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Found 211 datasets

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Changes of land-use strategies associated with the arrival of Neolithic settlers in NW-Morocco (Poster) Spatial

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GIS-based catchment analysis for prehistoric sites (Poster) Spatial

One of the main objectives of the Collaborative Research Centre 806 (CRC 806) is to capture the complex nature of chronology, regional structure, climatic, environmental and socio-cultural contexts in Europe during the last 190.000 years, by interdisciplinary research. This poster presents the first results of a collaboration between projects C1 and Z2 of the CRC 806 that aims to use SCA for sites from the Solutrean and Magdalenian on the Iberian Peninsula. Contribution to the overall research of the CRC...
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Prospection of karstic caves using GIS and remote-sensing techniques for Geoarchaeological research, NE-Morocco Spatial

Caves and rock shelters are important archives for archaeological research. Prehistoric men not only sheltered in caves but also set up camps in open-air locations. Over the last 15 years a joint research group, comprising INSAP (Institut National des Sciences de l’Archéologie et du Patrimoine du Maroc), KAAK (Kommission für Archäologie Außereuropäischer Kulturen, German Archaeology Institute) and the University of Cologne, has been carrying out surveys and excavations in the area of the Eastern Rif...
Keywords: LRQ5
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Abiotic raw material supply in the Neolithic of the Eastern Rif, Morocco. A preliminary report Spatial

Since 1995 archaeological research has been undertaken in the Eastern Rif (Morocco) by a Moroccan-German research team with participation of the “Institut National des Sciences de l’Archéologie et du Patrimoine du Maroc” (INSAP), the “Kommission für die Archäologie Außereuropäischer Kulturen des Deutschen Archäologischen Instituts” (KAAK), and the Institute of Prehistoric Archaeology of the University of Cologne. In the course of these studies, several hundred sites have been discovered and a number of...
Keywords: LRQ17
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Neolithisation process within the Alboran territory: Models and possible African impact doi Spatial

The Neolithisation of the southern Iberian Peninsula and the Mediterranean Maghreb, here termed “Alboran territory”, must be considered as the same integrative process. By the mid-8th millennium calBP, both sides of the Western Mediterranean were inhabited by hunter-gatherer groups which probably maintained intercontinental contacts. However, from around 7.6 ka calBP, Neolithic groups from the Eastern Mediterranean arrived in the region along the littoral of what is today Andalusia. Neolithic innovations...
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Gradual aridification of the Sahara during the last 11,000 years revealed by plant wax δD analyses of Lake Yoa (Chad) Spatial

It is still an ongoing debate whether the transition of the last ‘green Sahara’ period to today’s large desert during the Holocene, the African Humid Period (AHP), was a progressive or an abrupt change in hydrological conditions. Several climate records mainly from East Africa suggest a rapid decline of moisture availability at the end of the AHP including new data from a marine sequence off the Horn of Africa (Tierney & deMenocal, 2013). Other archives including sedimentological,...
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Boni Island - Holozäne Landschaftsdynamik und Mensch-Umwelt-Beziehung am Vierten Nil-Katarakt (Nord-Sudan) Spatial

Der Vierte Nil-Katarakt im Nord-Sudan ist im Jahr 2008 im Hamdab-Stausee untergegangen. Geowissenschaftlich und archäologisch bislang kaum erforscht, stellte er eine einzigartige landschaftliche Versuchsanordnung dar. Am Beispiel der Insel Boni, die für die vorliegende Studie vor der Flutung im Rahmen des Sonderforschungsbereichs 389 untersucht wurde, wird gezeigt, dass die tektonisch angelegte Kleinkammerung des Reliefs und die nachfolgende, periodisch und saisonal stark wechselnde fluviale und äolische...
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Varved sediments of Lake Yoa (Ounianga Kebir, Chad) reveal progressive drying of the Sahara during the last 6100 years doi Spatial

The sedimentological and geochemical properties of a 7.47 m long laminated sequence from hypersaline Lake Yoa in northern Chad have been investigated, representing a unique, continuous 6100 year long continental record of climate and environmental change in the eastern Central Sahara. These data were used to reconstruct the Mid to Late Holocene history of this currently hyper-arid region, in order to address the question of whether the Mid Holocene environmental transition from a humid to a dry Sahara was...
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Modern and early Holocene mollusc fauna of the Ounianga lakes (northern Chad): implications for the palaeohydrology of the central Sahara doi Spatial

The fresh and saline lakes of Ounianga Kebir and Serir in northeastern Chad are among the very few permanent aquatic ecosystems currently existing in the hyper-arid core of the Sahara desert. The confirmed modern fauna of aquatic molluscs at Ounianga comprises three widespread species (Melanoides tuberculata, Biomphalaria pfeifferi and Lymnaea natalensis), of which only the first appears to maintain a thriving population. We recovered seven more species of gastropods, among which one is new to science...
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Climate-Driven Ecosystem Succession in the Sahara: The Past 6000 Years doi Spatial

Desiccation of the Sahara since the middle Holocene has eradicated all but a few natural archives recording its transition from a “green Sahara” to the present hyperarid desert. Our continuous 6000-year paleoenvironmental reconstruction from northern Chad shows progressive drying of the regional terrestrial ecosystem in response to weakening insolation forcing of the African monsoon and abrupt hydrological change in the local aquatic ecosystem controlled by site-specific thresholds. Strong reductions...
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The Epipalaeolithic–Neolithic transition in the Eastern Rif Mountains and the Lower Moulouya valley, Morocco Spatial

The Neolithic transition, since decades in a particular focus of the Western Mediterranean archaeological research, recently receives new input concerning the chronological frame (Carvalho 2010), the development of regional groups (Manen et al. 2010) or raw material supply (Binder et al. 2010). One of the most interesting topics about this is the variability of the archaeological record in the Southern Iberian Peninsula. This seems to be closely linked to the complexity of the environment and the...
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Looking around Peştera Cu Oase: The beginnings of Upper Paleolithic in Romania Spatial

In contrast to the widely acknowledged anthropological finds in Oase Cave and to the key geographical position of Romanian territory for the assumed dispersion of Anatomically Modern Humans in Europe, the archaeological information regarding the emergence of the Upper Paleolithic in Romania remains poorly known to a broader scientific community. The prolonged theoretical and methodological isolation of the Romanian Paleolithic research has particularly contributed to keeping the regional archaeology out...
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