Initial insights on the thermal ecology of lake whitefish in northwestern Lake Michigan

Reed, Kayla; Izzo, Lisa K.; Binder, Tom; Hayden, Todd A.; Dembkowski, Daniel J.; Hansen, Scott P.; Caroffino, David C.; Vandergoot, Christopher S.; Krueger, Charles C.; Isermann, Daniel A.

doi:10.1016/j.jglr.2023.03.002

Cited by 5 publications

(2 citation statements)

References 26 publications

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“…Specifically, a rise in water temperatures brought on by global warming has been found to lower whitefish biomass by 3-8% over a 50-year period, as shown by a mathematical model [34,35]. Thus, this work is of great importance, as whitefish stocks in some global reservoirs are currently in a critical condition [36][37][38][39].…”

Section: Introductionmentioning

confidence: 84%

“…That is why understanding their physiological capacity, in particular under the influence of critical temperature, is important. Whitefish juveniles, which are primarily cold-water fish, grow best in water between 13 and 18 • C [5,34,36,[47][48][49]. Higher temperatures above 22 • C slow growth [34,35,49,50], while temperatures above 26 • C are fatal to a number of whitefish species [34,[49][50][51][52].…”

Section: Introductionmentioning

confidence: 99%

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Thermal Preconditioning Alters the Stability of Hump-Snout Whitefish (Coregonus fluviatilis) and Its Hybrid Form, Showing Potential for Aquaculture

Sapozhnikova,

Koroleva,

Yakhnenko

et al. 2023

Biology

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One of the little-studied ways that climate warming or temperature increases in aquaculture could affect aquatic animals is through accelerated aging. This study is dedicated to understanding the principles of molecular and cellular aging in the target tissues of juvenile whitefishes (Yenisei hump-snout whitefish and its hybrid) under the influence of acute heat stress (up to 26 °C), and the effects of thermal preconditioning as pre-adaptation. Non-adapted stressed hump-snout whitefish showed a higher induction threshold for functionally active mitochondria in the blood and a decrease in telomerase activity in the liver after heat shock exposure as a long-term compensatory response to prevent telomere shortening. However, we observed heat-induced telomere shortening in non-adapted hybrids, which can be explained by a decrease in mitochondrial membrane stability and a gradual increase in energy demand, leading to a decrease in protective telomerase activity. The pre-adapted groups of hump-snout whitefish and hybrids showed a long-term or delayed response of telomerase activity to heat shock, which served as a therapeutic mechanism against telomere shortening. We concluded that the telomerase and telomere responses to thermal stress demonstrate plasticity of tolerance limits and greater stability in hump-snout whitefish compared with hybrids.

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Section: Introductionmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Thermal Preconditioning Alters the Stability of Hump-Snout Whitefish (Coregonus fluviatilis) and Its Hybrid Form, Showing Potential for Aquaculture

Sapozhnikova,

Koroleva,

Yakhnenko

et al. 2023

Biology

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Study of biological quality of lake waters based on phycocyanin using tree‐based methodologies

Kheimi,

Almadani,

Ramezani‐Charmahineh

et al. 2024

Ecohydrology

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The provision of drinking water, agricultural, and industrial applications by reservoirs has made lake exploration and monitoring unavoidable. The features of the ecosystem, particularly physical and chemical elements, influence the evaluation of the quality of water resources. Lakes undergo extensive qualitative changes due to their vast amount of water. In general, these bodies of water represent geological conditions as well as water contamination produced by natural and human activities. In the present research, the prediction of the amount of phycocyanin (fPC) in the water of Lake Michigan has been implemented employing four tree‐based machine learning techniques based on seasonality factors. Phycocyanin has significant effects on quality parameters such as turbidity, chlorophyll concentration, algal bloom, and dissolved oxygen in water by affecting the photosynthesis process of algae. Therefore, in this study, the prediction of the amount of phycocyanin dissolved in the lake water using the mentioned variables, along with the temperature of the water, specific conductance, and pH, has been able to interpret the quality of the water and the occurrence of phenomena such as algal blooms. The results of the models in predicting fPCs equal to 0.44 and 0.55 μg/L were consistent with the natural conditions of the lake, and it seems that ensemble tree–based models, along with the biological index of fPC, formed the right combination of input and output parameters in modeling and obtained the lowest prediction error (root‐mean‐square error [RMSE] boosted trees = 0.0140 and RMSE random forests = 0.0141 μg/L).

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Network of nearshore protected areas provides important benefits to lake whitefish in the Apostle Islands region of Lake Superior

Carl,

Sapper,

Seider

2024

Journal of Great Lakes Research

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Initial insights on the thermal ecology of lake whitefish in northwestern Lake Michigan

Cited by 5 publications

References 26 publications

Thermal Preconditioning Alters the Stability of Hump-Snout Whitefish (Coregonus fluviatilis) and Its Hybrid Form, Showing Potential for Aquaculture

Thermal Preconditioning Alters the Stability of Hump-Snout Whitefish (Coregonus fluviatilis) and Its Hybrid Form, Showing Potential for Aquaculture

Study of biological quality of lake waters based on phycocyanin using tree‐based methodologies

Network of nearshore protected areas provides important benefits to lake whitefish in the Apostle Islands region of Lake Superior

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