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Life Sciences

Nova Southeastern University

Mercury

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Full-Text Articles in Physical Sciences and Mathematics

Assessment Of Metals In Tissues Of Marine-Associated Birds In South Florida, Caitlyn A. Nay May 2018

Assessment Of Metals In Tissues Of Marine-Associated Birds In South Florida, Caitlyn A. Nay

HCNSO Student Theses and Dissertations

Seabirds – broadly defined as any bird species associated with the marine environment – are exposed to a wide range of environmental contaminants. Vectors of exposure to metal pollution include by external contact, inhalation, and most often ingestion of food and incidental seawater. Seabirds are often considered marine ecosystem bioindicators due to their high trophic position, relatively long lifespan, and wide geographic ranges. We examined the concentration of total mercury (THg), lead (Pb), and cadmium (Cd), in the kidney, liver, breast muscle, and feathers of seven species of juvenile and adult seabirds commonly found in South Florida: brown pelican Pelecanus …


Climate Change, One Health And Mercury, L. K. Duffy, T. Vertigan, B. Dainowski, K. Dunlap, Amy Hirons Jun 2017

Climate Change, One Health And Mercury, L. K. Duffy, T. Vertigan, B. Dainowski, K. Dunlap, Amy Hirons

Marine & Environmental Sciences Faculty Articles

Climate change is occurring on both regional and global scales. The use and global distribution of toxic metals is increasing and affecting environmental, animal and human health as a result of air, water and food contamination. Mercury (Hg) in major forms Hg°, Hg2+ and methyl mercury (CH3Hg+) are increasingly available around the globe. Both metal and organic contaminants are impacting the health of all species on the planet. Mercury is an example of a metal that can cause or aggravate a disease state, for example, diabetes. Habitat stewardship is needed to maintain a healthy system, …


Biogeochemical Analysis Of Ancient Pacific Cod Bone Suggests Hg Bioaccumulation Was Linked To Paleo Sea Level Rise And Climate Change, Maribeth S. Murray, C. Peter Mcroy, L. K. Duffy, Amy Hirons, J. M. Schaaf, Robert P. Trocine, John Trefry Feb 2015

Biogeochemical Analysis Of Ancient Pacific Cod Bone Suggests Hg Bioaccumulation Was Linked To Paleo Sea Level Rise And Climate Change, Maribeth S. Murray, C. Peter Mcroy, L. K. Duffy, Amy Hirons, J. M. Schaaf, Robert P. Trocine, John Trefry

Marine & Environmental Sciences Faculty Articles

Deglaciation at the end of the Pleistocene initiated major changes in ocean circulation and distribution. Within a brief geological time, large areas of land were inundated by sea-level rise and today global sea level is 120 m above its minimum stand during the last glacial maximum. This was the era of modern sea shelf formation; climate change caused coastal plain flooding and created broad continental shelves with innumerable consequences to marine and terrestrial ecosystems and human populations. In Alaska, the Bering Sea nearly doubled in size and stretches of coastline to the south were flooded, with regional variability in the …