Linking soil organic carbon stocks to land-use types in a mediterranean agroforestry landscape
(2014) Journal of Agricultural Science and Technology — Vol. 16, n° 3, p. 667-679 (2014)
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- Abstract
- In agroforestry landscapes, land use, and the associated management practices exert strong impacts upon soil organic carbon stocks. Data on the soil organic carbon were collected for different land-use types within a small watershed, El Salado, located in Lanjarón (SE Spain). Eight land-use types namely: farmland planted in olive, almond, and cereals; forest with Pinus halepensis Mill. and Pinus sylvestris L. stands; shrubland; grassland; as well as abandoned farmland were taken into consideration. Of the land-use types investigated, forest, shrubland, as well as grassland exhibited the highest average soil organic C stocks (100-63 Mg ha<sup>-1</sup>) in contrast with the abandoned farmland (28 Mg ha<sup>-1</sup>), with farmland representing a go-between situation (51-49 Mg ha<sup>-1</sup>). The environmental factors precipitation, temperature, and elevation significantly influenced (P < 0.01) the soil organic C stock, with the contents tending to be higher in mountain soils with respective intermediate values of 600-800 mm, 10-15°C, and 1, 000-1, 500 m asl. Thus, the present approach offers a comparison of C-sequestration patterns as related to the land-use types in a Mediterranean agroforestry landscape, where the main challenge is to integrate the forest trees and the crops within their harmonious interacting combinations.
Citations
Durán Zuazo, Rodríguez Pleguezuelo, Cuadros Tavira, & Francia Martínez. (2014). Linking soil organic carbon stocks to land-use types in a mediterranean agroforestry landscape. Journal of Agricultural Science and Technology, 16(3), 667-679. https://hdl.handle.net/2078.5/192312 (Original work published 2014)