Coupling Characteristics of 6 Different Plant Communities and Soil in Hulunbuir Grassland

doi:10.11924/j.issn.1000-6850.casb2026-0041

Abstract

Abstract:

The Hulunbuir grassland is currently in a state of degradation due to disturbances from mining areas, climate, grazing and other factors, and its vegetation recovery is closely related to soil improvement processes. This study aims to reveal the coupling mechanism between dominant plant communities and the soil environment. 6 typical plant communities, including Cleistogenes chinensis, Potentilla fragarioides, Carex tristachya Thunb., Leymus chinensis, Vicia sepium and Potentilla chinensis Ser, were selected. A comprehensive evaluation system comprising 7 vegetation indices and 6 soil indices was constructed. The analytic hierarchy process and entropy-weight method were combined to assign weights, and a coupling-coordination model was applied for quantitative analysis. The results showed that: (1) communities differed significantly (P<0.05) in mean height, coverage, biomass and diversity indices; Carex tristachya Thunb showed the highest diversity, whereas Vicia sepium achieved the greatest coverage and biomass; (2) soil moisture, nutrient contents and physicochemical properties varied markedly among communities; (3) the plant-soil coupling-coordination degree ranged from 0.697 to 0.956, indicating an overall good coordination; Leymus chinensis and Cleistogenes chinensis reached premium synchronous coordination, whereas Carex tristachya Thunb and Vicia sepium exhibited soil-lagged coordination. In conclusion, vegetation type strongly modulates soil moisture and nutrient dynamics, while soil properties in turn shape community structure. Cleistogenes chinensis and Vicia sepium demonstrates superior plant-soil coupling performance and are recommended as priority species for ecological restoration of mining-affected grasslands in eastern Inner Mongolia.

Key words: grassland ecosystem, plant community characteristics, soil physical and chemical properties, coupling characteristics

CLC Number:

S812草地学、草原学

ZHANG Junqing, WU Shaoyang, ZHANG Yan, HOU Jian, WU Hailong. Coupling Characteristics of 6 Different Plant Communities and Soil in Hulunbuir Grassland[J]. Chinese Agricultural Science Bulletin, 2026, 42(15): 119-128.

Figures/Tables 9

References 37

[1]	薛博. 内蒙古持续奋战筑牢北疆绿色长城[J]. 内蒙古林业, 2025(7):1.
[2]	宋争, 李源, 张金晓, 等. 草原城市高质量发展耦合协调效应及驱动因子分析[J]. 自然保护地, 2025, 5(3):93-105.
[3]	李祎, 李亚晓, 亓雯雯, 等. 全球草地退化的成因、修复技术及恢复效果评估研究进展[J]. 中国草地学报, 2024, 46(11):110-129.
[4]	周春菡, 郭戌, 陈科宇, 等. 新疆高寒草原围封恢复过程中植物、土壤与菌根真菌群落的响应特征[J]. 生态学报, 2026(1):1-13.
[5]	LIN X, ZHAO H, ZHANG S, et al. Grassland irrigation and grazing prohibition have significantly affected vegetation and microbial diversity by changing soil temperature and moisture, evidences from a 6 years experiment of typical temperate grassland[J]. Agriculture, ecosystems and environment, 2025, 380:109414. doi: 10.1016/j.agee.2024.109414 URL
[6]	HOU H, ZHANG Y, ZHOU J, et al. Aridity and soil properties drive the shrub-herb interactions along drought gradient in desert grassland in Inner Mongolia[J]. Agronomy, 2024, 14(11):2588-2588. doi: 10.3390/agronomy14112588 URL
[7]	KORBOULEWSKY N, JAVOY T, PÉROT T, et al. Importance of species identity, species mixing and understory on carbon and nitrogen stocks in sessile oak and Scots pine stands[J]. The science of the total environment, 2025, 1000:180410. doi: 10.1016/j.scitotenv.2025.180410 URL
[8]	WINSOME T, SILVA C L, SCOW M K, et al. Plant-microbe interactions regulate carbon and nitrogen accumulation in forest soils[J]. Forest ecology and management, 2017, 384:415-423. doi: 10.1016/j.foreco.2016.10.036 URL
[9]	XINYUE Y, ZEPENG Z, QINGYU G, et al. Coupling mechanism between vegetation and multi-depth soil moisture in arid-semiarid area: shift of dominant role from vegetation to soil moisture[J]. Forest ecology and management,2023:121323.
[10]	ZHONGKAI L, XIAOYAN L, SHA Z, et al. A comprehensive review on coupled processes and mechanisms of soil-vegetation-hydrology, and recent research advances[J]. Science China earth sciences, 2022, 65(11):2083-2114. doi: 10.1007/s11430-021-9990-5
[11]	CHEN Y, WEI T, REN K, et al. The coupling interaction of soil organic carbon stock and water storage after vegetation restoration on the Loess Plateau, China[J]. Journal of environmental management, 2022, 306:114481. doi: 10.1016/j.jenvman.2022.114481 URL
[12]	马媛, 张景波, 蔺方春, 等. 矿区排土场植物多样性及其与土壤理化指标的耦合关系[J]. 林草资源研究, 2024(2):51-58.
[13]	廖晗茹, INDREE T, 郭通, 等. 围封对蒙古荒漠草原和高山草原植物群落组成及稳定性的影响[J]. 北京大学学报:自然科学版, 2020, 56(3):471-478.
[14]	董君. 层次分析法权重计算方法分析及其应用研究[J]. 科技资讯, 2015, 13(29):218,220.
[15]	孙义, 秦彧, 魏天锋, 等. 草地植物物种多样性测度方法及发展趋势[J]. 应用生态学报, 2022, 33(3):655-663. doi: 10.13287/j.1001-9332.202203.010
[16]	冯艳玲, 饶晓娟, 袁静, 等. 石墨消解仪消解-容量法测定土壤有机质[J]. 现代农业科技, 2023(11):173-175.
[17]	苗杰, 李斐, 张加康, 等. 紫外分光光度法测定土壤硝态氮校正因数的优化[J]. 华北农学报, 2019, 34(S1):204-212. doi: 10.7668/hbnxb.20190355
[18]	邓聂, 向勇, 蒋建军, 等. 石墨电热板消解ICP-OES法测定土壤中全磷全钾[J]. 广州化工, 2025, 53(11):116-118,138.
[19]	牛茹, 李青丰, 樊如月. 3种草原植物群落土壤养分时空变化特征[J]. 草原与草业, 2022, 34(1):19-25.
[20]	刘耀彬, 李仁东, 宋学锋. 中国城市化与生态环境耦合度分析[J]. 自然资源学报, 2005(1):105-112.
[21]	乔标, 方创琳. 城市化与生态环境协调发展的动态耦合模型及其在干旱区的应用[J]. 生态学报, 2005(11):211-217.
[22]	王少剑, 方创琳, 王洋. 京津冀地区城市化与生态环境交互耦合关系定量测度[J]. 生态学报, 2015, 35(7):2244-2254.
[23]	徐明, 张健, 刘国彬, 等. 不同植被恢复模式沟谷地植被-土壤系统耦合关系评价[J]. 自然资源学报, 2016, 31(12):2137-2146. doi: 10.11849/zrzyxb.20150736
[24]	EL-KAMALI H H, HASSAN I H, EL-KHEIR M S M. Effect of soil physico-chemical properties and plant species on bacterial diversity in semi-arid parts in Central Sudan. Part III: AL-Gaeli Region, Khartoun North[J]. Open access library journal, 2017, 4(3):1-11.
[25]	ANISH S, DORCAS F, MIGUEL C, et al. Grazing systems to retain and redistribute soil phosphorus and to reduce phosphorus losses in runoff[J]. Soil systems, 2020, 4(4):66-66. doi: 10.3390/soilsystems4040066 URL
[26]	陈兴辉, 张圣微, 赵星宇, 等. 不同气候条件对内蒙古草原植被-土壤协调关系的影响[J]. 环境科学, 2025, 46(5):3033-3041.
[27]	OMBEGA J N, MUREITHI M S, KOECH K O, et al. Effect of rangeland rehabilitation on the herbaceous species composition and diversity in Suswa catchment, Narok County, Kenya[J]. Ecological processes, 2017, 6(1):41. doi: 10.1186/s13717-017-0109-1 URL
[28]	陈爱国, 王岩. 野生大豆资源保护及利用研究进展[J]. 农业开发与装备, 2020(12):58-59.
[29]	赵建业, 王旭影, 蒋福祯, 等. 高寒矿区排土场土壤重构及植被恢复关键技术[J]. 能源与环保, 2025, 47(11):1-7.
[30]	ГОНТАРЕНКОС М, СЛАШУ К О. Method of propagation, stimulation of rhizomes growth in vitro culture and adaptation in the open ground for the genus Miscanthus representatives[J]. Plant varieties studying and protection, 2017, 13(3):230-238. doi: 10.21498/2518-1017.13.3.2017.110703 URL
[31]	BARILLOT R, DE SWAEF T, COMBES D, et al. Leaf elongation response to blue light is mediated by stomatal-induced variations in transpiration in Festuca arundinacea[J]. Journal of experimental botany, 2021, 72(7):2642-2656. doi: 10.1093/jxb/eraa585 URL
[32]	谭岷山, 李欣娟, 杨靖文. 祁连山区废弃矿山生态修复效果研究——以山丹县曹家口金矿为例[J]. 甘肃农业大学学报, 2022, 57(4):171-176,183.
[33]	范祎玮, 信秀丽, 钟新月, 等. 玉米豆科覆盖作物间作对潮土酶活性和真菌群落特征的影响[J]. 土壤, 2021, 53(6):1236-1243.
[34]	李雪杰, 陈杰, 于红博, 等. 锡林郭勒草原不同植物群落特征与土壤养分特性研究[J]. 山东农业科学, 2024, 56(3):61-69.
[35]	何芸雨, 郭水良, 王喆. 植物功能性状权衡关系的研究进展[J]. 植物生态学报, 2019, 43(12):1021-1035. doi: 10.17521/cjpe.2019.0122
[36]	YIN R, LIU Q, TIAN S, et al. Nitrogen deposition stimulates decomposition via changes in the structure and function of litter food webs[J]. Soil biology and biochemistry, 2022, 166:108522. doi: 10.1016/j.soilbio.2021.108522 URL
[37]	包寒阳, 李杨, 邓先智, 等. 根系分泌物和凋落物对高寒沙化草地土壤微生物的影响[J]. 应用与环境生物学报, 2023, 29(3):546-553.

样地	主要物种及其重要值	样地号
隐子草群落	隐子草Cleistogenes chinensis (0.3102)、黑麦草Lolium perenne (0.1517)、冷蒿Artemisia frigida (0.1862)、草木樨Melilotus officinalis (0.1276)	1,16,22,23
莓叶委陵菜群落	莓叶委陵菜Potentilla fragarioides(0.4448)、穗花婆婆纳Pseudolysimachion spicatum (0.1795)、冷蒿Artemisia frigida (0.0746)、篷子菜Galium verum L.(0.1322)	2,4,11,12
苔草群落	苔草Carex tristachya Thunb (0.4381)、唐松草Thalictrum aquilegiifolium (0.1663)、麻花头Klasea centauroides (0.1532)、细叶白头翁Pulsatilla turczaninovii (0.1411)	7,8,9,14
羊草群落	羊草Leymus chinensis (0.4372)、柳穿鱼Linaria vulgaris subsp. (0.1218)、猪毛蒿Artemisia scoparia (0.1019)、麻花头Klasea centauroides (0.1057)	10,17,18,24
野豌豆群落	野豌豆Vicia sepium (0.3719)、苜蓿Medicago sativa L.(0.1497)、佛子茅Calamagrostis (0.1328)、马唐Digitaria sanguinalis (0.1678)	13,15,19,20
委陵菜群落	委陵菜Potentilla chinensis Ser (0.4401)、蒲公英Taraxacum (0.0919)、冷蒿Artemisia frigida (0.1339)、草地早熟禾Poa pratensis (0.2286)	3,5,6,21

样地	主要物种及其重要值	样地号
隐子草群落	隐子草Cleistogenes chinensis (0.3102)、黑麦草Lolium perenne (0.1517)、冷蒿Artemisia frigida (0.1862)、草木樨Melilotus officinalis (0.1276)	1,16,22,23
莓叶委陵菜群落	莓叶委陵菜Potentilla fragarioides(0.4448)、穗花婆婆纳Pseudolysimachion spicatum (0.1795)、冷蒿Artemisia frigida (0.0746)、篷子菜Galium verum L.(0.1322)	2,4,11,12
苔草群落	苔草Carex tristachya Thunb (0.4381)、唐松草Thalictrum aquilegiifolium (0.1663)、麻花头Klasea centauroides (0.1532)、细叶白头翁Pulsatilla turczaninovii (0.1411)	7,8,9,14
羊草群落	羊草Leymus chinensis (0.4372)、柳穿鱼Linaria vulgaris subsp. (0.1218)、猪毛蒿Artemisia scoparia (0.1019)、麻花头Klasea centauroides (0.1057)	10,17,18,24
野豌豆群落	野豌豆Vicia sepium (0.3719)、苜蓿Medicago sativa L.(0.1497)、佛子茅Calamagrostis (0.1328)、马唐Digitaria sanguinalis (0.1678)	13,15,19,20
委陵菜群落	委陵菜Potentilla chinensis Ser (0.4401)、蒲公英Taraxacum (0.0919)、冷蒿Artemisia frigida (0.1339)、草地早熟禾Poa pratensis (0.2286)	3,5,6,21

耦合协调度	耦合协调类型	耦合协调等级	P(x)/S(y)	耦合协调特征
0<D≤0.1	失调型	极度失调	P(x)/S(y)>1.2	土壤损益型
0.1<D≤0.2		严重失调	0.8≤P(x)/S(y)≤1.2	共损衰退型
0.2<D≤0.3		中度失调	P(x)/S(y)<0.8	植被损益型
0.3<D≤0.4		轻度失调
0.4<D≤0.5		濒临失调
0.5<D≤0.6	协调型	勉强协调	P(x)/S(y)>1.2	土壤滞后型
0.6<D≤0.7		初级协调	0.8≤P(x)/S(y)≤1.2	同步发展型
0.7<D≤0.8		中级协调	P(x)/S(y)<0.8	植被滞后型
0.8<D≤0.9		良好协调
0.9<D≤1		优质协调

耦合协调度	耦合协调类型	耦合协调等级	P(x)/S(y)	耦合协调特征
0<D≤0.1	失调型	极度失调	P(x)/S(y)>1.2	土壤损益型
0.1<D≤0.2		严重失调	0.8≤P(x)/S(y)≤1.2	共损衰退型
0.2<D≤0.3		中度失调	P(x)/S(y)<0.8	植被损益型
0.3<D≤0.4		轻度失调
0.4<D≤0.5		濒临失调
0.5<D≤0.6	协调型	勉强协调	P(x)/S(y)>1.2	土壤滞后型
0.6<D≤0.7		初级协调	0.8≤P(x)/S(y)≤1.2	同步发展型
0.7<D≤0.8		中级协调	P(x)/S(y)<0.8	植被滞后型
0.8<D≤0.9		良好协调
0.9<D≤1		优质协调

植物群落	总覆盖度 /%	地上生物量 /(g/m²)	平均高 /cm	Shannon-Wiener 多样性指数	Pielou 均匀度指数	Simpson 优势度指数	Margalef 丰富度指数
H	71.67±12.49b	204.42±85.85a	16.30±5.12c	1.68±0.35a	0.77±0.10ab	0.23±0.09ab	1.58±0.53b
I	72.08±7.22b	181±72.63b	15.38±4.47c	1.39±0.41b	0.71±0.17b	0.19±0.17bc	1.31±0.53c
J	59.58±17.11c	160±54.60c	17.58±2.82c	1.79±0.32a	0.79±0.11a	0.21±0.11b	1.77±0.57a
K	75.42±14.53b	191±50.37b	21.68±8.29b	1.42±0.62b	0.72±0.24b	0.27±0.24a	1.25±0.58cd
L	95.67±9.90a	236.5±78.96a	32.80±14.02a	1.65±0.26ab	0.81±0.08a	0.19±0.08bc	1.34±0.47c
M	64.17±23.24c	187.67±125.41bc	19.21±6.73b	1.44±0.36b	0.79±0.08a	0.21±0.08b	1.13±0.59d