Variations in the concentration, composition, and sources of WEOM in erosion and deposition landscapes over an erosion intensity gradient on the Loess Plateau of China

Yao, Yufei; Wei, Xiaorong; Kong, Weibo; Li, Ming; Wang, Zhe; Zhao, Zhongna; Shao, Mingan

doi:10.1016/j.catena.2022.106846

CATENA

2023

DOI: 10.1016/j.catena.2022.106846

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Variations in the concentration, composition, and sources of WEOM in erosion and deposition landscapes over an erosion intensity gradient on the Loess Plateau of China

Yufei Yao

Xiaorong Wei

Weibo Kong

et al.

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Cited by 5 publications

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“…In the case of dissolved organic carbon (DOC), its concentration is higher at the beginning of the runoff and later, if diluting occurs (Mchunu & Chaplot 2012). Water-extractable organic carbon (WEOC) is a part of DOC and it is the most active and mobile fraction of OC, which reacts very sensitively to water erosion, while more pronounced fluctuations in the WEOC contents are below 0.2 m (Yao et al 2023). Rizinjirabake et al (2019) did not observe more pronounced differences in the WEOC in the upper slopes, in concave and convex areas or places of topsoil accumulation conditioned by erosion.…”

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confidence: 99%

Soil organic carbon and its labile fractions in the conditions of water erosion on arable land of Chernozems area

Balontayová,

Petlušová,

Petluš

et al. 2024

Soil Water Res.

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Water erosion is associated with soil degradation, mainly with the removal of soil particles, their downstream transport as runoff, and, at the end, the accumulation of the carried material in new sites (Polykretis et al. 2023). Humic horizons are reduced and often already removed, and transported material, rich in an organic carbon (OC), covers an original topsoil in the concave sites, resulting in the change of landscape structure (Zádorová & Penížek 2018;Juřicová et al. 2022). Human activities, especially intensive agriculture in the case of Chernozems, rapidly accelerate soil erosion (Borrelli et al. 2017). The intensity of the soil particle transport is negatively correlated with the rate of infiltration, while this

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confidence: 99%

Soil organic carbon and its labile fractions in the conditions of water erosion on arable land of Chernozems area

Balontayová,

Petlušová,

Petluš

et al. 2024

Soil Water Res.

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Soil organic matter characteristics of four soil types under different conservation strategies across Hubei Province

Yang,

He,

Song

et al. 2024

Agricultural & Env Letters

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Soil organic matter (SOM) plays key roles in sloping land erosion control. This study explores SOM content across Hubei Province, China, focusing on four soil types under various conservation strategies. Field samples (n = 243) were collected under 27 monitoring sites employing diverse conservation strategies in runoff plots. Results indicated substantial variability in SOM content among soil types, with calcareous soils exhibiting the highest levels (12.63 g kg−1). Conversely, red soils displayed the lowest SOM content (6.32 g kg−1). However, short‐term conservation strategies and their interaction with soil type did not significantly influence SOM. The findings underscore the intricate relationship between soil types and SOM dynamics. This study contributes to the understanding of SOM dynamics in diverse landscapes, offering valuable guidance for policymakers and land managers to apply practices in mitigating erosion and enhancing soil health.

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Spatial variation in dissolved organic matter in a vegetation-restored ephemeral gully on the semi-arid region

Chen

Wang

et al. 2023

CATENA

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Variations in the concentration, composition, and sources of WEOM in erosion and deposition landscapes over an erosion intensity gradient on the Loess Plateau of China

Cited by 5 publications

References 53 publications

Soil organic carbon and its labile fractions in the conditions of water erosion on arable land of Chernozems area

Soil organic carbon and its labile fractions in the conditions of water erosion on arable land of Chernozems area

Soil organic matter characteristics of four soil types under different conservation strategies across Hubei Province

Spatial variation in dissolved organic matter in a vegetation-restored ephemeral gully on the semi-arid region

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