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| Titel |
Impacts of land use change in soil carbon and nitrogen in a Mediterranean agricultural area (Southern Spain) |
| VerfasserIn |
L. Parras-Alcántara, M. Martín-Carrillo, B. Lozano-García |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1869-9510
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| Digitales Dokument |
URL |
| Erschienen |
In: Solid Earth ; 4, no. 1 ; Nr. 4, no. 1 (2013-05-14), S.167-177 |
| Datensatznummer |
250017770
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| Publikation (Nr.) |
 copernicus.org/se-4-167-2013.pdf |
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| Zusammenfassung |
| The agricultural Mediterranean areas are dedicated to arable crops (AC), but
in the last decades, a significant number of AC has led to a land use change (LUC)
to olive grove (OG) and vineyards (V). A field study was conducted to
determine the long-term effects (46 years) of LUC (AC by OG and V) and to
determine soil organic carbon (SOC), total nitrogen (TN), C : N ratio and
their stratification across the soil entire profile, in Montilla-Moriles
denomination of origin (D.O.), in Calcic-Chromic Luvisols (LVcc/cr), an area
under semiarid Mediterranean conditions. The experimental design consisted
of studying the LUC on one farm between 1965 and 2011. Originally, only AC
was farmed in 1965, but OG and V were farmed up to now (2011). This LUC
principally affected the horizon thickness, texture, bulk density, pH,
organic matter, organic carbon, total nitrogen and C : N ratio. The LUC had a
negative impact in the soil, affecting the SOC and TN stocks. The conversion
from AC to V and OG involved the loss of the SOC stock (52.7% and
64.9% to V and OG respectively) and the loss of the TN stock (42.6%
and 38.1% to V and OG respectively). With respect to the stratification
ratios (SRs), the effects were opposite; 46 years after LUC increased the
SRs (in V and OG) of SOC, TN and C : N ratio. |
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