北热带喀斯特季节性雨林土壤和6个常见树种 凋落物的C、N、P化学计量学特征

郭屹立, 李冬兴, 王斌, 白坤栋, 向悟生, 李先琨

C, N and P stoichiometric characteristics of soil and litter fall for six common tree species in a northern tropical karst seasonal rainforest in Nonggang, Guangxi, southern China

Yili Guo,Dongxing Li,Bin Wang,Kundong Bai,Wusheng Xiang,Xiankun Li

表1 弄岗15 ha森林动态监测样地6个常见种物种属性及其偏好生境

Table 1 Characteristics and preferred habitats of six common tree species of the 15 ha forest dynamics plot in Nonggang, Guangxi

编号 No. 种名 Species 个体数 No. of individuals 平均胸径 Mean DBH (cm) 2014年凋落量 Litter fall in 2014 (kg/ha) 偏好生境 Preferred habitat 海拔 Altitude (m) SP1 海南椴 Diplodiscus trichosperma 1,982 6.65 425.1 上坡位 Upper slope 290.2 SP2 闭花木 Cleistanthus sumatranus 11,982 4.57 694.3 上坡位 Upper slope 279.2 SP3 广西牡荆 Vitex kwangsiensia 9,403 7.87 542.5 中坡位 Middle slope 253.9 SP4 苹婆 Sterculia monosperma 9,066 5.00 470.9 中坡位 Middle slope 244.1 SP5 中国无忧花 Saraca dives 194 13.67 161.3 低坡位 Lower slope 211.0 SP6 广西棋子豆 Archidendron guangxiensis 507 7.76 127.9 低坡位 Lower slope 207.9