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4 椴树红松林不同尺度下5种模型拟合优度检验和中性模型参数

Table 4 Goodness of fit test of five models and parameters of neutral model at different sampling scales in Tilia amurensis-Pinus koraiensis 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	1.70	3.85×10^-2	AIC	10.93	-	-0.58	-4.58	-6.05
			D	0.11	0.11	0.33	0.22	0.11
			χ²	5.40	0.00	0.55	0.68	0.18
30 m × 30 m	1.77	4.29×10^-3	AIC	17.42	35.94	42.24	48.50	24.92
			D	0.11	0.11	0.33	0.22	0.11
			χ²	2.48	6.79	18.74^*	36.49^**	2.97
60 m × 60 m	1.68	1.00×10^-3	AIC	-7.13	81.56	85.51	87.36	66.07
			D	0.09	0.09	0.36	0.36	0.09
			χ²	0.34	72.00^**	124.70^**	250.62^**	25.79^**
90 m × 90 m	1.62	4.28×10^-4	AIC	-6.51	110.29	113.89	115.97	94.99
			D	0.08	0.17	0.42	0.33	0.17
			χ²	0.52	219.31^**	348.21^**	708.79^**	84.41^**