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    Dynamics of soil carbon stock, total nitrogen, and associated soil properties since the conversion of Acacia woodland to managed pastureland, parkland agroforestry, and treeless cropland in the Jido Komolcha District, southern Ethiopia

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    Authors
    Gurmessa, Biyensa
    Demessie, Ambachew
    Lemma, Bekele
    Date Issued
    2016-07
    Date Online
    2016-05
    Language
    en
    Type
    Journal Article
    Review status
    Peer Review
    ISI journal
    Accessibility
    Open Access
    Metadata
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    Citation
    Gurmessa, Biyensa; Demessie, Ambachew; Lemma, Bekele. 2016. Dynamics of soil carbon stock, total nitrogen, and associated soil properties since the conversion of Acacia woodland to managed pastureland, parkland agroforestry, and treeless cropland in the Jido Komolcha District, southern Ethiopia . Journal of Sustainable Forestry. 35(5): 324-337.
    Permanent link to cite or share this item: https://hdl.handle.net/10568/76689
    DOI: https://doi.org/10.1080/10549811.2016.1175950
    Abstract/Description
    In the arid, low biomass producing areas of Ethiopia, Acacia woodlands suffered a severe degradation due to exploitation for various uses, and conversion to grazing and cultivated lands. However, little is known on the impact of agricultural land uses on soil organic carbon (SOC), total nitrogen (TN) stocks, and other soil quality indicators. This study was planned to evaluate SOC and TN stock changes under parkland agroforestry (PAF), managed pastureland (MPL), and treeless cropland (TLCL) regimes by considering the remnant protected woodland (PWL) as a reference. We found that SOC and TN stocks were significantly higher in PWL and MPL areas. Conversion of Acacia woodlands to MPL, PAF, and TLCL resulted in the loss of SOC stock by 23, 50, and 56%, respectively. Higher SOC and TN stocks were found under PWL (144.3 Mg ha−1) and MPL (108.2 Mg ha−1). Significant changes in available phosphorous (P), exchangeable cations, and cation exchangeable capacity were observed following the woodland conversion to different land use types. Available P was the highest in MPL compared with the other land use regimes. Within the study area, the MPL land use type was the best land management option for protecting SOC and TN soil stocks.
    AGROVOC Keywords
    carbon sequestration; crop residues; land use; soil; agroforestry; trees; secuestro de carbono; residuos de cosechas; utilización de la tierra; suelo; agroforesteria; árboles
    Subjects
    LAND USE; SOIL INFORMATION;
    Countries
    Ethiopia
    Regions
    Africa; Eastern Africa
    Collections
    • CIAT Articles in Journals [2636]
    • CIAT Soils [227]

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