The Holocene

 

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The Holocene, Vol. 17, No. 5, 665-672 (2007)
DOI: 10.1177/0959683607078997

Late-Holocene palaeoclimatic change at the Dongnimdong archaeological site, Gwangju, SW Korea

Hyoun Soo Lim

Korea Polar Research Institute, KORDI, Incheon 406-840, Korea, tracker{at}kopri.re.kr

Chull-Hwan Chung

Faculty of Earth Systems and Environmental Sciences, Chonnam National University, Gwangju 500-757, Korea

Cheong-Bin Kim

Department of Science Education, Sunchon National University, Chonnam 540-742, Korea

Yong Il Lee

School of Earth and Environmental Sciences, Seoul National University, Seoul 151-747, Korea

Heon Jong Lee

Division of History and Culture, Mokpo National University, Chonnam 534-729, Korea

Young Chul Lee

Honam Cultural Property Research Center, Gwangju 506-498, Korea

A late-Holocene swamp sediment record is presented from the Dongnimdong archaeological site in SW Korea. Pollen analysis, geochemical analyses and radiocarbon dating have been used to reconstruct the vegetation and climatic changes. According to the pollen records, temperate deciduous broadleaved trees combined with herbs predominated in the study area ecology. Reduction of deciduous broadleaved trees with the spread of herbaceous taxa found in the middle part (c. 3300—2600 yr BP) indicates climatic change toward cooler and drier conditions. Significant increase in sand content and concomitant decrease in TOC content may suggest the occurrence of a period of drought. Vegetation changes recorded in the pollen sequence indicate the destruction of lowland deciduous forests and an accompanied expansion of grasses resulting from the climate changes. However, the increase of cultivation-accompanied herbs and excavated wooden tools for agriculture suggest the significant anthropogenic influence on the vegetation changes.

Key Words: Holocene • swamp • pollen analysis • palaeoclimate • human impact • geoarchaeology • Korea


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