黔中地区不同马尾松群丛土壤球囊霉素分布特征

doi:10.16258/j.cnki.1674-5906.2021.12.004

生态环境学报 ›› 2021, Vol. 30 ›› Issue (12): 2303-2308.DOI: 10.16258/j.cnki.1674-5906.2021.12.004

黔中地区不同马尾松群丛土壤球囊霉素分布特征

张健(), 徐明, 王阳, 文春玉, 杨云礼, 张姣, 聂坤

贵州大学生命科学学院/真菌资源研究所,贵州贵阳 550025

收稿日期:2021-06-06 出版日期:2021-12-18 发布日期:2022-01-04
通讯作者: *
作者简介:张健（1980年生）,男,副教授,博士,从事生态环境效益评价与微生物生态学研究。E-mail: zhangjian12102@163.com
基金资助:
国家自然科学基金项目(31960234);国家自然科学基金项目(31660150);贵州省科技厅项目（黔科合重大专项字[2019]3005-4(黔科合重大专项字[2019]3005-4)

Distribution Characteristics of the Glomalin-Related Soil Protein of Different Pinus massoniana Association in Central Guizhou

ZHANG Jian(), XU Ming, WANG Yang, WEN Chunyu, YANG Yunli, ZHANG Jiao, NIE Kun

Institute of Fungal Resources/College of Life Sciences, Guizhou University, Guiyang 550025, China

Received:2021-06-06 Online:2021-12-18 Published:2022-01-04

摘要/Abstract

摘要：

球囊霉素相关土壤蛋白（GRSP）是表征土壤质量和土壤碳库的重要指标,对森林生态系统具有重要的生态意义。选取黔中地区6种马尾松（Pinus massoniana）群丛类型样地为研究对象,通过测定GRSP和土壤养分指标,揭示不同马尾松群丛生境土壤球囊霉素的分布特征及其与土壤养分因子间的相关关系。结果表明,不同马尾松群丛间土壤球囊霉素相关指标在0—20 cm和20—40 cm土层中的方差均达到极显著差异（P<0.01）。土壤球囊霉素的EE-GRSP和T-GRSP含量均随土层加深呈现出下降趋势;土壤EE-GRSP/SOC和T-GRSP/SOC比值则随着土层加深而呈现出增加趋势;而土壤EE-GRSP/T-GRSP比值随土层变化规律不一致,在不同马尾松群丛间存在明显差异。EE-GRSP、T-GRSP、EE-GRSP/SOC和T-GRSP/SOC与土壤SOC、TN、AN和AK间存在显著的相关关系（P<0.05或P<0.01）,而与土壤pH、TP和AP间相关关系不显著。研究表明不同马尾松群丛对土壤球囊霉素分布影响存在显著性差异。

Abstract:

Glomalin-related soil protein (GRSP) is an important indicator for soil quality and soil carbon pool, which has great ecological significance to forest ecosystem. In this study, six Pinus massoniana association sites in central Guizhou were selected as the research objects. By measuring the related indexes of GRSP and soil nutrient indexes, the distribution characteristics of soil glomalin and its correlation with soil nutrient factors among different P. massoniana associations were revealed. The results showed that the variances of soil glomalin related indexes in 0—20 cm and 20—40 cm soil layers were significantly different among different P. massoniana associations (P<0.01). EE-GRSP and T-GRSP were decreased with the deepening of soil layer. The ratios of EE-GRSP/SOC and T-GRSP/SOC increased with the deepening of soil layer. While the ratio of EE-GRSP/T-GRSP showed an inconsistent changed with soil layer, and there were significant differences among different P. massoniana associations. EE-GRSP, T-GRSP, EE-GRSP/SOC and T-GRSP/SOC were significantly correlated with soil SOC, TN, AN and AK (P<0.05 or P<0.01), but there was no significant correlation correlated with pH, TP and AP. The results showed that P. massoniana associations could significantly affect on the distribution of soil glomalin. The results show that different P. massoniana associations have significant differences on the distribution of soil GRSP.

Key words: forest soil, glomalin-related soil protein, Pinus massoniana, association, the Central Guizhou

中图分类号:

S154.4
X173

张健, 徐明, 王阳, 文春玉, 杨云礼, 张姣, 聂坤. 黔中地区不同马尾松群丛土壤球囊霉素分布特征[J]. 生态环境学报, 2021, 30(12): 2303-2308.

ZHANG Jian, XU Ming, WANG Yang, WEN Chunyu, YANG Yunli, ZHANG Jiao, NIE Kun. Distribution Characteristics of the Glomalin-Related Soil Protein of Different Pinus massoniana Association in Central Guizhou[J]. Ecology and Environment, 2021, 30(12): 2303-2308.

图/表 4

参考文献 22

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样地 Sites	海拔 Elevation/m	坡度 Slope/°	郁闭度 Canopy density/%	密度 Density/(plant∙hm^-2)	叶面积指数 LAI
马尾松-杉木群丛 Pinus massoniana-Cunninghamia lanceolata, Mp-Cl	1132	10	85	800	1.50
马尾松-响叶杨群丛 P. massoniana+ Populus adenopoda, Mp-Pa	1156	8	95	1500	1.45
马尾松-枫香群丛 P. massoniana+Liquidambar formosana, Mp-Lf	1080	5	72	650	1.30
马尾松-白栎群丛 P. massoniana+Quercus fabri, Mp-Qf	1162	10	93	1100	1.54
马尾松中龄纯林 P. massoniana Middle-age pure forest, Mp-Ma	977	8	88	650	1.65
马尾松老龄林 P. massoniana Old-growth forest, Mp-Og	943	12	68	150	1.49

样地 Sites	海拔 Elevation/m	坡度 Slope/°	郁闭度 Canopy density/%	密度 Density/(plant∙hm^-2)	叶面积指数 LAI
马尾松-杉木群丛 Pinus massoniana-Cunninghamia lanceolata, Mp-Cl	1132	10	85	800	1.50
马尾松-响叶杨群丛 P. massoniana+ Populus adenopoda, Mp-Pa	1156	8	95	1500	1.45
马尾松-枫香群丛 P. massoniana+Liquidambar formosana, Mp-Lf	1080	5	72	650	1.30
马尾松-白栎群丛 P. massoniana+Quercus fabri, Mp-Qf	1162	10	93	1100	1.54
马尾松中龄纯林 P. massoniana Middle-age pure forest, Mp-Ma	977	8	88	650	1.65
马尾松老龄林 P. massoniana Old-growth forest, Mp-Og	943	12	68	150	1.49

土层 Layers/cm	统计 Statistics	pH	w_(SOC)/(g∙kg^-1)	w_(TN)/(g∙kg^-1)	w_(TP)/(g∙kg^-1)	w_(AN)/(mg∙kg^-1)	w_(AP)/(mg∙kg^-1)	w_(AK)/(mg∙kg^-1)
0—20	Mean	4.62	27.27a	1.29a	0.24a	33.88a	12.97a	56.22a
	SD	0.19	6.18	0.44	0.12	15.24	3.72	14.78
	Min	4.32	14.69	0.12	0.06	8.33	8.28	39.00
	Max	4.91	33.74	1.98	0.51	68.31	21.52	83.00
	Kurtosis	-1.07	-0.13	1.77	0.49	0.67	-0.22	-0.40
	Skewness	-0.19	-1.04	-0.77	1.06	0.61	0.81	0.76
	CV	4.07	22.66	34.18	49.31	44.98	28.72	26.28
20—40	Mean	4.58	7.79b	0.56b	0.16b	15.68b	10.31b	28.06b
	SD	0.18	2.69	0.29	0.08	11.96	2.81	8.02
	Min	4.36	3.42	0.06	0.09	1.19	5.41	15.00
	Max	4.86	11.16	1.24	0.38	51.17	15.91	42.00
	Kurtosis	-1.66	-1.30	1.29	4.48	3.53	-0.10	-0.71
	Skewness	0.37	-0.47	0.14	2.25	1.53	0.44	0.12

土层 Layers/cm	统计 Statistics	pH	w_(SOC)/(g∙kg^-1)	w_(TN)/(g∙kg^-1)	w_(TP)/(g∙kg^-1)	w_(AN)/(mg∙kg^-1)	w_(AP)/(mg∙kg^-1)	w_(AK)/(mg∙kg^-1)
0—20	Mean	4.62	27.27a	1.29a	0.24a	33.88a	12.97a	56.22a
	SD	0.19	6.18	0.44	0.12	15.24	3.72	14.78
	Min	4.32	14.69	0.12	0.06	8.33	8.28	39.00
	Max	4.91	33.74	1.98	0.51	68.31	21.52	83.00
	Kurtosis	-1.07	-0.13	1.77	0.49	0.67	-0.22	-0.40
	Skewness	-0.19	-1.04	-0.77	1.06	0.61	0.81	0.76
	CV	4.07	22.66	34.18	49.31	44.98	28.72	26.28
20—40	Mean	4.58	7.79b	0.56b	0.16b	15.68b	10.31b	28.06b
	SD	0.18	2.69	0.29	0.08	11.96	2.81	8.02
	Min	4.36	3.42	0.06	0.09	1.19	5.41	15.00
	Max	4.86	11.16	1.24	0.38	51.17	15.91	42.00
	Kurtosis	-1.66	-1.30	1.29	4.48	3.53	-0.10	-0.71
	Skewness	0.37	-0.47	0.14	2.25	1.53	0.44	0.12

指标 Index	w_(T-GRSP)	w_(EE-GRSP)/w_(T-GRSP)	w_(EE-GRSP)/w_(SOC)	w_(T-GRSP)/w_(SOC)	pH	w_(SOC)	w_(TP)	w_(TN)	w_(AN)	w_(AP)	w_(AK)
w_(EE-GRSP)	0.818^**	0.614^*	-0.691^*	-0.761^**	-0.193	0.786^**	0.483	0.782^**	0.682^*	0.308	0.676^*
w_(T-GRSP)		0.050	-0.763^**	-0.765^**	-0.154	0.874^**	0.437	0.814^**	0.563	0.448	0.594^*
w_(EE-GRSP)/w_(T-GRSP)			-0.136	-0.260	-0.166	0.154	0.213	0.226	0.371	-0.079	0.325
w_(EE-GRSP)/w_(SOC)				0.990^**	-0.178	-0.779^**	-0.515	-0.677^*	-0.608^*	-0.444	-0.706^*
w_(T-GRSP)/w_(SOC)					-0.131	-0.786^**	-0.530	-0.698^*	-0.621^*	-0.443	-0.718^**

黔中地区不同马尾松群丛土壤球囊霉素分布特征

Distribution Characteristics of the Glomalin-Related Soil Protein of Different Pinus massoniana Association in Central Guizhou

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