La desecación de las Tablas de Daimiel (1750-1987): cambios agrarios e impactos medioambientales a partir de la interpretación del registro sedimentario

Alberto Celis, Rosa Mediavilla, Juan I. Santiesteban, Silvino Castaño and Almudena de la Losa
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Alberto Celis: Museo Comarcal de Daimiel
Rosa Mediavilla: Instituto Geológico y Minero de España
Juan I. Santiesteban: Universidad Complutense de Madrid
Silvino Castaño: Centro de Estudios y Experimentación de Obras Públicas
Almudena de la Losa: Instituto Geológico y Minero de España

Historia Agraria. Revista de Agricultura e Historia Rural, 2017, issue 71, 5-35

Abstract: Located in a semi-arid zone of the central Iberian Peninsula, the Tablas de Daimiel National Park is a wetland of international significance that has experienced intense agricultural pressure since the eighteenth century. The impact of this is recorded in the sediments within the wetland, which have been studied by means of surveys. Several sediment anomalies have been found that were caused by an increase in agricultural activities, distinguishing this wetland from natural sedimentary behaviour. Four phases of significant disturbance have been established: the first drainage project in the 1750s, an increase in cultivated area in the surrounding land during the second half of the nineteenth century, a drainage attempt during the Spanish Second Republic and a final degradation in the second half of the twentieth century. Dated with some uncertainty due to the laboratory methods used, these disturbances have been corroborated by historical sources. In conclusion, one can establish that deforestation in the surrounding land, changes in land use, continual ploughing and drainage projects are all crucial in explaining the impoverishment of this wetland.

Keywords: national park; environmental impact; land use; wetlands; sedimentary record (search for similar items in EconPapers)
JEL-codes: Q15 Q24 Q25 Q26 (search for similar items in EconPapers)
Date: 2017
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