Tree species Tree species Tree species Tree species Sampling site Sampling site Sampling site Leaf litter stoichiometry Leaf litter stoichiometry Leaf litter stoichiometry
Common name Species name Tree type Leaf type Area Latitude Longitude C (µg/mg) N (µg/mg) P (µg/mg) C release % N release % P release %
1 Japanese maple Acer amoenum var.amoenum Broadleaf Deciduous Aobayama N38.259 E140.837 403.40 (8.07) 9.56 (1.10) 0.29 (0.046) 24.30 6.28 48.40
2 Zelkova Zelkova serrata Broadleaf Deciduous Aobayama N38.259 E140.837 389.16 (3.82) 13.18 (2.07) 0.44 (0.029) 19.61 2.24 37.11
3 Erman’s birch Betula ermanii Broadleaf Deciduous Zao N38.129 E140.463 489.34 (3.79) 29.55 (1.48) 0.73 (0.026) 3.66 0.39 18.09
4 Oak Quercus serrata Broadleaf Deciduous Zao N38.122 E140.451 458.88 (8.63) 19.10 (1.59) 1.11 (0.19) 16.41 1.07 29.97
5 Siebold’s beech Fagus crenata Broadleaf Deciduous Kawatabi N38.745 E140.757 538.27 16.27 6.02 (0.60) 18.76 3.23 34.17
6 Japanese elm Ulmus davidiana var. japonica Broadleaf Deciduous Kawatabi N38.745 E140.757 401.98 (5.08) 20.38 (0.71) 9.79 (2.96) 36.13 4.99 52.43
7 Japanese hemlock Tsuga diversifolia Coniferous Evergreen Zao N38.122 E140.451 500.32 (3.58) 16.02 (1.36) 0.78 (0.13) 13.23 0.90 21.83
8 Japanese cedar Cryptomeria japonica Coniferous Evergreen Kawatabi N38.745 E140.757 489.19 (7.47) 13.67 (0.52) 1.12 (0.42) 14.83 1.01 22.50
9 Japanese Red pine Pinus densiflora Coniferous Evergreen Kawatabi N38.745 E140.757 498.30 (6.56) 19.69 (3.09) 1.26 (0.09) 12.88 0.58 47.51
10 Larch Larix leptolepis Coniferous Deciduous Kawatabi N38.745 E140.757 453.12 (7.34) 23.50 (1.87) 1.52 (0.29) 14.40 3.07 19.47
11 Hinoki cypress Chamaecyparis obtusa Coniferous Evergreen Kawatabi N38.745 E140.757 488.57 (2.12) 18.68 (1.65) 1.90 (0.31) 13.32 2.14 26.12