柳州市市辖区古树名木资源特征分析

通过对柳州市市辖区古树名木资源特征进行分析，结果显示，古树名木共有2 236株，隶属29科、42属、52种；古树树龄呈金字塔结构；国家级重点保护树种6种，共285株；古树名木生长状况良好，树高整体呈近似正态分布，胸径与冠幅呈正偏态分布；古树名木权属以国有为主，各市辖区古树名木数量分布存在明显差异；古树名木主要集中在远郊野外，以群团状分布为主。针对市辖区古树名木存在的问题提出了加强技术指导、制定古树保护管理手册、提高意识等建议。

Characteristic Analysis of Ancient and Famous Trees Resource in Liuzhou Municipal Districts

Through the characteristic analysis of ancient and famous trees resources in Liuzhou municipal districts,the results showed that there were 2 236 ancient and famous trees belonging to 52 species, 42 genera and 29 families; the age of ancient trees was pyramid structure; there were 6 national key protected tree species, totaling 285 trees; the growth of ancient and famous trees was in good condition; the overall height of trees was near normal distribution,while the DBH and crown width were positively skewed distribution; the ownership of ancient and famous trees was mainly state-owned; there were obvious differences in the distribution of the number among different districts; ancient and famous trees mainly concentrated in the outer suburbs, with mainly distributed in clusters. In view of the existing problems of ancient and famous trees in Liuzhou, this paper suggested to strengthen technical guidance, formulate the conservation and management manual and raise public awareness.