湟源县古树调查评价及保护对策研究

Investigation and Evaluation of Ancient Trees in Huangyuan County and Protection Countermeasures

为加强古树名木资源的保护管理,采用GPS定位、文献跟踪、资料收集、现地鉴定、数码拍照等方法,开展青海省湟源县古树名木资源调查和评价。结果表明:①湟源县共有古树35株,全部为三级保护古树,没有名木,绝大多数为青杨,全部以散生状态分布在乡村,权属均为集体所有。②古树生长环境为良好的有17株、中等的有17株、差等的有1株,生长环境为中等偏上;生长势为正常的有28株、衰弱的有7株,生长势状况良好。③古树树龄在138~238a,平均为141a;树高在12~35m,平均为22m;胸围/地围在222~560cm,平均为364cm;平均冠幅在7~25m,平均为16m。最后提出了古树名木资源保护管理对策建议。

To strengthen the protection and management of ancient trees, ancient trees in Huangyuan County were investigated and evaluated through the GPS positioning, literature review, data collection, in-situ identification and taking pictures and etc.. The results showed that ①There were 35 third-class protected plants of ancient trees in Huangyuan County. Most of them were cathay poplar. They were scattered in the countryside under collective ownership.②17 plants of them had better growing environment, 17 plants had moderate growing environment and 1 had poor growing environment. 28 plants had normal growth vigor and 7 plants had relatively weak growth vigor.③Their ages were between 138 a and 238 a with the average of 141 a. The heights were between 12 m and 35 m with the average of 22 m. The chest measurement was between 222 cm and 560 cm with the average of 364 cm. The average canopy was between 7 m and 25 m with the average of 16 m. Finally, the protection and management measures were put forward.