Depth‐dependent responses of the soil bacterial community under vegetation restoration in soil erosion areas of southern China DOI
Xiaopeng Wang,

Man Zhou,

He Wang

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: 35(3), P. 1142 - 1154

Published: Jan. 1, 2024

Abstract Soil bacterial communities play a crucial role in the evaluation of soil ecosystem stability. Vegetation restoration is key determinant areas affected by erosion. However, it remains unclear how structure and diversity vary with depth. In this study, we collected samples from 0 to 10 cm, 20 30 40 cm depths vegetation sites located typical erosion China. We compared analyzed differences community characteristics among different depths, using untreated as controls. Compared areas, abundance bacteria 0–10 10–20 20–30 increased 1.63, 1.04, 1.29 times, respectively. Furthermore, enhanced at depths. organic carbon (OC) was main explanatory factor (53.50%, p = 0.000) for decrease Additionally, after dominant composition shifted Chloroflexi Actinobacteria Proteobacteria 30–40 The were primarily driven total nitrogen (TN) content, which explained up 34.5% variation. conclusion, subsequent management sites, increasing OC TN content can enhance diversity, improve composition, ultimately stability ecosystems.

Language: Английский

Revisiting Biophysical Impacts of Greening on Precipitation Over the Loess Plateau of China Using WRF With Water Vapor Tracers DOI Creative Commons
Yu Liu, Jun Ge, Weidong Guo

et al.

Geophysical Research Letters, Journal Year: 2023, Volume and Issue: 50(8)

Published: April 20, 2023

Abstract The Loess Plateau of China has witnessed a remarkable greening trend due to vegetation restoration in recent decades. However, the precipitation response remains unclear, and hydrological effect is controversial. Here, we revisited biophysical effects on over plateau during 2002–2015 using state‐of‐the‐art water vapor tracer embedded regional coupled model. We find that can promote growing season (0.45 mm·day −1 ), with 15% 85% increment resulting from increases local evapotranspiration inflow outside plateau, respectively. As consequence, enhanced compensate for terrestrial loss driven by increased evapotranspiration, leading slight increase yield. This study highlights dominant role nonlocal responses this region.

Language: Английский

Citations

32
Long-term straw and plastic film mulching have divergent effects on maize rhizosphere enzyme activity and bacterial community structure DOI
Yan Li, Xuechen Zhang, Na Yang

et al.

Agriculture Ecosystems & Environment, Journal Year: 2024, Volume and Issue: 364, P. 108894 - 108894

Published: Jan. 18, 2024

Language: Английский

Citations

14
Response of Vegetation Productivity to Greening and Drought in the Loess Plateau Based on VIs and SIF DOI Creative Commons

Xiao Hou,

Bo Zhang, Jie Chen

et al.

Forests, Journal Year: 2024, Volume and Issue: 15(2), P. 339 - 339

Published: Feb. 9, 2024

In the context of global warming, frequent occurrence drought has become one main reasons affecting loss gross primary productivity (GPP) terrestrial ecosystems. Under influence human activities, vegetation greening trend Loess Plateau increased significantly. Therefore, it is great significance to study response GPP in under trend. Here, we comprehensively assessed ability indices (VIs) and solar-induced chlorophyll fluorescence (SIF) capture changes at different seasonal scales during drought. Specifically, utilized three indices: normalized difference index (NDVI), near-infrared reflectance (NIRV), kernel NDVI (kNDVI), determined period 2001 based on standardized precipitation evapotranspiration (SPEI) soil moisture (SSMI). Moreover, anomalies VIs SIF relationship with were compared. The results showed that both able as well normal years. Overall, captured better due water heat stress compared VIs. Across time scales, strongest (meanR2 = 0.85), followed by NIRV 0.84), 0.76), kNDVI 0.74), suggesting more sensitive physiological vegetation. Notably, performed best sparse 0.85). drought, less productive land classes; superior use class increased. addition, correlated 0.50) than other anomalies. future, efforts integrate respective strengths SIF, NIRV, will improve our understanding changes.

Language: Английский

Citations

11
Conversion of SIC to SOC enhances soil carbon sequestration and soil structural stability in alpine ecosystems of the Qinghai-Tibet Plateau DOI
Panpan Ma, Yu Yang,

Shuzhen Nan

et al.

Soil Biology and Biochemistry, Journal Year: 2024, Volume and Issue: 195, P. 109452 - 109452

Published: May 2, 2024

Language: Английский

Citations

11
Depth‐dependent responses of the soil bacterial community under vegetation restoration in soil erosion areas of southern China DOI
Xiaopeng Wang,

Man Zhou,

He Wang

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: 35(3), P. 1142 - 1154

Published: Jan. 1, 2024

Abstract Soil bacterial communities play a crucial role in the evaluation of soil ecosystem stability. Vegetation restoration is key determinant areas affected by erosion. However, it remains unclear how structure and diversity vary with depth. In this study, we collected samples from 0 to 10 cm, 20 30 40 cm depths vegetation sites located typical erosion China. We compared analyzed differences community characteristics among different depths, using untreated as controls. Compared areas, abundance bacteria 0–10 10–20 20–30 increased 1.63, 1.04, 1.29 times, respectively. Furthermore, enhanced at depths. organic carbon (OC) was main explanatory factor (53.50%, p = 0.000) for decrease Additionally, after dominant composition shifted Chloroflexi Actinobacteria Proteobacteria 30–40 The were primarily driven total nitrogen (TN) content, which explained up 34.5% variation. conclusion, subsequent management sites, increasing OC TN content can enhance diversity, improve composition, ultimately stability ecosystems.

Language: Английский

Citations

9