نتایج جستجو برای: prehistoric period
تعداد نتایج: 493220 فیلتر نتایج به سال:
khole-kū is located in the south of takestan and on the border of qazvin plain. this site was sounding during an archaeological project in the spring of 2011. the pottery materials found by this excavation indicated for the site to have been succesivly occupied from prehistory to islamic periods. in this article we performed a classification framework based on the typological characteristics of...
In recent years, a debate about the degree to which prehistoric fishing practices may, or may not, have adversely impacted local fish communities has re-emerged in the Caribbean archaeological and fisheries literature. Through carbon and nitrogen stable isotope analyses of radiocarbon dated human skeletal remains from southeastern Puerto Rico, the present work identifies a significant (one to t...
This paper deals with the study of Holocene geomorphic evolution of rivers around Songshan Mountain in relation to human frequentation in Prehistoric periods. The investigations were performed by means of an integration of GIS data processing; field surveys and particle size analysis. In 8000–3000 aBP; in the Songshan Mountain Region, large-scale river sedimentation occurred. This increased the...
the abharroud basin is an important region in the archeological studies of northwestern outskirts of the central plateau, and west and northwest of iran. considering its environmental capabilities and geographical location, studying the region can leads us to a better understanding of regional relations and also inter-regional interaction between the mentioned cultural-geographical regions. how...
Human modification of natural landscapes has influenced surface processes in many settings on Earth. Quantitative data comparing the distribution and behavior of geologic phenomena before and after human arrival are sparse but urgently required to evaluate possible anthropogenic influences on geologic hazards. We conduct field and imagery-based mapping, statistical analysis, and numerical model...
BACKGROUND The negative health effects of polycyclic aromatic hydrocarbons (PAHs) are well established for modern human populations but have so far not been studied in prehistoric contexts. PAHs are the main component of fossil bitumen, a naturally occurring material used by past societies such as the Chumash Indians in California as an adhesive, as a waterproofing agent, and for medicinal purp...
Human settlement of Polynesia was a major event in world prehistory. Despite the vastness of the distances covered, research suggests that prehistoric Polynesian populations maintained spheres of continuing interaction for at least some period of time in some regions. A low level of genetic variation in ancestral Polynesian populations, genetic admixture (both prehistoric and post-European cont...
The study of prehistoric demography draws inevitably on evidence both imperfect and incomplete, yet is essential for a satisfactory understanding of past communities. It is particularly valuable in addressing controversial questions such as the nature of early farming communities in western Europe, in the period between the adoption of domestic plants and animals and the establishment, centurie...
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