Poster or Presentation Title

Metal Contaminants in Cape Cod Harbors

Student Author Information

Rachel MurrayFollow

Access Type

Campus Access Only

Presentation Type

Oral Presentation

Start Date

April 2019

Department

Environmental Science

Abstract

Metal Contaminants in Cape Cod Harbors

Rachel Murray

University of Lynchburg, Lynchburg, VA 24501

Advisor: Anne Giblin

The Ecosystems Center at the Marine Biological Laboratory

Woods Hole, MA 02543

In this study, I measured the concentrations of copper, chromium, zinc, and lead in the sediments of three harbors. I wanted to see if the zinc and chromium that ingredients in boat paint and copper from dock lumber are settling into the sediment beds at each harbor. I also wanted to see if marine organisms could accumulate concentrations of these metals.

I collected sediment cores from three harbors in Falmouth, MA and tested for four types of heavy metals: copper, chromium, zinc, and lead. I also collected two species of the red algae Gracilaria tikvahiae and Gracilaria vermiculophylla and exposed them to a block of pressure treated lumber to see if the algae was able to accumulate the copper leached out for the pressure treated lumber.

KEYWORDS: Copper, Chromium, Zinc, Lead, Sediments, Marine Harbors, Pressure Treated Lumber, Antifouling paint, Gracilaria vermiculophylla, Gracilaria tikvahiae

Faculty Mentor(s)

Anne Giblin

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Apr 10th, 9:00 AM

Metal Contaminants in Cape Cod Harbors

Metal Contaminants in Cape Cod Harbors

Rachel Murray

University of Lynchburg, Lynchburg, VA 24501

Advisor: Anne Giblin

The Ecosystems Center at the Marine Biological Laboratory

Woods Hole, MA 02543

In this study, I measured the concentrations of copper, chromium, zinc, and lead in the sediments of three harbors. I wanted to see if the zinc and chromium that ingredients in boat paint and copper from dock lumber are settling into the sediment beds at each harbor. I also wanted to see if marine organisms could accumulate concentrations of these metals.

I collected sediment cores from three harbors in Falmouth, MA and tested for four types of heavy metals: copper, chromium, zinc, and lead. I also collected two species of the red algae Gracilaria tikvahiae and Gracilaria vermiculophylla and exposed them to a block of pressure treated lumber to see if the algae was able to accumulate the copper leached out for the pressure treated lumber.

KEYWORDS: Copper, Chromium, Zinc, Lead, Sediments, Marine Harbors, Pressure Treated Lumber, Antifouling paint, Gracilaria vermiculophylla, Gracilaria tikvahiae