Geographic drivers of mercury entry into aquatic food webs revealed by mercury stable isotopes in dragonfly larvae

SE Janssen, CJ Kotalik, JJ Willacker… - Environmental …, 2024 - ACS Publications
Atmospheric mercury (Hg) emissions and subsequent transport and deposition are major
concerns within protected lands, including national parks, where Hg can bioaccumulate to …

Reservoir stratification modulates the influence of impoundments on fish mercury concentrations along an arid land river system

JJ Willacker, CA Eagles-Smith… - Environmental …, 2023 - ACS Publications
Impoundment is among the most common hydrologic alterations with impacts on aquatic
ecosystems that can include effects on mercury (Hg) cycling. However, landscape-scale …

Habitat and dissolved organic carbon modulate variation in the biogeochemical drivers of mercury bioaccumulation in dragonfly larvae at the national scale

SJ Nelson, J Willacker, C Eagles-Smith, CF Pritz… - Science of the Total …, 2024 - Elsevier
We paired mercury (Hg) concentrations in dragonfly larvae with water chemistry in 29 US
national parks to highlight how ecological and biogeochemical context (habitat, dissolved …

[HTML][HTML] Connecting tributary mercury loads to nearshore and offshore sediments in Lake Superior

SE Janssen, MT Tate, ED Dantoin, CT Filstrup… - Journal of Great Lakes …, 2025 - Elsevier
Lake Superior has a vast and largely undeveloped watershed in comparison to the other
Great Lakes, which makes it challenging to study mercury (Hg) sources and cycling. To …

Methylmercury demethylation and volatilization by animals expressing microbial enzymes

K Tepper, J King, P Manuneedhi Cholan… - Nature …, 2025 - nature.com
Mercury is a highly toxic trace metal that readily biomagnifies in food webs where it is
inaccessible to current bioremediation methods. Animals could potentially be engineered to …

Shifting sources and fates of carbon with increasing hydrologic presses and pulses in coastal wetlands

KJ Anderson, JS Kominoski… - Journal of …, 2024 - Wiley Online Library
Coastal ecosystems are rapidly shifting due to changes in hydrologic presses (eg, sea‐level
rise) and pulses (eg, seasonal hydrology, disturbances, and restoration of degraded …

Using Crocodylians for monitoring mercury in the tropics

J Lemaire - Ecotoxicology, 2023 - Springer
Mercury contamination is a widespread phenomenon that impacts ecosystems worldwide.
Artisanal Small Scale Gold Mining (ASGM) activities are responsible for more than a third of …

Enhancing the photothermal catalytic efficiencies of Hg0 and NO with Bi2O3/TiO2 modified by reduced graphene oxide (rGO)

TY Tsai, JR Zheng, CS Yuan, TY Chen… - Journal of Environmental …, 2024 - Elsevier
This study aimed to develop novel photothermal catalysts to simultaneously remove Hg 0
and NO at lower temperatures of 100–200° C. A new type of photothermal catalysts …

Wet–dry cycles influence methylmercury concentrations in water in seasonal prairie wetland ponds

BD Hall, S Liu, CGJ Hoggarth, LM Bates, SA Boczulak… - Facets, 2023 - facetsjournal.com
Methylmercury concentrations [MeHg] in whole water were measured in 28 prairie wetland
ponds in central Saskatchewan between 2006 and 2012. Ponds fell into four land use …

Simulated Sea Level Rise in Coastal Peat Soils Stimulates Mercury Methylation

BA Cook, BD Peterson, JM Ogorek… - ACS Earth and Space …, 2024 - ACS Publications
Coastal wetlands are vulnerable to sea level rise with unknown consequences for mercury
(Hg) cycling, particularly the potential for exacerbating neurotoxic methylmercury (MeHg) …