Soil organic carbon stock in different urban land uses: high stock evidence in urban parks

Canedoli, Claudia; Ferré, Chiara; Khair, Davide Abu El; Padoa‐Schioppa, Emilio; Comolli, Roberto

doi:10.1007/s11252-019-00901-6

Cited by 57 publications

(26 citation statements)

References 55 publications

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“…Jobbagy and Jackson (2000) found that different forest types significantly affected the vertical distribution of SOC [13]. There is generally high variability in urban SOC, and Canedoli et al (2019) showed that the SOC concentration (SOCC) of urban parks was higher than that of non-parks, defined as green squares, private gardens, tree lines, or street greens [14]. In an urban context, soils are not only under the disturbance of an artificial environment but are also affected by vegetation [15].…”

Section: Introductionmentioning

confidence: 99%

Effects of Urban Forest Types and Traits on Soil Organic Carbon Stock in Beijing

Sun

Hao

et al. 2021

Forests

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Forests can affect soil organic carbon (SOC) quality and distribution through forest types and traits. However, much less is known about the influence of urban forests on SOC, especially in the effects of different forest types, such as coniferous and broadleaved forests. Our objectives were to assess the effects of urban forest types on the variability of SOC content (SOC concentration (SOCC) and SOC density (SOCD)) and determine the key forest traits influencing SOC. Data from 168 urban forest plots of coniferous or broadleaved forests located in the Beijing urban area were used to predict the effects of forest types and traits on SOC in three different soil layers, 0–10 cm, 10–20 cm, and 20–30 cm. The analysis of variance and multiple comparisons were used to test the differences in SOC between forest types or layers. Partial least squares regression (PLSR) was used to explain the influence of forest traits on SOC and select the significant predictors. Our results showed that in urban forests, the SOCC and SOCD values of the coniferous forest group were both significantly higher than those of the broadleaved group. The SOCC of the surface soil was significantly higher than those of the following two deep layers. In PLSR models, 42.07% of the SOCC variance and 35.83% of the SOCD variance were explained by forest traits. Diameter at breast height was selected as the best predictor variable by comparing variable importance in projection (VIP) scores in the models. The results suggest that forest types and traits could be used as an optional approach to assess the organic carbon stock in urban forest soils. This study found substantial effects of urban forest types and traits on soil organic carbon sequestration, which provides important data support for urban forest planning and management.

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Section: Introductionmentioning

confidence: 99%

Effects of Urban Forest Types and Traits on Soil Organic Carbon Stock in Beijing

Sun

Hao

et al. 2021

Forests

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“…Previous studies on urban soil biophysical properties, and especially urban soil carbon, have shown that urbanization creates novel patterns in soil profiles ( Schifman et al 2018 , Trammell et al 2019 , Canedoli et al 2019 ). Based on previous work, there is a consistent literature indicating widespread urban ecological homogenization, where ecosystem-level properties (e.g.…”

Section: Introductionmentioning

confidence: 99%

Urbanization drives convergence in soil profile texture and carbon content

Herrmann

Schifman

Shuster

2020

Environ. Res. Lett.

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Urban development has driven extensive modification of the global landscape. This shift in land use and land cover alters ecological functioning, and thereby affects sustainable management agendas. Urbanization fundamentally reshapes the soils that underlay landscapes, and throughout the soil profile, extends impacts of urbanization far below the landscape surface. The impacts of urbanization on deeper soils that are beyond the reach of regular land management are largely unknown, and validation of general theories of convergent ecosystem properties are thwarted by a dearth of both level of measurement effort and the substantial heterogeneity in soils and urban landscapes. Here, we examined two soil properties with strong links to ecological functioning—carbon and mineral-fraction particle size—measured in urban soils, and compared them to their pre-urbanization conditions across a continental gradient encompassing global soil diversity. We hypothesized that urbanization drove convergence of soils properties from heterogeneous pre-urban conditions towards homogeneous urban conditions. Based on our observations, we confirm the hypothesis. Both soil carbon and particle size converged toward an intermediate value in the full data distribution, from pre-urban to urban conditions. These outcomes in urban soils were observed to uniformly be fine textured soils with overall lower carbon content. Although these properties are desirable for supporting urban infrastructure (e.g. buildings, pipes), they constrain the potential to render ecosystem services. Since soil profile texture and carbon content were convergent and observed across 11 cities, we suggest that these property profiles can be used as a universal urban soil profile to: 1) provide a clear prediction for how urbanization will shift soil properties from pre-urban conditions, 2) facilitate the adoption of commonly-accepted soil profiles for process models, and 3) offer a reference point to test against urban management strategies and how they impact soil resources.

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“…In the CBW, forested wetlands are particularly ingrained into the urban ecosystem and are used by planners, developers, and stormwater and wildlife managers to provide recreational space, encourage biodiversity, purify water, and/or control urban ooding (Ahn and Schmidt 2019;Duan et al 2020;Faller and McCleery 2017;Palta et al 2017;Pasterski et al 2020;Stefanakis 2019). Documented with non-wetland urban soils, wet forest and forested wetland soils in urban areas represent key opportunities to store large carbon pools, or carbon stocks, due to the slowed decomposition rates of organic matter that occur under saturated conditions (Canedoli et al 2020;Golubiewski 2006;Mitsch and Gosselink 2015;Pouyat et al 2006). Urban forested wetlands are thus unique opportunities to mitigate climate change through carbon storage within soil pro les.…”

Section: Introductionmentioning

confidence: 99%

“…Urban wetland carbon stocks are of particular importance with ongoing climate change and are the primary focus of many urban wetland studies (Gao et al 2011;Fennessy et al 2018;Hansen and Nestlerode 2014;Lal 2004;Maietta et al 2019;Trettin et al 2006). Urban wet forests and forested wetlands typically have high carbon stocks compared to other urban ecosystems, with estimates ranging from 5.5 to 10.2 kg•m − 2 for mixed urban forests and 5.5 to 14.0 kg•m − 2 for urban wetlands, with restored and reforested soils hosting less carbon than their natural counterparts (Bae and Ryu 2015;Nave et al 2019); however, land use disruptions common in urban development are known to impact soil carbon pools (Canedoli et al 2020;Fennessy et al 2018;Philips et al 2016;Pouyat et al 2006;Xiong et al 2014). Total carbon stocks, including both soil inorganic carbon and soil organic carbon in a wetland, can indicate how effective a site is at accumulating and storing carbon (Canedoli et al 2020;Lal 2004).…”

Section: Introductionmentioning

confidence: 99%

Assessment of carbon storage potential of forested wetland soils as affected by urbanization degree in two different physiographic provinces of Virginia, USA

Ledford

Schmidt

Ahn

2021

Preprint

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This study assessed carbon storage potential in terms of total carbon (TC) and total carbon stocks (TC stocks) in soils of four forested wetlands in Northern Virginia along with associated soil physicochemistry [e.g., soil pH, bulk density (Db), and gravimetric soil moisture (GSM)]. The study sites were selected across two vastly different degrees of urbanization (urban [U]; non-urban [N]) and the two main physiographic provinces of the region (Piedmont; Coastal Plain). Soils were sampled and analyzed at three depth intervals (0-10cm; 10-20cm; 20-30cm). No significant differences were found in TC (3.07 ± 0.31% [U]; 3.82 ± 0.40%; [N]) or TC stocks (2.81 ± 0.35 kg∙m− 2 [U]; 3.58 ± 0.28 kg∙m− 2 [N]) between urbanization degrees (p > 0.05). There was no significant difference in TC stocks by physiographic province (p > 0.05), however, Coastal Plain wetland soils had higher TC than the Piedmont wetlands (4.32 ± 0.41%; 2.57 ± 0.22%, p < 0.05). Db and GSM were significantly different along urbanization degree and physiography, and were highly correlated to TC, being able to estimate the total variability of TC to a significant degree (R2 = 0.39 and R2 = 0.47, all p < 0.05). The outcome shows that urban wetlands fairly mirror the carbon storage potential of non-urban wetlands and more likely so in the Coastal Plain than in the Piedmont, especially in their top 10 cm of soils. Further studies may be warranted across an urbanizing landscape to elucidate carbon storage potentials of urban wetlands that can combat urban carbon emissions.

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Soil organic carbon stock in different urban land uses: high stock evidence in urban parks

Cited by 57 publications

References 55 publications

Effects of Urban Forest Types and Traits on Soil Organic Carbon Stock in Beijing

Effects of Urban Forest Types and Traits on Soil Organic Carbon Stock in Beijing

Urbanization drives convergence in soil profile texture and carbon content

Assessment of carbon storage potential of forested wetland soils as affected by urbanization degree in two different physiographic provinces of Virginia, USA

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