DOI: 10.1016/j.marpolbul.2015.04.040
Scopus记录号: 2-s2.0-84933671396
论文题名: The effect of sediment mimicking drill cuttings on deep water rhodoliths in a flow-through system: Experimental work and modeling
作者: Figueiredo M.A.O. ; Eide I. ; Reynier M. ; Villas-Bôas A.B. ; Tâmega F.T.S. ; Ferreira C.G. ; Nilssen I. ; Coutinho R. ; Johnsen S.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2015
卷: 95, 期: 1 起始页码: 81
结束页码: 88
语种: 英语
英文关键词: Calcareous algae
; Correlation analysis
; Environmental impact
; Multivariate data analysis
; Photosynthesis
; Sediment load
Scopus关键词: Algae
; Data handling
; Deepwater drilling
; Drills
; Efficiency
; Environmental impact
; Information analysis
; Multivariant analysis
; Photosynthesis
; Regression analysis
; Rock drills
; Correlation analysis
; Environmental Monitoring
; Exposure-response relationships
; Flow-through systems
; Multivariate data analysis
; Photosynthetic efficiency
; Sediment loads
; Statistical experimental design
; Sediments
; alga
; correlation
; deep water
; environmental impact
; environmental monitoring
; experimental study
; marine sediment
; modeling
; multivariate analysis
; photosynthesis
; rhodolith
; Article
; Brazil
; controlled study
; drill cutting
; environmental exposure
; environmental impact
; environmental monitoring
; experimental model
; flow through system
; industrial production
; light intensity
; nonhuman
; photosystem II
; red alga
; rhodolith
; sediment
; analysis
; drug effects
; environmental monitoring
; light
; photosynthesis
; physiology
; red alga
; sediment
; theoretical model
; water pollutant
; Brazil
; algae
; photosystem II
; water pollutant
; Brazil
; Environmental Monitoring
; Geologic Sediments
; Light
; Models, Theoretical
; Photosynthesis
; Photosystem II Protein Complex
; Rhodophyta
; Water Pollutants
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: The impact of sediment coverage on two rhodolith-forming calcareous algae species collected at 100m water depth off the coast of Brazil was studied in an experimental flow-through system. Natural sediment mimicking drill cuttings with respect to size distribution was used. Sediment coverage and photosynthetic efficiency (maximum quantum yield of charge separation in photosystem II, ϕPSIImax) were measured as functions of light intensity, flow rate and added amount of sediment once a week for nine weeks. Statistical experimental design and multivariate data analysis provided statistically significant regression models which subsequently were used to establish exposure-response relationship for photosynthetic efficiency as function of sediment coverage. For example, at 70% sediment coverage the photosynthetic efficiency was reduced 50% after 1-2weeks of exposure, most likely due to reduced gas exchange. The exposure-response relationship can be used to establish threshold levels and impact categories for environmental monitoring. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/86068
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
There are no files associated with this item.
作者单位: Instituto de Pesquisa Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão 915, Jardim Botânico, Rio de Janeiro, RJ, Brazil; Instituto Biodiversidade Marinha, Avenida Ayrton Senna 250, Sala 208, Barra da Tijuca, Rio de Janeiro, RJ, Brazil; Instituto de Estudos do Mar Almirante Paulo Moreira, Departamento de Oceanografia, Divisão de Biotecnologia Marinha, Rua Kioto 253, Arraial do Cabo, RJ, Brazil; Statoil ASA, Research, Development and Innovation, Trondheim, Norway; LABTOX - Laboratório de Análise Ambiental Ltda., Av. Carlos Chagas Filho, 791, Cidade Univ., Ilha do Fundao, Rio de Janeiro, RJ, Brazil; Trondhjem Biological Station, Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
Recommended Citation:
Figueiredo M.A.O.,Eide I.,Reynier M.,et al. The effect of sediment mimicking drill cuttings on deep water rhodoliths in a flow-through system: Experimental work and modeling[J]. Marine Pollution Bulletin,2015-01-01,95(1)