Person:
Santisteban Navarro, Juan Ignacio

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First Name
Juan Ignacio
Last Name
Santisteban Navarro
URI
https://hdl.handle.net/20.500.14352/75187
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Geológicas
Department
Geodinámica, Estratigrafía y Paleontología
Area
Estratigrafía
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Author: López Pamo, Enrique × Subject: 551.79(460.287) ×

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    Late holocene environments in Las Tablas de Daimiel (south central Iberian peninsula, Spain)
    (Vegetation history and archaeobotany, 2007) Gil García, María Elena; Ruiz Zapata, María Blanca; Santisteban Navarro, Juan Ignacio; Mediavilla López, Rosa María; López Pamo, Enrique; Dabrio González, Cristino José
    The use of a high resolution pollen record in combination with geochemical data from sediments composed mainly of layers of charophytes alternating with layers of vegetal remains plus some detrital beds permits the reconstruction of the environmental evolution of the last 3000 years in an inland wetland of the Mediterranean domain, thus introducing a new climatic dataset for the Late Holocene. Hydrological fluctuations, reflected in the relationship between emerged and aquatic vegetation and inorganic and organic C and N changes, can be related to aridity or humid phases, while relations among arboreal taxa (Quercus and Pinus) and Artemisia are used as temperature indicators. Five climatic periods have been identified: a Subatlantic Cold Period (<150 b.c.), cold and arid; the RomanWarm Period (150 b.c.–a.d. 270), warmer and wetter; the Dark Ages (a.d. 270–a.d. 950), colder and drier; the Medieval Warm Period (a.d. 950–a.d. 1400), warmer and wetter; and the Little Ice Age (>a.d. 1400) indicated by a cooling and drying trend. Despite the lack of any direct evidence of human action, there are some episodes related to deforestation during the Reconquista (Middle Ages) that mask the real climatic signal.