Dynamics of soil carbon stock, total nitrogen, and associated soil properties since the conversion ofAcaciawoodland to managed pastureland, parkland agroforestry, and treeless cropland in the Jido Komolcha District, southern Ethiopia
| Autor: | Ambachew Demessie, Biyensa Gurmessa, Bekele Lemma |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
010504 meteorology & atmospheric sciences
biology Renewable Energy Sustainability and the Environment Agroforestry Geography Planning and Development Acacia Forestry 04 agricultural and veterinary sciences Soil carbon Woodland Management Monitoring Policy and Law Carbon sequestration biology.organism_classification 01 natural sciences Soil quality Arid Soil water Grazing 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Environmental science 0105 earth and related environmental sciences Food Science |
| Zdroj: | Journal of Sustainable Forestry. 35:324-337 |
| ISSN: | 1540-756X 1054-9811 |
| DOI: | 10.1080/10549811.2016.1175950 |
| Popis: | 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... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|