Food preferences and Hg distribution in Chelonia mydas assessed by stable isotopes

MF Bezerra, LD Lacerda, CE Rezende… - Environmental …, 2015 - Elsevier
Mercury (Hg) is a highly toxic pollutant that poses in risk several marine animals, including
green turtles (Chelonia mydas). Green turtles are globally endangered sea turtle species …

Influence of size on total mercury (THg), methyl mercury (MeHg), and stable isotopes of N and C in green turtles (Chelonia mydas) from NE Brazil

CAB Rodriguez, LD de Lacerda, MF Bezerra… - … Science and Pollution …, 2020 - Springer
The green turtle (Chelonia mydas) is known to present an herbivorous diet as an adult;
however, juveniles may have an omnivore habit, and these changes in food preference may …

A Pilot Study of Mercury Distribution in the Carapace of Four Species of Sea Turtles from Northeastern Brazil

CA Barrios-Rodríguez, LD De Lacerda… - Bulletin of …, 2023 - Springer
Scutes present very complex morphologies with different growth rates at different areas of
the carapace that can change the accumulation process of essential and non-essential …

Biological and ecological traits rather than geography control mercury (Hg) in scutes of marine turtles from the Southwest Atlantic

CA Barrios-Rodriguez, MF Bezerra, N Ristau… - Marine Pollution …, 2024 - Elsevier
The use of sentinel species in monitoring programs for toxic metals such as mercury (Hg) is
essential to understand these pollutants' impact on the environment. For this purpose, it is …

Bioaccumulation of total mercury, copper, cadmium, silver, and selenium in green turtles (Chelonia mydas) stranded along the Potiguar Basin, northeastern Brazil

DSD de Farias, S Rossi, A da Costa Bomfim… - Chemosphere, 2022 - Elsevier
Sea turtles face several threats and pollution has become a major concern for their
conservation worldwide. We analyzed samples of the liver, muscles, and kidneys of 38 …

Pan-oceanic distribution of mercury (Hg) in sea turtles: a review

CAB Rodriguez, LD de Lacerda… - Endangered Species …, 2022 - int-res.com
With no known biological function, mercury (Hg) is highly toxic, bio-accumulates, and
biomagnifies up the food web. Long-living marine animals, such as sea turtles, can be …

Influence of feeding ecology on blood mercury concentrations in four species of turtles

CM Bergeron, JF Husak, JM Unrine… - … and Chemistry: An …, 2007 - Wiley Online Library
Mercury is a relatively well‐studied pollutant because of its global distribution, toxicity, and
ability to bioaccumulate and biomagnify in food webs; however, little is known about …

Nondestructive indices of mercury exposure in three species of turtles occupying different trophic niches downstream from a former chloralkali facility

WA Hopkins, C Bodinof, S Budischak, C Perkins - Ecotoxicology, 2013 - Springer
Turtles are useful for studying bioaccumulative pollutants such as mercury (Hg) because
they have long life spans and feed at trophic levels that result in high exposure to …

Mercury and methylmercury in carapace of the marine turtle Caretta caretta, in northeastern Brazil and its potential for environmental monitoring

CAB Rodriguez, MF Bezerra, CE Rezende… - Anais da Academia …, 2019 - SciELO Brasil
The present work tests the use of carapace fragments of the marine turtle Caretta caretta as
a tool for environmental biomonitoring of mercury (Hg) and to evaluate the influence of …

Mercury levels in muscle of six species of turtles eaten by people along the Rio Negro of the Amazon basin

L Schneider, L Belger, J Burger, RC Vogt… - Archives of …, 2010 - Springer
Mercury levels in the Amazon River are generally high, but there are no published studies
on Hg levels in turtles from the region. In this study, levels of Hg were examined in the …