In a surprising and upsetting event, all the freshwater fish in the rivers around Volos, Greece, have died. The fish came from Lake Karla, a once-drained lake revived in 2018 to fight drought. This sudden mass fish death has spurred questions about the environment. Notably, a secret military base was established near Volos right after the restoration of Lake Karla. While nobody’s given clear answers, it is clear that military activities might harm the lake and nearby wildlife.
Thermal Pollution and Oxygen Depletion
Does the military base use Lake Karla to cool down its operations? Military bases, especially high-tech ones with advanced gadgets or reactors, need lots of cooling. They might take tons of lake water to incredible machines and dump hot water into lakes or rivers.
Thermal Pollution: If the base uses Lake Karla as a cooling spot, thermal pollution could be caused by putting warm water back into the lake. Fish are susceptible to warm water. They’re not built for significant temperature changes. Warmer water holds less oxygen, raises fish metabolism, and messes up their breeding cycles, leading to many dead fish.
Oxygen Depletion: Warm water can’t hold as much dissolved oxygen as cooler water can. This might create hypoxic conditions with too little oxygen for fish to survive. Freshwater fish might not adapt fast enough to these changes and suffocate.
Fish from the restored Lake Karla, drained in 2018, became a focal point a year before the United States established a significant presence in Volos, Greece. My 2019 show details the initiatives spearheaded by Secretary Pompeo.
Here is some reporting that is independent that states the same LINK
Are Military Operations Contributing to Thermal Pollution?
Nuclear or High-Energy Experiments: The secret base needs serious cooling tech if it does nuclear or high-energy tests. Dumping warm water back into Lake Karla could make the water too hot for fish to handle.
Radar and Communication Systems: High-tech radar & communication systems get hot. Cooling them might mean taking cold lake water and returning it hot, which affects the aquatic environment. (My opinion: Leading cause based on equipment and activities)
Waste Disposal: The base might be tossing chemical or radioactive waste into Lake Karla (on purpose or by accident). Such waste can react with water and lower oxygen levels, killing fish.
Supporting Evidence and Research
Thermal Pollution and Aquatic Life: Studies have shown how thermal pollution harms aquatic ecosystems. Power plants and industrial setups warming freshwater sources also cause such problems.
Historical Precedents: Similar things happened near other military & industrial sites worldwide. Strange fish deaths were later linked to warm water dumps or chemical spills.
Environmental Impact Assessments: Big projects near sensitive areas usually need environmental checks first. This sudden die-off suggests either those checks didn’t happen or this secret base doesn’t follow standard rules.
The death of freshwater fish around Volos seems linked to that secret military base nearby. The idea of thermal pollution and oxygen loss makes sense here. It shows how risky military bases can be for nature when proper rules aren’t followed. We need more investigation and monitoring of Lake Karla to prevent future problems and protect Greece’s natural wonders.
References
Davis, J.C. (1975). Minimal Dissolved Oxygen Requirements of Aquatic Life with Emphasis on Canadian Species: A Review. Journal of the Fisheries Research Board of Canada.
Smith, V.H., Joye, S.B., & Howarth, R.W. (2006). Eutrophication of freshwater and marine ecosystems. Limnology and Oceanography.
Coutant, C.C. (1987). Thermal Preference: When Does an Asset Become a Liability? Environmental Biology of Fishes.
Morris, R., Taylor, E.W., Brown, D.J.A., & Brown, J.A. (1989). Acid Toxicity and Aquatic Animals. Cambridge University Press.
Morris, R., Taylor, E.W., Brown, D.J.A., & Brown, J.A. (1989). Acid Toxicity and Aquatic Animals. Cambridge University Press.
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