scholarly journals Evidence of ancient DNA reveals the first European lineage in Iron Age Central China

2007 ◽  
Vol 274 (1618) ◽  
pp. 1597-1602 ◽  
Author(s):  
C.Z Xie ◽  
C.X Li ◽  
Y.Q Cui ◽  
Q.C Zhang ◽  
Y.Q Fu ◽  
...  
Keyword(s):  
Mitochondrial Dna ◽  
East Asia ◽  
Central Asia ◽  
Iron Age ◽  
Ancient Dna ◽  
Human Remains ◽  
Central China ◽  
Population Movement ◽  
Ancient China

Various studies on ancient DNA have attempted to reconstruct population movement in Asia, with much interest focused on determining the arrival of European lineages in ancient East Asia. Here, we discuss our analysis of the mitochondrial DNA of human remains excavated from the Yu Hong tomb in Taiyuan, China, dated 1400 years ago. The burial style of this tomb is characteristic of Central Asia at that time. Our analysis shows that Yu Hong belonged to the haplogroup U5, one of the oldest western Eurasian-specific haplogroups, while his wife can be classified as haplogroup G, the type prevalent in East Asia. Our findings show that this man with European lineage arrived in Taiyuan approximately 1400 years ago, and most probably married a local woman. Haplogroup U5 was the first west Eurasian-specific lineage to be found in the central part of ancient China, and Taiyuan may be the easternmost location of the discovered remains of European lineage in ancient China.

scholarly journals Ancient DNA from a 2,700-year-old goitered gazelle (Gazella subgutturosa) confirms gazelle hunting in Iron Age Central Asia

2021 ◽  
Author(s):  
André Elias Rodrigues Soares ◽  
Nikolaus Boroffka ◽  
Oskar Schröder ◽  
Leonid Sverchkov ◽  
Norbert Benecke ◽  
...  
Keyword(s):  
Central Asia ◽  
Iron Age ◽  
Ancient Dna ◽  
Dna Sequences ◽  
Nuclear Dna ◽  
Sequence Data ◽  
Genetic Identification ◽  
Important Region ◽  
Depth Analysis ◽  
Gazella Subgutturosa

Central Asia has been an important region connecting the different parts of Eurasia throughout history and prehistory, with large states developing in this region during the Iron Age. Archaeogenomics is a powerful addition to the zooarchaeological toolkit for understanding the relation of these societies to animals. Here, we present the genetic identification of a goitered gazelle specimen (Gazella subgutturosa) at the site Gazimulla-Tepa, in modern-day Uzbekistan, confirming hunting of the species in the region during the Iron Age. The sample was directly radiocarbon dated to 2724-2439 calBP. A phylogenetic analysis of the mitochondrial genome places the individual into the modern variation of G. subgutturosa. Our data does represent both the first ancient DNA and the first nuclear DNA sequences of this species. The lack of genomic resources available for this gazelle and related species prevented us from performing a more in-depth analysis of the nuclear sequences generated. Therefore, we are making our sequence data available to the research community to facilitate other research of this nowadays threatened species which has been subject to human hunting for several millennia across its entire range on the Asian continent.

scholarly journals Human mitochondrial DNA lineages in Iron-Age Fennoscandia suggest incipient admixture and eastern introduction of farming-related maternal ancestry

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Sanni Översti ◽  
Kerttu Majander ◽  
Elina Salmela ◽  
Kati Salo ◽  
Laura Arppe ◽  
...  
Keyword(s):  
Iron Age ◽  
High Mobility ◽  
Human Remains ◽  
Population History ◽  
Hunter Gatherers ◽  
East Europe ◽  
North East ◽  
Mtdna Diversity ◽  
The Baltic ◽  
Genetic Shift

AbstractHuman ancient DNA studies have revealed high mobility in Europe’s past, and have helped to decode the human history on the Eurasian continent. Northeastern Europe, especially north of the Baltic Sea, however, remains less well understood largely due to the lack of preserved human remains. Finland, with a divergent population history from most of Europe, offers a unique perspective to hunter-gatherer way of life, but thus far genetic information on prehistoric human groups in Finland is nearly absent. Here we report 103 complete ancient mitochondrial genomes from human remains dated to AD 300–1800, and explore mtDNA diversity associated with hunter-gatherers and Neolithic farmers. The results indicate largely unadmixed mtDNA pools of differing ancestries from Iron-Age on, suggesting a rather late genetic shift from hunter-gatherers towards farmers in North-East Europe. Furthermore, the data suggest eastern introduction of farmer-related haplogroups into Finland, contradicting contemporary genetic patterns in Finns.

A genetic study of 2,000-year-old human remains from Japan using mitochondrial DNA sequences

1995 ◽  
Vol 98 (2) ◽  
pp. 133-145 ◽  
Author(s):  
Hiroki Oota ◽  
Naruya Saitou ◽  
Takayuki Matsushita ◽  
Shintaroh Ueda
Keyword(s):  
Mitochondrial Dna ◽  
Dna Sequences ◽  
Genetic Study ◽  
Human Remains

Observed and Projected Frontal Activities in East Asia

2021 ◽  
pp. 1-46
Author(s):  
Chia-Chi Wang ◽  
Huang-Hsiung Hsu ◽  
Ying-Ting Chen
Keyword(s):  
East Asia ◽  
Climate Model ◽  
Southern China ◽  
Model Performance ◽  
Moisture Flux ◽  
Central China ◽  
Cmip5 Models ◽  
The South ◽  
Front Detection ◽  
Local Moisture

AbstractAn objective front detection method is applied to ERA5, CMIP5 historical, and RCP8.5 simulations to evaluate climate model performance in simulating front frequency and understand future projections of seasonal front activities. The study area is East Asia for two natural seasons, defined as winter (December 2nd –February 14th) and spring (February 15th –May 15th), in accordance with regional circulation and precipitation patterns. Seasonal means of atmospheric circulation and thermal structures are analyzed to understand possible factors responsible for future front changes.The front location and frequency in CMIP5 historical simulations are captured reasonably. Frontal precipitation accounts for more than 30% of total precipitation over subtropical regions. Projections suggest that winter fronts will decrease over East Asia, especially over southern China. Frontal precipitation is projected to decrease for 10-30%. Front frequency increases in the South China Sea and tropical western Pacific because of more tropical moisture supply, which enhances local moisture contrasts. During spring, southern China and Taiwan will experience fewer fronts and less frontal precipitation while central China, Korea, and Japan may experience more fronts and more frontal precipitation due to moisture flux from the south that enhances 𝜽𝒘 gradients.Consensus among CMIP5 models in front frequency tendency is evaluated. The models exhibit relatively high consensus in the decreasing trend over polar and subtropical frontal zone in winter and over southern China and Taiwan in spring that may prolong the dry season. Spring front activities are crucial for water resource and risk management in the southern China and Taiwan.

scholarly journals Molecular variability in Amerindians: widespread but uneven information

2002 ◽  
Vol 74 (2) ◽  
pp. 223-263 ◽  
Author(s):  
FRANCISCO M. SALZANO
Keyword(s):  
Mitochondrial Dna ◽  
Ancient Dna ◽  
Genetic Heterogeneity ◽  
Applied Research ◽  
South American ◽  
Chromosome Variation ◽  
North Central ◽  
Molecular Variability ◽  
Present Trend ◽  
Made In

A review was made in relation to the molecular variability present in North, Central, and South American Indian populations. It involved results from ancient DNA, mitochondrial DNA in extant populations, HLA and other autosomal markers, X and Y chromosome variation, as well as data from parasitic viruses which could show coevolutionary changes. The questions considered were their origin, ways in which the early colonization of the continent took place, types and levels of the variability which developed, peculiarities of the Amerindian evolutionary processes, and eventual genetic heterogeneity which evolved in different geographical areas. Although much information is already available, it is highly heterogeneous in relation to populations and types of genetic systems investigated. Unfortunately, the present trend of favoring essentially applied research suggest that the situation will not basically improve in the future.

scholarly journals Impacts of atmospheric transport and biomass burning on the inter-annual variation in black carbon aerosols over the Tibetan Plateau

2020 ◽  
Vol 20 (21) ◽  
pp. 13591-13610
Author(s):  
Han Han ◽  
Yue Wu ◽  
Jane Liu ◽  
Tianliang Zhao ◽  
Bingliang Zhuang ◽  
...  
Keyword(s):  
East Asia ◽  
South Asia ◽  
Biomass Burning ◽  
Annual Variation ◽  
Atmospheric Transport ◽  
Asian Summer Monsoon ◽  
Central China ◽  
The Tibetan Plateau ◽  
Source Regions ◽  
Non Local

Abstract. Atmospheric black carbon (BC) in the Tibetan Plateau (TP) can largely impact regional and global climate. Still, studies on the inter-annual variation in atmospheric BC over the TP and associated variation in BC sources and controlling factors are rather limited. In this study, we characterize the variations in atmospheric BC over the TP surface layer through analysis of 20-year (1995–2014) simulations from a global chemical transport model, GEOS-Chem. The results show that surface BC concentrations over the TP vary largely in space and by season, reflecting complicated interplays of BC sources from different origins. Of all areas in the TP, surface BC concentrations are highest over the eastern and southern TP, where surface BC is susceptible to BC transport from East Asia and South Asia, respectively. Applying a backward-trajectory method that combines BC concentrations from GEOS-Chem and trajectories from the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model, we assess the contributions of worldwide source regions to surface BC in the TP. We estimate that on the 20-year average, 77 % of surface BC in the TP comes from South Asia (43 %) and East Asia (35 %). Regarding seasonal variation in non-local influences, South Asia and East Asia are dominant source regions in winter and summer, respectively, in terms of the amount of BC imported. However, in terms of affected areas in the TP, South Asia is the dominant contributor throughout the year. Inter-annually, surface BC over the TP is largely modulated by atmospheric transport of BC from non-local regions year-round and by biomass burning in South Asia, mostly in spring. We find that the extremely strong biomass burning in South Asia in the spring of 1999 greatly enhanced surface BC concentrations in the TP (31 % relative to the climatology). We find that the strength of the Asian monsoon correlates significantly with the inter-annual variation in the amount of BC transported to the TP from non-local regions. In summer, a stronger East Asian summer monsoon and a stronger South Asian summer monsoon tend to, respectively, lead to more BC transport from central China and north-eastern South Asia to the TP. In winter, BC transport from central China is enhanced in years with a strong East Asian winter monsoon or a strong Siberian High. A stronger Siberian High can also bring more BC from northern South Asia to the TP. This study underscores the impacts of atmospheric transport and biomass burning on the inter-annual variation in surface BC over the TP. It reveals a close connection between the Asian monsoon and atmospheric transport of BC from non-local regions to the TP.

English in Asia, Asian Englishes, and the issue of proficiency

English Today ◽  
2008 ◽  
Vol 24 (2) ◽  
pp. 3-12 ◽  
Author(s):  
Kingsley Bolton
Keyword(s):  
Middle East ◽  
Southeast Asia ◽  
East Asia ◽  
South Asia ◽  
Central Asia ◽  
English Learning ◽  
Outer Circle ◽  
Asian Region ◽  
The World ◽  
Basic Issue

ABSTRACTThe contemporary visibility and importance of English throughout the Asian region coupled with the emergence and development of distinct varieties of Asian Englishes have played an important part in the global story of English in recent years. Across Asia, the numbers of people having at least a functional command of the language have grown exponentially over the last four decades, and current changes in the sociolinguistic realities of the region are often so rapid that it is difficult for academic commentators to keep pace. One basic issue in the telling of this story is the question of what it is we mean by the term ‘Asia’, itself a word of contested etymology, whose geographical reference has ranged in application from the Middle East to Central Asia, and from the Indian sub-continent to Japan and Korea. In this article, my discussion will focus on the countries of South Asia, Southeast Asia, and East Asia, as it is in these regions that we find not only the greatest concentration of ‘outer-circle’ English-using societies but also a number of the most populous English-learning and English-knowing nations in the world.

Sign in / Sign up

Export Citation Format

Share Document