Moisture, Temperature, and Salinity of a Typical Desert Plant (Haloxylon ammodendron) in an Arid Oasis of Northwest China

Li, Zhao; Li, Wanjing; Yang, Guang; Yan, Ke; He, Xinlin; Li, Fadong; Gao, Yongli; Tian, Lirong

doi:10.3390/su13041908

Cited by 12 publications

(4 citation statements)

References 70 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, this interception mechanism served to mitigate wind-sand erosion while concurrently enriching the topsoil's fertility. It is worth noting that, in arid and semi-arid sandy regions, the soil parent material contributes only a negligible proportion of the diverse array of nutrients, with soil organic matter and total nitrogen constituting the principal constituents [52]. Instead, the metabolic processes responsible for nutrient accumulation are predominantly derived from particle deposition and the inherent vegetation dynamics [53].…”

Section: Effects Of Vegetation Reconstruction On Soil Physicochemical...mentioning

confidence: 99%

Soil Bacterial Community Structure and Physicochemical Influencing Factors of Artificial Haloxylon ammodendron Forest in the Sand Blocking and Fixing Belt of Minqin, China

Wang,

Ma,

et al. 2023

Forests

View full text Add to dashboard Cite

Microbial activity plays a crucial role in upholding the functional stability of vegetation–soil ecosystems. Nevertheless, there exists a paucity of studies concerning the impact of sand-fixing vegetation (Haloxylon ammodendron) on the structure and functional attributes of soil microbial communities. We employed Illumina high-throughput sequencing and PICRUSt2 functional prediction technology to investigate the characteristics of soil bacterial community structure, diversity, and metabolic functions in an artificial H. ammodendron forest, and RDA analysis and the Mantel test were used to reveal the main environmental factors affecting the structure and ecological functions of soil bacterial communities. The findings revealed a significant increase in the principal nutrient contents (organic matter, total nitrogen, total phosphorus) in the H. ammodendron forest soil compared to the mobile dune soil, while a reduction of 17.17% in the surface soil water content was observed. The H. ammodendron forest exhibited a significant enhancement in the diversity and richness index of soil bacteria. Specifically, Actinobacteria (24.94% ± 11.85%), Proteobacteria (29.99% ± 11.56%), and Chloroflexi (11.14% ± 4.55%) emerged as the dominant bacterial phyla, with Actinobacteria displaying significantly higher abundance compared to the mobile dune soil. PICRUSt2 analyses revealed that the predominant secondary metabolic functions of soil bacteria were carbohydrate metabolism, amino acid metabolism, and the metabolism of cofactors and vitamins. Additionally, the tertiary metabolic pathways exhibited greater activity in relation to enzyme function, nucleotide metabolism, energy metabolism, and antibiotics. The RDA results demonstrated that SOM, AK, and pH collectively accounted for 82.4% of the cumulative contribution, significantly influencing the bacterial community. Moreover, the Mantel test revealed that the metabolic function of soil bacteria primarily relied on five environmental factors, namely SOM, TN, AK, pH, and EC. This study significantly advances our understanding of the structural and functional changes in soil bacterial communities during the reclamation of sandy land through the establishment of artificial H. ammodendron forests.

show abstract

Section: Effects Of Vegetation Reconstruction On Soil Physicochemical...mentioning

confidence: 99%

Soil Bacterial Community Structure and Physicochemical Influencing Factors of Artificial Haloxylon ammodendron Forest in the Sand Blocking and Fixing Belt of Minqin, China

Wang,

Ma,

et al. 2023

Forests

View full text Add to dashboard Cite

show abstract

“…The “fat island” effect ( Ayarbe and Kieft, 2000 ), under the shrub of desert vegetation, is an important nutrient accumulation phenomenon observed under limited soil resources. It is the main survival mechanism of a shrub to promote nutrient utilization and adapt to the barren environment in desert areas ( Zhao L. et al, 2021 ). In this study, different intensities of gerbil disturbance increased the soil TOC, TN, TK, TP, and AN contents in the rhizosphere soil of H. ammodendron , especially the contents of TP and AN increased significantly ( Table 1 ).…”

Section: Discussionmentioning

confidence: 99%

Great gerbil burrowing-induced microbial diversity shapes the rhizosphere soil microenvironments of Haloxylon ammodendron in temperate deserts

et al. 2022

View full text Add to dashboard Cite

In the Gurbantunggut Desert of northwest China, the main habitat of Rhombomys opimus (great gerbil) is under the thickets of Haloxylon ammodendron, the main construction species. In the long-term coexistence, continuous gerbil activities (burrowing, defecating, and gnawing) limited the growth of H. ammodendron, affected the root microenvironment under the H. ammodendron forest, and weakened the desert ecosystem. However, there is a lack of general understanding about the response of desert soil microhabitats to such gerbil disturbance. Accordingly, this study examined the effects of different intensities of gerbil disturbance (none, mild, moderate, or severe disturbances) on soil nutrients content and used high-throughput sequencing to explore the change in diversity and structure of microbial communities (bacteria and fungi) in H. ammodendron rhizosphere at different soil depths (0–20, 20–40, and 40–60 cm). In the arid desert ecosystem, compared with the soil fungal community, the alpha diversity of the soil bacterial community was significantly affected by gerbil disturbance. Meanwhile, both soil depth and gerbil disturbance significantly impacted the beta diversity and relative abundance of soil bacterial and fungal communities. In addition, gerbil disturbance significantly altered the soil characteristics affecting the distribution and composition of soil microbial communities in H. ammodendron rhizosphere, especially the soil bacterial community. This survey provides evidence that remold impact of gerbil disturbance on soil microenvironment of H. ammodendron rhizosphere in desert ecosystems in northwest China, which helps to further understand the potential correlations with changes in the microbial community at a regional scale.

show abstract

“…Low nutrient content is a main feature of soil in desert areas. The “fertile island” effect, under the shrub of desert vegetation, is a crucial accumulation phenomenon observed under limited soil resources and the main mechanism in shrubs that facilitates their nutrient utilization and adaptation to barren environment in desert areas (Zhao et al, 2021; Tu et al, 2011; Yuefei et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Nutrient variation induced by rodent disturbance in Haloxylon ammodendron as a target transfer strategy

Zhao

Dang

Zhang

et al. 2021

Ecology and Evolution

View full text Add to dashboard Cite

show abstract

Moisture, Temperature, and Salinity of a Typical Desert Plant (Haloxylon ammodendron) in an Arid Oasis of Northwest China

Cited by 12 publications

References 70 publications

Soil Bacterial Community Structure and Physicochemical Influencing Factors of Artificial Haloxylon ammodendron Forest in the Sand Blocking and Fixing Belt of Minqin, China

Soil Bacterial Community Structure and Physicochemical Influencing Factors of Artificial Haloxylon ammodendron Forest in the Sand Blocking and Fixing Belt of Minqin, China

Great gerbil burrowing-induced microbial diversity shapes the rhizosphere soil microenvironments of Haloxylon ammodendron in temperate deserts

Nutrient variation induced by rodent disturbance in Haloxylon ammodendron as a target transfer strategy

Contact Info

Product

Resources

About