Calcium carbonate
; Ecology
; Ecosystems
; Lead
; Pollution
; Reefs
; Sediments
; Surficial sediments
; Trace elements
; Coral reef ecosystems
; Distribution of element
; Geo-accumulation index
; Potential ecological risk
; Sediment pollution
; Spatial risk assessment
; Surface sediments
; Trace element concentrations
; Risk assessment
; calcium carbonate
; coal
; copper
; gasoline
; lead
; manganese
; nickel
; trace element
; zinc
; heavy metal
; water pollutant
; concentration (composition)
; coral reef
; lead
; marine ecosystem
; risk assessment
; sediment pollution
; spatial analysis
; trace element
; accumulation index
; Article
; concentration (parameters)
; coral reef
; electric power plant
; environmental enrichment
; incineration
; India
; pollution monitoring
; risk assessment
; sediment
; surface property
; water pollution
; environmental monitoring
; island (geological)
; risk assessment
; water pollutant
; Gulf of Mannar
; Indian Ocean
; Anthozoa
; Coral Reefs
; Environmental Monitoring
; Geologic Sediments
; India
; Islands
; Lead
; Metals, Heavy
; Risk Assessment
; Trace Elements
; Water Pollutants, Chemical
Scopus学科分类:
Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要:
Forty eight surface sediment samples were collected from the vicinity of Van Island in order to assess the sediment pollution level and potential ecological risk on coral reef ecosystem. The analytical and correlation results indicate a distribution of elements is chiefly controlled by the CaCO3and OM. The enrichment factor and geoaccumulation index show the elevated level of Pb in the surface sediments is due to application of lead petrol and coal incinerating power plants. The sediment pollution index reveals that majority of the sediments falling under highly polluted sediment category (35.4%) followed by moderately polluted (25%) and dangerous sediment category (14.58%). The potential ecological risk suggests that nearly 66.6% of the samples falling under the low risk category, moderate risk category (20.8%) followed by considerable risk category (8.33%) and very high risk category (4.1%). The accumulation level of trace elements clearly suggests that the coral reef ecosystem is under low risk. � 2016 Elsevier Ltd
Department of Geology, University of Madras, Guindy campus, Chennai, India; Centre for GeoTechnology, Manonmaniam Sundaranar University, Tirunelveli, India; Department of environmental sciences, University of Kerala, Kariavattom campus, Thiruvananthapuram, India; Department of Geology, Anna University, Chennai, India
Recommended Citation:
Krishnakumar S.,Ramasamy S.,Chandrasekar N.,et al. Spatial risk assessment and trace element concentration in reef associated sediments of Van Island, southern part of the Gulf of Mannar, India[J]. Marine Pollution Bulletin,2017-01-01,115(2018-01-02)