Soil Characteristics and Carbon Sequestration Potentials of Vegetation in Degraded Hills of Chittagong, Bangladesh

Barua, Sepul K.; Haque, Shamima

doi:10.1002/ldr.1107

Cited by 61 publications

(54 citation statements)

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“…Soils are an important carbon reservoir (Barua and Haque, 2013;Yan-Gui et al, 2013). In fact, the primary terrestrial pool of organic carbon (OC) is soil, which accounts for more than 71 % of the Earth's terrestrial OC pool (Lal, 2010).…”

Section: Introductionmentioning

confidence: 99%

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

2015

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Abstract. Soil organic carbon (SOC) is extremely important in the global carbon (C) cycle as C sequestration in non-disturbed soil ecosystems can be a C sink and mitigate greenhouse-gas-driven climate change. Soil organic carbon changes in space and time are relevant to understand the soil system and its role in the C cycle. This is why the influence of topographic position on SOC should be studied. Seven topographic positions from a toposequence between 607 and 1168 m were analyzed in the Despeñaperros Natural Park (Jaén, SW Spain). Depending on soil depth, one to three control sections (0-25, 25-50 and 75 cm) were sampled at each site. The SOC content in studied soils was below 30 g kg −1 and strongly decreases with depth. These results were related to the gravel content and to the bulk density. The SOC content from the topsoil (0-25 cm) varied largely through the altitudinal gradient ranging between 27.3 and 39.9 g kg −1 . The SOC stock (SOCS) varied between 53.8 and 158.0 Mg ha −1 in the studied area, which had been clearly conditioned by the topographic position. Therefore, results suggest that elevation should be included in SOCS models and estimations at local and regional scales.

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Section: Introductionmentioning

confidence: 99%

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

2015

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“…Studies on the impact of reforestation on SOC dynamics are particularly interesting as reforestation affects large areas of grassland in mountain areas all over the world (Didier,1104 K. Wasak and M. Drewnik: Land use effects on soil organic carbon sequestration ber, 2005; Barua and Haque, 2013). On the other hand, research on SOC storage in mountain regions is rare (Prichard et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Land use effects on soil organic carbon sequestration in calcareous Leptosols in former pastureland – a case study from the Tatra Mountains (Poland)

Wasak

Drewnik

2015

Solid Earth

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Abstract. The purpose of the paper is to describe soil organic carbon (SOC) sequestration rates in calcareous shallow soils in reforested areas in the Tatra Mountains with a particular focus on different forms of organic matter (OM) storage. Three plant communities creating a mosaic on the slopes of the studied valley were taken into account.Fifty years since the conversion of pastureland to unused grassland, dwarf pine shrub and larch forest have emerged in the study area, along with the development of genetic soil horizons as well as SOC sequestration in the soil despite the steepness of slopes. SOC stock was measured to be the highest in soils under larch forest (63.5 Mg ha −1 ), while in soil under grassland and under dwarf pine shrub, this value was found to be smaller (47.5 and 42.9 Mg ha −1 , respectively).The highest amount of mineral-associated OM inside stable microaggregates (MOM FF3) was found in grassland soil (21.9-27.1 % of SOC) and less under dwarf pine shrub (16.3-19.3 % of SOC) and larch forest (15.3-17.7 % of SOC). A pool of mineral-associated OM inside transitional macroaggregates (MOM FF2) was found in soil under dwarf pine shrub (39.2-59.2 % of SOC), with less under larch forest (43.8-44.7 % of SOC) and the least in grassland soil (37.9-41.6 % of SOC). The highest amount of the free light particulate fraction (POM LF1) was found in soil under dwarf pine shrub (6.6-10.3 % of SOC), with less under larch forest (2.6-6.2 % of SOC) and the least in grassland soil (1.7-4.8 % of SOC).

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“…Revegetation of degraded land is a major global issue, which has been shown to improve and restore some of the ecosystem services both of the physical and biological processes. It has been widely recognized that revegetation is an effective measure for soil and water conservation, increasing C and N storages and improving land productivity (Grünzweig et al, 2003;Cao et al, 2008Cao et al, , 2011Hu et al, 2008;Lal, 2009;Barua and Haque, 2013;Su et al, 2013;Jaiarree et al, 2014;Guzman et al, 2014;Srinivasarao et al, 2014). In desertified areas of northwest China, establishing artificial vegetation and bans on grazing are commonly adopted measures for combating desertification and restoring vegetation.…”

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Changes in soil organic carbon and nitrogen capacities of <i>Salix cheilophila</i> Schneid along a revegetation chronosequence in semi-arid degraded sandy land of the Gonghe Basin, Tibet Plateau

Jia

2014

Solid Earth

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Abstract. The Gonghe Basin is a sandified and desertified region of China, but the distribution of soil organic carbon (SOC) and total nitrogen (TN) along the cultivation chronosequence across this ecologically fragile region is not well understood. This study was carried out to understand the effects of restoration with Salix cheilophila for different periods of time (6, 11, 16, 21 years) to test whether it enhanced C and N storage. Soil samples, in four replications from seven depth increments (0-10, 10-20, 20-30, 30-50, 50-100, 100-150 and 150-200 cm), were collected in each stand. Soil bulk density, SOC, TN, aboveground biomass and root biomass were measured. Results indicated that changes occurred in both the upper and deeper soil layers with an increase in revegetation time. The 0-200 cm soil showed that the 6-year stand gained 3.89 Mg C ha −1 and 1.00 Mg N ha −1 , which accounted for 40.82 % of the original SOC and 11.06 % of the TN of the 0-year stand. The 11-year stand gained 7.82 Mg C ha −1 and 1.98 Mg N ha −1 in the 0-200 cm soil layers, accounting for 58.06 % of the SOC and 19.80 % of the TN of the 0-year stand. The 16-year stand gained 11.32 Mg C ha −1 and 3.30 Mg N ha −1 in the 0-200 cm soil layers, accounting for 66.71 % of the SOC and 21.98 % of the TN of the 0-year stand. The 21-year stand gained 13.05 Mg C ha −1 and 5.45 Mg N ha −1 from the same soil depth, accounting for 69.79 % of the SOC and 40.47 % of the TN compared with the 0-year stand. The extent of these changes depended on soil depth and plantation age. The results demonstrated that, as stand age increased, the storage of SOC and TN increased. These results further indicated that restoration with S. cheilophila has positive impacts on the Gonghe Basin and has increased the capacity of SOC sequestration and N storage. The shrub's role as carbon sink is compatible with system management and persistence. The findings are significant for assessing C and N sequestration accurately in semi-arid degraded high, cold sandy regions in the future.

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Soil Characteristics and Carbon Sequestration Potentials of Vegetation in Degraded Hills of Chittagong, Bangladesh

Cited by 61 publications

References 12 publications

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

Land use effects on soil organic carbon sequestration in calcareous Leptosols in former pastureland – a case study from the Tatra Mountains (Poland)

Changes in soil organic carbon and nitrogen capacities of <i>Salix cheilophila</i> Schneid along a revegetation chronosequence in semi-arid degraded sandy land of the Gonghe Basin, Tibet Plateau

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Soil Characteristics and Carbon Sequestration Potentials of Vegetation in Degraded Hills of Chittagong, Bangladesh

Cited by 61 publications

References 12 publications

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

Soil organic carbon along an altitudinal gradient in the Despeñaperros Natural Park, southern Spain

Land use effects on soil organic carbon sequestration in calcareous Leptosols in former pastureland – a case study from the Tatra Mountains (Poland)

Changes in soil organic carbon and nitrogen capacities of &lt;i&gt;Salix cheilophila&lt;/i&gt; Schneid along a revegetation chronosequence in semi-arid degraded sandy land of the Gonghe Basin, Tibet Plateau

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Changes in soil organic carbon and nitrogen capacities of <i>Salix cheilophila</i> Schneid along a revegetation chronosequence in semi-arid degraded sandy land of the Gonghe Basin, Tibet Plateau