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Experimental study on growth ofHydrilla verticillataunder different concentrations of bicarbonate and its implication in karst aquatic ecosystem

文献类型：期刊论文

作者Wang, Pei1,4; Zhang, Xinrui2; Wang, Dewei3; Wu, Zhenbin1; Cao, Jianhua4
刊名CARBONATES AND EVAPORITES
出版日期2020-07-10
卷号35期号:3页码:9
关键词Karst aquatic ecosystem Bicarbonate Submerged plants Karst carbon sink
ISSN号0891-2556
DOI10.1007/s13146-020-00618-0
通讯作者Wu, Zhenbin(wuzb@ihb.ac.cn) ; Cao, Jianhua(jianhuacao-irck@karst.ac.cn)
英文摘要Bicarbonate (HCO3-) is one of the dominant carbon forms in the aquatic ecosystem and carbon cycle in karst areas. Recent studies have focused on the HCO(3)(-)utilization by aquatic plants to assess karst carbon sink at a watershed scale. However, the predominated researches inadequately address the effects on growth of submerged plants in various HCO(3)(-)conditions and how the submerged plants affect the karst carbon cycle. Here,H. verticillatawas selected as a research object in different HCO(3)(-)concentrations. Plant morphology and water chemistry were analyzed to comparatively study the growth strategy and carbon utilization of submerged plants under various HCO(3)(-)conditions. The results show that the HCO(3)(-)aquatic environment can remarkably promote the growth ofH. verticillatain terms of biomass, apical shoots, lateral shoots, and root production. The optimum concentration on biomass accumulation and lateral shoots growth is 4 mmol L-1; while, it is 8 mmol L(-1)for the apical growth. But overall, the biomass accumulation is one order of magnitude higher than that in the control group. Despite the abundant dissolved inorganic carbon can significantly stimulate the growth of submerged plants, the respiration ofH. verticillatasuffers a certain inhabitation when the HCO(3)(-)concentration exceeds 4 mmol L-1. In karst aquatic environment, the existing HCO(3)(-)not only promotes the growth of submerged plants by means of supplying abundant dissolved inorganic carbon but also creates an alkaline water environment to buffer CO(2)from the atmosphere. As a consequence, the presence of submerged plants has greatly enhanced the stability of karst carbon sink.
WOS关键词DISSOLVED INORGANIC CARBON ; C-4 PHOTOSYNTHESIS ; SUBMERGED PLANTS ; WATER ; CO2 ; CYCLE ; METABOLISM ; PHOTORESPIRATION ; RESPIRATION ; MACROPHYTES
资助项目National Natural Science Foundation of China[41807205] ; National Key Research and Development Plan of China[2016YFC0502506] ; National Key Research and Development Plan of China[2016YFC0500403-03] ; Chinese Geological Survey Project[12120113005300] ; Guangxi Science and Technology Development Program[1598023-1] ; Karst Dynamics Laboratory, MLR and GZAR[KDL201304]
WOS研究方向Geology
语种英语
WOS记录号WOS:000546934900001
出版者SPRINGER
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Guangxi Science and Technology Development Program ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR ; Karst Dynamics Laboratory, MLR and GZAR
源URL[http://ir.ihb.ac.cn/handle/342005/38450]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Wu, Zhenbin; Cao, Jianhua
作者单位1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
3.Guilin Univ Technol, Coll Environm Sci & Engn, Guilin 541006, Peoples R China
4.Int Res Ctr Karst Auspices UNESCO, Guilin 541004, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Pei,Zhang, Xinrui,Wang, Dewei,et al. Experimental study on growth ofHydrilla verticillataunder different concentrations of bicarbonate and its implication in karst aquatic ecosystem[J]. CARBONATES AND EVAPORITES,2020,35(3):9.
APA Wang, Pei,Zhang, Xinrui,Wang, Dewei,Wu, Zhenbin,&Cao, Jianhua.(2020).Experimental study on growth ofHydrilla verticillataunder different concentrations of bicarbonate and its implication in karst aquatic ecosystem.CARBONATES AND EVAPORITES,35(3),9.
MLA Wang, Pei,et al."Experimental study on growth ofHydrilla verticillataunder different concentrations of bicarbonate and its implication in karst aquatic ecosystem".CARBONATES AND EVAPORITES 35.3(2020):9.

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来源：水生生物研究所

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