Methylmercury exposure in wildlife: a review of the ecological and physiological processes affecting contaminant concentrations and their interpretation

J Chételat, JT Ackerman, CA Eagles-Smith… - Science of the Total …, 2020 - Elsevier
Exposure to methylmercury (MeHg) can result in detrimental health effects in wildlife. With
advances in ecological indicators and analytical techniques for measurement of MeHg in a …

Global mercury concentrations in biota: Their use as a basis for a global biomonitoring framework

DC Evers, JT Ackerman, S Åkerblom, D Bally, N Basu… - Ecotoxicology, 2024 - Springer
An important provision of the Minamata Convention on Mercury is to monitor and evaluate
the effectiveness of the adopted measures and its implementation. Here, we describe for the …

Methylmercury effects on birds: A review, meta‐analysis, and development of toxicity reference values for injury assessment based on tissue residues and diet

JT Ackerman, SH Peterson… - Environmental …, 2024 - academic.oup.com
Birds are used as bioindicators of environmental mercury (Hg) contamination, and toxicity
reference values are needed for injury assessments. We conducted a comprehensive …

Maternal transfer of contaminants in birds: mercury and selenium concentrations in parents and their eggs

JT Ackerman, CA Eagles-Smith, MP Herzog… - Environmental …, 2016 - Elsevier
We conducted a detailed assessment of the maternal transfer of mercury and selenium to
eggs in three bird species (n= 107 parents and n= 339 eggs), and developed predictive …

Significant biomagnification of methylmercury in songbird nestlings through a rice-based food web: Insights from stable mercury isotopes

Z Xu, Q Lu, D Jia, S Li, K Luo, T Su, Z Chen… - Journal of Hazardous …, 2024 - Elsevier
To elucidate the sources and transfer of mercury (Hg) in terrestrial food chains, particularly in
heavily Hg-contaminated rice paddy ecosystems, we collected rice leaves, invertebrates …

Mercury concentrations vary within and among individual bird feathers: a critical evaluation and guidelines for feather use in mercury monitoring programs

SH Peterson, JT Ackerman, M Toney… - Environmental …, 2019 - academic.oup.com
Feathers are widely used to represent mercury contamination in birds. Yet, few
recommendations exist that provide guidance for using bird feathers in mercury monitoring …

Mercury contamination in resident and migrant songbirds and potential effects on body condition

JT Ackerman, CA Hartman, MP Herzog - Environmental Pollution, 2019 - Elsevier
Methlymercury is a significant risk to environmental health globally. We examined the
ecological drivers of methylmercury bioaccumulation in songbirds and its effect on body …

Spatial variation of mercury bioaccumulation in bats of Canada linked to atmospheric mercury deposition

J Chételat, MBC Hickey, AJ Poulain, A Dastoor… - Science of the Total …, 2018 - Elsevier
Wildlife are exposed to neurotoxic mercury at locations distant from anthropogenic emission
sources because of long-range atmospheric transport of this metal. In this study, mercury …

Aquatic methylmercury is a significant subsidy for terrestrial songbirds: Evidence from the odd mass-independent fractionation of mercury isotopes

Z Xu, Q Lu, X Xu, L Liang, KS Abeysinghe… - Science of The Total …, 2023 - Elsevier
In contrast to aquatic food chains, knowledge of the origins and transfer of mercury (Hg) and
methylmercury (MeHg) in terrestrial food chains is relatively limited, especially in songbirds …

Songbird feathers as indicators of mercury exposure: high variability and low predictive power suggest limitations

KE Low, DK Ramsden, AK Jackson, C Emery… - Ecotoxicology, 2020 - Springer
Although feathers are commonly used to monitor mercury (Hg) in avian populations, their
reliability as a sampling matrix has not been thoroughly assessed for many avian species …