Life under ice in Lake Onego (Russia) – an interdisciplinary winter limnology study

Wüest, Alfred; Pasche, Natacha; Ibelings, Bastiaan Willem; Sharma, Sapna; Filatov, Nikolai

doi:10.1080/20442041.2019.1634450

Cited by 7 publications

(5 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Multi‐disciplinary approaches, such as parallel winter measurement campaigns in the McMurdo Dry Valley lakes of Antarctica (Priscu, 1998) and in Lake Onego in Russia (Wüest et al., 2019) are invaluable and recommended. While there are methodological challenges associated with the ice‐cover season (Block et al., 2018), below we describe well‐tested approaches as well as new methods that are likely to lead to improved confluence of interdisciplinary observations.…”

Section: Methodsmentioning

confidence: 99%

Winter Limnology: How do Hydrodynamics and Biogeochemistry Shape Ecosystems Under Ice?

et al. 2021

View full text Add to dashboard Cite

The ice-cover period in lakes is increasingly recognized for its distinct combination of physical and biological phenomena and ecological relevance. Knowledge gaps exist where research areas of hydrodynamics, biogeochemistry and biology intersect. For example, density-driven circulation under ice coincides with an expansion of the anoxic zone, but abiotic and biotic controls on oxygen depletion have not been disentangled, and while heterotrophic microorganisms and migrating phytoplankton often thrive at the oxycline, the extent to which physical processes induce fluxes of heat and substrates that support under-ice food webs is uncertain. Similarly, increased irradiance in spring can promote growth of motile phytoplankton or, if radiatively driven convection occurs, more nutritious diatoms, but links between functional trait selection, trophic transfer to zooplankton and fish, and the prevalence of microbial versus classical food webs in seasonally ice-covered lakes remain unclear. Under-ice processes cascade into and from the ice-free season, and are relevant to annual cycling of energy and carbon through aquatic food webs. Understanding the coupling between state transitions and the reorganization of trophic hierarchies is essential for predicting complex ecosystem responses to climate change. In this interdisciplinary review we describe existing knowledge of physical processes in lakes in winter and the parallel developments in under-ice biogeochemistry and ecology. We then illustrate interactions between these processes, identify extant knowledge gaps and present (novel) methods to address outstanding questions.Plain Language Summary Winter is an important but poorly understood period for lake ecosystems at high latitudes. Incoming solar radiation is diminished by ice and (often) snow, flows of oxygen and substrates such as organic matter or nutrients from outside the lake are limited, and wind no longer causes turbulent mixing of the water column. The sediments become a source of heat as well as of solutes which drive denser water toward the bottom. The resulting density stratification creates a template for the development of winter ecosystems. Distinct oxygenated and oxygen-depleted zones will affect microbial community structure and the habitat and behavior of zooplankton and fish. Conditions can rapidly change in spring with increased irradiance and incoming snowmelt. This paper reviews how physical, biogeochemical and biological processes act together to shape aquatic ecosystems in winter and in spring. In addition, we present an overview of the unknowns regarding the interactions between the different processes, which can now be posed due to improved understanding of under-ice hydrodynamics and the nature of lake ice, of biogeochemistry, and of ecology. However, work to date has largely been conducted within distinct disciplines. We therefore outline interdisciplinary approaches that can bridge current knowledge gaps in winter limnology. JANSEN ET AL.

show abstract

Section: Methodsmentioning

confidence: 99%

Winter Limnology: How do Hydrodynamics and Biogeochemistry Shape Ecosystems Under Ice?

et al. 2021

View full text Add to dashboard Cite

show abstract

“…The physico-chemistry of the watershed area is described in other studies during the same sampling campaigns or previous expeditions − and summarized in Figure S1. Briefly, under ice-covered conditions, the mixing of SR with the lake water is controlled by the convection promoted by the light within the thin under-ice water layer (referred to as surface depth , Figure S1A).…”

Section: Methodsmentioning

confidence: 99%

Dissolved Organic Matter and Associated Trace Metal Dynamics from River to Lake, Under Ice-Covered and Ice-Free Conditions

Worms

Chmiel

Traber

et al. 2019

Environ. Sci. Technol.

Self Cite

View full text Add to dashboard Cite

The present study investigates the changes in dissolved organic matter (DOM) composition and its influences on trace metal dispersion from the Shuya River (SR) in the Petrozavodsk Bay of Lake Onega during icecovered and ice-free periods. Humic substances (HS) found in the SR dominated the composition of DOM through the river-bay-lake continuum in both periods. When the bay was ice-covered, both the aromaticity and the size of HS varied in the water column according to a horizontal stratification and decreased in the bay, while under ice-free conditions, they decreased along the river-lake gradient, suggesting in both cases a decrease in the proportion of HS with high aromatic character. These findings were associated with an overall decrease in the proportion of HS components that have the highest molecular masses. The quantification of metal bound to HS revealed that these characteristics were associated with a decrease in the binding capacity of the HS for Fe and Al but not Cu while dispersing in the bay to the lake. Pb was found to bind on HS, but its behavior in the bay could not be related to the HS dispersion nor to the changes in HS properties.

show abstract

“…Lake ice in general and that on large lakes in particular is a factor in the development of littoral geomorphology and plant and wildlife species (Bryan and Marcus 1972;Cox 1984). Indeed, ice and its cover may be a significant factor in the development of lacustrine biotopes and biocenoses (Greenbank 1945;Fang and Stefan 1998;McCord et al 2000;Shuter et al 2012;Santibáñez et al 2019;Wüest et al 2019). Ice phenology and changes to the lake ice regimen also influence local communities living near lakes throughout the temperate zone (Knoll et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Conditions of spatiotemporal variability of the thickness of the ice cover on lakes in the Tatra Mountains

Solarski

Szumny

2020

J. Mt. Sci.

View full text Add to dashboard Cite

This research aimed to identify the impact of local climatic and topographic conditions on the formation and development of the ice cover in high-mountain lakes and the representativeness assessment of periodic point measurements of the ice cover thickness by taking into consideration the role of the avalanches on the icing of the lakes. Field works included measurement of the ice and snow cover thickness of seven lakes situated in the Tatra Mountains (UNESCO biosphere reserve) at the beginning and the end of the 2017/2018 winter season. In addition, morphometric, topographic and daily meteorological data of lakes from local IMGW (Polish Institute of Meteorology and Water Management) stations and satellite images were used. The obtained results enabled us to quantify the impact of the winter eolian snow accumulation on the variation in ice thickness. This variation was ranging from several centimetres up to about 2 meters and had a tendency to increase during the winter season. The thickest ice covers occurred in the most shaded places in the direct vicinity of rock walls. The obtained results confirm a dominating role of the snow cover in the variation of the ice thickness within individual lakes.

show abstract

Life under ice in Lake Onego (Russia) – an interdisciplinary winter limnology study

Cited by 7 publications

References 13 publications

Winter Limnology: How do Hydrodynamics and Biogeochemistry Shape Ecosystems Under Ice?

Winter Limnology: How do Hydrodynamics and Biogeochemistry Shape Ecosystems Under Ice?

Dissolved Organic Matter and Associated Trace Metal Dynamics from River to Lake, Under Ice-Covered and Ice-Free Conditions

Conditions of spatiotemporal variability of the thickness of the ice cover on lakes in the Tatra Mountains

Contact Info

Product

Resources

About