Vegetation communities and soil properties along the restoration process of the Jinqianghe mine site in the Qilian Mountains, China DOI Creative Commons
Xiaomei Yang, Qi Feng, Meng Zhu

et al.

Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15

Published: April 22, 2024

The study explores the impact of mine grassland restoration on plant communities and soil properties in alpine grasslands, a subject significant interest due to observed relationship between changes, communities, properties. While prior research has mainly focused consequences degradation diversity characteristics, specific effects varying degrees mining grasslands at regional scale remain poorly understood. To address this knowledge gap, we established 15 sampling plots (0.5m×0.5m) across five different within Qilian Mountains, China. Our objective was assess variations along these gradients. We conducted comprehensive analyses, encompassing [soil water content (SWC), available nitrogen (AN), total phosphorus (TP), nitrate (NO 3 -N), ammonium (NH 4 (TN), (AP), organic carbon (SOC), nitrogen, pH, electrical conductivity (EC)], characteristics (height, density, frequency, coverage, aboveground biomass), indices (Simpson, Shannon-Wiener, Margalef, Dominance, Evenness indexes). findings included identification collection 18 species from 11 families 16 genera degrees: Very Low Restoration Degree (VLRD), (LRD), Moderate (MRD), High (HRD), Natural Grassland (NGL). Notably, like Carex duriuscula , Cyperus rotundus Polygonum viviparum showed signs recovery. Principal component analysis Pearson correlation revealed that SWC, SOC, NO -N, AN were primary environmental factors influencing communities. Specifically, pH EC decreased as levels increased, while AN, TP, NH TN, AP, -N exhibited gradual increase with greater efforts. Furthermore, HRD community demonstrated similarities NGL, indicating most effective natural In conclusion, our provides valuable insights into responses diversity, factors. It also elucidates recovery gradients grasslands.

Language: Английский

Trade‐offs in rooting strategy dimensions along an edaphic gradient in a grassland ecosystem DOI Creative Commons
Yuguo Yang, Sabrina E. Russo

Functional Ecology, Journal Year: 2024, Volume and Issue: 38(4), P. 792 - 807

Published: Feb. 2, 2024

Abstract Roots are essential to the diversity and functioning of plant communities, but trade‐offs in rooting strategies still poorly understood. We evaluated existing frameworks strategy tested their underlying assumptions, guided by hypothesis that community‐level best described a combination variation organ‐level traits, plant‐level root:shoot allocation symbiosis‐level mycorrhizal dependency. this using data on community structure, above‐ below‐ground biomass, eight root traits including colonisation soil properties from an edaphic gradient driven elevation water availability sandhills prairie, Nebraska, USA. found multidimensional represented two‐way productivity‐durability trade‐off axis (captured length density dry matter content) three‐way resource acquisition between specific length, mass ratio dependence. Variation was similar extents interspecific differences intraspecific responses properties. Organ‐level alone were insufficient capture across gradient. Instead, trait encompassing organ, symbiosis levels revealed consideration whole‐plant phenotypic integration is defining shaping functional systems. Read free Plain Language Summary for article Journal blog.

Language: Английский

Citations

5
The Impact of Artificial Restoration of Alpine Grasslands in the Qilian Mountains on Vegetation, Soil Bacteria, and Soil Fungal Community Diversity DOI Creative Commons
Xiaomei Yang, Qi Feng, Meng Zhu

et al.

Microorganisms, Journal Year: 2024, Volume and Issue: 12(5), P. 854 - 854

Published: April 25, 2024

To understand how the soil microbial community structure responds to vegetation restoration in alpine mining areas, this study specifically examines grassland ecosystem Qianmalong area of Qilian Mountains after five years artificial restoration. High-throughput sequencing methods were employed analyze bacteria and fungi characteristics diverse communities. Combined with modifications diversity as well physicochemical properties, impact on microbiome was investigated. The findings indicated that dominant plants

Language: Английский

Citations

5
Appropriate nitrogen application under ridge-furrow plastic film mulching planting optimizes spring maize growth characteristics by improving soil quality in the Loess Plateau of China DOI Creative Commons

Fan Zhang,

Mengru Chen,

Yingying Xing

et al.

Agricultural Water Management, Journal Year: 2024, Volume and Issue: 307, P. 109259 - 109259

Published: Dec. 19, 2024

Language: Английский

Citations

5
Grazing and Mowing Affect the Carbon-to-Nitrogen Ratio of Plants by Changing the Soil Available Nitrogen Content and Soil Moisture on the Meadow Steppe, China DOI Creative Commons
Le Wang, Hengkang Xu, Hao Zhang

et al.

Plants, Journal Year: 2022, Volume and Issue: 11(3), P. 286 - 286

Published: Jan. 21, 2022

Common grassland management practices affect plant and soil element stoichiometry, but the primary environmental factors driving variation in C/N ratios for different species types of remain poorly understood. We examined three dominant stoichiometric responses plants to land uses (moderate grazing mowing) temperate meadow steppe northern China. Our results showed that ratio differed according practice. The relative abundance N tissues increased due NO3-, with a consequent decrease C: shoots Leymus chinensis, nitrogen concentration Bromus inermis Potentilla bifurca were relatively stable under short-term moderate management. Mowing reduced NH4+, thus reducing roots, resulting root bifurca. Structural equation model (SEM) was affected by both inorganic N, while shoot only N. findings provide mechanistic understanding use change. species-level stoichiometry human-managed grasslands deserve more attention.

Language: Английский

Citations

22
Plant community and soil available nutrients drive arbuscular mycorrhizal fungal community shifts during alpine meadow degradation DOI
Keyu Chen, Jing Zhang, Muhammad Atif Muneer

et al.

Fungal ecology, Journal Year: 2022, Volume and Issue: 62, P. 101211 - 101211

Published: Dec. 1, 2022

Language: Английский

Citations

22
Enhancing Maize Yield and Nutrient Utilization through Improved Soil Quality under Reduced Fertilizer Use: The Efficacy of Organic–Inorganic Compound Fertilizer DOI Creative Commons
Xiaoying Chen,

Zishuang Li,

Huanyu Zhao

et al.

Agriculture, Journal Year: 2024, Volume and Issue: 14(9), P. 1482 - 1482

Published: Sept. 1, 2024

Objectives: The substitution of chemical fertilizers with organic alternatives presents a viable strategy for enhancing soil quality and boosting agricultural productivity. However, the question remains whether organic–inorganic compound (COIFs) can sustain improved crop yields while reducing fertilizer use. underlying mechanisms COIF’s impact still warrant further exploration. Methods: In this study, long-term fertilization trial was conducted from 2020 to 2023 at two sites different textures types in Huang-Huai-Hai Plain, China. experiment involved three treatments, each replicated times: (1) LCF (conventional treatment); (2) COIF1 (COIF applied 90% recommended rate); (3) COIF2 80% rate). objective assess effects COIF on summer maize growth, grain yield, nutrient uptake utilization, quality. Results: Compared LCF, Yantai Dezhou increased biomass by 6.4% 8.1%, yield 5.9% 4.12%, PFP (N, P, K) 17.6% 15.7%, 563.6% 462.5%, respectively. No significant differences were observed between yet enhanced 19.7% 18.6%, 109.1% 175.0%, conclusion, matter (SOM), available nutrients, pH, other indices. It promoted utilization. practical effective measure reduce use, enhance field quality, ultimately increase

Language: Английский

Citations

4
Precipitation drives the floristic composition and diversity of temperate grasslands in China DOI Creative Commons
Xiaohang Bai, Wenwu Zhao, Jing Wang

et al.

Global Ecology and Conservation, Journal Year: 2021, Volume and Issue: 32, P. e01933 - e01933

Published: Nov. 19, 2021

Effects of environmental factors on plant diversity in temperate grasslands are interest since experiments have found is related to ecosystem function. Although previous studies focused the effects diversity, dominant driving differences among community types at regional scale remains unclear. We established 38 sampling sites (45 m × 45 m) main distribution areas analyze responses along different gradients and identifies floristic composition Inner Mongolia, China. In addition, variables (annual mean temperature, annual precipitation, altitude, disturbance intensity, soil pH, density, water content, organic carbon, total nitrogen, phosphorus, calcium carbonate), species indices (richness, heterogeneity, evenness), functional (abundance, evenness, divergence, dispersion) biomass were analyzed. A 179 vascular belonging 43 families 113 genera recorded classified into six ( Stipa grandis community, Leymus chinensis capillata Artemisia frigida Cleistogenes squarrosa halodendron community) based Ward's agglomerative hierarchical clustering. According canonical correspondence analysis Monte Carlo permutation test, precipitation was factor grasslands, promoting richness, divergence biomass. Soil content nitrogen played positive meanwhile, grazing intensity pH inhibited abundance, dispersion Furthermore, presence these communities dominated by indicate that grassland degradation imminent or has already begun. summary, our results provide evidence composition, traits demonstrate grasslands. • Annual carbon play a effect Species more affected than diversity. warn degradation.

Language: Английский

Citations

26
Soil community richness and composition jointly influence the multifunctionality of soil along the forest-steppe ecotone DOI Creative Commons

Xiaofang Du,

Han-Wen Liu,

Yingbin Li

et al.

Ecological Indicators, Journal Year: 2022, Volume and Issue: 139, P. 108900 - 108900

Published: May 18, 2022

Soils harbor an enormous organism which provide multiple ecosystem functions in the terrestrial ecosystem. However, potential effects of soil biodiversity on multifunctionality (multiple simultaneously provided by soil) have not been investigated thoroughly ecosystems. Along forest-steppe ecotone, we evaluated generic richness and composition bacteria, fungi nematode communities meadow steppe, transition zone birch forest assessed their relative contributions to at both regional local scales. Our results showed that community organisms played important roles maintaining (multidimensional measure approach). The was more scale (the whole transect) than (within individual ecosystem), could contribute indirectly changing composition. bacterivores fungivores (microbivores) intermediate trophic level had strongest influence suggesting position also determining multifunctionality. findings emphasize importance assessing relations from multitrophic levels, implications for conservation management ecotone.

Language: Английский

Citations

17
Soil addition improves multifunctionality of degraded grasslands through increasing fungal richness and network complexity DOI Creative Commons
Yuhui Li, Xu Han, Bing Li

et al.

Geoderma, Journal Year: 2023, Volume and Issue: 437, P. 116607 - 116607

Published: July 10, 2023

Soil addition is now widely used in the restoration of degraded ecosystems, but how soil influences multiple ecological functions grasslands, and whether these effects depend on amount type inoculum, are still not clear. We performed two parallel experiments to examine different donor types amounts affect grassland. In a field experiment at grassland site where top layer was removed (5 cm), we assessed effect collected from ecosystems (upland meadow steppe) (0 cm, 1 cm 3 cm) ecosystem multifunctionality. microcosm experiment, examined biotic abiotic factors by inoculating sterilized non-sterilized soil. promoted grassland, particularly when higher were added. Both increased Biotic factors, especially fungal richness network complexity, had strongest positive Our study reveals importance communities for improving multifunctionality Future studies should explore joint arbuscular mycorrhizal fungi saprophytic grasslands.

Language: Английский

Citations

11
Enhancements of soil priming effect and carbon sequestration in degraded alpine meadows via supplementation: a comparative study of Tibetan sheep (Ovis aries) and plateau pika (Ochotona curzoniae) excrements DOI Creative Commons
Qinyao Li,

Wenquan Yang,

Yanru Wu

et al.

Ecological Processes, Journal Year: 2025, Volume and Issue: 14(1)

Published: Jan. 2, 2025

Abstract Background Grassland degradation decreases the capacity of soil carbon sequestration, while supplementation exogenous organic matter enhances priming effect (PE) and affects cycle in soil. The excrements Tibetan sheep ( Ovis aries ) plateau pika Ochotona curzoniae play an important role cycling. Therefore, they were used to enrich alpine meadow soils degraded different levels after incubation at 20 °C for up 45 days. PE was analyzed using natural 13 C isotope tracer method relation properties. Results two kinds excrement significantly increased accumulation sequestration. Of two, achieved a better effect. Compared with non-degraded soil, severely had PE, but lightly moderately not from each other. Structural equation modelling shows that total nitrogen (TN), (SOC), β-1,4-N-acetylaminoglucosidase (NAG), β-1,4-glucosidase (βG), pH, microbial biomass (MBC) are main factors affecting PE. In particular, TN directly negatively affected SOC NO 3 − -N:NH 4 + -N ratio indirectly by enzyme activity MBC. Conclusions This study demonstrates supplement animal can improve extracellular content soils, which is conducive net balance. Supplementation both effectively enhance further increase activity, fertility sequestration ability seriously higher than those excrement, promote meadows. findings this provide theoretical evidence rational utilization degradation.

Language: Английский

Citations

0