IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Precipitation and air temperature control the variations of dissolved organic matter along an altitudinal forest gradient, Gongga Mountains, China
Hu, Zhaoyong1,2; Wang, Genxu1; Sun, Xiangyang1
Corresponding AuthorGenxu Wang
2017
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
EISSN1614-7499
Volume24Issue:11Pages:10391-10400
SubtypeArticle
Abstract

Dissolved organic carbon (DOC) and dissolved organic nitrogen (DON) contribute significantly to C and N cycling in forest ecosystems. Little information is available on the variations in the DOC and DON concentrations and depositions in bulk and stand precipitation within forests along an altitudinal gradient. To determine the temporal variations in the DOC and DON concentrations and depositions in different forests and the spatial variations along the elevation gradient, the DOC and DON concentrations and depositions were measured in bulk precipitation, throughfall, and stemflow within three forest types, i.e., broadleaf forest (BLF), broadleaf-coniferous forest (BCF), and coniferous forest (CF), during the wet season (May to October) on Gongga Mountain, China, in 2015. The concentrations of bulk precipitation in BLF, BCF, and CF were 3.92, 4.04, and 2.65 mg L-1, respectively, for DOC and were 0.38, 0.26, and 0.29 mg L-1, respectively, for DON. BCF had the highest DOC deposition both in bulk precipitation (45.12 kg ha(-1)) and stand precipitation (98.52 kg ha(-1)), whereas the highest DON deposition was in BLF (3.62 kg ha(-1) bulk precipitation and 4.11 kg ha(-1) stand precipitation) during the study period. The meteorological conditions of precipitation and air temperature significantly influenced the dissolved organic matter (DOM) depositions along the elevation gradient. The leaf area index did not show any correlation with DOM depositions during the growing season.

KeywordDissolved Organic Carbon Dissolved Organic Nitrogen Forest Precipitation Air Temperature Leaf Area Index
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11356-017-8719-9
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordCARBON ISOTOPIC CHARACTERIZATION ; ATMOSPHERIC DEPOSITION ; THROUGHFALL ; NITROGEN ; TERRESTRIAL ; STEMFLOW ; RAINWATER ; FLUXES ; CYCLE ; INTERCEPTION
Language英语
Quartile3区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000399401700048
Funding OrganizationNational Natural Science Foundation of China(41340013 ; Chinese Academy of Sciences Key Research Project for Frontier Science(QYZDJ-SSW-DQC006) ; CAS/SAFEA International Partnership Program for Creative Research Teams(KZZD-EW-TZ-06) ; 41401044)
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18623
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Hu, Zhaoyong,Wang, Genxu,Sun, Xiangyang. Precipitation and air temperature control the variations of dissolved organic matter along an altitudinal forest gradient, Gongga Mountains, China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(11):10391-10400.
APA Hu, Zhaoyong,Wang, Genxu,&Sun, Xiangyang.(2017).Precipitation and air temperature control the variations of dissolved organic matter along an altitudinal forest gradient, Gongga Mountains, China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(11),10391-10400.
MLA Hu, Zhaoyong,et al."Precipitation and air temperature control the variations of dissolved organic matter along an altitudinal forest gradient, Gongga Mountains, China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.11(2017):10391-10400.
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