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Characteristics of early eutrophication encoded in submerged vegetation beyond water quality: a case study in Lake Erhai, China
He, Liang1,2; Zhu, Tianshun1,2; Cao, Te1; Li, Wei3; Zhang, Meng4; Zhang, Xiaoling1; Ni, Leyi1; Xie, Ping1
2015-09-01
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
Volume74Issue:5Pages:3701-3708
AbstractAs external nutrients inputs above a critical level may drive shallow lakes to shift from clear water to a turbid state, it is important to detect ecological changes of the lake at an early stage of the eutrophication process. In this way, it is possible to assess the stress tolerance of the system and thereby improve the possibilities for proper management. In this study, water quality parameters and the biomass of submerged macrophytes were examined monthly in two bays receiving contrast amounts of nutrient input of a large mesotrophic lake from August, 2011 to July, 2012. We found that effects of external nutrient input could not be explained by differences between the two bays in water quality parameters, such as total nitrogen, total phosphorus, chlorophyll a, light attenuation coefficient and water transparency (Secchi depth), but by the species composition and temporal variation of submerged vegetation. In the progress of eutrophication, the submerged macrophyte community changed from Potamogeton maackianus dominance to co-dominance of Ceratophyllum demersum and P. maackianus, and became more seasonally variable in biomass and coverage due to the shorter survivorship of C. demersum. We suggest that in the early stage of eutrophication, when submerged macrophytes are still abundant, water quality parameters should be coupled with monitoring of submerged vegetation to examine the effects of external nutrient loading on shallow lake ecosystems.
SubtypeArticle
KeywordExternal Nutrient Loading Eutrophication Water Quality Parameters Submerged Macrophytes Indicator
DOI10.1007/s12665-015-4202-4
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Geology ; Water Resources
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS KeywordAQUATIC MACROPHYTES ; CERATOPHYLLUM-DEMERSUM ; SHALLOW LAKES ; PHOSPHORUS ; INDICATORS ; SUBSTRATE ; POLLUTION ; DYNAMICS ; PATTERNS ; NITROGEN
WOS IDWOS:000360401400003
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27176
Collection淡水生态学研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanchang Inst Technol, Inst Ecol & Environm Sci, Nanchang 330099, Peoples R China
4.Jiangxi Acad Environm Sci, Nanchang 330029, Peoples R China
Recommended Citation
GB/T 7714
He, Liang,Zhu, Tianshun,Cao, Te,et al. Characteristics of early eutrophication encoded in submerged vegetation beyond water quality: a case study in Lake Erhai, China[J]. ENVIRONMENTAL EARTH SCIENCES,2015,74(5):3701-3708.
APA He, Liang.,Zhu, Tianshun.,Cao, Te.,Li, Wei.,Zhang, Meng.,...&Xie, Ping.(2015).Characteristics of early eutrophication encoded in submerged vegetation beyond water quality: a case study in Lake Erhai, China.ENVIRONMENTAL EARTH SCIENCES,74(5),3701-3708.
MLA He, Liang,et al."Characteristics of early eutrophication encoded in submerged vegetation beyond water quality: a case study in Lake Erhai, China".ENVIRONMENTAL EARTH SCIENCES 74.5(2015):3701-3708.
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