The Actuality And Conservation Technique Study Of Ancient And Famous Trees And Its Subsequent Resource In Shanghai District

Ancient and famous trees and its subsequent resource are valuable wealth left by nature, they have important historical value and commemorative significance. They are a kind of rare non-regenerative resource, it testifies the developing process of its local city, engraved by time brand, they are often named "Green Antique" and "Live Cultural relic", they not only have zoological benefit, social benefit and economic benefit, but also have ornamental benefit.As an international city like Shanghai, its economy develops very fast, but its history is too short, so its amount of ancient and famous trees and its subsequent resource is very limit. This phenomenon arouse lots of attention, from civilian to officer, from media to legislative and from protective organization to villages and towns. The 41st conference of the 11th standing committee pass the law of , it had been practiced from Oct 1st, 2002. According to the regulation of < protective statute>, Shanghai Virescence Management Office is the directive administration to protect ancient and famous trees and its subsequent resource. Virescence department of each county takes charge of its own protective assignment, they are in the guidance of Virescence Management Office.This item is under the supervision of Professor Zhangfang in Zhejiang University and other experts of ancient and famous tree protection office, through the investigation of actuality, take effective measure to protect these ancient resource, especially analyzing and solving problems with those register trees in Nanhui County. To build a healthy and harmonious environment for these old trees, to make them live a longer life.Major investigation achievements in this item:1. summarize the main conservation technique: (1) fertilization; (2) antisepsis and cavity repairment; (3) salvage and rejuvenation; (4) drainage; (5) setup of protection establishment; (6)controlment of deleterious life-form; (7)shearing; (8) prevention of natural disaster. 2. establish a set of demonstration projection.3. compatible protection methods for Nanhui District.4. the experience of ancient trees construction period in Nanhui District.5. difficulty and countermeasure to solve problems.These above achievements have prodigious extending value, at the same time, they have important theoretic and practical meaning for ancient famous trees and its subsequent resource protection project.