Macroalgal holdfasts and their interaction with environments from the Neoproterozoic Doushantuo Formation in Guizhou,South China  

作　　者：Yue WANG Xunlian WANG 

机构地区：[1]School of Earth Sciences and Resources,China University Geosciences,Beijing 100083,China [2]School of Resources and Environments,Guizhou University,Guiyang 550003,China

出　　处：《Frontiers in Biology》2008年第1期113-122,共10页生物学前沿（英文版）

基　　金：We would like to thank Zhao Y L,Yu M Y,Peng J,He M H and Huang L H for assistance in the field work.This study was supported by the Science and Technology Foundation of Guizhou Province(No.J-2006-09);the SinoPec project(No.G0800-08-ZS-319);the Project Building Foundation of Guizhou University.

摘　　要：Numerous macro-organisms of the Doushantuo macrobiota,which were found in the black carbonaceous mudstone of the upper Neoproterozoic Ediacraan Doushan-tuo Formation in Jiangkou County,Guizhou Province,China,are considered to live on sea floor by their holdfasts.The appearance and preserved forms of the macroalgal holdfasts may provide some data to the study of the living and buried environments of macrobiota.They lived in the lower energy and clear environment,and fixed on a soupground with rich water(about 79%water).Currents,possibly ocean currents,could pull out the macroalgal holdfasts from the soupground and break off the macroalgal foliations.After such events,the corpses of macro-organisms would be covered in a reduced environment by the deposits.Afterwards,a new community,including regenerating and undying macro-organisms,lived continuously on a new deposit.

关 键 词：HOLDFAST MACROALGAE Doushantuo Formation Neoproterozoic Ediacaran Jiangkou GUIZHOU China 

分 类 号：X70[环境科学与工程—环境工程]