Fish in Lake Geneva are facing significant threats as the lake warms and becomes stagnant, resulting in dwindling oxygen levels vital for aquatic life. Nicole Gallina from CIPEL highlights ongoing temperature increases that prevent essential winter mixing. Traditionally, cold winters facilitated mixing of surface and deeper waters, distributing oxygen. However, milder winters prevent this natural cycle, resulting in less viable habitats for organisms. Recent data indicates complete mixing has not occurred for thirteen winters, portraying an alarming trend linked to climate change affecting the lake’s ecology.
Fish populations in Lake Geneva are under threat as the lake's temperatures rise and oxygen levels drop, disrupting essential ecological mixing.
CIPEL's studies reveal that the increasingly mild winters caused by climate change hinder the natural winter mixing of the lake’s waters, harming aquatic life.
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