长白山不同演替阶段针阔混交林群落物种多度分布格局

闫琰, 张春雨, 赵秀海

Species-abundance distribution patterns at different successional stages of conifer and broad-leaved mixed forest communities in Changbai Mountains, China

YAN Yan, ZHANG Chun-Yu, ZHAO Xiu-Hai

表3 次生针阔混交林不同尺度下5种模型拟合优度检验和中性模型参数

Table 3 Goodness of fit test of five models and parameters of neutral model at different sampling scales in secondary conifer and broad-leaved mixed forest

取样尺度 Sampling scale θ m 检验方法 Testing method NT LN ZM BS NP 10 m × 10 m 4.02 6.81×10-2 AIC 11.63 -9.54 -1.29 -3.65 -3.29 D 0.33 0.11 0.11 0.11 0.11 χ2 2.57 0.50 1.62 0.94 0.44 30 m × 30 m 4.52 8.48×10-3 AIC -0.49 43.63 63.96 78.09 49.46 D 0.11 0.05 0.32 0.21 0.05 χ2 2.40 4.51 18.27 39.93** 6.77 60 m × 60 m 4.72 2.26×10-3 AIC -30.12 138.20 160.07 183.85 135.34 D 0.04 0.12 0.35 0.27 0.08 χ2 0.69 30.73 104.53** 333.23** 38.10* 90 m × 90 m 5.13 1.08×10-3 AIC -62.54 228.97 250.67 278.79 211.49 D 0.03 0.16 0.41* 0.31 0.09 χ2 0.03 110.80** 313.97** 1 083.38** 89.22**