Table 1 Basic chemical characteristics of alpine meadow (horizons A and M), and scree soils sampled in 2015 from 14 Tatra Mountains catchments (minimum–maximum values with medians in parentheses).
Meadow A | Meadow M | Scree | ||
|---|---|---|---|---|
n = 14 | n = 9 | n = 14 | ||
Depth | cm | 5–36 (14) | 0–36 (21†) | n.m |
Soil (< 2 mm) | kg m−2 | 8–85 (32) | 0–125 (71†) | 4–16 (9)†† |
pHH2O | 4.24–4.88 (4.63) | 4.58–5.1 (4.81) | 4.39–4.88 (4.61) | |
pHCaCl2 | 3.35–4.10 (3.77) | 3.66–4.23 (4.0) | 3.57–4.05 (3.79) | |
LOI | % | 13–41 (23)b | 6–18 (11)a | 5.8–17.5 (11.1)a |
C | mmol g−1 | 6.2–18.2 (9.6)b | 2.8–8.2 (4)a | 2.2–8.2 (5)a |
N | mmol g−1 | 0.34–1.04 (0.6)c | 0.16–0.48 (0.19)a | 0.12–0.44 (0.32)b |
P | µmol g−1 | 17.4–59 (32.2)b | 10.7–45.9 (21.1)a | 18.2–39.43 (27.3)ab |
C:P | molar ratio | 64–222 (311)b | 135–387 (224)a | 79–266 (197)a |
C:N | molar ratio | 13.4–20 (16.5)a | 14.7–24.1 (19.2)b | 13.9–18.6 (16.4)a |
Pox | µmol g−1 | 8.2–26 (14.2)ab | 5.2–29.1 (10.8)a | 8.4–22 (15.4)b |
SRPox | µmol g−1 | 3–8.8 (4.1)a | 1.4–8.8 (5.7)a | 5.3–16.3 (10)b |
Alox | µmol g−1 | 47–345 (151)b | 88–377 (209)b | 42–159 (86)a |
Feox | µmol g−1 | 24–148 (83) | 24–213 (96) | 42–103 (61) |
(Al + Fe)ox | µmol g−1 | 91–492 (223)b | 112–509 (309)b | 85–219 (147)a |
POlsen | µmol g−1 | 0.1–0.3 (0.17)a | 0.04–0.34 (0.18)a | 0.16–3.5 (1.95)b |
Na+EX | µeq g−1 | 0.2–1.3 (0.6)b | 0.1–1 (0.3)a | 0.1–0.3 (0.2)a |
K+EX | µeq g−1 | 2.2–9.1 (4.9)b | 0.4–2.4 (1.3)a | 0.7–2.0 (1.3)a |
Mg2+EX | µeq g−1 | 1.4–7.1 (4.0)b | 0.3–1.8 (0.7)a | 0.3–2.1 (0.9)a |
Ca2+EX | µeq g−1 | 2.1–18 (6.3)b | 0.4–4.3 (2.6)a | 1.1–5.3 (1.8)a |
H+EX | µeq g−1 | 8.5–77 (22.5)b | 2.4–20.7 (14.5)a | 3.3–21.3 (10.7)a |
Al3+EX | µeq g−1 | 72–152 (99)b | 49–123 (94)b | 31–89 (66)a |
BCEX | µeq g−1 | 6.6–95 (15)b | 1.7–9.2 (4.4)a | 2.3–8.4 (4.4)a |
BS | % | 5–45 (12.6)a | 1.2–13 (5.3)a | 3.6–20 (5.9)a |
CEC | µeq g−1 | 107–212 (152)c | 55–145 (110)b | 43–109 (79)a |