摘要
目的:探究济南市古树资源现状,对济南市古树资源的种类组成、区系分布、生长状况和结构特征进行分析。方法:以区县为单位,通过实地调查、走访群众、查阅历史资料与文献等方法全面收集古树资料,开展实地调查。结果:济南市现有古树9 982株,隶属于32科58属79种,以蔷薇科、豆科为优势科,以柿、槐、侧柏等树种为优势种。古树资源属的分布区类型具有明显的温带属性和由温带向热带过渡的特点。古树在全市13个区、2个县均有分布,其中以莱芜区分布的古树数量最多。城乡分布差异巨大,生长在城区和乡村的古树分别为914和9 068株。生长势衰弱和濒危古树占比达10%。古树树龄结构呈金字塔型,随树龄增加古树数量逐渐减少,树龄主要集中在100~150 a。古树的树高与胸径、树高与冠幅、胸径与冠幅间均呈显著正相关关系。结论:济南市古树资源丰富,空间分布不均,具有明显的温带属性,长势衰弱和濒危的古树较多,下一步应从落实管护责任人制度、分树种制定复壮技术规范、开展动态监测以及加强科普宣传4方面做好古树的保护工作。
Objective:To explore the current situation of ancient tree resources in Jinan,and analyze the species composition,regional distribution,growth status,and structural characteristics of ancient tree resources.Methods:On a county by county basis,comprehensive collection of ancient tree information and on-site investigations were conducted through on-site investigations,visits to the public,and research on historical materials and literature.Results:There were currently 9982 ancient trees in Jinan,belonging to 79 species in 58 genera of 32 families.The dominant families were Rosaceae and Fabaceae,while the dominant species were Diospyros kaki,Styphnolobium japonicum and Platycladus orientalis.The distribution types of ancient tree resources genera had obvious temperate attributes and characteristics of transitioning from temperate to tropical regions.Ancient trees were distributed in 13 districts and 2 counties throughout the city,Laiwu District had the highest number of ancient trees.There was a huge difference in the distribution of ancient trees between urban and rural areas,with 914 and 9068 ancient trees growing in urban and rural areas respectively.The age structure of ancient trees was pyramid shaped,and the number of ancient trees gradually decreased with increasing age,the age of trees was mainly concentrated in the range of 100~150 years.There was a significant positive correlation between the height and diameter at breast height,height and crown width,and diameter at breast height and crown width of ancient trees.Conclusions:Jinan had abundant ancient tree resources with uneven spatial distribution and obvious temperate attributes.There were many ancient trees with weak growth and endangered status.Next,Jinan should do a good job in protecting ancient trees from the following four aspects,including implementing the system of responsible persons for management and protection,formulating rejuvenation technical specifications for different tree species,conducting dynamic monitoring,and strengthening science popularization and publicity.
作者
韩尚君
井琪
徐婷
梁江涛
张宏巍
葛磊
张照义
刘丹
Han Shangjun;Jing Qi;Xu Ting;Liang Jiangtao;Zhang Hongwei;Ge Lei;Zhang Zhaoyi;Liu Dan(Shandong Provincial Center of Forest and Grass Germplasm Resources,Jinan 250102,China;Shandong Forestry Protection and Development Service Center,Jinan 250014,China;Academy of Forestry Inventory and Planning,National Forestry and Grassland,Beijing 100083,China;Jinan Research Institute of Landscape and Forestry,Jinan 250103,China)
出处
《中国野生植物资源》
CSCD
2024年第2期127-132,共6页
Chinese Wild Plant Resources
基金
古树名木保护技术示范与推广(鲁[2024]TG08号)
古树复壮效果评价指标体系研究项目(2022GSGHZ037)
山东省古树名木抢救复壮试点(2019020089)。
关键词
济南
古树
资源调查
特征分析
Jinan
Ancient tree
Resource survey
Feature analysis