Distinction of human activities from natural processes——With reference to Lijin Profile, Shandong, China

WANG Yong-ji; LIU Dong-shen; LIU Le-jun; GU Dong-qi

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Article Navigation > Haiyang Xuebao > 2004 > 26(5): 106-115

WANG Yong-ji, LIU Dong-shen, LIU Le-jun, GU Dong-qi. Distinction of human activities from natural processes——With reference to Lijin Profile, Shandong, China[J]. Haiyang Xuebao, 2004, 26(5): 106-115.

Citation:

WANG Yong-ji, LIU Dong-shen, LIU Le-jun, GU Dong-qi. Distinction of human activities from natural processes——With reference to Lijin Profile, Shandong, China[J]. Haiyang Xuebao, 2004, 26(5): 106-115.

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Distinction of human activities from natural processes——With reference to Lijin Profile, Shandong, China

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
College of Marine Geosciences, Ocean University of China, Qingdao 266003, China
3.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Institute of Oceanography, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 2004-02-27
Rev Recd Date: 2004-05-17

Abstract

Abstract

On the basis of the results of analyses of charcoal debris,spores and pollen,and chronologic datings in a natural profile,the climatic changes during the last 2 500 a are reconstructed.According to comparison of the results of analysis with the detailed historical records,the abnormal peak values of charcoal content in the profile are related to the population booms and fire hazards in time sequence in the history.The changes of some species of spores and pollen might have been the results of human cultivation.The result indicates that the influence of human activities can be distinguished from natural evolution processes by improving the resolution of analysis,which is significant to the improvement of environment and the restoration of ecosystem.
- charcoal and sporo-pollen analysis,
- historical record,
- climatic change,
- human activities

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References(22)

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