Interactive effects of stand development and seasonality on soil arthropod community in poplar plantations

doi:10.12302/j.issn.1000-2006.202203050

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2023, Vol. 47 ›› Issue (5): 224-230.doi: 10.12302/j.issn.1000-2006.202203050

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Interactive effects of stand development and seasonality on soil arthropod community in poplar plantations

LIU Xingjie¹(), WU Qiqi¹(), LI Yuanyuan¹^,²^,^*(), RUAN Honghua², DING Xuenong³, CAO Guohua³, SHEN Caiqin³

1. School of Food Science, Nanjing Xiaozhuang University, Nanjing 211171, China
2. College of Ecology and Environment, Nanjing Forestry University, Nanjing 210037, China
3. Dongtai City Forest Farm of Jiangsu Province, Dongtai 224200, China

Received:2022-03-22 Revised:2022-10-24 Online:2023-09-30 Published:2023-10-10

Abstract

Abstract:

【Objective】Soil arthropods are important components of soil biodiversity and play a critical role in ecosystems. Although afforestation with poplar plantations can improve soil properties in the saline soils of coastal area, little is known about the impact of plantation stand development on soil arthropods.【Method】In this study, we determined the community dynamics of soil dwelling arthropods across three aged poplar plantations (i.e., 5-, 10-, and 21-year-old) through a randomized block design with three repeated blocks over the course of one year, which included four sampling dates (i.e., spring, May; summer, August; autumn, November; and winter, February) in a coastal area of northern Jiangsu Province, China. 【Result】Prostigmata, Oribatida, Hymenoptera, Collembola, and Coleoptera comprised the dominant orders and together accounted for 89.4% of the total individuals. On average, both total number and those richness were the highest in the 10-year-old stands and the lowest in the 5-year-old stands and were higher in May and August than species in November and February. The abundance, Order richness, and community composition of soil arthropods were significantly affected by stand age, sampling date and their interaction. The total abundance showed strong age-dependent trends in May and August but not in February and November. Order richness was the highest in both 10- and 21-year-old stands observed in May and August. Permutational multivariate analysis of variance demonstrated that Order composition also differed strongly with sampling date and stand age, with 10-year-old stands sampled in May distinct from other sampling dates. 【Conclusion】The abundance and richness of soil arthropods in 10-year-old stands were higher than number in 5-year-old stands, and impact of stand age on the soil arthropod community depended on the seasonal changes. Our results highlight that both stand development and climate seasonality act strongly on soil arthropod community dynamics in the poplar plantations, while the related mechanisms need a further study.

Key words: soil fauna, saline soil, Collembola, Oribatida, Prostigmata, biodiversity

CLC Number:

S718.6

LIU Xingjie, WU Qiqi, LI Yuanyuan, RUAN Honghua, DING Xuenong, CAO Guohua, SHEN Caiqin. Interactive effects of stand development and seasonality on soil arthropod community in poplar plantations[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2023, 47(5): 224-230.

Figures/Tables 7

Table 1

Table 2

Fig. 1

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林龄/a stand age	含水率/% moisture content	pH	硝态氮含量/ (μg·g^-1) NO^3--N content	铵态氮含量/ (μg·g^-1) NH⁴⁺-N content	总氮含量/ (g·kg^-1) TN content	总有机碳含量/ (g·kg^-1) TOC content
5	19.74 ± 0.79 b	8.13 ± 0.21 a	4.88 ± 0.31 a	2.79 ± 0.24 a	1.83 ± 0.07 b	17.05 ± 0.28 a
10	24.88 ± 0.36 a	8.03 ± 0.12 a	5.81 ± 0.45 a	3.17 ± 0.26 a	2.19 ± 0.05 a	17.25 ± 0.37 a
21	23.61 ± 1.43 a	8.25 ± 0.15 a	3.48 ± 0.29 b	2.88 ± 0.12 a	1.85 ± 0.09 b	18.26 ± 0.43 a

类群 group	处理 treatment	平方和 sum squares	df	F	P
总数 total number	林龄age	2 972.6	2, 24	19.32	<0.01
	时间date	2 004.3	3, 24	8.69	<0.05
	林龄×时间 age×date	5 621.3	6, 24	12.18	<0.001
前气门亚目 Prostigmata	林龄age	878.1	2, 24	22.76	<0.01
	时间date	796.6	3, 24	13.77	<0.001
	林龄×时间 age×date	1 622.3	6, 24	14.02	<0.001
甲螨亚目 Oribatida	林龄age	143.1	2, 24	11.76	<0.01
	时间date	194.3	3, 24	10.65	<0.001
	林龄×时间 age×date	174.2	6, 24	4.77	<0.01
膜翅目 Hymenoptera	林龄age	136.4	2, 6	39.17	<0.001
	时间date	295.7	3, 18	56.62	<0.001
	林龄×时间 age×date	875.5	6, 18	83.82	<0.001
弹尾纲 Collembola	林龄age	40.4	2, 24	5.35	<0.05
	时间date	28.9	3, 24	2.55	0.085
	林龄×时间 age×date	69.6	6, 24	3.07	<0.05
鞘翅目 Coleoptera	林龄age	1.7	2, 24	1.48	0.249
	时间date	1.2	3, 24	0.68	0.571
	林龄×时间 age×date	3.4	6, 24	0.97	0.467

变量 variable	处理 treatment	平方和 SS	df	F	P
丰富度 richness	林龄age	18.1	2, 24	8.78	<0.01
	时间date	23.4	3, 24	7.59	<0.01
	林龄×时间 age×date	20.2	6, 24	3.27	<0.05
均匀度 evenness	林龄age	0.1	2, 24	9.50	<0.05
	时间date	0.0	3, 24	1.70	0.208
	林龄×时间 age×date	0.2	6, 24	11.30	<0.001
香农-威纳多样性 Shannon-Wiener index	林龄age	0.5	2, 24	2.20	0.131
	时间date	0.8	3, 24	2.30	0.106
	林龄×时间 age×date	0.8	6, 24	1.20	0.359
辛普森多样性 Simpson’s index	林龄age	0.1	2, 24	1.20	0.307
	时间date	0.1	3, 24	0.90	0.445
	林龄×时间 age×date	0.2	6, 24	1.10	0.377

处理 treatment	平方和 sum squares	df	F	R²	P
林龄age	1.14	2	7.52	0.16	0.001
时间time	1.71	3	7.52	0.24	0.001
林龄×时间 age×date	2.32	6	5.10	0.33	0.001
残差residuals	1.82	24		0.26

Interactive effects of stand development and seasonality on soil arthropod community in poplar plantations

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