oxygen
; sea water
; water pollutant
; anaerobic growth
; analysis
; animal
; aquaculture
; bay
; bivalve
; chemistry
; drug effects
; environmental monitoring
; eutrophication
; foraminifer
; growth, development and aging
; procedures
; sediment
; South Korea
; toxicity
; water pollutant
; Anaerobiosis
; Animals
; Aquaculture
; Bays
; Bivalvia
; Environmental Monitoring
; Eutrophication
; Foraminifera
; Geologic Sediments
; Oxygen
; Republic of Korea
; Seawater
; 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:
Seawater monitoring and geochemical and benthic foraminiferal analysis of sediments were conducted to identify the effects of hypoxia created by a mussel farm on benthic foraminifera in a semi-closed bay. Extremely polluted reductive conditions with a high content of organic matter (OM) at > 12.0% and oxygen minimum zones (OMZs) with dissolved oxygen (DO) < 0.4 mg ∙ L–1were formed below the mussel farm in the northwest area of Gamak Bay, and gradually diffused toward the south. Highly similar patterns of variation were observed in species diversity, abundance frequency, and benthic foraminiferal assemblage distributed from Elphidium subarcticum–Ammonia beccarii in the northwest area through E. subarcticum–A. beccarii–Trochammina hadai, E. subarcticum–A. beccarii–Elphidium clavatum, and E. clavatum–Ammonia ketienziensis in the southern area. These phenomena were caused by hydrodynamics in the current water mass. It was thought that E. subarcticum is a bioindicator of organic pollution caused by the mussel farm. � 2016 Elsevier Ltd
Faculty of Marine Technology, Chonnam National University, 50 Daehak-ro, Yeosu, South Korea; Department of Aqualife Medicine, Chonnam National University, 50 Daehak-ro, Yeosu, South Korea; South Sea Fisheries Research Institute, NIFS, Yeosu, South Korea
Recommended Citation:
Lee Y.G.,Jeong D.U.,Lee J.S.,et al. Effects of hypoxia caused by mussel farming on benthic foraminifera in semi-closed Gamak Bay, South Korea[J]. Marine Pollution Bulletin,2016-01-01,109(1)