the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Soil carbon fractions and enzyme activities under different vegetation types on the Loess Plateau of China
Abstract. Vegetation restoration was effective way of protecting soil erosion and water conservation on the Loess Plateau. Carbon fractions and enzyme activities were sensitive parameters for assessment of soil remediation through revegetation. Forest, forest steppe and grassland soils were collected at 0–5 cm and 5–20 cm soil layers in Yanhe watershed, Shaanxi Province. Urease, sucrase, alkaline phosphatase, soil organic carbon (SOC), microbial biomass carbon (MBC), easily oxidized organic carbon (EOC) and dissolved organic carbon (DOC) were measured. The results showed that carbon fraction contents and enzyme activities in the same soil layer followed the order that forest was higher than others. Carbon fraction contents and enzyme activities appeared that the 0–5 cm was higher than 5–20 cm soil layer. In addition, correlation analysis showed that urease activity was related to SOC, MBC, EOC and DOC at 0–5 cm layer; it was correlated with SOC, MBC and EOC at 5–20 cm layer. Sucrase activity had significant positive relationship with SOC, MBC and EOC. Alkaline phosphatase activity was related to EOC and DOC at 0–5 cm layer; it was correlated with MBC and EOC at 5–20 cm layer. The CCA reflected the relationship between sucrase activity and SOC. The contributions from the various forms of carbon fractions and enzyme activities as evaluated by the canonical coefficient of CV were on the order of SOC > DOC > MBC > EOC; sucrase > urease > alkaline phosphatase. Vegetation type was an important factor influencing the variation of soil enzyme activities and carbon fractions on the Loess Plateau.
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RC1: 'Comments on soil carbon fractions and enzyme activities under different vegetation types on the Loess Plateau of China', Anonymous Referee #1, 29 Nov 2016
- SC3: 'Revise Response', Haixin Zhang, 07 Jan 2017
- AC2: 'author comment', Shaoshan An, 13 Jan 2017
- SC1: 'Interactive Comments', Arup Ghosh, 30 Nov 2016
- SC2: 'revise response', Haixin Zhang, 07 Jan 2017
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RC2: 'Soil carbon fractions and enzyme a 1 ctivities under different vegetation types on the Loess Plateau of China', Anonymous Referee #2, 07 Jan 2017
- AC1: 'author comment', Shaoshan An, 13 Jan 2017
-
RC1: 'Comments on soil carbon fractions and enzyme activities under different vegetation types on the Loess Plateau of China', Anonymous Referee #1, 29 Nov 2016
- SC3: 'Revise Response', Haixin Zhang, 07 Jan 2017
- AC2: 'author comment', Shaoshan An, 13 Jan 2017
- SC1: 'Interactive Comments', Arup Ghosh, 30 Nov 2016
- SC2: 'revise response', Haixin Zhang, 07 Jan 2017
-
RC2: 'Soil carbon fractions and enzyme a 1 ctivities under different vegetation types on the Loess Plateau of China', Anonymous Referee #2, 07 Jan 2017
- AC1: 'author comment', Shaoshan An, 13 Jan 2017
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Cited
3 citations as recorded by crossref.
- Effects of the returning organic wastes on soil enzymes and microbial quantity in dryland farming L. Sun et al. 10.31545/intagr/142368
- Factors influencing soil enzyme activity in China’s forest ecosystems H. Zheng et al. 10.1007/s11258-017-0775-1
- Vegetation degradation impacts soil nutrients and enzyme activities in wet meadow on the Qinghai-Tibet Plateau J. Wu et al. 10.1038/s41598-020-78182-9