History of fires and vegetation since the Neolithic in the Cantabrian Mountains (Spain)
Carracedo Martín, Virginia (Universidad de Cantabria. Departamento de Geografía, Urbanismo y Ordenación del Territorio)
Cunill Artigas, Raquel (Universitat Autònoma de Barcelona. Departament de Geografia)
Garcia-Codron, Juan Carlos (Universidad de Cantabria. Departamento de Geografía, Urbanismo y Ordenación del Territorio)
Pèlachs Mañosa, Albert (Universitat Autònoma de Barcelona. Departament de Geografia)
Pérez Obiol, Ramon (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Soriano, Juan Manuel (Soriano López) (Universitat Autònoma de Barcelona. Departament de Geografia)

Fecha:	2018
Resumen:	Fire has been one of the main causes of disturbance of vegetation over time, and since the Neolithic has become an irreplaceable tool for the opening of forest spaces and maintenance of pastures. Previous studies showed that the intensity and effects of wildfires are related to the biomass and controlled by climate factors. However, in regions such as Cantabria, where agriculture and livestock have spread throughout the territory since prehistory, fires should also be closely related to human land uses. The aim of this paper was to investigate the history of fires and vegetation since the Neolithic in the Cantabrian Mountains, using sedimentary charcoal and pollen data to study the role of human activities in the processes that have shaped ecosystems throughout the Holocene. The asynchrony and quantitative differences in the results obtained at different sites indicate significant variations in fire patterns at regional scale since the Neolithic, although the type and size of each basin also had a strong influence on charcoal accumulation. Maximum values for charcoal accumulation rate at La Molina were observed between the Neolithic and the Bronze Age but occurred after about 3500 cal years BP at El Cueto de la Avellanosa. At El Sertal, low charcoal accumulation rate values were observed, probably because the sequence begins in a space that already had been cleared; the maximum values occurred during the most recent millennium. These data provide evidence that fire has been a key factor in forest retreat and in maintaining open landscapes since the Neolithic.
Ayudas:	Ministerio de Economía y Competitividad CSO2012-39680-C02-01 Ministerio de Economía y Competitividad CSO 2012-39680-C02-02 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014-SGR-1090
Derechos:	Tots els drets reservats.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió acceptada per publicar
Materia:	Cantabrian Mountains ; Climate, fire ; Neolithic ; Palynology ; Sedimentary charcoal
Publicado en:	Land degradation & development, Vol. 29, issue 7, special issue (July 2018) , p. 2060-2072, ISSN 1085-3278

DOI: 10.1002/ldr.2891

Post-print 25 p, 1.4 MB

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