Optimized allocation of forest restoration zones to minimize soil losses in watersheds

Domingues, Getúlio Fonseca; Marcatti, Gustavo Eduardo; Santos, Andre Gustavo dos; Lorenzon, Alexandre Simões; Telles, Lucas Arthur de Almeida; Castro, Nero Lemos Martins de; Barros, Kelly O.; Gonzáles, Duberlí Geomar Elera; Carvalho, José Romário de; Gandine, Simony Marques da Silva; Menezes, Sady Júnior Martins da Costa de; Santos, Alexandre Rosa dos; Ribeiro, Carlos Antônio Álvares Soares

doi:10.1016/j.jenvman.2020.110923

Cited by 9 publications

(4 citation statements)

References 60 publications

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“…These results highlighted the difference in soil erosion due to anthropogenic disturbance in mountainous catchments. Human expansion into mountainous regions is raising concerns among researchers and policymakers regarding erosion and sedimentation issues (Domingues et al, 2020; Li et al, 2021; Wang et al, 2020). The local government has integrated the restoration of areas affected by human activities into its agenda and stressed the importance of promptly evaluating and addressing water and soil erosion risks in the region.…”

Section: Discussionmentioning

confidence: 99%

“…These findings demonstrate the importance of implementing comprehensive measures, including restoring plantations combined with engineering measures such as interception and soil stabilization, as effective strategies for restoring damaged areas (Domingues et al, 2020;Huang et al, 2010). Therefore, it is increasingly important to strengthen timely and effective conservation efforts to prevent various soil erosion forms caused by plantation and construction activities (Dai et al, 2018;Jiang, 2016).…”

Section: Relative Contributions Of the Different Sediment Sourcesmentioning

confidence: 98%

“…These results highlighted the difference in soil erosion due to anthropogenic disturbance in mountainous catchments. Human expansion into mountainous regions is raising concerns among researchers and policymakers regarding erosion and sedimentation issues (Domingues et al, 2020;Li et al, 2021;Wang et al, 2020). The that most damaged areas had recovered well due to active revegetation (Figure 8d).…”

Section: Relative Contributions Of the Different Sediment Sourcesmentioning

confidence: 99%

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Fingerprinting sediment sources in mountainous catchments disturbed by plantation and construction activities in southern China

Shu,

Liu,

Zhang

et al. 2024

Land Degrad Dev

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The growing problems of soil erosion and sedimentation due to plantation and construction activities highlight the importance of reliable information on sediment sources with the objectives of designing and implementing targeted management practices. However, reliable information is unavailable for mountainous catchments in southern China. Accordingly, the fingerprinting approach was adopted to quantitatively identify sediment sources in a typical mountainous catchment disturbed by plantation and construction activities in the Dadingshan catchment, Guangdong Province, China. Sensitivity tests were conducted to evaluate the effect of correction factors on the modified model. The results indicated that geochemical elements could be applied for identifying sediment sources within the study catchment. However, the coarse sediment in the catchment posed challenges to the conservative behaviour of tracers. The findings suggested that the primary sediment source is exposed subsoil (51.5 ± 10.0%), followed by plantation topsoil (35.3 ± 16.2%) and wind farms (13.2 ± 10.2%). The mean goodness‐of‐fit value for all sediment samples was 87.1 ± 5.7%. The sediment contributions of various sources varied significantly due to differences in the extent and intensity of human intervention and the main erosion type of each source. Sensitivity analysis revealed that considering the assumption of source normality improved the source apportionment accuracy. However, particle size correction and tracer within‐source variability weighting in the modified mixing model resulted in unusual estimates of the source contributions. This contribution highlights the significance of considering uncertainties in key fingerprinting‐related aspects and emphasizes the need for implementing sediment control strategies in degraded forest environments.

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Section: Discussionmentioning

confidence: 99%

Section: Relative Contributions Of the Different Sediment Sourcesmentioning

confidence: 98%

“…These results highlighted the difference in soil erosion due to anthropogenic disturbance in mountainous catchments. Human expansion into mountainous regions is raising concerns among researchers and policymakers regarding erosion and sedimentation issues (Domingues et al, 2020;Li et al, 2021;Wang et al, 2020). The that most damaged areas had recovered well due to active revegetation (Figure 8d).…”

Section: Relative Contributions Of the Different Sediment Sourcesmentioning

confidence: 99%

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Fingerprinting sediment sources in mountainous catchments disturbed by plantation and construction activities in southern China

Shu,

Liu,

Zhang

et al. 2024

Land Degrad Dev

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“…More recently, Gioia et al [15] utilized USPED to forecast the location of linear erosion in a 7 km 2 watershed in southern Italy's Apennines and discovered that the USPED model predicted the location of linear erosion quite reliably. Similarly, Domingues et al [16] used USPED and genetic algorithm to optimize the placement and size of forest restoration zones. Also, USPED was used by Leh et al [17] to examine the effect of land use change on soil erosion risk, and by Liu et al [18] to model the effect of land cover change on carbon dynamics.…”

Section: Introductionmentioning

confidence: 99%

Soil Erosion and Deposition in a Taiwanese Watershed Using USPED

2022

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Soil erosion is a global problem that has been exacerbated in recent decades by global warming and the increased frequency of extreme weather events. It is also a global issue addressed by the United Nations’ Sustainable Development Goal #15 that seeks to recover degraded land and create a world free of land degradation by 2030. In this study, we used the Unit Stream Power-based Erosion Deposition (USPED) model to investigate the distribution of soil erosion and deposition in an important reservoir watershed in Taiwan, which is known to have a high risk of sediment hazard. We found the average soil erosion rate to be 136.4 Mg/ha/year using the model’s recommended m = 1.3 and n = 1.2 empirical coefficients for a combined occurrence of sheet and rill erosion. Additionally, we selected the Sule sub-watershed and the Kala area as examples to illustrate the pattern of soil erosion and deposition and their relationship to rivers, roadways, and anthropogenic activity, and 3D terrain was employed to further enhance visualization of the model output. It was estimated that 12.6% of eroded soil was deposited with a 200 m buffer of the rivers in the watershed and might be swept into the river system by the next typhoon, torrential rain, landslide, or earthquake. In comparison to previous USLE- and RUSLE-based soil erosion modeling in the same research area, our USPED modeling is unique in that it included the amount and distribution of soil deposition. This successful implementation of USPED in Taiwan establishes a new modeling alternative in addition to the widely used USLE and RUSLE models. The findings can be used to direct future erosion pin placement in the research area, allowing for improved monitoring of sediment movement and avoiding sediment hazards.

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How biochar, horizontal ridge, and grass affect runoff phosphorus fractions and possible tradeoffs under consecutive rainstorms in loessial sloping land?

Liu

2021

Agricultural Water Management

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Optimized allocation of forest restoration zones to minimize soil losses in watersheds

Cited by 9 publications

References 60 publications

Fingerprinting sediment sources in mountainous catchments disturbed by plantation and construction activities in southern China

Fingerprinting sediment sources in mountainous catchments disturbed by plantation and construction activities in southern China

Soil Erosion and Deposition in a Taiwanese Watershed Using USPED

How biochar, horizontal ridge, and grass affect runoff phosphorus fractions and possible tradeoffs under consecutive rainstorms in loessial sloping land?

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