International audienceAncient Persia witnessed one of its most prosperous cultural and socio-economic periods between 550 bc and ad 651, with the successive domination of the Achaemenid, Seleucid, Parthian and Sassanian Empires. During this period agricultural activities increased on the Iranian plateau, as demonstrated by a remarkable arboricultural expansion. However, available data are not very informative about the spatial organization of agricultural practices. The possible links between climate conditions and agricultural activities during this millennium of continuous imperial domination are also unclear, due to the lack of parallel human-independent palaeoclimatic proxies. This study presents a new late Holocene pollen-based vegetation record from Lake Parishan, SW Iran. This record provides invaluable information regarding anthropogenic activities before, during and after the empires and sheds light on (i) spatial patterning in agricultural activities and (ii) possible climate impacts on agro-sylvo-pastoral practices during this period. Results of this study indicate that arboriculture was the most prominent form of agricultural activity in SW Iran especially during the Achaemenid, Seleucid and Parthian periods. Contrary to the information provided by some Greco-Roman written sources, the record from Lake Parishan shows that olive cultivation was practiced during Achaemenid and Seleucid times, when olive cultivation was significant, at least in this basin located close to the capital area of the Achaemenid Empire. In addition, pollen from aquatic vegetation suggests that the period of the latter centuries of the first millennium bc was characterized by a higher lake level, which might have favoured cultural and socio-economic prosperity

Timber in an archaeological context can be used to establish chronologies, to understand the history of architecture and to reconstruct cultural landscapes and natural vegetation in the past. In this study, we use the xylological identifications and radiocarbon dating results of five timber fragments recently discovered in three palaces or palace-like structures in Fars (SW Iran) dating back to the period of the Sasanian Empire (224-651 CE). We show that Qal'a-ye Dokhtar, a fortified palace to the north of Firuzabad, was constructed during the power transition from the Parthian to the Sasanian period. On the other hand, the so-called Palace of Ardashir I besides Firuzabad, was accomplished after the power takeover by the Sasanians and the political stabilisation of SW Iran under the reign of Ardashir I (224-240 CE) and his son Shapur I (240-270 CE). We also demonstrate that the 'Palace of Sarvistan' was mainly used right after the fall of the Sasanian Empire during the first centuries of Islamic domination over Iran. The discovery of timber in stone-dominated Sasanian architecture adds information on timber use in the Late Antique Near East. Mediterranean cypress (Cupressus sempervirens L.) was the only timber found in Sasanian palatial architecture, and its use suggests that the tree was one of the major cultivated elements in ancient 'Persis' most probably for its shade, beauty and building timber, but possibly also for its symbolic significance and sacred status to the Zoroastrians. Cypress trees may have played a major role in Persian gardens since antiquity, along with plane trees.

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The Achaemenid Empire can be reasonably considered an “empire of peoples” from both an ideological and structural perspective. It included all the lands of the peoples of the world and all people helped to maintain imperial order and prosperity. In reality, the empire had boundaries and there were peoples who lived near and beyond them. Under King Darius I, groups of people were annexed at the northeastern and northwestern margins of the imperial territory, thus entering the imperial space and consequently also the Achaemenid documents. The border peoples of the Yau̯nā and Sakā were the only peoples of the empire to be differentiated through epithets, which were added to their collective names in the texts. This shows a unique process of group identity constructions by the authorities on the edges of the imperial space. The analysis of the system of epithets used to indicate the Yau̯nā and Sakā conducted in this paper allows us to draw some conclusions on the mechanisms and reasons behind these specific forms of identity constructions at the margins. Moreover, it shows how this process reflected the main directions of imperial expansion under the first Achaemenids.

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