济南中山公园古侧柏健康评价与分级保护

Health Evaluation and Grading Protection of Platycladus orientalis in Zhongshan Park of Jinan City

济南中山公园内古树众多,受使用者和环境变化的影响,树木健康状态堪忧。采用每木调查法、分级评价法等对中山公园内的古侧柏进行全面调查、评价和制订分级保护方案,为日后古树保护工作提供科学依据。针对公园内古侧柏的立地条件、生长势、树型、病虫害和保护现状5个指标进行评价,并记录结果进行分级。得到济南中山公园内的古侧柏分级评价结果:一级12株、二级24株、三级17株,其中生长势所占的权重最大,为36.36。古树健康应得到有关部门的重视,应分期分批进行扶撑加固、浇水施肥、病虫防治、修剪整形及濒危古树名木的抢救和老树复壮、古树名木生存环境改善等措施。

There were many ancient trees in Jinan Zhongshan Park.Affected by users and environmental changes,the health of trees is worrying.Each tree survey method and grading evaluation method are used to comprehensively investigate and evaluate the ancient Platycladus orientalis in Zhongshan Park and formulate grading protection plans to provide scientific basis for future ancient tree protection.The site conditions,growth potential,tree type,pests and diseases and protection status of the ancient Platycladus orientalis in the park were evaluated,and the results were recorded for classification.The grading evaluation results of the ancient Platycladus orientalis in Jinan Zhongshan Park were obtained:12 plants at the first level,24 plants at the second level and 17 plants at the third level,of which the growth potential accounted for the largest weight,36.36.The health of ancient trees should be paid attention by relevant departments.Support and reinforcement,watering and fertilization,disease and pest control,pruning and shaping,rescue of endangered ancient and famous trees,rejuvenation of old trees and improvement of living environment of ancient and famous trees should be carried out in stages and batches.