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New plant macrofossil studies in northwestern France enable a better insight into agriculture through the Bronze and Iron Age. Most of the previous analyses, carried out in Calvados (Normandy) on Late Iron Age dwellings, suggested distinctive characteristics such as the increase of Avena (oat) and the abundance of pulses in storage pits. The collection of a new database with 25 sites was done in response to the previous lack of studies, which became an issue in Brittany, Normandy and the Loire region, which are known for their western location and trade links throughout Europe. This paper deals with farming practices and their changes during the Bronze and Iron Ages. The aim was to gather new evidence related to sowing times, tilling of fields and fertility management of soils in order to discuss extensive or intensive cultivation in northwestern France. The crop cultivation techniques were investigated by studying the weed flora composition according to the FIBS approach (Functional interpretation of botanical survey). The results reveal combinations of evidence and a pattern of intra-regional diversity. [ABSTRACT FROM AUTHOR]

Grapevine and wine have deeply shaped the landscapes, economy and cultures of Europe and the Mediterranean. In France, it is considered that viticulture started in the south via contacts with Mediterranean populations (Greeks, Etruscans, Phoenicians), during the second half of the 1st millennium BCE, and spread further with the Romans. Wild grapevines were nevertheless present in various areas of the country all through the Holocene. No archaeological or historical source allows us to follow the history of grapevine and viticulture over the entire Holocene period and over the whole territory. In this paper we investigate the potential of archaeological plant macroremains (seed/fruits and wood) to trace the history of the vine on a large scale. We have assembled the largest possible database of published and unpublished archaeobotanical data, comprising 4449 site-phases for seed and fruits and 1356 site-phases for wood remains. In spite of taphonomic discrepancies and imbalances in the datasets, the different types of macroremains and modes of preservation produce consistent patterns. They provide the first comprehensive picture of the spread of grapevine, fluctuations in the economic role of viticulture and grape uses over time, although some periods and regions are less documented. Grapevine remains are regularly recorded from the Mesolithic to the Iron Age in most regions showing that human societies were already familiar with the wild plant and its fruits, especially in the Mediterranean. In this region, Vitis remains become considerably more frequent and numerous during the Iron Age, from around 500 BCE onwards, testifying to the rapid and strong implantation of viticulture. Grapevine macroremains confirm that the spread of viticulture outside the Mediterranean area occurred mainly during the Roman period. However, this expansion was limited and mainly focused on the South. The main expansion into the temperate zone took place during the Middle Ages. However, the more detailed fluctuations of viticulture, particularly in relation to climate oscillations are still difficult to follow. Pip remains are mainly associated with urban sites. This is a consequence of the actual consumption of grapes and may be evidence of a viticulture centered around urban areas. • Macroremains data to retrace the Holocene history of Vitis. • Unique database of 4449 site-phases for seeds and 1356 site-phases for wood remains. • First comprehensive picture of the spread of Vitis and viticulture in France. • Significant and consistent involvement of cities in viticultural activities. [ABSTRACT FROM AUTHOR]

A deep sequence of Last Glacial peats and slope deposits at the foot of the Lascaux hill was investigated using a large array of methods (geology, geophysics, 14 C and OSL dating, palynology, macro-remain analysis, entomology). The peaty levels, OSL dated to between ~ 73 and 60 ka, are found within a doline developed in a fluvial terrace of the Vézère River. These gyttja and chalky gyttja deposits covered by fen peat yielded abundant beetle and plant (seeds, pollen) remains. Palaeoecological reconstructions suggest a cool steppe with willow stands compatible with an interstadial of marine isotopic stage (MIS) 4, probably Ognon II (GI-19.2). Aquatic and hygrophilous plants (sedges), which reflect local vegetation, and their dependent insects are equally well represented in the record. The peats are covered by a sequence of slope deposits: a coarse-grained lower unit deposited during late MIS 4, overlain by a heavily decalcified sandy unit with a boreal soil complex correlated with early MIS 3, and finally, a coarse-grained, calcareous unit formed during late MIS 3 and MIS 2 in connection with slope dynamics typical of periglacial environments. The palaeosols yielded a small Middle Palaeolithic lithic assemblage. [ABSTRACT FROM AUTHOR]