莱芜市古树名木评价及分级保护研究

Evaluation and Classification for Protection of Old and Famous Trees in Laiwu City

采用实地调查方法,全面调查了山东省莱芜市辖区内的古树名木。莱芜市共有古树名木单株116株,主要树种为国槐62株、侧柏25株、银杏9株;古树群6处共1 0264株,其中古板栗群2处8 200株、柿树群2处2 036株、梨树群1处12株、侧柏群1处16株。根据树龄、位置、姿态、生长势和保护现状,对所有古树名木进行了评价分级,分为特殊保护(一级)、重点保护(二级)和一般保护(三级),其中,古树名木单株一级51株、二级40株、三级25株,古树群一级2处4 200株,二级4处6 064株。

The old and famous trees in Laiwu city were studied based on field survey. There are 116 old and famous individual trees, mainly Sophora japonica （62）, Platycladus orientalis （25） and Ginkgo biloba （9）, and 6 patches of old and famous tree groups totalled up to 10 264 trees, including 8 200 Castanea mol- lissima trees, 2 036 Diospyros kaki trees, 12 Pyrus bretschneideri trees and 16 Platycladus orientalis trees. All the old and famous trees were evaluated and classified for protection according to their ages, locations, ges- ture, growth vigour and protection status. The results were as follows： there were 51 old and famous trees for Grade -1, 40 for Grade -2 and 25 for Grade -3 protection in the 116 individual ones; and 2 patches of tree groups totalled up to 4 200 trees for Grade - 1 protection and 4 patches totalled up to 6 064 trees for Grade - 2 protection in the 6 tree groups.