Influential factors and processes in post-fire spatial changes of soil seed banks structure in Mediterranean saline steppe

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Published: Jun 20, 2015
Keywords:
plant patches, microhabitats, secondary succession.

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Pablo Ferrandis
Instituto Botánico de la Universidad de Castilla La Mancha, Jardín Botánico de Castilla La Mancha.
Álvaro Sánchez Virosta
Instituto Botánico de la Universidad de Castilla La Mancha, Jardín Botánico de Castilla La Mancha.
José María Herranz
Instituto Botánico de la Universidad de Castilla La Mancha, Jardín Botánico de Castilla La Mancha.
Esmeralda Martínez Duro
Instituto Botánico de la Universidad de Castilla La Mancha, Jardín Botánico de Castilla La Mancha.

Abstract

Mediterranean saline steppes hold plant communities adapted to saline soils and severe droughts, with a spatial structure tipycal of semi-arid environments: vegetation is distributed in multi-specific patches on a large bare-soil matrix. Such a structure exerts a strong effect on spatio-temporal patterns of the soil seed bank, which tends to accumulate under plant patches. In this study, we evaluated the recover ability of soil seed banks and possible changes in their spatial patterns during the earliest post-fire phases in a saline steppe, when the extant vegetation was temporally removed in the habitat. The study was carried out in El Saladar de Cordovilla (Tobarra, Albacete) after a fire in the late summer of 2011. To do this we proceeded to track and collect soil samples during the subsequent year and a half to fire. The seed in samples were identified and the results were subjected to various statistical analyses. The results showed that 18 months were not enough to recovery the original composition of soil seed bank in continental saline steppes, because after a fire the plant patches structure disappear temporarily, at least from original places, so their effect on spatial patterns of soil seed bank distribution are temporarily deleted.

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How to Cite
Ferrandis, P., Sánchez Virosta, Álvaro, María Herranz, J., & Martínez Duro, E. (2015). Influential factors and processes in post-fire spatial changes of soil seed banks structure in Mediterranean saline steppe. Cuban Journal of Forest Science, 3(1), 31–44. Retrieved from https://cfores.upr.edu.cu/index.php/cfores/article/view/105
Issue
Vol. 3 No. 1 (2015): January-june
Section
Scientific articles
Author Biography

Pablo Ferrandis, Instituto Botánico de la Universidad de Castilla La Mancha, Jardín Botánico de Castilla La Mancha.

Dr. en Biología, Sección de Biología de la Conservación de Plantas y Ecología Vegetal

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