Topographic Position, Land Use and Soil Management Effects on Soil Organic Carbon (Vineyard Region of Niš, Serbia)

Jakšić, Snežana; Ninkov, Jordana; Milić, Stanko; Vasin, Jovica; Živanov, Milorad; Perović, Velјko; Banjac, Borislav; Vuckovic, S.; Dozet, Gordana; Komlen, Vedrana

doi:10.3390/agronomy11071438

Cited by 7 publications

(7 citation statements)

References 56 publications

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“…About 43.39% of the observed area is located on terrains with a slope greater than 0 to 5 • (Figure 1b). The share of area in the Niš region on slopes greater than 5 to 10 • is 26.42%, while 16.04% of the area is located on very steep terrains (with a slope greater than 10 to 15 • ) [17].…”

Section: Study Areamentioning

confidence: 97%

“…Most of the observed area (48.11%) is at altitudes of between 200 and 300 m, while 28.11% is at an altitude of 300 to 400 m and 13.02% is at an altitude of 400 to 500 m. Other altitudes constitute a significantly lower share of the area. There are six vine-growing districts in this region: Sokobanja, Aleksinac, Žitkovac, Čegar, Kutina, and Svrljig (Figure 1a) [17].…”

Section: Study Areamentioning

confidence: 99%

“…Figure 1c shows that the slopes in the Niš region are mostly oriented to the south (S) (31.5%), southwest (SW) (19.16%), southeast (SE) (14.04%), west (W) (11.95%), and east (E) (7.40%) [17].…”

Section: Study Areamentioning

confidence: 99%

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Influence of Slope Gradient and Aspect on Soil Organic Carbon Content in the Region of Niš, Serbia

et al. 2021

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Topography-induced microclimate differences determine the local spatial variation of soil characteristics as topographic factors may play the most essential role in changing the climatic pattern. The aim of this study was to investigate the spatial distribution of soil organic carbon (SOC) with respect to the slope gradient and aspect, and to quantify their influence on SOC within different land use/cover classes. The study area is the Region of Niš in Serbia, which is characterized by complex topography with large variability in the spatial distribution of SOC. Soil samples at 0–30 cm and 30–60 cm were collected from different slope gradients and aspects in each of the three land use/cover classes. The results showed that the slope aspect significantly influenced the spatial distribution of SOC in the forest and vineyard soils, where N- and NW-facing soils had the highest level of organic carbon in the topsoil. There were no similar patterns in the uncultivated land. No significant differences were found in the subsoil. Organic carbon content was higher in the topsoil, regardless of the slope of the terrain. The mean SOC content in forest land decreased with increasing slope, but the difference was not statistically significant. In vineyards and uncultivated land, the SOC content was not predominantly determined by the slope gradient. No significant variations across slope gradients were found for all observed soil properties, except for available phosphorus and potassium. A positive correlation was observed between SOC and total nitrogen, clay, silt, and available phosphorus and potassium, while a negative correlation with coarse sand was detected. The slope aspect in relation to different land use/cover classes could provide an important reference for land management strategies in light of sustainable development.

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Section: Study Areamentioning

confidence: 97%

Section: Study Areamentioning

confidence: 99%

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Influence of Slope Gradient and Aspect on Soil Organic Carbon Content in the Region of Niš, Serbia

et al. 2021

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“…Table 3 displays the results obtained from laboratory analysis of soil organic carbon (SOC), organic matter (OM), climatological data variables, and elevation. Soil organic carbon is partially controlled by exposure to physical and environmental conditions such as land use, slope, altitude, and climatology [42][43][44]. Geostatistical analysis helps us understand the distribution of soil organic carbon stocks and their spatial distribution [34].…”

Section: Spatial Distribution Of Soil Organic Carbonmentioning

confidence: 99%

Spatial Distribution of Soil Organic Carbon in Relation to Land Use, Based on the Weighted Overlay Technique in the High Andean Ecosystem of Puno—Peru

Canaza,

Calizaya,

Chambi

et al. 2023

Sustainability

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Soil organic carbon (SOC) is a crucial component of the planet and is essential for agriculture development. Our region is known for its livestock and agricultural activities. Hence, understanding the spatial distribution of SOC is crucial for sustainable land management of soils in the mountain ecosystems in the Andes. The methodology consisted of obtaining 53 soil samples from depths of 0 to 105 cm, which were analyzed to obtain SOC (Kg/m2) and organic matter (OM) (%). Ordinary kriging, a geostatistical method, was used to determine SOC. Pearson’s statistical method was applied to determine the association between SOC and precipitation, temperature, altitude, and organic matter and gave acceptable correlations of 0.38, −0.32, 0.40, and 0.59. These results were used to apply weighting criteria for climatological and environmental variables. The weighted overlay tool was used for modeling and mapping the spatial variability of SOC. The estimated spatial distribution of SOC in the micro-watershed reveals an increasing trend from south to north, specifically within the 0–20 cm depth profile. The study confirmed through the spatial analysis that regions with intensive agriculture have low reserves (<3 Kg/m2) of SOC, and areas without agricultural activity but with grazing have average resources of 3 Kg/m2 to 5 Kg/m2 of SOC. Finally, in the upper micro-watersheds where there is no agricultural activity, the reserves are high (5 Kg/m2 to 6.8 Kg/m2). Accordingly, we can promote sustainable and responsible land use practices that support long-term productivity, environmental protection, and societal well-being by prioritizing efficient land utilization, soil conservation, biodiversity conservation, land restoration, and informed land use planning in the high Andean ecosystem of Puno–Peru.

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“…The SOC content was significantly lower in the lower slope than in the upper and middle slopes in the BLF and the upper and middle soils of the BF (p < 0.05). The effects of slope position on SOC are the following: (i) different slope positions change the temperature and humidity, thus changing the SOC content in the soil by affecting the rate of SOC accumulation [89]; (ii) there are different degrees of soil erosion or leaching at different slope locations, which changes the organic carbon content of the soil [90,91].…”

Section: Topographic Factors Influence Soc Spatial Heterogeneity In S...mentioning

confidence: 99%

Topography and Soil Organic Carbon in Subtropical Forests of China

Zhou

Xie

et al. 2023

Forests

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Soil organic carbon (SOC) strongly contributes to the operation of the global carbon cycling, and topographical factors largely influence its spatial distribution. However, SOC distribution and its leading topographical impact factors in subtropical forest ecosystems (e.g., the Zhejiang Province in China) have received relatively limited attention from researchers. In this study, 255 forest soil samples were collected from the Zhejiang Province to quantify the spatial variation in SOC and impact factors in subtropical forests. The SOC contents over soil profiles were 35.95 ± 22.58 g/kg, 20.98 ± 15.26 g/kg, and 13.77 ± 11.28 g/kg at depths of 0–10 cm, 10–30 cm, and 30–60 cm, respectively. The coefficient variations at different depths were 62.81% (0–10 cm), 72.74% (10–30 cm), and 81.92% (30–60 cm), respectively. SOC content shows a moderate intensity variation in the Zhejiang Province. The nugget coefficients of the SOC content for the three depths were 0.809 (0–10 cm), 0.846 (10–30 cm), and 0.977 (30–60 cm), respectively. Structural factors mainly influence SOC content. SOC content is positively correlated with elevation and slope, and negatively correlated with slope position (p < 0.05). However, the SOC content was negatively correlated with slope in mixed coniferous and broad-leaved forest. The distribution of the SOC content was relatively balanced between different slope positions. However, the differences became obvious when forest types were distinguished. Topographical factors affected the SOC content differently: elevation > slope > slope position. Slope becomes the main influencing factor in 30–60 cm soil. Forest type significantly influenced the SOC content but with a low statistical explanation compared to topographical factors. Topography has different effects on SOC of different forest types in subtropical forests. This reminds us that in future research, we should consider the combination of topography and forest types.

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Topographic Position, Land Use and Soil Management Effects on Soil Organic Carbon (Vineyard Region of Niš, Serbia)

Cited by 7 publications

References 56 publications

Influence of Slope Gradient and Aspect on Soil Organic Carbon Content in the Region of Niš, Serbia

Influence of Slope Gradient and Aspect on Soil Organic Carbon Content in the Region of Niš, Serbia

Spatial Distribution of Soil Organic Carbon in Relation to Land Use, Based on the Weighted Overlay Technique in the High Andean Ecosystem of Puno—Peru

Topography and Soil Organic Carbon in Subtropical Forests of China

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