Soil microbial community diversity in low-coverage sand-fixing forest belts

doi:10.7522/j.issn.1000-694X.2024.00052

Journal of Desert Research ›› 2024, Vol. 44 ›› Issue (4): 102-110.DOI: 10.7522/j.issn.1000-694X.2024.00052

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Soil microbial community diversity in low-coverage sand-fixing forest belts

Yanan Wang¹(), Wei Feng², Wenbin Yang³()

^1.College of Dester Control Science and Engineering，Inner Mongolia Agricultural University，Hohhot 010018，China
^2.Xilingol Vocational College，Xilinhot 026000，Inner Mongolia，China
^3.Institute of Desertification Studies，Chinese Academy of Forestry，Beijing 100091，China

Received:2024-04-02 Revised:2024-04-17 Online:2024-07-20 Published:2024-08-29
Contact: Wenbin Yang

Abstract

Abstract:

The structure and diversity characteristics of soil microbial communities in low-coverage sand-fixing forest belts were analyzed and compared by applying high-throughput sequencing technology in a 25 m wide forest belts sample plots of low-coverage （15%-25%） sand-fixing forest belt as a research object. The results showed that：（1） There were significant differences between soil physical and chemical properties， and the sand-fixing forest belt promoted the recovery of soil physical and chemical properties and soil microorganisms. The best recovery effect was at the position of 15 m in the forest belts， with the relatively high index of soil microbial diversity and high community richness. （2） The main dominant bacterial groups in the soil were Actinobacteria， Proteobacteria， Acidobacteria， Chloroflexi， of which Actinobacteria had the highest relative abundance； Ascomycetes was the main dominant bacterial group in the fungal community， and Mortierellomycota was the subdominant bacterial group of the sand-fixing forest belt. （3） Available potassium， bulk density， organic matter were important factors affecting soil microbial community structure.

Key words: low-coverage sand-fixing forest belt, soil physicochemical properties, diversity, microbial community

CLC Number:

S154.3

Yanan Wang, Wei Feng, Wenbin Yang. Soil microbial community diversity in low-coverage sand-fixing forest belts[J]. Journal of Desert Research, 2024, 44(4): 102-110.

Figures/Tables 10

References 37

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样地名称	土壤容重/（g·cm^-3）	pH（1:1）	有机质/（g·kg^-1）	速效钾/（mg·kg^-1）	速效磷/（mg·kg^-1）	碱解氮/（mg·kg^-1）
5 m	1.33±0.05^a	8.55±0.05^b	5.50±0.41^ab	57.42±2.45^b	2.69±0.08^b	48.77±2.36^b
10 m	1.32±0.04^a	8.55±0.03^b	5.50±0.38^ab	58.76±0.01^ab	2.96±1.15^b	49.78±2.61^b
15 m	1.30±0.11^a	8.50±0.06^b	6.40±2.34^ab	66.52±4.9^a	3.31±0.48^b	51.63±2.92^b
20 m	1.31±0.12^a	8.51±0.05^b	6.18±0.60^ab	67.17±4.6^a	3.23±1.28^b	49.78±4.38^b
25 m	1.36±0.04^a	8.54±0.03^b	5.21±1.87^b	53.68±5.02^b	2.04±0.08^b	52.65±2.73^b
常规林	1.39±0.05^a	8.69±0.07^c	4.95±1.45^b	52.94±6.27^b	1.92±0.76^b	41.35±5.11^c
对照	1.28±0.01^a	8.35±0.15^a	7.99±1.47^a	67.39±5.52^a	5.68±0.43^a	61.05±5.85^a

样地名称	土壤容重/（g·cm^-3）	pH（1:1）	有机质/（g·kg^-1）	速效钾/（mg·kg^-1）	速效磷/（mg·kg^-1）	碱解氮/（mg·kg^-1）
5 m	1.33±0.05^a	8.55±0.05^b	5.50±0.41^ab	57.42±2.45^b	2.69±0.08^b	48.77±2.36^b
10 m	1.32±0.04^a	8.55±0.03^b	5.50±0.38^ab	58.76±0.01^ab	2.96±1.15^b	49.78±2.61^b
15 m	1.30±0.11^a	8.50±0.06^b	6.40±2.34^ab	66.52±4.9^a	3.31±0.48^b	51.63±2.92^b
20 m	1.31±0.12^a	8.51±0.05^b	6.18±0.60^ab	67.17±4.6^a	3.23±1.28^b	49.78±4.38^b
25 m	1.36±0.04^a	8.54±0.03^b	5.21±1.87^b	53.68±5.02^b	2.04±0.08^b	52.65±2.73^b
常规林	1.39±0.05^a	8.69±0.07^c	4.95±1.45^b	52.94±6.27^b	1.92±0.76^b	41.35±5.11^c
对照	1.28±0.01^a	8.35±0.15^a	7.99±1.47^a	67.39±5.52^a	5.68±0.43^a	61.05±5.85^a

样地名称	Ace指数	Chao指数	Shannon指数	Simpson指数	Coverage指数
5 m	2907.26±315.39^ab	2810.14±74.46^ab	6.29±0.07^a	0.005±0.001^a	0.98
10 m	2986.7±175.25^ab	2886.67±117.79^ab	6.28±0.12^a	0.005±0.001^a	0.98
15 m	3155.66±65.2^ab	3155.66±65.2^ab	6.23±0.05^a	0.004±0.001^a	0.98
20 m	3012.66±60.38^b	3048.57±84.62^b	6.36±0.01^a	0.005±0.001^a	0.98
25 m	2822.56±150.44^ab	2707.26±32.55^ab	6.23±0.05^a	0.005±0.001^a	0.99
常规林	2708.09±255.47^b	2672.56±61.69^ab	6.19±0.01^a	0.006±0.001^a	0.98
对照	3188.32±85.92^a	3167.38±70.76^a	6.36±0.03^a	0.003±0.002^a	0.99

样地名称	Ace指数	Chao指数	Shannon指数	Simpson指数	Coverage指数
5 m	2907.26±315.39^ab	2810.14±74.46^ab	6.29±0.07^a	0.005±0.001^a	0.98
10 m	2986.7±175.25^ab	2886.67±117.79^ab	6.28±0.12^a	0.005±0.001^a	0.98
15 m	3155.66±65.2^ab	3155.66±65.2^ab	6.23±0.05^a	0.004±0.001^a	0.98
20 m	3012.66±60.38^b	3048.57±84.62^b	6.36±0.01^a	0.005±0.001^a	0.98
25 m	2822.56±150.44^ab	2707.26±32.55^ab	6.23±0.05^a	0.005±0.001^a	0.99
常规林	2708.09±255.47^b	2672.56±61.69^ab	6.19±0.01^a	0.006±0.001^a	0.98
对照	3188.32±85.92^a	3167.38±70.76^a	6.36±0.03^a	0.003±0.002^a	0.99

样地名称	Ace指数	Chao指数	Shannon指数	Simpson指数	Coverage指数
5 m	234.99±36.27^b	238.08±14.38^b	2.62±0.02^ab	0.11±0.09^bc	0.99
10 m	241.22±20.35^b	242.56±10.52^b	2.69±0.07^ab	0.11±0.01^abc	0.99
15 m	247.15±1.98^b	249.59±7.75^b	3.48±0.05^a	0.05±0.01^bc	0.99
20 m	277.01±2.79^a	259.4±11.17^b	2.74±0.01^ab	0.08±0.02^bc	0.99
25 m	228.34±21.37^b	230.46±12.45^b	2.19±0.01^b	0.15±0.02^ab	0.99
常规林	198.84±18.53^b	199.67±6.45^c	2.29±0.31^b	0.20±0.03^a	0.99
对照	338.71±39.04^a	339.11±9.91^a	3.65±0.87^a	0.04±0.01^c	0.99

Soil microbial community diversity in low-coverage sand-fixing forest belts

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