Carbono Retenido Por La Hojarasca Y Raíces en Diferentes Usos Del Suelo en La Región Del Chaco Semiárido

Flores, Fernando Miguel; Fernandez, J. A.; Giménez, Lucas Gabriel; Leonhardt, Edgardo Aldo Alberto; Bernardis, Aldo Ceferino

doi:10.4067/s0719-38902018005000405

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…Likewise, research carried out by Céspedes et al (2012) do not coincide with the present study since they found that in the yellow grass (Sorghastrum setosum Griseb) and the meadow (Cynodon nlemfluencis), quantities of carbon were found between 10.5tC ha -1 and 19.5tC ha -1 . This is possibly due to certain factors that influence the organic carbon content of the soil as stated by Ibrahim et al (2007), which are the history of land use, the biological and physical conditions of the soil, and the history of organic material input that help to determine the rates of change of carbon under the soil when vegetation and management practices have changed, such as deforestation, tillage and land use.…”

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confidence: 88%

Quantification of carbon capture in different soil uses

Solarte-Guerrero

Males

Ortiz

2020

rcia

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Carbon sequestration by soils in different production systems contributes greatly to the reduction of greenhouse gases. The objective of this study was to quantify the carbon stored in four land uses at different soil depths. To this end, a 22 factorial experiment in complete randomized block design (CRBD) was carried out. The factor A: land uses (natural pastures, shelterbelts, fodder banks, and potato crop) and the factor B: two soil depths (30 and 60cm), with three replications. . As a result, statistical differences were found among soil uses (p>0.0573) and between depths of 30 and 60cm (p<0.0061). However, no statistically significant differences were found in the interaction land-use and depth (P > 0.0659). The fodder bank presented a higher organic carbon content (139.85tC.ha-1) at 60cm depth and the potato monoculture (63.32tC.ha-1) at 30cm depth while, at both depths, natural pasture reported lower values (54.45 and 60.02tC.ha-1). Hence, the importance of productive systems to accumulate more carbon at greater depths of soil (60cm) compared to lower depths (30cm), which may be linked to agricultural opperations made on the soi surface, generating carbon leakage.

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confidence: 88%

Quantification of carbon capture in different soil uses

Solarte-Guerrero

Males

Ortiz

2020

rcia

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“…The implementation of direct sowing and the use of crops to maximize the amount of surface residues are frequent practices in order to increase the organic carbon content in the soil [22]. Céspedes et al [23], working in a drier area of the Chaco region, reported that the highest contributions of surface carbon wer by meadows, and by the forest in the first 15 cm of the soil. The rotation of crops allows to improve the soil carbon balance [24]; rotations that include pastures and service crops should be applied immediately in this situation of use.…”

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confidence: 99%

Application of Quality Indicators in the Evaluation of Subtropical Argiudolls and Hapludolls in Formosa (Argentina)

Baridón

Casas

2020

IJPSS

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The quality indicators are suitable tools to determine the state of the soil and the effects of different uses and management on it. The aim of the present work was to evaluate the quality of sub-tropical Argiudolls and Hapludolls subjected to different uses in Formosa, using a minimum set of indicators (MSI). Changes in soil use and the application of management techniques to maximize agricultural production are frequent in the world. In Formosa, Argentina, improvements in the productive infrastructure and low market value of the land, promote that these changes occur faster than the monitoring of the ones. The effects of 25 years of continuous agricultural use, extensive livestock in implanted pastures and fruit crops, in relation to the native forest were analyzed. The MSI consisted of five variables: total organic carbon, particulate organic carbon, total nitrogen, structural stability and bulk density. The baseline of the indicators was determined and threshold values were established. The standardized MSI was analyzed graphically. Particulate carbon and structural stability were the most sensitive indicators. Continuous agriculture degraded the edaphic system, resulting in lower values of indicators than the thresholds. It produced a decrease of 74% of the particulate organic carbon and 63% of structural stability, with possible impact on the resilience of the system. Fruit crops led to a decrease in soil quality causing particulate organic carbon and structural stability to approach values that compromise their natural recovery. The implanted pasture improved the quality of the soil with respect to the degraded native forest.

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Conservation of Soil Organic Carbon in the National Park Santuario de Fauna y Flora Iguaque, Boyacá-Colombia

Andrade

Segura

Canal-Daza

2022

Forests

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Protected areas are important zones for the conservation of strategic ecosystems that provide environmental services to human populations. The Santuario de Fauna y Flora Iguaque (SFFI) (Boyacá, Colombia) preserves an important area of páramos and andean high-land forests that offer water and other services. Soil organic carbon (SOC) was estimated at a depth of 0–30 cm in the four dominant land uses: (1) natural grasslands prevailingly without trees and shrubs (NSWT), (2) broad-leaved forests with continuous canopy, not on mire (BFCC), (3) open heathlands and moorlands (OMH), and (4) dense heathlands and moorlands (DMH). This classification is based on Corine Land Cover, adapted for Colombia. Land uses did not differ significantly (p > 0.05) in the SOC stock, with values of 139.0, 131.1; 101.1; and 83.0 Mg C/ha in OMH, BFCC, NSWT, and DMH, respectively. In total, SFFI retains 593 Gg C in that soil layer. Projections of effects caused by potential land use changes show that up to 461.0 Gg CO2 could be transferred to the atmosphere if this conservation area is not preserved. SFFI, due to its conservation strategies, allows storing significant amounts of atmospheric carbon and becomes an effective strategy of climate change mitigation.

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Carbono Retenido Por La Hojarasca Y Raíces en Diferentes Usos Del Suelo en La Región Del Chaco Semiárido

Cited by 3 publications

References 5 publications

Quantification of carbon capture in different soil uses

Quantification of carbon capture in different soil uses

Application of Quality Indicators in the Evaluation of Subtropical Argiudolls and Hapludolls in Formosa (Argentina)

Conservation of Soil Organic Carbon in the National Park Santuario de Fauna y Flora Iguaque, Boyacá-Colombia

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