许昌市古树名木资源特征分析

Characteristic Analysis of Ancient and Famous Trees Resources in Xuchang City

2017年4月至2018年9月许昌市绿化委员会对全市古树名木资源进行了普查。经统计分析,全市有古树名木914株,其中散生古树874株、古树群4个共38株、名木2株,隶属22科37属43种。排名前三的优势科是豆科560株、柏科153株、柿科68株;排名前三的优势属是槐属413株、皂荚属133株、侧柏属91株;排名前三的优势种是国槐413株、皂荚133株、侧柏91株。国家Ι级保护野生植物银杏10株,Ⅱ级保护野生植物翠柏3株。古树名木以乡土树种为主,具有明显的温带植被特征。权属以集体为主,分布格局以散生为主,生长位置以乡村为主。

From April 2017 to September 2018,the Greening Committee in Xuchang conducted a census of the ancient and famous trees in the city.The statistical analysis showed that there were 914 ancient and famous trees belonging to 43 species,37 genera and 22 families,including 874 scattered ancient trees,4 ancient tree groups with 38 ancient trees and 2 famous trees.The top three dominant families were 560 Leguminosae plants,153 Cupressaceae plants and 68 Persimaceae plants.The top three dominant genera were 413 Sophora plants,133 Gleditsia plants and 91 Platycladus plants.The top three dominant species were 413 Sophora japonica,133 Gleditsia sinensis plants and 91 Platycladus orientalis plants.There were 10 plants of Ginkgo biloba under State protection (categoryΙ) and 3 plants of Calocedrus macrolepis under State protection (categoryⅡ).Most of ancient and famous trees were native species with obvious characteristics of temperate vegetation.The ownership was mainly collective,the main distribution pattern was scattered,and the main growth location was rural.