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La defensa fortificada del oeste de la cora de Santaver a través de los sistemas de información geográfica (SIG): un estudio multidisciplinar

Publicated to:Virtual Archaeology Review. 15 (30): 161-176 - 2024-01-01 15(30), DOI: 10.4995/var.2024.20168

Authors: Parra-Aguilar, Leonor

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Abstract

In recent years, archaeological, historical and geographical research assisted by Geographical Information Systems (GIS) has shown relevant results. However, the area of study proposed in this paper, together with the historical context chosen, has lacked specific multidisciplinary research that brings together the three disciplines aforementioned. This article presents analyses carried out using QGIS software. It also explains and contrasts the results obtained with the archaeological studies and fieldwork.The study area chosen here belonged to the westernmost territories of the ancient "cora de Santaver". The Order of Santiago inherited these territories at a later date. Currently, the territory coincides with La Mancha of Toledo and Cuenca. The proposed chronology starts in the 10th century, with the Muslims settled in the Iberian Peninsula. And it ends in the 16th century, a time after the Christian population was definitively established in the area. This chronology was chosen because it allows researchers to evaluate the role of the fortifications from their origin until their integration after the Christian conquest. The methodology applied has made possible to locate 86 fortifications of different types over an area of more than 5000 km2. These were built by the Andalusi population between the 10th and 12th centuries. GIS analyses were carried out on these fortifications. They consisted of visibility basins, intervisibility networks and heat maps.The results showed that the fortresses visually controlled the entire territory. This made it difficult to conquer. Entering this territory riddled with fortresses did not allow any medieval army to conquer the capital: Ucles. The GIS study has made it possible to evaluate the defensive patterns created. One of these patterns shows the existence of towers capable of observing over a long distance: 50 km. These towers sequentially connect to other fortresses that have a shorter visual range. This network of fortresses not only defined patterns of territorial defence, but also of occupation of the territory. The distribution of these buildings shows where the population preferred to live, as many of these fortresses were associated with places of habitation. It also reveals where they feared their enemies would approach or where they obtained the resources they most desired. It has also been possible to stipulate a typology of the fortresses, common constructive elements and their functions. The fortifications observed are two qasr, one munya, one ma'qil, two qal'a, five qarya, two qasabah, ten tala'i' and the rest have been identified as husun. It is proven that the fortresses were simple buildings. They were built to protect the population and their resources, as well as for communication purposes. They were built on rocky crags that were not the highest in the area, but were the best visually connected to neighbouring fortresses. They were built on a flattened stone surface and used a 'zarpa' to regulate the ground. Their walls were made of stone or mudwall. They used reddish mortar made from clays.It has also been shown that all of them acted as communicating elements: a good example of this is the name Anador (an-nazur). And they must have communicated with fire as suggested by the word al-manara.Definitely, this network of fortresses was created to be a deterrent effect in itself, being difficult to go through for any medieval army. In sum, the use of GIS provided a simple, useful, and powerful tool for analysing historical defences within the defined cora de Santaver territories.It delivered concrete data that can be checked by fieldwork and synthesises huge amounts of information that would be neglected or misunderstood if they were analysed by smaller portions of territory, as sometimes happens when a small meaningless area is used as a representative pattern of occupation for bigger territories.

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