良渚北城墙考古土遗址表面藻类的分析研究

发布时间：2018-07-17 19:12

【摘要】：为了探明造成潮湿环境土遗址生物污损的主要藻类类群,给后期生物退化机理的研究和防治体系的构建提供可靠依据,本研究采用现代分子生物学技术,对杭州良渚北城墙考古土遗址表面的藻类进行了检测和分析。结果表明,引起土遗址生物污损的病害藻类共3门5属,主要为蓝藻门念珠藻属类群,硅藻门菱形藻属与褐指藻属类群次之,蓝藻门壳藻属与绿藻门的未鉴定属最少。另外,苔藓植物门藓纲与薄囊藓属相近的类群在部分样品中占绝对优势。光合藻类与苔藓类群组成的不同主要受各采样位点的空间位置和土体含水量的差异所影响。降低考古土遗址附存环境中的光照和渗水可以有效地控制有害光合生物体的滋生蔓延和侵蚀。
[Abstract]:In order to find out the main algae groups that cause the biodegradation of the soil sites in humid environment, and to provide reliable basis for the study of the mechanism of biological degradation and the construction of control system in the later period, modern molecular biological techniques are used in this study. The algae on the surface of the archaeological earth site of the north wall of Liangzhu, Hangzhou were detected and analyzed. The results showed that there were 3 phylum and 5 genera of algae causing biodegradation in the soil site, mainly belonging to the genus Cyanophyta, followed by diamondophyta and Phaeophyta, and the least identified genera were Chitophyta and Chlorophyta. In addition, the bryophyte phylum and the similar species of Moss are dominant in some samples. The composition of photosynthetic algae and mosses was mainly affected by the spatial position of sampling sites and the water content of soil. Reducing the illumination and water seepage in the environment of archaeological sites can effectively control the propagation and erosion of harmful photosynthetic organisms.
【作者单位】：敦煌研究院保护研究所;国家古代壁画与土遗址保护工程技术研究中心;古代壁画保护国家文物局重点科研基地;甘肃省古代壁画与土遗址保护重点实验室;兰州大学生命科学学院;
【基金】：国家科技支撑计划项目(2010BAK67B09,2013BAC07B02) 国家文物局文物保护科学与技术研究重点课题(20110208) 国家自然科学基金项目(31260136,31070344)
【分类号】：K878.3

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