Table 1 Basic information of the sample plots
Tree species | Sample plot | Slope position | Longitude | Latitude | Altitude (m) | Aspect | Gradient (°) | Litter thickness (cm) |
|---|---|---|---|---|---|---|---|---|
Q. variabilis | 1 | Bottom slope (VS1) | 112° 12′ 44.46″ | 33° 44′ 55.23″ | 1209 | Sunny slope | 25 | 3.4 |
2 | Middle slope (MS1) | 112° 12′ 56.39″ | 33° 44′ 54.19″ | 1307 | Sunny slope | 24 | 2.7 | |
3 | Top slope (RS1) | 112° 13′ 6.61″ | 33° 44′ 57.59″ | 1360 | Sunny slope | 32 | 2.2 | |
4 | Bottom slope (VS2) | 112° 12′ 32.38″ | 33° 45′ 28.02″ | 1086 | Shady slope | 31 | 4.6 | |
5 | Middle slope (MS2) | 112° 12′ 44.69″ | 33° 45′ 27.57″ | 1184 | Shady slope | 28 | 4.7 | |
6 | Top slope (RS2) | 112° 12′ 58.48″ | 33° 45′ 27.81″ | 1240 | Shady slope | 30 | 3.2 | |
7 | Bottom slope (VS1) | 112° 13′ 11.39ʺ | 33° 44′ 20.81ʺ | 1287 | Sunny slope | 34 | 4.3 | |
8 | Middle slope (MS1) | 112° 13ʹ 15.30ʺ | 33° 44′ 26.45ʺ | 1355 | Sunny slope | 31 | 3.5 | |
9 | Top slope (RS1) | 112° 13ʹ 19.03ʺ | 33° 44ʹ 32.04ʺ | 1440 | Sunny slope | 25 | 3.1 | |
10 | Bottom slope (VS2) | 112° 13ʹ 12.07ʺ | 33° 44ʹ 40.88ʺ | 1370 | Shady slope | 27 | 4.1 | |
11 | Middle slope (MS2) | 112° 13ʹ 18.55ʺ | 33° 44ʹ 37.46ʺ | 1421 | Shady slope | 28 | 4.0 | |
12 | Top slope (RS2) | 112° 13ʹ26.91ʺ | 33° 44ʹ34.64ʺ | 1467 | Shady slope | 23 | 3.1 | |
13 | Bottom slope (VS1) | 112° 12ʹ 32.32″ | 33° 44ʹ 22.89″ | 1149 | Sunny slope | 25 | 3.5 | |
14 | Middle slope (MS1) | 112° 12ʹ 36.69″ | 33° 44ʹ 26.32″ | 1173 | Sunny slope | 28 | 3.8 | |
15 | Top slope (RS1) | 112° 12ʹ38.10″ | 33° 44ʹ31.79″ | 1243 | Sunny slope | 29 | 3.5 | |
16 | Bottom slope (VS2) | 112° 12ʹ37.97″ | 33° 44ʹ46.66″ | 1136 | Shady slope | 25 | 5.7 | |
17 | Middle slope (MS2) | 112° 12ʹ 39.44″ | 33° 44ʹ 40.48″ | 1205 | Shady slope | 21 | 4.3 | |
18 | Top slope (RS2) | 112° 12ʹ 42.21″ | 33° 44ʹ 34.73″ | 1256 | Shady slope | 23 | 4.2 | |
L. principis-ruprechtii | 19 | Bottom slope (VS1) | 112° 12′ 42.65″ | 33° 45′ 39.63″ | 1069 | Sunny slope | 24 | 5.3 |
20 | Middle slope (MS1) | 112° 12′ 52.72″ | 33° 45′ 37.37″ | 1195 | Sunny slope | 25 | 4.6 | |
21 | Top slope (RS1) | 112° 13′ 3.13″ | 33° 45′ 35.62″ | 1311 | Sunny slope | 26 | 3.8 | |
22 | Bottom slope (VS2) | 112° 12′ 47.91″ | 33° 45′ 43.40″ | 1153 | Shady slope | 20 | 4.5 | |
33 | Middle slope (MS2) | 112° 12′ 57.87″ | 33° 45′ 41.23″ | 1226 | Shady slope | 34 | 4.2 | |
24 | Top slope (RS2) | 112° 13′ 5.34″ | 33° 45′ 38.53″ | 1331 | Shady slope | 25 | 3.2 | |
25 | Bottom slope (VS1) | 112° 12ʹ7.23″ | 33° 44ʹ 54.27″ | 1109 | Sunny slope | 29 | 4.3 | |
26 | Middle slope (MS1) | 112° 11ʹ 57.30″ | 33° 44ʹ 59.39″ | 1212 | Sunny slope | 25 | 3.8 | |
27 | Top slope (RS1) | 112° 11ʹ47.41″ | 33° 45ʹ0.30″ | 1345 | Sunny slope | 34 | 2.5 | |
28 | Bottom slope (VS2) | 112° 12ʹ13.68″ | 33° 45ʹ10.37″ | 1093 | Shady slope | 27 | 4.3 | |
29 | Middle slope (MS2) | 112° 12ʹ4.40″ | 33° 45ʹ8.13″ | 1163 | Shady slope | 30 | 4.5 | |
30 | Top slope (RS1) | 112° 11ʹ52.01″ | 33° 45ʹ4.55″ | 1301 | Shady slope | 26 | 3.2 | |
31 | Bottom slope (VS1) | 112° 14ʹ14.85″ | 33° 45ʹ55.27″ | 1078 | Sunny slope | 21 | 5.6 | |
32 | Middle slope (MS1) | 112° 14ʹ24.14″ | 33° 45ʹ50.39″ | 1200 | Sunny slope | 31 | 4.4 | |
33 | Top slope (RS1) | 112° 14ʹ37.06″ | 33° 45ʹ47.30″ | 1388 | Sunny slope | 27 | 5.1 | |
34 | Bottom slope (VS2) | 112° 14ʹ40.09″ | 33° 46ʹ8.33″ | 1087 | Shady slope | 21 | 4.5 | |
35 | Middle slope (MS2) | 112° 14ʹ40.08 | 33° 45ʹ59.66″ | 1202 | Shady slope | 25 | 4.2 | |
36 | Top slope (RS2) | 112° 14ʹ42.64 | 33° 45ʹ49.76″ | 1388 | Shady slope | 25 | 2.6 | |
C. coggygria Scop. | 37 | Bottom slope (VS1) | 112° 12′ 27.81″ | 33° 46′ 3.39″ | 993 | Sunny slope | 28 | 5.5 |
38 | Middle slope (MS1) | 112° 12′ 36.44″ | 33° 46′ 2.66″ | 1048 | Sunny slope | 34 | 6.6 | |
39 | Top slope (RS1) | 112° 12′ 43.91″ | 33° 46′ 4.56″ | 1123 | Sunny slope | 35 | 6.2 | |
40 | Bottom slope (VS1) | 112° 12′ 37.68″ | 33° 45′ 52.39″ | 1044 | Shady slope | 25 | 5.8 | |
41 | Middle slope (MS2) | 112° 12′ 45.60″ | 33° 45′ 55.53″ | 1141 | Shady slope | 26 | 5.6 | |
42 | Top slope (RS2) | 112° 12′ 54.37″ | 33° 45′ 55.53″ | 1204 | Shady slope | 27 | 4.6 | |
43 | Bottom slope (VS1) | 112° 11′ 50.03 | 33° 43′ 16.02″ | 1408 | Sunny slope | 24 | 5.6 | |
44 | Middle slope (MS1) | 112° 11′ 47.12 | 33° 43′ 22.11″ | 1448 | Sunny slope | 28 | 7.2 | |
45 | Top slope (RS1) | 112° 11′ 46.77 | 33° 43′ 30.00″ | 1535 | Sunny slope | 35 | 3.5 | |
46 | Bottom slope (VS1) | 112° 11′ 39.22 | 33° 43′ 50.93″ | 1414 | Shady slope | 34 | 5.6 | |
47 | Middle slope (MS2) | 112° 11′ 39.96 | 33° 43′ 44.16″ | 1483 | Shady slope | 25 | 5.4 | |
48 | Top slope (RS2) | 112° 11′ 40.80 | 33° 43′ 35.35″ | 1530 | Shady slope | 26 | 6.2 | |
49 | Bottom slope (VS1) | 112° 12′ 15.96 | 33° 45′ 44.48″ | 1005 | Sunny slope | 28 | 6.5 | |
50 | Middle slope (MS1) | 112° 12′ 9.66 | 33° 45′ 40.66″ | 1066 | Sunny slope | 27 | 5.4 | |
51 | Top slope (RS1) | 112° 12′ 0.29 | 33° 45′ 37.30″ | 1166 | Sunny slope | 31 | 4.5 | |
52 | Bottom slope (VS2) | 112° 12′ 21.07 | 33° 45′ 31.34″ | 989 | Shady slope | 32 | 7.8 | |
53 | Middle slope (MS2) | 112° 12′ 17.06 | 33° 45′ 33.99″ | 1018 | Shady slope | 28 | 7.5 | |
54 | Top slope (RS2) | 112° 12′ 13.97 | 33° 45′ 37.13″ | 1068 | Shady slope | 24 | 6.4 |