Scientific Reports
| Autor: | Kang Xia, Minyue Dai, Chaoqi Chen, Haoliang Lu, Jie Zhang, Jingchun Liu, Hualong Hong, Chongling Yan |
|---|---|
| Přispěvatelé: | School of Plant and Environmental Sciences |
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
Geologic Sediments
land reclamation lcsh:Medicine 010501 environmental sciences Spartina alterniflora Poaceae 01 natural sciences nitrogen addition Article Land reclamation heavy-metals chinese salt-marsh lcsh:Science Ecosystem 0105 earth and related environmental sciences Total organic carbon Biomass (ecology) Multidisciplinary biology microbial biomass stress tolerance Ecology lcsh:R Sediment Heavy metals 04 agricultural and veterinary sciences Soil carbon Vegetation plant zonation biology.organism_classification Elements Environmental chemistry 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Environmental science lcsh:Q Seasons soil organic-carbon accumulation river estuary |
| Zdroj: | Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017) Scientific Reports |
| Popis: | This paper reports findings about the growth of Spartina alterniflora (Loisel.) near an engineered coastal protection defences to discover the potential influences on vegetation growth from the artificial topography. Impacts of the artificial topography on the sediment element composition were detected by comparing the fixed effects caused by artificial topography and wave exposure using linear mixed models. Surficial sediments under the impacts of artificial topography contain elevated levels of biogenic elements and heavy metals, including C (and organic carbon), N, S, Al, Fe, Mn, Cu, Zn, As, Cd, Cr, Ni, and Pb. The results showed that element enrichment caused by artificial topography reduced the vegetation sexual reproduction. Contrary to the potential inhibition caused by direct wave exposure, which was due to the biomass accumulation limit, the inhibition caused by artificial topography was related to the transition of growth strategy. The contents of Cu, Mn, N, Ni, S and As in the sediments were critical in considering the relationship between the change in the sediment element composition and the alteration in the plant growth. Our study emphasizes the importance of rethinking the impacts of coastal development projects, especially regarding the heterogeneity of sediment element composition and its ecological consequences. Ministry of Science and Technology of the People's Republic of China [2013CB956504]; National Natural Science Foundation of China [31530008, 31570503] This work was funded by the Ministry of Science and Technology of the People's Republic of China (2013CB956504) and the National Natural Science Foundation of China (31530008, 31570503). Professor Bangqin Huang from Xiamen University provided some insightful suggestions for a deeper discussion. We would like to express our sincere thanks to Professor John Merefield from University of Exeter for suggestion on scientific writing. We are also grateful to two anonymous referees for their constructive comments. |
| Databáze: | OpenAIRE |
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