[1]汪 琴,胡 佳,冯 哲,等.鄱阳湖南矶湿地6种优势植物群落植被碳储量分布特征[J].江西师范大学学报(自然科学版),2020,(04):437-441.[doi:10.16357/j.cnki.issn1000-5862.2020.04.17]
　WANG Qin,HU Jia,FENG Zhe,et al.The Characteristics of Carbon Storage in Six Dominant Plant Communities in Nanji Wetland,Poyang Lake[J].Journal of Jiangxi Normal University:Natural Science Edition,2020,(04):437-441.[doi:10.16357/j.cnki.issn1000-5862.2020.04.17]
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鄱阳湖南矶湿地6种优势植物群落植被碳储量分布特征()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年04期
页码:
437-441
栏目:
鄱阳湖研究
出版日期:
2020-08-10

文章信息/Info

Title:
The Characteristics of Carbon Storage in Six Dominant Plant Communities in Nanji Wetland,Poyang Lake
文章编号:
1000-5862(2020)04-0437-05
作者:
汪 琴; 胡 佳; 冯 哲; 张前前; 吴 琴; 胡启武*
江西师范大学地理与环境学院/鄱阳湖湿地与流域研究教育部重点实验室,江西 南昌 330022
Author(s):
WANG Qin; HU Jia; FENG Zhe; ZHANG Qianqian; WU Qin; HU Qiwu*
College of Geography and Environment,Key Laboratory of Poyang Lake Wetland and Watershed Research of Ministry of Education,Jiangxi Normal University,Nanchang Jiangxi 330022,China
关键词:
鄱阳湖;  湿地;  植物群落;  碳储量
Keywords:
Poyang Lake;  wetland;  plant community;  carbon storage
分类号:
Q 948.2
DOI:
10.16357/j.cnki.issn1000-5862.2020.04.17
文献标志码:
A
摘要:
在春季生长期,在鄱阳湖南矶湿地典型区内沿水位梯度采集6种优势植物群落样品,进一步区分植物地上部分茎叶和地下根系,以及优势种和伴生种.通过测定群落不同组分的全碳含量和生物量分析了鄱阳湖湿地植被碳分配与碳储量特征.结果表明:植物地上部分全碳含量的波动范围为37.12%～47.30%,地下根系全碳含量的波动范围为24.32%～38.33%,地上部分大于地下根系.总碳储量在不同群落间的变化范围为229.29～581.37 gC·m-2,表现为灰化苔草群落最高,菰群落最低.不同群落物种的碳分配策略存在显著差异:灰化苔草和狗牙根地下根系碳分配远高于地上部分,虉草和芦苇则将更多的碳分配至地上部分,菰和南荻地上和地下碳分配较为均衡.碳储量在种间分配上主要集中于群落优势种.
Abstract:
During the peak growing period of April,the above-ground plant parts and belowground roots are sampled in six dominant communities in Poyang Lake Nanji Wetland National Nature Reserve.Subsequently,the different species of the six communities,as well as root,stem and leaf components of each species are separated.The biomass and carbon content are measured,and then the distribution patterns of carbon storage of the plant communities are discussed.The results show that the carbon content of above ground parts varies from 37.12% to 47.30%,and the range is from 24.32% to 38.33% for the belowground roots.The Maximum of total carbon storage is Carex cinerascens,while the minimum is Zizania latifolia(Griseb.).The distribution of carbon storage in each organ differ among the six dominant plant communities.For Cynodondactylon(Linn.)Pers and Carex cinerascens,more carbon are allocated to belowground roots.However,for Phragmites australis and Phalaris arundinacea,more carbon are allocated to aboveground plant parts.Whereas the distribution of carbon in Triarrhena lutarioriparia and Zizania latifolia(Griseb.)are relatively uniform.In addition,the dominated plant species mainly contribute the carbon storage in various communities.

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备注/Memo

备注/Memo:
收稿日期:2020-01-15
基金项目:国家自然科学基金(31600371,31460129)资助项目.
通信作者:胡启武(1979-),男,安徽池洲人,教授,博士,博士生导师,主要从事湿地生物地球化学循环研究.E-mail:huqiwu1979@gmail.com
更新日期/Last Update: 2020-08-10