Pottery in the computer age

Published versio

Introduced marine macroflora of Lebanon and its distribution on the Levantine coast

The marine macroflora introduced into Lebanon was studied through an analysis of historical data and field studies carried out since 1991. A total of 29 introduced species have been listed: 3 Chromobionta, 13 Rhodobionta, 12 Chlorobionta and 1 Streptobionta. Among them, Caulerpa taxifolia var. distichophylla, Spatoglossum variabile and Womersleyella setacea are recorded for the first time from Lebanon. Among them, Asparagopsis taxiformis, C. taxifolia var. distichophylla, Cladophora patentiramea, Codium arabicum, Codium parvulum, Galaxaura rugosa, Halophila stipulacea, Hypnea cornuta, Laurencia cf. chondrioides, Lophocladia lallemandii, Stypopodium schimperi, Ulva lactuca and Womersleyella setacea are potentially invasive species, and several of them already occupy extensive stretches of the Lebanese coast. The distribution of species on the Levantine coast, their dynamics and the current status of their populations are discussed.The surveys in 2012, 2013 and 2016 were conducted within the framework of the MedMPAnet Project, implemented by UNEP/MAP-RAC/SPA and funded by RAC/SPA, the European Commission (EC), the Spanish Agency for International Cooperation for Development (AECID), and the French Global Environment Facility (FFEM)

The social origins of cooking and dining in early villages of western Asia

This paper explores social customs of cooking and dining as farming emerged in the earliest villages of Palestine and Jordan (12,650–6850 cal BC). The approach is a spatial analysis of in situ hearths, pits, bins, benches, platforms, activity areas, caches, and ground stone artefacts. Mortars, pestles, and bowls first appear in significant numbers in base camps of semi-sedentary Natufian hunter-gatherers. Elaborate and decorated, these artefacts imply a newly formal social etiquette of food-sharing. They were used within houses, near hearths, and in outdoor areas. The earliest farmers of the Khiamian and Pre-Pottery Neolithic A used simple, mostly undecorated, ground stone tools. One-room houses were often fitted with a hearth and a small mortar in the centre, features that also occur in outdoor areas. In the Early and Middle Pre-Pottery Neolithic B, firepits, milling stations, and storage features were placed on porches and outdoor areas near house doors. These areas formed a transition zone between house and community, where food preparation provided opportunities for social contacts. The most private rooms in houses were supplied with benches, platforms, and decorated hearths, and probably sheltered household meals. In the Late PPNB, when some villages grew to unprecedented sizes, storage, and cooking facilities were placed in constricted, private spaces comparatively hidden from community view. Numerous milling tools and multiple milling stations in individual houses suggest intensification of production of prepared foods. It is argued that adult women bore the brunt of the increased labour and that these activities placed them under new restrictions of daily activity and visibility in relation to village communities.</jats:p

Were rivers flowing across the Sahara during the last interglacial? Implications for human migration through Africa.

Human migration north through Africa is contentious. This paper uses a novel palaeohydrological and hydraulic modelling approach to test the hypothesis that under wetter climates c.100,000 years ago major river systems ran north across the Sahara to the Mediterranean, creating viable migration routes. We confirm that three of these now buried palaeo river systems could have been active at the key time of human migration across the Sahara. Unexpectedly, it is the most western of these three rivers, the Irharhar river, that represents the most likely route for human migration. The Irharhar river flows directly south to north, uniquely linking the mountain areas experiencing monsoon climates at these times to temperate Mediterranean environments where food and resources would have been abundant. The findings have major implications for our understanding of how humans migrated north through Africa, for the first time providing a quantitative perspective on the probabilities that these routes were viable for human habitation at these times

Which way to turn? Is the Haua Fteah a Levantine site?

Recent work has shown early modern human occupation at Jebel Irhoud, Morocco dating as far back as MIS 9 (337 – 300 Ka). Such early dates double the period in which modern humans were present in North Africa with implications for several key debates on modern human origins and subsequent spread. Routes across a ‘green Sahara’ allowed population movement intermittently from Sub-Saharan Africa and across the Saharan region in general (Armitage et al.2007; Drake et al. 2008; Osborne et al. 2008). This has implications for the debate about the timing and routes of modern human expansion across and Out of Africa (James & Petraglia 2005; Mellars 2006) but also has the effect of focussing discussion on the archaeological record of sub-Saharan Africa and even Arabia for evidence of human behaviour and adaptations. This may be unfortunate as the record for much of the vast area of sub-Saharan Africa and Arabia is extremely limited and the more detailed record of the Levantine region is overlooked. Work at the Haua Fteah and in its surrounding region (Cyrenaican Libyan) provides an opportunity to investigate how far the Palaeolithic record for this part of North Africa is, in fact, a product of trans-Saharan, North African or Levantine, influences. The genetic evidence suggests the process of modern human expansion Out of Africa and just as importantly, within Africa itself, was a complex one that may have involved population movements into and out of North Africa from several different directions. A concentration upon the Green Sahara hypothesis may distract current research from this broader picture

Estimating population size, density and dynamics of Pre-Pottery Neolithic villages in the central and southern Levant: an analysis of Beidha, southern Jordan

The Pre-Pottery Neolithic (PPN) of the central and southern Levant played an integral role in the Neolithic Demographic Transition (NDT) from mobile hunter-gatherer to village-based, agro-pastoralist societies. An understanding of population dynamics is essential for reconstructing the trajectories of these early village societies. However, few investigations have produced absolute estimates of population parameters for these villages and those which have base estimates on a limited methodological framework. This research examines the methodological and theoretical basis for existing estimates, and explores a range of methodologies in order to derive more empirically-robust demographic data. Results reveal that commonly utilized methodologies and population density coefficients employed for estimating PPN village populations require re-evaluation. This article presents the application of methodologies to the PPNB site of Beidha in southern Jordan

Quaternary time scales for the Pontocaspian domain: interbasinal connectivity and faunal evolution

The Pontocaspian (Black Sea - Caspian Sea) region has a very dynamic history of basin development and biotic evolution. The region is the remnant of a once vast Paratethys Sea. It contains some of the best Eurasian geological records of tectonic, climatic and paleoenvironmental change. The Pliocene-Quaternary co-evolution of the Black Sea-Caspian Sea is dominated by major changes in water (lake and sea) levels resulting in a pulsating system of connected and isolated basins. Understanding the history of the region, including the drivers of lake level and faunal evolution, is hampered by indistinct stratigraphic nomenclature and contradicting time constraints for regional sedimentary successions. In this paper we review and update the late Pliocene to Quaternary stratigraphic framework of the Pontocaspian domain, focusing on the Black Sea Basin, Caspian Basin, Marmara Sea and the terrestrial environments surrounding these large, mostly endorheic lake-sea systems