| This research base on historical material research and current plants investigation.By studying the authenticity of the plant landscape of the Jiu Zhou Scenic spot in Yuan-Ming Yuan,it provides relevant suggestions for heritage protection and plant display.This paper study 6 types of related documents and drawing materials of Yuan-Ming Yuan,summarize the main plant species,plant landscape artistic conception,plant configuration mode during its prosperous historical period and a table of about 161 species or varieties of Yuan-Ming Yuan historical plants were compiled the main historical tree species were summarized.Controversial and vaguely planted plants in the "Flower and Fruit Tree Value List" such as Chisong,Mayinhua,Qiansong,Baishu,Baisong,Binzi,Luohansong,Fomeihua,Hongbaidingxiang,Baiyingtao and Wanshoudai have been examined and confirmed in detail.In terms of imperial poems,compared with previous studies,this paper newly discovered about 21 plant species and counted the occurrence frequency,planting position,plants combination and so on.In terms of image data,this article corrects the predecessors' analysis of the color difference in the copied version of "Forty Scenes of YuanMing Yuan".Based on its original electronic version,this article identified 55 species of plants.In this article,for the first time,identify the 43 plant species in the "Yongzheng Touring Picture in twelve months " and "Qing Dynasty Palace Painting in twelve months",which are confirmed by many scholars likely to represent the life scene of the Qing Emperor in Yuan-Ming Yuan.Conduct a systematic investigation of the current plants in Yuan-Ming Yuan and Carry out species surveys,sample surveys and special surveys of plants in Jiu Zhou spot.A total of 743 species and varieties were surveyed in the current plant survey in the garden,which is more than 500 kinds more than the average survey in previous years.Among them,the investigation of bryophytes,ferns and submerged plants is not available in similar investigations and the survey of wild plants is also More detailed.A total of 150 species and varieties of plants have been counted in Jiu Zhou spot.This paper analyzes the dominant species in scenic spots based on the survey of sample plots and statistics of the relative importance of plants.Considering the heritage safety and heritage protection,the dead trees and the trees that threaten the heritage are counted and analyzed accordingly.Comparing the present plants in the whole garden,especially in the Jiuzhou scenic spot with the historical prosperous period plants landscape,the authenticity of the woody plant species in the Jiuzhou scenic spot is 13%-27%.In terms of dominant species of trees,most secondary scenic spots have a certain degree of authenticity,but some tree species should not appear as dominant species,sucu as Robinia pseudoacacia,Populus tomentosa,Fraxinus chinensis and Prunus cerasifera 'Pissardii'.Based on the comprehensive analysis,from the perspective of the authenticity of the plant landscape,it provides control suggestions for the plant landscape of the Yuan-Ming Yuan and specific suggestions for the Jiu Zhou Scenic spot plants landscape including how to display the historical plant landscape and process suggestions on dead trees and trees which threatened heritage both above ground and underground. |
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