Title

Heavy Metal Analysis of Fish Inhabiting Varying Ocean Depth Zones

Abstract

The pollution of heavy metals into the ocean from many different sources is bio-accumulating into the marine food chain and is consequently spreading into deeper ocean zones. While there are studies analyzing heavy metal and other element concentrations in fish in various locations, none have specifically investigated how the isotopic ratios of these elements in fish differ through ocean depth zones. Our study used an FAAS and an ICP-MS to determine the concentrations of arsenic, barium, cadmium, chromium, cobalt, copper, lead, mercury, nickel, selenium, zinc and their respective isotopes in fish ranging from the epipelagic (<2,000 m) to the hadalpelagic (7,000-11,000 m) zones of the ocean.

Faculty Sponsor

Frank Dunnivant

Tracks

Secrets of the Deep II

Terms of Use

ARMINDA Terms of Use

Location

Science 100

Presentation Type

Oral Presentation

Research Funding Source or OCS Program

Perry Summer Research Grant

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Heavy Metal Analysis of Fish Inhabiting Varying Ocean Depth Zones

Science 100

The pollution of heavy metals into the ocean from many different sources is bio-accumulating into the marine food chain and is consequently spreading into deeper ocean zones. While there are studies analyzing heavy metal and other element concentrations in fish in various locations, none have specifically investigated how the isotopic ratios of these elements in fish differ through ocean depth zones. Our study used an FAAS and an ICP-MS to determine the concentrations of arsenic, barium, cadmium, chromium, cobalt, copper, lead, mercury, nickel, selenium, zinc and their respective isotopes in fish ranging from the epipelagic (<2,000 m) to the hadalpelagic (7,000-11,000 m) zones of the ocean.

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