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Associations between the morphology and biomechanical properties of submerged macrophytes: implications for its survival and distribution in Lake Erhai
Zhu, Guorong1,2; Zhang, Meng3; Cao, Te1; Ni, Leyi1
2015-09-01
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
Volume74Issue:5Pages:3907-3916
AbstractSubmerged macrophytes mainly distribute in the wind-protected littoral zones, rather than continuously distribute around the lake due to mechanical damage by strong wave. However, it is unknown how the biomechanical properties, the key targets against mechanical stress, contribute to its survival and distribution in natural aquatic ecosystem. In this study, the distribution, plant growth, and leaf biomechanical and morphological traits of different segments of Vallisneria natans were examined at 25 sites with three wind strength [sites exposed to strong ES wind (HW), sites exposed to moderate ES wind (MW) and sites sheltered by lakeshore with weak wind disturbance], in Lake Erhai, of Yunnan Province, China. Results showed that V. natans mainly distributed in the wind-protected eastern and northern littoral zones within 5 m water depth. The smallest plant growth, strongest and least flexible leaves were at MW, indicating that V. natans is prone to dominate the littoral zones exposed to strong but short wave. Additionally, the high plant growth and relatively stronger and less flexible leaves at HW suggested that the maximization of photosynthesis was at the cost of reduced biomechanical properties and increased drag forces from similar waves, which were unfavourable to complete their life cycles and ultimately reduce the survival and distribution of V. natans under strong wave disturbance. The significant associations between the biomechanical and morphological traits may trigger trade-offs between the mechanical resistance and other plant functions, such as photosynthesis, ultimately determining survival and distribution of submerged macrophytes in natural aquatic ecosystems.
SubtypeArticle
KeywordHydraulic Forces Spatial Distribution Biomechanical Properties Trade-off Vallisneria Natans
DOI10.1007/s12665-015-4267-0
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 KeywordINCREASED WATER-LEVEL ; AQUATIC PLANTS ; PHENOTYPIC PLASTICITY ; MECHANICAL RESISTANCE ; HYDRAULIC FORCES ; SHALLOW LAKES ; SEDIMENT TYPE ; MOVING WATER ; VEGETATION ; DEPTH
WOS IDWOS:000360401400022
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27170
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.Henan Normal Univ, Coll Fisheries, Xinxiang 453007, Peoples R China
3.Jiangxi Acad Environm Sci, Nanchang 330029, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Guorong,Zhang, Meng,Cao, Te,et al. Associations between the morphology and biomechanical properties of submerged macrophytes: implications for its survival and distribution in Lake Erhai[J]. ENVIRONMENTAL EARTH SCIENCES,2015,74(5):3907-3916.
APA Zhu, Guorong,Zhang, Meng,Cao, Te,&Ni, Leyi.(2015).Associations between the morphology and biomechanical properties of submerged macrophytes: implications for its survival and distribution in Lake Erhai.ENVIRONMENTAL EARTH SCIENCES,74(5),3907-3916.
MLA Zhu, Guorong,et al."Associations between the morphology and biomechanical properties of submerged macrophytes: implications for its survival and distribution in Lake Erhai".ENVIRONMENTAL EARTH SCIENCES 74.5(2015):3907-3916.
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