F. Xavier Oms

First fossil evidence of an “interglacial refugium” in the Pyrenean region

A refugium is generally understood as an area where temperate species survive cold periods, such as the Iberian, Italian, or Balkan Peninsulas in Europe. Strictly speaking, this definition refers to what is known as a glacial refugium. However, there are various types of lesser-known refugia such as the interglacial refugium, which denotes a mountainous region at low latitudes, such as the Pyrenees, where species adapted to the cold survive during interstadial periods. The small-vertebrate association from the sequence of Cova Colomera, which is located on the southern face of the Pyrenees and contains the final cold spell of the Late Pleistocene and the beginnings of the temperate period in which we currently find ourselves (the Holocene), could constitute the first fossil evidence of such an interglacial refugium, thus providing new paleoecological data on the phenomenon.

First Evidence of Collective Human Inhumation from the Cardial Neolithic (Cova Bonica, Barcelona, NE Iberian Peninsula)

ABSTRACT Excavations at Cova Bonica (Barcelona, Spain) have revealed 98 human remains, grouped into five age clusters and corresponding to a minimum of six non-articulated individuals. The remains are clearly associated with Cardial pottery, lithic artifacts, and ornaments suggesting an Early Neolithic horizon. The radiocarbon dating of three human individuals provides a reliable attribution to this period, with a range between ca. 5470 and 5220 cal b.c., identifying it as one of the few assemblages of human remains directly dated from this period. These remains correspond to a rare collective human inhumation and join a growing body of samples from the Cardial Neolithic, which is providing some of the important sites for the study of population movement and the spread of Neolithization along the western Mediterranean coast.

The Neolithic in Northeast Iberia: Chronocultural Phases and 14C

This paper is the result of the research project “Aproximacion a las primeras comunidades neoliticas del NE peninsular a traves de sus practicas funerarias,” HAR2011-23149. F Xavier Oms’ work is supported by the 2014SGR-108 (Generalitat de Catalunya) and HAR2011-26193 (Ministerio de Ciencia e Innovacion) projects. Berta Morell has been supported by an FI (Generalitat de Catalunya) predoctoral grant.

Human diet and the chronology of neolithic societies in the north-east of the Iberian Peninsula: the necropolises of Puig d’en Roca and Can Gelats (Girona, Spain)

Radiocarbon and palaeodiet information has been obtained for two Neolithic necropolises in the north-east of the Iberian Peninsula: Puig d’en Roca and Can Gelats (Girona, Spain). Although Puig d’en Roca is one of the most important necropolises in this period, it is also one of the least known as, following its excavation in the 1950s and 1960s, it has scarcely been restudied archaeologically. Can Gelats is one of the latest funerary sites of this period to be excavated and therefore is little known to the scientific community. Two key issues in the study of Neolithic communities in the western Mediterranean are addressed here. Few radiocarbon determinations have been obtained at funerary sites and they have usually been applied to a very small number of individuals in each cemetery (one or two dates). In a similar way, palaeodiet analysis of Neolithic cemeteries has rarely been attempted, and therefore the information presented here is of great importance to understand the diet in those societies. This paper presents a new series of dates for two of the most important Neolithic necropolises in north-east Iberia and approaches the subsistence patterns of the populations buried there.

Stable isotope ratio analysis of bone collagen as indicator of different dietary habits and environmental conditions in northeastern Iberia during the 4th and 3rd millennium cal B.C.

The Late Neolithic and Chalcolithic periods are poorly understood in northeastern Iberia. Most of the information comes from the sepulchral structures rather than habitat settlements. The high number of individuals usually recovered from this types of collective burial spaces, together with the low number of direct radiocarbon dates available on them, forces us to be cautious and consider all the studied assemblages as belonging to the so-called Late Neolithic-Chalcolithic time period. To evaluate human dietary patterns of the Late Neolithic-Chalcolithic populations from the northeast of Iberia, stable carbon and nitrogen isotope analysis was carried out on 78 humans and 32 faunal bones from Cova de la Guineu (Font-rubí, Barcelona) and Cueva de Abauntz (Arraitz, Navarra), both of them sepulchral sites. Results show a common dietary pattern in both sites, indicating an homogeneous protein diet based on C3 terrestrial resources and no isotopic evidence of the consumption of C4 plants. Only one individual from Cueva de Abauntz, who directly dates to the first moments of the use of the cave as a burial place, suggests a different protein intake. The inter-population analysis shows a significant difference between both human and faunal δ13C values, suggesting an environmental influence on the isotope values depending on the geographic location. This effect should not be discarded and always assessed with baseline isotopic values in future studies at each area of Iberia and for different chronological moments.