摘要
文章对泰安市主城区3条道路林进行样地调查,采用物种多样性指数、平均生物量模型等方法分析道路林结构特征及碳储量。结果表明:研究区乔木8科11属12种,平均胸径为15.49 cm;泰安市道路林的植被构成比较单一化、均质化,植物多样性不高。研究区37个样带的碳密度在0.53~6.59 kg·m^(-2)范围变化,以碳密度<3.00 kg·m^(-2)的居多,占样带总数的75.68%;不同道路林群落类型中,针阔混交林的平均碳密度最大。道路林碳密度与胸径、单位面积胸高断面积具有极显著正相关性。建议泰安市在未来的道路林建设中,应加强群落优化,注重树种管理,选择应用高碳汇树种,以充分发挥道路林的碳汇效应。
Plot investigation is conducted for three road forests in the urban core area of Tai'an City,and the species diversity index and average biomass model are used to analyze their structural characteristics and carbon storage.The results show that there are 12 species of trees belonging to 11 genera and 8 families in the study area,with the average DBH at 15.49 cm,and road forests in Tai'an City have simple and homogeneous vegetation composition,with a low plant diversity.The carbon density of 37 sample areas varies between 0.53 and 6.59 kg·m^(-2),and the majority of the sample areas,accounting for 75.68%of the total transect,have the carbon density less than 3.00 kg·m^(-2).The average carbon density of coniferous and broad-leaved mixed forest is the highest among different types of road forest community.The carbon density of road forest has significant positive correlation with DBH and chest height section area per unit area.In the future establishment of road forests in Tai'an,it is suggested that Tai'an City should strengthen community optimization,place an importance to species,and apply tree species with high carbon sink so as to give full play to the carbon sink effect of road forest.
作者
周继磊
李传荣
贾艳艳
杨柳
刘琳
肖茂
Zhou Jilei;Li Chuanrong;Jia Yanyan;Yang Liu;Liu Lin;Xiao Mao(Shandong Forestry Protection and Development Service Center,Jinan 250000,China;Forestry College,Shandong Agricultural University,Tai'an 271018,Shandong,China;Taishan Forest Ecosystem Research Station/Research Center of Shandong Higher Education Institutions for Forest Carbon Neutrality Engineering,Tai'an 271018,Shandong,China;Key Laboratory of Shandong Higher Education Institutions for Ecological Protection and Security Control of the Lower Yellow River,Tai'an 271018,Shandong,China;Hunan Prospecting Designing and Research Institute for Agricultural Forestry and Industry,Changsha 410007,China)
出处
《中国城市林业》
2024年第2期121-128,共8页
Journal of Chinese Urban Forestry
基金
山东省林业保护与发展服务中心“碳中和背景下森林资源碳汇能力评估和提升项目”
山东省自然科学基金项目(ZR2021QD124)。
关键词
城市道路林
结构特征
碳储量
碳汇
泰安市
urban road forest
structure characteristics
carbon storage
carbon sink
Tai'an City
