长沙市雨花区古树资源调查与分析

TANG Ruichang,GUO Youliang, PENG Jun,CAO Lubin,XIAO Yaqin,YANG Jun,TANG Shuihong

Hunan Forestry Science & Technology（2021）

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Abstract

为调查分析长沙市雨花区古树资源现状,采用胸径尺、树高仪、皮尺测量古树胸径、树高、冠幅,采样检测古树现状及其他定性定量指标;对古树生长指标之间,生长指标与病虫害、枯枝、黄(红)叶之间的关系,应用Spearman方法研究其相关性.结果表明:雨花区古树树高与枯枝、树高与黄(红)叶、枯枝与黄(红)叶、枯枝与病虫害呈显著正相关;冠幅与病虫害呈负相关,冠幅与胸径的相关性不明显.雨花区古树年龄结构特征基本符合长沙市整体水平,且国家三级古树资源略高于长沙市水平.

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