泥炭地特征性环境因子促进泥炭藓持久孢子库的形成

冯璐,卜兆君,吴玉环,刘莎莎,刘超

Characteristic environmental factors in peatlands facilitate the formation of persistent Sphagnum spore banks

FENG Lu,BU Zhao-Jun,WU Yu-Huan,LIU Sha-Sha,LIU Chao

表5 两种泥炭藓孢子持久性与保存液理化指标的通径分析

Table 5 Path analysis of spore persistence and water physicochemical indicators

物种 Species	因子 Factor	直接作用 Direct effect	间接作用 Indirect effect
物种 Species	因子 Factor	直接作用 Direct effect	DO	pH	Eh	TN	TP	K⁺	Ca²⁺	Na⁺	Mg²⁺	总酚Phenolics
尖叶泥炭藓 Sphagnum capillifolium	DO	-0.777		0.270	-0.068	-0.007	-0.007	0.003	-0.030	0.005	-0.025	0.018
	pH	0.480	-0.437		-0.084	0.012	0.011	0.000	0.308	0.002	0.312	0.297
	Eh	0.210	0.250	-0.192		-0.024	-0.022	0.008	-0.119	0.015	-0.103	-0.061
	TN	-0.067	-0.103	-0.088	0.076		-0.062	0.026	-0.124	0.049	-0.070	0.020
	TP	-0.062	-0.102	-0.084	0.076	-0.067		0.026	-0.119	0.049	-0.066	0.024
	K⁺	0.027	-0.091	-0.004	0.065	-0.065	-0.061		-0.032	0.051	0.024	0.107
	Ca²⁺	0.403	0.070	0.367	-0.062	0.021	0.018	-0.002		-0.001	0.403	0.358
	Na⁺	0.051	-0.087	0.018	0.062	-0.064	-0.060	0.027	-0.009		0.047	0.129
	Mg²⁺	0.407	0.058	0.367	-0.053	0.012	0.010	0.002	0.399	0.006		0.374
	总酚Phenolics	0.387	-0.045	0.368	-0.033	-0.003	-0.004	0.007	0.373	0.017	0.393
喙叶泥炭藓 Sphagnum flexuosum	DO	-0.402		0.014	0.029	-0.040	-0.040	-0.034	-0.009	-0.032	-0.005	0.003
	pH	0.025	-0.226		0.036	0.068	0.065	0.003	0.098	-0.013	0.060	0.042
	Eh	-0.089	0.129	-0.010		-0.135	-0.135	-0.111	-0.038	-0.103	-0.020	-0.009
	TN	-0.372	-0.044	-0.005	-0.032		-0.372	-0.348	-0.039	-0.336	-0.013	0.003
	TP	-0.372	-0.043	-0.004	-0.032	-0.372		-0.349	-0.038	-0.337	-0.013	0.003
	K⁺	-0.358	-0.038	0.000	-0.028	-0.362	-0.363		-0.010	-0.350	0.005	0.015
	Ca²⁺	0.128	0.030	0.019	0.026	0.114	0.110	0.029		0.008	0.077	0.051
	Na⁺	-0.351	-0.037	0.001	-0.026	-0.356	-0.358	-0.357	-0.003		0.009	0.018
	Mg²⁺	0.078	0.024	0.019	0.023	0.064	0.060	-0.021	0.127	-0.041		0.053
	总酚Phenolics	0.055	-0.019	0.019	0.014	-0.019	-0.023	-0.099	0.118	-0.117	0.075