globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2018.03.005
Scopus记录号: 2-s2.0-85043986492
论文题名:
Effects of different humic substances concentrations on root anatomy and Cd accumulation in seedlings of Avicennia germinans (black mangrove)
作者: Pittarello M.; Busato J.G.; Carletti P.; Zanetti L.V.; da Silva J.; Dobbss L.B.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2018
卷: 130
起始页码: 113
结束页码: 122
语种: 英语
英文关键词: Avicennia ; Biostimulant ; Cadmium ; Phytoremediation ; Root anatomy
Scopus关键词: Bioremediation ; Cadmium ; Dredging ; Sediments ; Avicennia ; Avicennia germinans ; Biostimulant ; Cadmium contamination ; Controlled conditions ; Phytoremediation ; Root anatomies ; Tropical ecosystems ; Plants (botany) ; cadmium ; phenol ; accumulation ; anatomy ; cadmium ; concentration (composition) ; humic substance ; mangrove ; phytoremediation ; pollution effect ; root ; seedling ; Article ; Avicennia germinans ; biomass ; chemical composition ; controlled study ; gas exchange ; humic substance ; hydrophilicity ; hydrophobicity ; infrared spectroscopy ; mangrove ; nonhuman ; phytoremediation ; plant growth ; plant root ; plant stem ; root development ; root length ; seedling ; Animalia ; Avicennia ; Avicennia germinans
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: Mangrove areas are among most threatened tropical ecosystems worldwide. Among polluting agents Cadmium is often found in high concentrations in mangrove sediments. Humic substances, complex biomolecules formed in soil and sediments during animal and plant residuals decomposition, have a known biostimulant activity and can be adopted to counteract various plant stresses. This study explores, in controlled conditions, the effect of humic substances on Avicennia germinans seedlings, with or without cadmium contamination. Humic compounds significantly changed plant root architecture, and, when coupled with cadmium, root anatomy and Cortex to Vascular Cylinder diameter ratio. These modifications led to lower Cd uptake by humic substances-treated plants. Humic substances amendment could be effective, depending on their concentrations, on improving plant health in mangrove areas, for forest recuperation and/or dredged sediments phytoremediation purposes. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/88318
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: University of Vila Velha, Ecology of organic matter laboratory, Biopraticas Compound, Vila Velha, ES, Brazil; University of Brasilia, Faculty of Agronomy and Veterinary Medicine, University Campus Darcy Ribeiro, Sciences Central InstituteFederal District, Brazil; Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Padova, Italy; Federal University of Espirito Santo, Biological sciences Department, Botany Sector, Vitoria, ES, Brazil; Embrapa Hortaliças, Rodovia BR-060, Km 09, Fazenda Tamanduà, Brasilia, DF, Brazil; Federal University of Vales do Jequitinhonha e Mucuri, Institute of Agricultural Sciences, Unaí, MG, Brazil

Recommended Citation:
Pittarello M.,Busato J.G.,Carletti P.,et al. Effects of different humic substances concentrations on root anatomy and Cd accumulation in seedlings of Avicennia germinans (black mangrove)[J]. Marine Pollution Bulletin,2018-01-01,130
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