Climate change and mercury in the Arctic: biotic interactions

MA McKinney, J Chételat, SM Burke, KH Elliott… - Science of the Total …, 2022 - Elsevier
Global climate change has led to profound alterations of the Arctic environment and
ecosystems, with potential secondary effects on mercury (Hg) within Arctic biota. This review …

Percentage of methylmercury in the muscle tissue of freshwater fish varies with body size and age and among species

GL Lescord, TA Johnston… - Environmental …, 2018 - Wiley Online Library
It is commonly assumed that most (> 95%) of the mercury (Hg) found in fish muscle is the
toxic form, methylmercury (MeHg), due to its efficient assimilation and retention in biotic …

[HTML][HTML] Arctic methylmercury cycling

S Jonsson, MN Mastromonaco, F Wang… - Science of the Total …, 2022 - Elsevier
Anthropogenic mercury (Hg) undergoes long-range transport to the Arctic where some of it is
transformed into methylmercury (MeHg), potentially leading to high exposure in some Arctic …

Nutritional quality of littoral macroinvertebrates and pelagic zooplankton in subarctic lakes

J Vesterinen, O Keva, KK Kahilainen… - Limnology and …, 2021 - Wiley Online Library
Littoral benthic primary production is considered the most important energy source of
consumers in subarctic lakes. We analyzed essential fatty acid (EFA) and amino acid (EAA) …

[HTML][HTML] Environmental and biological factors are joint drivers of mercury biomagnification in subarctic lake food webs along a climate and productivity gradient

N Kozak, SA Ahonen, O Keva, K Østbye… - Science of the Total …, 2021 - Elsevier
Subarctic lakes are getting warmer and more productive due to the joint effects of climate
change and intensive land-use practices (eg forest clear-cutting and peatland ditching) …

Species-and habitat-specific bioaccumulation of total mercury and methylmercury in the food web of a deep oligotrophic lake

M Arcagni, R Juncos, A Rizzo, M Pavlin, V Fajon… - Science of the Total …, 2018 - Elsevier
Niche segregation between introduced and native fish in Lake Nahuel Huapi, a deep
oligotrophic lake in Northwest Patagonia (Argentina), occurs through the consumption of …

[HTML][HTML] Fish muscle mercury concentration and bioaccumulation fluctuate year-round-Insights from cyprinid and percid fishes in a humic boreal lake

AJ Piro, SJ Taipale, HM Laiho, ES Eerola… - Environmental …, 2023 - Elsevier
Boreal lakes demonstrate pronounced seasonality, where the warm open-water season and
subsequent cold and ice-covered season dominate natural cycles. While fish muscle total …

Climate and productivity affect total mercury concentration and bioaccumulation rate of fish along a spatial gradient of subarctic lakes

SA Ahonen, B Hayden, JJ Leppänen… - Science of the Total …, 2018 - Elsevier
Climate change is resulting in increased temperatures and precipitation in subarctic regions
of Europe. These changes are extending tree lines to higher altitudes and latitudes, and …

Total mercury concentrations in liver and muscle of European whitefish (Coregonus lavaretus (L.)) in a subarctic lake-Assessing the factors driving year-round …

O Keva, B Hayden, C Harrod, KK Kahilainen - Environmental Pollution, 2017 - Elsevier
Subarctic lakes are characterised by extreme seasonal variation in light and temperature
which influences growth, maturation, condition and resource use of fishes. However, our …

[HTML][HTML] Investigating effects of climate-induced changes in water temperature and diet on mercury concentrations in an Arctic freshwater forage fish

SM Laske, SM Burke, MP Carey, HK Swanson… - Environmental …, 2023 - Elsevier
The amount of mercury (Hg) in Arctic lake food webs is, and will continue to be, affected by
rapid, ongoing climate change. At warmer temperatures, fish require more energy to sustain …