[1]郭子豪,陈伟,陈钱炜,等. 滇中地区陆生主要灌丛生态系统碳汇分配格局特征[J].西北林学院学报,2022,37(6):1-9.[doi:10.3969/j.issn.1001-7461.2022.06.01]
　GUO Zi-hao,CHEN Wei,CHEN Qian-wei,et al. Characteristics of Carbon Sink Distribution Pattern of Terrestrial Main Shrub Ecosystem in Central Yunnan[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(6):1-9.[doi:10.3969/j.issn.1001-7461.2022.06.01]
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 滇中地区陆生主要灌丛生态系统碳汇分配格局特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第6期
页码:
1-9
栏目:
出版日期:
2022-11-30

文章信息/Info

Title:
 Characteristics of Carbon Sink Distribution Pattern of Terrestrial Main Shrub Ecosystem in Central Yunnan
文章编号:
1001-7461(2022)06-0001-09
作者:
 郭子豪1; 陈伟2; 陈钱炜3; 巩合德1*
 （1.西南林业大学 地理与生态旅游学院，云南 昆明 650244；2.西南林业大学 园林园艺学院，云南 昆明 650244；3.西南林业大学 绿色发展研究院，云南 昆明 650244）
Author(s):
 GUO Zi-hao1; CHEN Wei2; CHEN Qian-wei3; GONG He-de1*
 （1.School of Geography and Ecotourism,Southwest Forestry University,Kunming 650244,Yunnan,China；2.College of Landscape Architecture and Horticulture Science,Southwest Forestry University,Kunming 650244,Yunnan,China；3.Green Development Research Institute,Southwest Forestry University,Kunming 650244,Yunnan,China)
关键词:
 ; 滇中地区; 灌丛植物; 生物量; 碳密度; 环境因子; 分配格局
Keywords:
 ; Central Yunnan;  shrub plant;  biomass;  carbon density;  environmental factor;  distribution pattern
分类号:
S714
DOI:
10.3969/j.issn.1001-7461.2022.06.01
文献标志码:
A
摘要:
 伴随全球气候变化关注度提升，植物碳汇研究愈发得以重视，其中陆生灌丛植物在陆地生态系统碳汇研究中占据重要位置。采用样地调查法，对滇中地区不同样地的69个样方中12个主要灌丛生态系统生物量与有机碳密度的相关关系、分配格局、形成原因进行了研究。结果表明，灌丛的地上生物量（AGB）、地下生物量（UGB）和根冠比（R/S）分别介于1.13~2.03、0.62~1.49 t/hm2和0.38~0.84。群落和物种的地上、地下生物量的拟合斜率为异速分配生长关系，植被的根冠比数值较其他植被类型更小。灌丛碳密度、凋落物总碳密度、土壤有机碳密度和生态系统碳密度的均值分别为(60.43±22.12)、(25.60±7.32)、(24.71±20.06)t/hm2和(110.74±35.34)t/hm2。灌木层碳在根茎叶间分布含量差别不大，主要在茎部（35.57%），草本层碳主要分配在地下部分中(15.06%~60.45%)。年均温度（MAT）和年均降水（MAP）对生物量及根冠比的相关性没有影响。
Abstract:
 With the increasing concern to the global climate change,more and more attention has been paid to the researches on plant carbon sink,in which terrestrial shrub plants occupy an important position in the study of terrestrial ecosystem carbon sink.In this research,the correlation between biomass and organic carbon density,distribution pattern and formation causes of 12 main shrub ecosystems in 69 sampling points in different places in Central Yunnan were studied by sample plot investigation method.The results showed that the aboveground biomass (AGB),underground biomass (UGB) and root shoot ratio (R/S) of shrub were between 1.13-2.03 t/hm2,0.62-1.49 t/hm2 and 0.38-0.84,respectively.The fitting slope of AGB and UGB between community and species was allometric growth,and the R/S of vegetation was smaller than that of other vegetation types.The mean values of shrub carbon density,total litter carbon density,soil organic carbon density and ecosystem carbon density were 60.43±22.12,25.60±7.32,24.7±20.06,and 110.74±35.34 t/hm2,respectively.There was little differences in the distribution and content of carbon in shrub layer between roots,stems and leaves,and it was mainly in stems (35.57%).The herbaceous carbon was mainly distributed in the underground part (15.06%-60.45%).Mean annual temperature and mean annual precipitation had no effect on the correlation between biomass and R/S.

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备注/Memo

备注/Memo:
 收稿日期：2021-09-19修回日期：2021-11-03
基金项目：国家自然科学基金“气候变暖对哀牢山常绿阔叶林根际土壤碳过程的影响研究（31560189）”；国家科技基础性工作专项子项目“我国主要灌丛植物群落调查（2015FY110300)子课题”；“云南省灌丛植物群落调查(2015FY1103001-4)”。
第一作者：郭子豪。研究方向：自然地理学。E-mail:2496851740@qq.com
*通信作者：巩合德，博士后，副教授，硕士生导师。研究方向：森林生态学和植物地理学。E-mail:gonghede3@163.com
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