塞罕坝地区典型人工林生物碳贮量的比较  

Comparison of biocarbon storage of typical plantation in Saihanba area

作　　者：王志杰 房子怡 张菲 张岩 许中旗 WANG Zhijie;FANG Ziyi;ZHANG Fei;ZHANG Yan;XU Zhongqi(Saihanba Mechanized Forestry Center of Hebei Province,Weichang 068466,China;College of Forestry,Hebei Agricultural University,Baoding 071000,China)

机构地区：[1]河北省塞罕坝机械林场总场,河北围场068466 [2]河北农业大学林学院,河北保定071000

出　　处：《林业与生态科学》2022年第2期174-179,共6页Forestry and Ecological Sciences

基　　金：承德国家可持续发展议程创新示范区建设科技专项项目(202008F025)。

摘　　要：为了探究塞罕坝地区不同典型人工林的碳汇能力,对塞罕坝机械林场3种林分类型,华北落叶松人工林、云杉人工林、樟子松人工林的最大生物碳贮量进行比较。研究结果表明:在平均胸径相同的前提下,华北落叶松的单株生物量及碳贮量最大,其次为云杉林,最小为樟子松林。在胸径小于16 cm时,华北落叶松林总碳贮量最高,其次为云杉林,最低为樟子松林;当胸径在16~28 cm时,总碳贮量由高到低分别为云杉林、华北落叶松林和樟子松林;当平均胸径大于28 cm时,总碳贮量由高到低分别为云杉林、樟子松林和华北落叶松林。各树种碳在各个器官的分配也有明显不同,华北落叶松的叶片和主干中碳所占比例随胸径的增加逐渐减小,侧枝则相反;樟子松叶片及侧枝中碳所占比例则随胸径的增加呈逐渐下降趋势,主干则相反;云杉林叶片中碳所占比例则随胸径的增加呈明显的增加趋势,主干中碳所占比例相反,枝条中碳所占比例则相对稳定。不同人工林生物碳贮量的相对大小与林分的平均胸径有关。In order to investigate the carbon sequestration capacity of different typical plantations in Saihanba area,the maximum biological carbon storage capacity of three representative stands(Larix principis-rupprechtii,Picea meyeri and Pinus sylvestris var.mongolica)was compared.The results showed that under the same average DBH,L.principis-rupprechtii had the highest biomass and carbon storage,followed by P.meyeri and P.sylvestris var.mongolica.When the diameter at breast height was less than 16 cm,the total carbon storage of L.principis-rupprechtii forest was the highest,followed by P.meyery,and the lowest was P.sylvestris var.mongolica.When the diameter at breast height was between 16-28 cm,the total carbon storage in descending order was P.meyeri,L.principis-rupprechtii and P.sylvestris var.mongolica forests.When the average DBH was greater than 28 cm,the total carbon storage from high to low was P.meyeri forest,P.sylvestris var.mongolica and L.principis-rupprechtii forests,respectively.The distribution of carbon in different organs was also different among species.The proportion of leaf and trunk of L.principis-rupprechtii decreased with the increase of DBH,but the proportion of lateral branches was the opposite.The proportion of leaf and lateral branches of P.sylvestris var.mongolica decreased gradually with the increase of DBH,but the proportion of trunk was the opposite.The proportion of carbon in P.meyeri leaves increased significantly with the increase of DBH,while the proportion of carbon in trunk was the opposite,while the proportion of carbon in branches was relatively stable.The relative size of the biological carbon storage of different plantations was related to the average DBH of the plantations.

关 键 词：人工林 华北落叶松 云杉 樟子松 碳贮量 生物量模型 

分 类 号：S718.5[农业科学—林学]