维普中文期刊产品整合服务

Detecting anthropogenic impact on forest succession from the perspective of wood exploitation on the northeast Tibetan Plateau during the late prehistoric period

查看全文 作　　者：Fengwen [1,2]LIU;Shanjia [2]ZHANG;Hucai [1]ZHANG;Guanghui [2]DONG 高影响力作者 机构地区：[1]Institute for Ecological Research and Pollution Control of Plateau Lakes,School of Ecology and Environment Science,Yunnan University,Kunming 650504,China;[2]Ministry of Education Key Laboratory of Western China's Environmental System,College of Earth&Environmental Sciences,Lanzhou University,Lanzhou 730000,China高影响力机构 出　　处：《Science China Earth Sciences》索引2022年第65卷第11期,共15页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(Grant Nos.41825001,41820104008);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(Grant No.2019QZKK0601)。 摘　　要：Human activities are usually considered to have had impacts on forest degradation and/or changes of forest composition in the past.The Tibetan Plateau,an environmentally sensitive area,has witnessed a high intensity of human activities since the late Neolithic,but the evidence is still incomplete concerning how human activities affected the environment,especially vegetation changes.This may result,in part,from the fact that research on prehistoric wood utilization by humans in the northeast Tibetan Plateau(NETP)is scarce,especially from the perspective of charcoal analysis,which is an archaeological index directly related to human activities.To fill this gap,we report new data here concerning charcoal analysis from 24 archaeological sites dated 5200–2300 a BP in the NETP,where this period saw remarkable environmental and social changes.By coupling the results with published paleoenvironment records(especially pollen),we aim to explore the utilization of wood and its spatial-temporal changes,as well as the anthropogenic impacts on past forest dynamics in the NETP.The results suggest that the wood resources collected by humans were mainly needleleaf trees(Picea L.and Pinus L.),broadleaved trees(Populus L.,Salix L.,and Betula)as well as shrubs(Hippophae L.and Tamarix L.),and that these were distributed around the human habitation areas.There was a clear spatial difference in the woody assemblage collected by humans in the period 3600–2300 a BP.This was likely related to the diversity of natural environments in local areas,but there was an abnormal spatial pattern of forest composition with broadleaved trees dominant above 2500 masl caused not by climate change,but by the rapid increase of human settlement and wood collection in high altitude areas of the NETP since 3600 a BP. 关 键 词：Charcoal records Late prehistoric period Northeast Tibetan Plateau Climate change Anthropogenic impacts
相关文献

参考文献(103)

引证文献(4)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费