Nacimiento, desarrollo y ocaso de Portus: Datos geoarqueológicos sobre el Canale di Imbocco
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Abstract
El análisis multidisciplinar (textura, macrofauna, microfauna, restos vegetales) de la parte superior de un testigo
obtenido en el Canal di Imbocco, situado en el antiguo puerto romano de Portus (Fiumicino, Roma), ha permitido definir
la evolución paleoambiental postrera de este sector de tránsito entre el puerto exterior construido por el emperador
Claudio y el puerto interior, obra del emperador Trajano. En una primera fase, la colmatación parcial de este canal
se debió a la acumulación de Posidonia oceanica en su fondo, procedente de las praderas que poblaban la zona litoral
adyacente. En una segunda fase, la conexión fluvio-marina del canal continuaba, con el transporte en suspensión de
fauna marina hacia las zonas internas del puerto. Finalmente, el abandono del canal quedó expresado en la presencia de
sedimentos fluviales, de origen natural y/o antrópico.
The multidisciplinary analysis (texture; macrofauna; microfauna; vegetable remains) of a core obtained in the Canale di Imbocco (old Roman port of Portus, Fiumicino, Rome) has allowed us to define the final paleoenvironmental evolution of this channel, located between the external basin of Claudius and the most protected port of Trajan. In a first phase, the accumulation of Posidonia oceanica caused the partial infill of this channel, transported from the adjacent littoral meadows. The second phase is characterized by a continuous fluvio-marine interaction, with the transport in suspension of numerous planctonic foraminifera towards the innermost zones of this port. Lastly, the final fluvial or anthropic filling of the canal demonstrates its disconnection from the sea and the end of port activity.
The multidisciplinary analysis (texture; macrofauna; microfauna; vegetable remains) of a core obtained in the Canale di Imbocco (old Roman port of Portus, Fiumicino, Rome) has allowed us to define the final paleoenvironmental evolution of this channel, located between the external basin of Claudius and the most protected port of Trajan. In a first phase, the accumulation of Posidonia oceanica caused the partial infill of this channel, transported from the adjacent littoral meadows. The second phase is characterized by a continuous fluvio-marine interaction, with the transport in suspension of numerous planctonic foraminifera towards the innermost zones of this port. Lastly, the final fluvial or anthropic filling of the canal demonstrates its disconnection from the sea and the end of port activity.
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Bibliographic citation
Arroyo, M.; Gómez, G.; Ruiz, F.; Muñoz, A.F.; González-Regalado, M.L.; Rodríguez Vidal, J; Muñiz, F.; Cáceres, L.M.; Gómez, P.; Abad, M.; Izquierdo, T. & Romero, V. (2023). Nacimiento, desarrollo y ocaso de Portus: datos geoarqueológicos sobre el Canale di Imbocco. In Bermejo-Meléndez, J.; Campos-Carrasco, J.M. & Sebastiani, R. (eds). Portus, investigaciones geoarqueológicas en el muelle este-oeste (pp. 133-142). Archaeopress














