[1]任亮晶,商宏莉,罗 辑,等.海螺沟冰川退缩区原生演替序列植被碳氮储量动态[J].水土保持研究,2020,27(05):32-37,44.
　REN Liangjing,SHANG Hongli,LUO Ji,et al.Dynamic of Carbon and Nitrogen Storage Along a Primary Succession Chronosequence in the Foreland of Hailuogou Glacier[J].Research of Soil and Water Conservation,2020,27(05):32-37,44.
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海螺沟冰川退缩区原生演替序列植被碳氮储量动态

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 27 期数: 2020年05期 页码: 32-37,44 栏目: 目次 出版日期: 2020-08-20
Title:
Dynamic of Carbon and Nitrogen Storage Along a Primary Succession Chronosequence in the Foreland of Hailuogou Glacier
文章编号:
1005-3409(2020)05-0032-06
作者:
任亮晶1,2, 商宏莉1, 罗 辑2, 刘 亭1,2, 孙守琴2, 何咏梅 2
(1.四川师范大学 生命科学学院, 成都 610101; 2.中国科学院水利部成都山地灾害与环境研究所山地表生过程和生态调控重点实验室, 成都 610041)
Author(s):
REN Liangjing1,2, SHANG Hongli1, LUO Ji2, LIU Ting1,2, SUN Shouqin2, HE Yongmei2
(1.College of Life Sciences, Sichuan Normal University, Chengdu 610101, China; 2.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China)
关键词:
生物量;  碳氮储量;  原生演替
Keywords:
biomass;  carbon and nitrogen storage;  primary succession
分类号:
S718.5
文献标志码:
A
摘要:
在贡嘎山海螺沟冰川退缩区,对植被原生演替序列,选择冰川退缩后第5,27,37,47,53,59,87,127,157年9个演替阶段为对象,进行了不同演替阶段的乔木、灌木、草本及植被总体生物量和碳氮储量调查。结果显示:随着演替时间的推进,植被总生物量呈波动性增加,从0.95 t/hm2增至163.79 t/hm2。植被不同层次中,乔木层生物量占活体植物总生物量的比例最大,达94.5%以上。不同演替阶段植被碳氮储量的变化与其生物量的变化相似。植被总碳、氮储量从演替初期到顶级群落波动性增加,分别从0.40 t/hm2,0.01 t/hm2增至88.45 t/hm2,1.76 t/hm2。不同演替阶段乔木层碳、氮储量分别为35.27～99.85 t/hm2,1.11～1.99 t/hm2,占总碳、氮储量的92.8%和93.4%以上,是不同演替阶段植被碳氮储量的主体。研究表明灌木层和草本层的碳氮储量对植被碳氮总储量的贡献较低。
Abstract:
The dynamics of vegetational biomass and the carbon and nitrogen storage along the successional chronosequence in the foreland of Hailuogou Glaicier were investigated. The results showed that the total plant biomass presented the volatile increase with the successional process, increased from 0.95 t/hm2 to 163.79 t/hm2; as the most important components of the ecosystem, trees contributed more than 94.5% of the living plant biomass; vegetation carbon and nitrogen storage increased from 0.40 t/hm2 and 0.01 t/hm2 in the early succession stage, to 88.45 t/hm2 and 1.76 t/hm2 in the late succession stage, espectively; the storgae of carbon and nitrogen in trees was 35.27～99.85 t/hm2 and 1.11～1.99 t/hm2, respectively, accounting for 92.8% and 93.4% of the total vegetaion carbon and nitrogen pools, respectively. The carbon reserves of shrub and herbaceous layer contributed less to the total carbon and nitrogen reserves of vegetation.

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备注/Memo

收稿日期:2019-11-09修回日期:2019-11-22
资助项目:国家自然科学基金“海螺沟冰川退缩区植被原生演替过程中内生固氮植物的驱动作用研究”(41877347)
第一作者:任亮晶(1995—),女,甘肃张掖人,硕士研究生,主要从事植物生态学研究。E-mail:794092675@qq.com
通信作者:商宏莉(1965—),女,四川内江人,硕士,副教授,主要从事植物生态学研究。E-mail:964734080@qq.com

更新日期/Last Update: 2020-08-25