Table 4.
Land-use/soil depth | Fine root biomass stocks, Mg ha−1, mean (± 95% CI) | ||
---|---|---|---|
Jalisco | Campeche | Chiapas | |
Open pasturelands | |||
0–10 cm | 1.28 (± 0.70)a | 3.00 (± 1.52)ab | 2.99 (± 1.27)a |
10–20 cm | 0.41 (0.25)p | 1.41 (± 1.03)p | 0.54 (± 0.23)p |
20–30 cm | 0.41 (± 0.28)x | 0.25 (± 0.15)x | 0.24 (± 0.07)x |
Σ(0–30) cm | 2.10 (± 0.92)A | 4.66 (± 1.99)A | 3.77 (± 1.35)A |
Fodder banks | |||
0–10 cm | 2.26 (± 1.11)a | nd | 1.66 (± 0.45)a |
10–20 cm | 0.95 (± 0.70)p | nd | 0.75 (± 0.31)p |
20–30 cm | 0.68 (± 0.50)x | nd | 0.29 (± 0.09)x |
Σ(0 – 30) cm | 3.90 (± 1.92)AB | nd | 2.71 (± 0.64)A |
Live fences | |||
0–10 cm | nd | 2.09 (± 1.08)a | 4.91 (± 2.41)a |
10–20 cm | nd | 0.57 (± 0.18)p | 4.87 (± 3.66)p |
20–30 cm | nd | 0.38 (± 0.16)x | 2.72 (± 3.51)x |
Σ(0–30) cm | nd | 3.04 (± 1.13)A | 12.50 (± 7.74)B |
Dispersed trees on pasturelands | |||
0–10 cm | 2.19 (± 1.96)a | 1.71 (± 0.78)a | 1.28 (± 0.47)a |
10–20 cm | 1.07 (± 0.90)p | 1.10 (± 0.65)p | 1.40 (± 0.70)p |
20–30 cm | 0.72 (± 0.51)x | 1.11 (± 0.67)xy | 0.96 (± 0.96)x |
Σ(0–30) cm | 3.98 (± 2.46)AB | 3.92 (± 1.12)A | 3.64 (± 1.51)A |
Secondary forests | |||
0–10 cm | 1.79 (± 0.65)a | 2.72 (± 1.69)ab | 1.68 (± 1.21)a |
10–20 cm | 2.20 (± 1.49)p | 1.88 (± 0.87)p | 1.97 (± 1.30)p |
20–30 cm | 2.48 (± 1.59)x | 1.73 (± 0.92)xy | 1.99 (± 1.44)x |
Σ(0–30) cm | 5.80 (± 2.32)B | 6.33 (± 2.65)AB | 6.64 (± 2.08)AB |
Primary forests | |||
0–10 cm | nd | 4.88 (± 1.63)b | 5.21 (± 3.00)a |
10–20 cm | nd | 2.72 (± 1.48)p | 2.69 (± 0.99)p |
20–30 cm | nd | 2.22 (± 1.01)y | 4.25 (± 2.93)x |
Σ(0–30) cm | nd | 9.82 (± 1.96)B | 12.15 (± 4.44)B |
Different letters indicate statistical differences between land-uses (p < 0.05) within the same depth class. CI = Confidence intervals.
nd: data not available.