Soil Organic Carbon Transformation and Related Properties in Urban Soil Under Impervious Surfaces

Wei, Zongqiang; Wu, Shishan; Zhou, Shenglü; Li, Jingtao; Zhao, Qian

doi:10.1016/s1002-0160(13)60080-6

Cited by 64 publications

(72 citation statements)

References 33 publications

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“…The SOC stocks to 20-cm depth of green space soils in Nanjing City were 45.2 Mg C ha -1 and, thus, higher than those of impervious-covered soils (23.5 Mg C ha -1 ; Wei et al, 2014). It was hypothesized that reduced C input (e.g., with plant litter, manure) and the removal of the original SOC-rich arable soil layer resulted in lower SOC stocks of impervious-covered soils (Wei et al, 2014).…”

Section: Canadamentioning

confidence: 86%

“…It was hypothesized that reduced C input (e.g., with plant litter, manure) and the removal of the original SOC-rich arable soil layer resulted in lower SOC stocks of impervious-covered soils (Wei et al, 2014).…”

Section: Canadamentioning

confidence: 99%

“…The knowledge about SOC transformation in impervious-covered urban soils is limited (Wei et al, 2014). However, some studies indicate that soil microbial activities under impervious surfaces are reduced (Piotrowska-Dlugosz and Charzyński 2014;Wei et al 2013).…”

Section: Soils Beneath Impervious Surfacesmentioning

confidence: 99%

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Managing soil carbon stocks to enhance the resilience of urban ecosystems

Lorenz

Lal

2015

Carbon Management

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Section: Canadamentioning

confidence: 86%

Section: Canadamentioning

confidence: 99%

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Managing soil carbon stocks to enhance the resilience of urban ecosystems

Lorenz

Lal

2015

Carbon Management

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“…, Wei et al. ), and (3) assume zero C under non‐building impervious (a common assumption for urban areas, and the most conservative possible bound). For P under non‐building impervious surfaces, we considered two alternatives: (1) assume equivalent soil P as in non‐impervious surfaces (consistent with Wei et al.…”

Section: Methodsmentioning

confidence: 99%

Current and historical land use influence soil‐based ecosystem services in an urban landscape

Ziter

Turner

2018

Ecological Applications

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Urban landscapes are increasingly recognized as providing important ecosystem services (ES) to their occupants. Yet, urban ES assessments often ignore the complex spatial heterogeneity and land-use history of cities. Soil-based services may be particularly susceptible to land-use legacy effects. We studied indicators of three soil-based ES, carbon storage, water quality regulation, and runoff regulation, in a historically agricultural urban landscape and asked (1) How do ES indicators vary with contemporary land cover and time since development? (2) Do ES indicators vary primarily among land-cover classes, within land-cover classes, or within sites? (3) What is the relative contribution of urban land-cover classes to potential citywide ES provision? We measured biophysical indicators (soil carbon [C], available phosphorus [P], and saturated hydraulic conductivity [K ]) in 100 sites across five land-cover classes, spanning an ~125-year gradient of time since development within each land-cover class. Potential for ES provision was substantial in urban green spaces, including developed land. Runoff regulation services (high K ) were highest in forests; water quality regulation (low P) was highest in open spaces and grasslands; and open spaces and developed land (e.g., residential yards) had the highest C storage. In developed land covers, both C and P increased with time since development, indicating effects of historical land-use on contemporary ES and trade-offs between two important ES. Among-site differences accounted for a high proportion of variance in soil properties in forests, grasslands, and open space, while residential areas had high within-site variability, underscoring the leverage city residents have to improve urban ES provision. Developed land covers contributed most ES supply at the citywide scale, even after accounting for potential impacts of impervious surfaces. Considering the full mosaic of urban green space and its history is needed to estimate the kinds and magnitude of ES provided in cities, and to augment regional ES assessments that often ignore or underestimate urban ES supply.

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“…The absorbance of the diluted samples was read on a split beam spectrophotometer at 565 nm. Water-soluble organic carbon (WSOC) and basal respiration were analyzed according to Wei et al (2014), with a minor modification. The soil sample (15 g of 2 mm sieved) was mixed with 30 mL of distilled water, shaken for 2 h at 25°C, and then centrifuged at 5000 rpm at 4°C for 15 min.…”

Section: Soil Property Determinationsmentioning

confidence: 99%