摘要
为科学评价干旱区荒漠人工灌丛碳汇作用,筛选出较优良的固碳植物材料,本研究在基于样方法和收获法计算出乌拉特后旗狼山南麓4种人工灌木群落(蒙古扁桃Amygdalus mongolica、霸王Zygophyllum xanthoxylon、沙冬青Ammopiptanthus mongolicus、酸枣Ziziphus jujuba)生物量的基础上,推算出这4种人工灌木群落的碳储量,分析其空间分布特征,并通过碳税法、工业制氧法核算其固碳释氧价值。结果表明:(1)蒙古扁桃、霸王、沙冬青、酸枣4种人工灌木群落植被碳储量分别为659.42、529.63、439.25、1 502.00 kg·hm^(-2),分别占灌木群落总碳储量的21.07%、16.92%、14.03%、47.98%。(2)4种人工灌木群落生物量、碳储量垂直分配表现为造林树种>林下灌木>草本;不同人工灌木群落造林树种、林下灌木各器官碳储量均表现出根>枝>叶。不同人工灌木群落造林树种碳储量变异系数在28%~62%之间,相同器官之间的碳储量变异系数在54%~72%之间。(3)蒙古扁桃、霸王、沙冬青、酸枣人工灌木群落固碳释氧价值分别为57 157.41、11 480.99、38 102.66、130 225.32元·hm^(-2),群落总固碳释氧价值每年为236 966.37元·hm^(-2)。综上,与蒙古扁桃、霸王、沙冬青相比,酸枣是较优良的固碳植物材料,适度发展酸枣对碳的固定有利。
In order to scientifically evaluate the carbon sequestration of desert artificial shrub in arid area and select better carbon sequestration plant materials,four artificial shrub communities(Amygdalus mongolica,Zygophyllum xanthoxylon,Ammopiptanthus mongolicus,Ziziphus jujuba) at the south foot of Langshan Mountain in Urad Black Banner were used to calculate the carbon reserve and analyze the spatial distribution characteristics based on calculating biomass through sampling method and harvest method.Their value of carbon fixation and oxygen release were also calculated by carbon tax law and industrial oxygen production method.The results were as follows.(1) The vegetation carbon reserves of Mongolian almond,Overlord,sand holly and wild jujube artificial shrub communities were 659.42,529.63,439.25 and 1 502.00 kg·hm^(-2),respectively,which accounted for 21.07%,16.92%,14.03% and 47.98% of the total carbon reserves of shrub communities,respectively.(2) The vertical distribution of biomass and carbon reserve of the four artificial shrub communities showed afforestation tree species>understory shrub>herb.The carbon reserve of various organs of afforestation tree species and understory shrubs in different artificial shrub communities showed root > branch > leaves.The variation coefficient of carbon reserve of afforestation tree species in different artificial shrub communities was between 28%~62%,and that in the same organs was between 54%~72%.(3) The carbon fixation and oxygen release value of Mongolian almond,Overlord,sand holly and wild jujube artificial shrub communities were 57 157.41,11 480.99,38 102.66 and 130 225.32 yuan per hectare,respectively.The annual total carbon fixation and oxygen release value of the community was 236 966.37 yuan per hectare.In summary,compared with Mongolian almond,Overlord and sand holly,wild jujube was an excellent carbon fixation plant material,and its moderate development could be benefit to carbon fixation.
作者
王事成
罗于洋
王树森
张宏武
温苏雅勒图
刘静
张俊
Wang Shicheng;Luo Yuyang;Wang Shusen;Zhang Hongwu;Wensuyaletu;Liu Jing;Zhang Jun(College of Desert Control Science and Engineering,Inner Mongolia Agricultural University/Key Laboratory of Desert Ecosystem Conservation and Restoration,State Forest Administration of China/Key Laboratory of Aeolian Physics and Desertification Control Engineering,Hohhot 010018,China;Bayannur Forestry and Grassland Resources Protection Center,Bayannur 015000,China;Forestry and Grassland Bureau of Urad Black Banner,Urad Black Banner 015000,China)
出处
《山东农业科学》
北大核心
2022年第8期116-122,共7页
Shandong Agricultural Sciences
基金
内蒙古自治区科技计划项目“内蒙古地区多功能树种选育及扩繁关键技术研究与示范”(2019GG004)。
关键词
生物量
碳储量
固碳释氧
人工灌木群落
Biomass
Carbon reserve
Carbon fixation and oxygen release
Artificial shrub community
