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Full-Text Articles in Marine Biology
Element Contamination In Port Everglades – Preparing For Ecological Impacts, Laura White
Element Contamination In Port Everglades – Preparing For Ecological Impacts, Laura White
All HCAS Student Capstones, Theses, and Dissertations
Port dredging is of economic importance worldwide but its impacts to the marine environment through the remobilization of elemental contaminants are not well understood. A massive deepening and widening of Port Everglades, Florida, will begin in 2023. Contaminated sediment disturbed during the dredging process could be released and prove to be harmful to three coral reef tracks located beginning 1.5 miles away from the port. This study focused on identifying and quantifying 14 different trace elements: arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), mercury (Hg), lead (Pb), manganese (Mn), molybdenum (Mo), nickel (Ni), selenium (Se), tin (Sn), …
Peruvian Fur Seals As Archivists Of El Niño Southern Oscillation Effects, Mickie Rae Edwards, Susana Cardenas-Alayza, Michael Adkesson, Mya Daniels-Abdulahad, Amy Hirons
Peruvian Fur Seals As Archivists Of El Niño Southern Oscillation Effects, Mickie Rae Edwards, Susana Cardenas-Alayza, Michael Adkesson, Mya Daniels-Abdulahad, Amy Hirons
Marine & Environmental Sciences Faculty Articles
Peru’s coastal waters are characterized by significant environmental fluctuation due to periodic El Niño- La Niña- Southern Oscillation (ENSO) events. This variability results in ecosystem-wide food web changes which are reflected in the tissues of the Peruvian fur seal (Arctocephalus australis). Stable isotope ratios (δ13C and δ15N) in Peruvian fur seal vibrissae (whiskers) are used to infer temporal primary production and dietary variations in individuals. Sea surface temperature anomaly (SSTA) recordings from the Niño 1+2 Index region captured corresponding ENSO conditions. Fluctuations in δ15N values were correlated to SSTA records, indicating that …
Temporal Baseline Of Essential And Non-Essential Elements Recorded In Baleen Of Western Arctic Bowhead Whale (Balaena Mysticetus), Samantha Shore, Dimitri Giarikos, Lawrence K. Duffy, Mickie Rae Edwards, Amy Hirons
Temporal Baseline Of Essential And Non-Essential Elements Recorded In Baleen Of Western Arctic Bowhead Whale (Balaena Mysticetus), Samantha Shore, Dimitri Giarikos, Lawrence K. Duffy, Mickie Rae Edwards, Amy Hirons
Marine & Environmental Sciences Faculty Articles
This study established the first baseline of changing elemental concentrations in bowhead whale baleen over time (1958–1999). From previously published stable isotope data, year, season (summer or winter), and location (Beaufort or Bering/Chukchi seas) were attributed to each sample. Thirteen elements (Al, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, V, Zn) in baleen from nine subsistence-harvested bowhead whales (n = 138) were detected. Al, Cu, and Fe were the highest concentrations while Cd and V were among the lowest. Our data supports absorption as the main route of exposure to environmental elements rather than biomagnification due to …