scholarly journals Seed population dynamics on abandoned slopes in the hill and gully Loess Plateau region of China

2016 ◽  
Vol 94 ◽  
pp. 427-436 ◽  
Author(s):  
Wei-Jie Yu ◽  
Ju-Ying Jiao ◽  
Dong-Li Wang ◽  
Ning Wang ◽  
Zhi-Jie Wang ◽  
...  
Keyword(s):  
Population Dynamics ◽  
Loess Plateau ◽  
Plateau Region ◽  
Seed Population ◽  
The Hill

scholarly journals Erratum: Yu, W.; Jiao, J. Sustainability of Abandoned Slopes in the Hill and Gully Loess Plateau Region Considering Deep Soil Water. Sustainability 2018, 10, 2287

2019 ◽  
Vol 11 (8) ◽  
pp. 2345
Author(s):  
Weijie Yu ◽  
Juying Jiao
Keyword(s):  
Soil Water ◽  
Loess Plateau ◽  
Water Sustainability ◽  
Deep Soil ◽  
Plateau Region ◽  
The Hill

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scholarly journals Sustainability of Abandoned Slopes in the Hill and Gully Loess Plateau Region Considering Deep Soil Water

2018 ◽  
Vol 10 (7) ◽  
pp. 2287 ◽  
Author(s):  
Weijie Yu ◽  
Juying Jiao
Keyword(s):  
Water Content ◽  
Soil Water ◽  
Soil Water Content ◽  
Loess Plateau ◽  
Soil Layer ◽  
Deep Soil ◽  
Plateau Region ◽  
Soil Desiccation ◽  
Deep Soil Layer ◽  
The Hill

Soil desiccation of the deep soil layer is considered one of the main limiting factors to achieving sustainable development of ecosystems in the hill and gully Loess Plateau region. In this study, slope croplands were selected as the control, and deep soil water was studied on abandoned slopes, including natural abandoned slopes, Robinia pseudoacacia plantations, and Caragana korshinskii plantations. Then, we explored deep soil water characteristics of different vegetation types and slope aspects and the variation tendencies of deep soil water at different recovery stages. The results showed that there were no significant differences in deep soil water content between sunny and shady slopes, and thus, slope aspect was not the key impact factor affecting deep soil water. Deep soil water content on R. pseudoacacia plantations and C. korshinskii plantations was lower than that on natural abandoned slopes; there were no significant differences in soil water content between the natural abandoned slopes and slope croplands. Soil desiccation did not exist on natural abandoned slopes; thus, natural vegetation restoration is an appropriate way to achieve a sustainable ecosystem with respect to deep soil water. In contrast, soil desiccation intensified until it was difficult for vegetation to obtain available water in the deep soil layer on the plantations; soil desiccation began to appear at the 11–20-year stage, and it became increasingly severe until the deep soil water was close to the wilting coefficient at the ≥30-year stage on R. pseudoacacia plantations. Deep soil water was rapidly consumed, and soil desiccation began to appear at the 1–10-year stage and then was close to the wilting coefficient in the later stages on C. korshinskii plantations. According to the results, the plantations needed to be managed in a timely manner to prevent or reduce soil desiccation.

scholarly journals Research and Application of harvested rainwater in the villages and towns of China Loess Plateau region

2011 ◽  
Vol 5 ◽  
pp. 307-313 ◽  
Author(s):  
ZHANG Guozhen ◽  
YANG Yuanchao ◽  
LIU Xiaodong ◽  
ZHAO Weina
Keyword(s):  
Loess Plateau ◽  
Plateau Region

Soil fertility increases rapidly during the 6–10 yr following conversion of cropland to grassland in China’s Loess Plateau region

2018 ◽  
Vol 98 (3) ◽  
pp. 531-541
Author(s):  
Qingyin Zhang ◽  
Ming’an Shao
Keyword(s):  
Soil Fertility ◽  
Loess Plateau ◽  
Soil Layer ◽  
Crop Productivity ◽  
Semiarid Region ◽  
Available Phosphorus ◽  
Land Conversion ◽  
Long Term Effects ◽  
Plateau Region ◽  
P Content

Change in land use causes changes in soil properties and soil fertility, with long-term effects on ecosystem and crop productivity. This study determined soil fertility along sequential conversion of cropland to grassland in China’s Loess Plateau. Soil samples were collected in 2015 at two sites in the semiarid region, following the conversion of cropland to grassland. Soil particle-size distribution, bulk density, pH, organic carbon (OC), total nitrogen (TN), total phosphorus (TP), available potassium, and available phosphorus were measured in this study. In addition, we analysed the changes of soil OC, TN, and TP, and evaluated soil fertility after the conversion from cropland to grassland. The establishment of grassland significantly increased soil OC, N, and P content, especially in the 0–10 cm soil layer. The highest change in soil OC, N, and P content occurred 6–10 yr after land conversion. The measured soil variables did not change significantly after 10 yr of land conversion. The overall increase in soil fertility after the land conversion was 13% at one site and 26% at the other site. The results suggested that establishing grassland could enhance soil fertility in the semiarid Loess Plateau region of China, and this enhancement is optimal 6–10 yr after the establishment of grassland.

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