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Title: Can sheep livestock systems based on dynamic grazing influence soil compaction? A case study on dryland pastures in the Mediterranean Montado ecosystem
Authors: Serrano, J.
Carreira, E.
Shahidian, S.
Carvalho, M.
Silva, J.
Paniagua, L.
Moral, F.
Pereira, A.
Editors: Pérez-Ruiz, Manuel
Cegarra, Gregorio
Urrestarazu, Luiz
Torre, Isabel
Lizana, Antonio
Salas, Antonio
Ortega, Manuel
Martos, Rocio
Fernandez, Alejandro
Keywords: cone index
animal trampling
deferred grazing
continuous grazing
Issue Date: 4-Sep-2023
Publisher: XII Congresso Ibérico de AgroEngenharia
Citation: Serrano, J., Carreira, E., Shahidian, S., Carvalho, M., Silva, J., Paniagua, L., Moral, F., Pereira, A. Can sheep livestock systems based on dynamic grazing influence soil compaction? A case study on dryland pastures in the Mediterranean Montado ecosystem. In: Livro de atas, p. 75-82. (Comunicação oral) ISBN: 978-84-09-53018-2.
Abstract: Deferred grazing (DG) consists in adapting the number of animals and the number of days grazed to the availability of pasture. Compared to continuous grazing (CG), which is based on a permanent and low stocking rate, DG is a management strategy that aims at optimizing the use of the resources available in the Mediterranean Montado ecosystem. This study with sheep grazing, carried out between 2019 and 2021 on a 4 ha pasture in Alentejo region of the Southern of Portugal, assesses the impact of these two grazing management systems on soil compaction. This area was divided into four grazing parks of 1 ha each, two under DG management and two under CG management. The cone index (CI, in kPa) was measured in the topsoil layer (0–30 cm) with an electronic cone penetrometer at 48 georeferenced areas (12 in each park). The results of CI measurement showed no significant differences between treatments in all depths measured (0–10, 10–20, and 20–30 cm). These findings are encouraging from the point of view of soil conservation and sustainability, revealing good prospects for the intensification of extensive livestock production. Future work should evaluate the long-term impact and consider other ecosystem services and system productivity indicators.
Type: article
Appears in Collections:MED - Artigos em Livros de Actas/Proceedings

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