evergreen broad-leaf forest (EBF), coniferous forest (CF), sub-alpine dwarf forest (DF) and alpine meadow (AM) on Wuyi Mountain, China (Cbulk was measured in mg g-1, Tsoil was measured in °C, MWD was measured in μm and other ones were measured in %).