Oxygen depletion in Arctic lakes: circumpolar trends, biogeochemical processes, and implications of climate change

Y Klanten, RM Couture… - Global …, 2023 - Wiley Online Library
Polar amplification of climate change has the potential to cause large‐scale shifts in the
dissolved oxygen (DO) dynamics of Arctic lakes, with implications for fish survival …

Lacustrine leaf wax hydrogen isotopes indicate strong regional climate feedbacks in Beringia since the last ice age

WC Daniels, JM Russell, C Morrill, WM Longo… - Quaternary Science …, 2021 - Elsevier
Abstract The Late-Quaternary climate of Beringia remains unresolved despite the region's
role in modulating glacial-interglacial climate and as the likely conduit for human dispersal …

Declining greenness in Arctic-boreal lakes

C Kuhn, D Butman - Proceedings of the National Academy of Sciences, 2021 - pnas.org
The highest concentration of the world's lakes are found in Arctic-boreal regions [C.
Verpoorter, T. Kutser, DA Seekell, LJ Tranvik, Geophys. Res. Lett. 41, 6396–6402 (2014)] …

Tree line advance reduces mixing and oxygen concentrations in arctic–alpine lakes through wind sheltering and organic carbon supply

M Klaus, J Karlsson, D Seekell - Global Change Biology, 2021 - Wiley Online Library
Oxygen depletion in lake bottom waters has adverse impacts on ecosystem health including
decreased water quality from release of nutrients and reduced substances from sediments …

Sediment respiration drives circulation and production of CO2 in ice‐covered Alaskan arctic lakes

S MacIntyre, A Cortés, S Sadro - Limnology and Oceanography …, 2018 - Wiley Online Library
The goals of our study were to (1) quantify production of CO2 during winter ice‐cover in
arctic lakes,(2) develop methodologies which would enable prediction of CO2 production …

Nutrients and warming alter mountain lake benthic algal structure and function

IA Oleksy, JS Baron, WS Beck - Freshwater Science, 2021 - journals.uchicago.edu
In recent years, benthic algae have been increasing in abundance in the littoral zones of
oligotrophic lakes, but causality has been hard to assign. We used field and laboratory …

Regime shift in microalgal dynamics: Impact of water level changes on planktonic and benthic algal biomass

B Somogyi, H Li, K Tapolczai, AW Kovács… - Science of The Total …, 2024 - Elsevier
Whole-lake microalgal biomass surveys were carried out in Lake Balaton to investigate the
seasonal, spatial, and temporal changes of benthic algae, as well as to identify the drivers of …

Dissolved organic matter regulates nutrient limitation and growth of benthic algae in northern lakes through interacting effects on nutrient and light availability

ML Fork, J Karlsson… - … and Oceanography Letters, 2020 - Wiley Online Library
Widespread increases in dissolved organic matter (DOM) concentration across northern
lakes can alter rates of primary production by increasing nutrient availability and decreasing …

Diversity of cyanobacteria at the Alaska North Slope with description of two new genera: Gibliniella and Shackletoniella

O Strunecky, L Raabova, A Bernardova… - FEMS microbiology …, 2020 - academic.oup.com
The diversity of cyanobacteria along the Alaskan North Slope was investigated. We isolated
and cultivated 57 strains of cyanobacteria and sequenced a section of their rRNA operon …

Oxygen depletion and sediment respiration in ice‐covered arctic lakes

R Schwefel, S MacIntyre, A Cortés… - Limnology and …, 2023 - Wiley Online Library
Processes regulating the rate of oxygen depletion determine whether hypoxia occurs and
the extent to which greenhouse gases accumulate in seasonally ice‐covered lakes. Here …