Evaluation of organic carbon stocks in mineral and organic soils in Lithuania

Armolaitis, Kęstutis; Varnagirytė–Kabašinskiene, Iveta; Žemaitis, Povilas; Stakėnas, Vidas; Beniušis, Ričardas; Kulbokas, Gintaras; Urbaitis, Gintautas

doi:10.1111/sum.12734

Cited by 11 publications

(19 citation statements)

References 66 publications

(46 reference statements)

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“…In afforested Luvisols, the SOC stock was 10% higher than in croplands but remained 17% lower than in grasslands. We compared the obtained SOC stocks of afforested land with the national SOC values of similar soil groups [48] and found similar SOC values for forest Arenosols but lower for Luvisols (see Table 5). The previous study by Ref.…”

Section: Soc Stocks In Mineral Topsoil After Afforestationmentioning

confidence: 94%

“…In Lithuania, the Luvisols, among all other major soil groups, represent 29% of forest land, 53% of grassland and 51% of cropland, and the Arenosols represent 32%, 25% and 10%, respectively [48]. The distribution of the selected study sites reflected the cover of Luvisols and Arenosols within the country.…”

Section: Study Sitesmentioning

confidence: 99%

“…a Afforested land-the values are given as the means of coniferous and deciduous sites; b National Lithuanian values of soil organic carbon (SOC) stocks in 0-30 cm topsoil of major soil groups [WRB 2014[WRB (2015] in forests, grassland and cropland (Table 5 of Ref. [48]); c The SOC values were given for Luvisols together with Retisols [48]; d The SOC values were given for forest land [48].…”

Section: Soil Organic Carbon Stocks In Mineral Topsoilmentioning

confidence: 99%

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Soil Organic Carbon Stocks in Afforested Agricultural Land in Lithuanian Hemiboreal Forest Zone

Varnagirytė–Kabašinskiene

Žemaitis

Armolaitis

et al. 2021

Forests

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In the context of the specificity of soil organic carbon (SOC) storage in afforested land, nutrient-poor Arenosols and nutrient-rich Luvisols after afforestation with coniferous and deciduous tree species were studied in comparison to the same soils of croplands and grasslands. This study analysed the changes in SOC stock up to 30 years after afforestation of agricultural land in Lithuania, representing the cool temperate moist climate region of Europe. The SOC stocks were evaluated by applying the paired-site design. The mean mass and SOC stocks of the forest floor in afforested Arenosols increased more than in Luvisols. Almost twice as much forest floor mass was observed in coniferous than in deciduous stands 2–3 decades after afforestation. The mean bulk density of fine (<2 mm) soil in the 0–30 cm mineral topsoil layer of croplands was higher than in afforested sites and grasslands. The clear decreasing trend in mean bulk density due to forest stand age with the lowest values in the 21–30-year-old stands was found in afforested Luvisols. In contrast, the SOC concentrations in the 0–30 cm mineral topsoil layer, especially in Luvisols afforested with coniferous species, showed an increasing trend due to the influence of stand age. The mean SOC values in the 0–30 cm mineral topsoil layer of Arenosols and Luvisols during the 30 years after afforestation did not significantly differ from the adjacent croplands or grasslands. The mean SOC stock slightly increased with the forest stand age in Luvisols; however, the highest mean SOC stock was detected in the grasslands. In the Arenosols, there was higher SOC accumulation in the forest floor with increasing stand age than in the Luvisols, while the proportion of SOC stocks in mineral topsoil layers was similar and more comparable to grasslands. These findings suggest encouragement of afforestation of former agricultural land under the current climate and soil characteristics in the region, but the conversion of perennial grasslands to forest land should be done with caution.

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Section: Soc Stocks In Mineral Topsoil After Afforestationmentioning

confidence: 94%

Section: Study Sitesmentioning

confidence: 99%

Section: Soil Organic Carbon Stocks In Mineral Topsoilmentioning

confidence: 99%

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Soil Organic Carbon Stocks in Afforested Agricultural Land in Lithuanian Hemiboreal Forest Zone

Varnagirytė–Kabašinskiene

Žemaitis

Armolaitis

et al. 2021

Forests

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“…Application of organic amendments serves as a promising strategy for risk mitigation of NPs with multiple processes and mechanisms. First of all, organic amendments (e.g., compost, manure and biochar) applied to the soil increase the SOM pool (Abagandura et al, 2022 ; Armolaitis et al, 2022 ; de Figueiredo et al, 2021 ; Dong et al, 2022 ), which may reduce NP mobility via enhanced eco‐corona formation (Figure 6 ). Secondly, these amendments directly immobilize NP via heteroaggregation or adsorption (Abdoul Magid et al, 2021 ; Ayaz et al, 2022 ; Tong et al, 2020 ; L. Wang et al, 2022 ).…”

Section: Implications For Risk Mitigationmentioning

confidence: 99%

Aging of colloidal contaminants and pathogens in the soil environment: Implications for nanoplastic and COVID‐19 risk mitigation

Wang

Yin

et al. 2022

Soil Use and Management

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Colloidal contaminants and pathogens are widely distributed in soil, whose tiny sizes and distinct surface properties render unique environmental behaviours.Because of aging, colloids can undergo dramatic changes in their physicochemical properties once in the soil environment, thus leading to diverse or even unpredictable environmental behaviour and fate. Herein, we provide a state-of-art review of colloid aging mechanisms and characteristics and implications for risk mitigation. First, we review aging-induced formation of colloidal contaminants and aging-associated changes. We place a special focus on emerging nanoplastic (NP) contaminants and associated physical, chemical, and biological aging processes in soil environments. Second, we assess aging and survival features of colloidal pathogens, especially viruses. Viruses in soils may survive from several days to months, or even several years in groundwater, depending on their rates of inactivation and the reversibility of attachment. Furthermore, we identify implications for risk mitigation based on aging mechanisms. Hotspots of (photo)chemical aging of NPs, including plastic gauzes at construction sites and randomly discarded plastic waste in rural areas, are identified as area requiring greater research attention. For COVID-19, we suggest taking greater care in regions where viruses are persist for long periods, such as cold climate regions. Soil amendment with quicklime (CaO) may act as an effective means for pathogen disinfection.Future risk mitigation of colloidal contaminants and pathogens relies on a better understanding of aging mechanisms and more sophisticated models accurately depicting processes in real soil environments.

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“…Climate change is considered to be the greatest global threat to sustainable development (Ji et al, 2014). Soil and soil science can play an important role in mitigating climate change by enhancing carbon sequestration in soil (Armolaitis et al, 2022;Hou, 2021;IPCC, 2013aIPCC, , 2013b.…”

Section: Introductionmentioning

confidence: 99%

Crop yield and carbon sink potential with precipitation in maize and potato cropland ecosystems over the summertime monsoon transition zone of China

Yanbin

Qiang

et al. 2023

Soil Use and Management

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China has significantly enhanced vegetation coverage and terrestrial carbon sink functions through ecological restoration. However, cropland ecosystems are sensitive to a changing climate over the summertime monsoon transition zone of China (SMTZC), which has implications for carbon cycling. For example, it is unclear how changes in precipitation will affect the cropland ecosystem carbon sinks (CSe) and carbon sink potential (CSp), and the mechanisms of tradeoffs that develop between plant and soil organic carbon (SOC) are unclear. Here, we integrated crop yield, total biomass (TB) and water coefficient in a combined field and modelling experimental. We explored the mechanisms of ecosystem carbon cycling and CSp in the SMTZC under different precipitation scenarios. We found that soil organic carbon sink (SOCs) was strongly correlated with the plant organic carbon sink (POCs) and discovered. Significant differences in CSp between ecosystems resulting from interannual precipitation. The C4 (maize, Zea mays) and C3 (potato, Solanum tuberosum L) carbon sinks (CSs) were 68.59, 190.73, 160.37 Mt and 10.21, 30.97, 14.59 Mt for the 3 years, respectively. Precipitation effectively increased TB and yield, but excessive precipitation in them, which was most obvious in C3 ecosystem (R2 > 0.60) and reduced POCs, evident in C4 ecosystem (R2 > 0.16). This study provides data and a scientific basis for increasing CS and achieving carbon neutrality in cropland.

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Evaluation of organic carbon stocks in mineral and organic soils in Lithuania

Cited by 11 publications

References 66 publications

Soil Organic Carbon Stocks in Afforested Agricultural Land in Lithuanian Hemiboreal Forest Zone

Soil Organic Carbon Stocks in Afforested Agricultural Land in Lithuanian Hemiboreal Forest Zone

Aging of colloidal contaminants and pathogens in the soil environment: Implications for nanoplastic and COVID‐19 risk mitigation

Crop yield and carbon sink potential with precipitation in maize and potato cropland ecosystems over the summertime monsoon transition zone of China

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