The occupants practised agriculture and livestock rearing, although hunting and gathering of molluscs from the nearby sea were also carried out.

It is thought that the Castro’s dead were buried in the nearby necropolis known as the Artificial caves of Casal do Pardo.

It was subsequently the site of an Islamic castle during the 12th century AD during the Almohad period of the Muslim occupation of Portugal, when it was known as Alcaria.

A limited number of red deer (Cervus elaphus) bones were discovered, suggesting that hunting of wild game was carried out.

Cattle herding appears to have been well-established in the Lisbon area during the Chalcolithic and the discovery of 20 bone fragments suggests this was the case at Chibanes.

[5][7] Finally, a wide variety of different types of molluscs were harvested, dominated by the Grooved carpet shell clam (Ruditapes decussatus).