Status Investigation And Protection Research Of Ancient And Famous Trees Resources In Shanghai

Although ancient and famous trees are from nature,they are also valuable treasure given by nature to human beings.They are integration of multiple values,including ecology,culture,landscape,history,scientific research,economy and so on.In urban construction featuring promoting construction of ecological civilization and raising people’s ecological awareness,it has become an important part of the construction of urban ecology,and typical representatives of civic humanism.As non-renewable resources,protection of ancient and famous trees has important significance for urban sustainable development.Because of Shanghai’s large population and shortage of land resources,the green land is extremely limited.Therefore,the protection and utilization of ancient and famous trees are of vital importance to urban sustainable development.Shanghai enjoys high degree of urbanization;problems relating to protection of ancient and famous trees will be arisen in the urbanization development of Chinese inland provinces and municipalities in the near future.Consequently,the study on protection of ancient and famous trees in Shanghai will has important reference meaning to other cities.This paper takes the protection of ancient and famous trees as a research object,trying to dig and organize some practical protection strategies of ancient and famous trees.In the development of urban ecology,with the promotion on the establishment of protection theoretical System of ancient and famous trees and its protection technologies,the paper aims to provide reliable basis to the protection practice of ancient and famous trees in Shanghai and all over the country.The paper includes the following parts.The first part elaborates conceptions related to ancient and famous trees and research value of its protection;discusses its current research background and significance,explains research trend on ancient and famous trees home and abroad.The second part statistically processes quantity,type,regional distribution,age structure of ancient and famous trees in Shanghai;analyses situation of its growth and understand management status and current problems.Based on current characteristics of ancient and famous trees in Shanghai,the Third part puts forward the conservation strategy of ancient and famous trees based on the principle of utilization;according to reasons of tree decay,the paper makes a deep discussion on the protection technologies.The forth part introduces three typical cases of the protection of ancient and famous trees in Shanghai.