Impact of Land Uses, Agrophysical Variables and Altitudinal Gradient on Soil Organic Carbon Concentration of North‐Eastern Himalayan Region of India

Choudhury, B. U.; Fiyaz, Abdul R; Mohapatra, K. P.; Ngachan, S. V.

doi:10.1002/ldr.2338

Cited by 94 publications

(59 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For instance, the increase in the BD content in the agricultural and urban soils comes from long‐term or intense short‐term anthropic activity connected with the activities of humans, livestock, and machines, such as building in urban areas, farming in cultivated fields, and over‐grazing in pasture lands (Khaledian et al, ; Kaleeem Abbasi et al, ). This clustering was confirmed by PCA, which can help determine the most important factors contributing to soil quality in different land uses (Yang et al, ; Choudhury et al, ; Costantini et al, ).…”

Section: Discussionmentioning

confidence: 95%

Assessment and Monitoring of Soil Degradation during Land Use Change Using Multivariate Analysis

et al. 2016

View full text Add to dashboard Cite

Not only are soil erosion and overall loss of soil fertility serious issues for loess‐derived soils of developing nations, such as Iran, but they are also global problems. This research investigated the role of land use change and its effect on soil degradation in cultivated, pasture, and urban lands, when compared with native forest in terms of declining of soil quality and fertility. Multivariate statistical methods including principal component analysis and cluster analysis were employed to determine the relative magnitude of anthropogenic and natural influences on soil quality. Partial least squares (PLS), principal component regression, and ordinary least squares regression were used to predict soil cation exchange capacity using soil characteristics. Principal component analysis identified five primary components of soil quality. PC1 explained 41·01% of the total variance, PC2 accounted for 15·29%, and PC3 accounted for 11·3%. PC4 and PC5 accounted for 7·37% and 4·19% of the total variance, respectively. Cluster analysis revealed that the lowest soil quality occurred in urban soils. An exponential semivariogram using PLS predictions revealed stronger spatial dependence among cation exchange capacity [r2 = 0·80, root mean square error (RMSE) = 1·99] than the other methods, principal component regression [r2 = 0·84, RMSE = 2·45] and ordinary least squares [r2 = 0·84, RMSE = 2·45]. Therefore, the PLS method provided the best model for the data. In stepwise regression analysis, mean weight diameter and labile carbon were selected as influential variables in all soils. This study quantified reductions in numerous soil quality parameters resulting from extensive land‐use changes and urbanization in the Ziarat watershed in northern Iran. Copyright © 2016 John Wiley & Sons, Ltd.

show abstract

Section: Discussionmentioning

confidence: 95%

Assessment and Monitoring of Soil Degradation during Land Use Change Using Multivariate Analysis

et al. 2016

View full text Add to dashboard Cite

show abstract

“…Agricultural soils are a source of CO 2 emission around the world, and this is accompanied by mismanagement that results in high erosion rates, soil aggregate loss, low infiltration rates, and changes in the soil biota (Bruun et al, 2015;Choudhury et al, 2016;de Moraes Sá et al, 2015;de Oliveira et al, 2015;Frossard et al, 2016;Gelaw et al, 2015;Leifeld and Mayer, 2015). The impact of CO 2 on global warming has resulted in a growing interest in reducing emissions and increasing sequestration, and soil can be a good sequestration option under appropriate management (Carr et al, 2015;Ferreira et al, 2016;Hu et al, 2015;Hombegowda et al, 2016;Poeplau et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Agricultural land abandonment in Mediterranean environment provides ecosystem services via soil carbon sequestration

Novara

Gristina

Sala

et al. 2017

Science of The Total Environment

119

View full text Add to dashboard Cite

“…The geological framework of Crete has been studied thoroughly [16][17][18] and soil development appears mainly in limestones, ultramafic rocks, calcareous marls, metamorphic rocks (phyllites-quartzites), and alluvial sediments. Moreover, Crete exhibits a semiarid 2 Applied and Environmental Soil Science Mediterranean climate (long hot-summers [20][21][22][23][24][25][26][27][28][29][30][31] ∘ C) which remained unchanged the last 20 Ma (late Miocene-early Pliocene till present) [19]. Thus, soils appear relatively fragile with low organic content, sparse vegetation, and being prone to desertification [20,21].…”

Section: Introductionmentioning

confidence: 99%

“…The last decade a major concern has been raised regarding the preservation of our soils and that it is mentioned also in the recent accomplished European funded project Soil Transformation in European Catchments (SoilTrEC) [22]. Climate change has been reported as a severe driving force for soil deterioration in areas such as England and Wales [23][24][25][26][27]. Crete will also be affected by climate change and represents an area of high desertification risk.…”

Section: Introductionmentioning

confidence: 99%

Chemical and Physical Characteristics in Uncultivated Soils with Different Lithology in Semiarid Mediterranean Clima

Moraetis

Lydakis-Simantiris

Pentari

et al. 2016

Applied and Environmental Soil Science

View full text Add to dashboard Cite

The aim of this study is to identify the chemical and physical characteristics in uncultivated soils derived from different parent materials under semiarid Mediterranean climatic conditions which favoured the formation of fragile soils. The current work is of great interest in the agriculture and environmental stakeholders for providing a "benchmark" of undisturbed soil quality regarding organic content and nutrients availability. Principal Component Analysis (PCA) was used as the primary tool to demonstrate the soil quality stage, regarding nutrient availability. The statistical analysis revealed that one of the major physicochemical characteristics such as cation exchange capacity (CEC) is controlled exclusively from mineralogy and not from organic matter. Mineralogy and bulk chemical analysis is directly related to soil parent material lithology. The availability of inorganic nutrients (macro-and micronutrients) is low and relatively identical to most of the soils. PCA shows the unusual correlation of K + with not only illite content but also the OM in soils. The development of soils which are already of low quality in respect of organic content and nutrients is evident in Crete in most of the 54 samples investigated.

show abstract

Impact of Land Uses, Agrophysical Variables and Altitudinal Gradient on Soil Organic Carbon Concentration of North‐Eastern Himalayan Region of India

Cited by 94 publications

References 31 publications

Assessment and Monitoring of Soil Degradation during Land Use Change Using Multivariate Analysis

Assessment and Monitoring of Soil Degradation during Land Use Change Using Multivariate Analysis

Agricultural land abandonment in Mediterranean environment provides ecosystem services via soil carbon sequestration

Chemical and Physical Characteristics in Uncultivated Soils with Different Lithology in Semiarid Mediterranean Clima

Contact Info

Product

Resources

About