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13-06-2023, 10:06 AM
2 hours ago
QUINTANA, Texas (AP) — Tens of thousands of dead fish washed up on the Texas Gulf Coast over the weekend, covering the shoreline with rotting carcasses and leading local officials to warn visitors to keep away.
Waves from the Gulf of Mexico pushed in dead fish “by the thousands” Friday in Brazoria County, which is over 40 miles (64 kilometers) south of Houston
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Low levels of dissolved oxygen in the water made it difficult for the fish to breathe
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The phenomenon — known as a “fish kill” — is common as temperatures rise in the summer
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While no one has connected this specific incident to climate change, researchers have said such kills may become more prevalent as temperatures warm and oxygen levels in lakes across the United States and Europe drop.
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Dissolved oxygen levels increase with photosynthesis, the process by which plants transform sunlight, water and carbon dioxide into oxygen. When there is less sunlight, photosynthesis slows and at night it stops. But plants and animals in the water continue to consume oxygen at the same rate, decreasing the concentration (Levin's note: I thought there should be more sunlight during summer?)
https://apnews.com/article/texas-beach-f...3e5eb81e20
QUINTANA, Texas (AP) — Tens of thousands of dead fish washed up on the Texas Gulf Coast over the weekend, covering the shoreline with rotting carcasses and leading local officials to warn visitors to keep away.
Waves from the Gulf of Mexico pushed in dead fish “by the thousands” Friday in Brazoria County, which is over 40 miles (64 kilometers) south of Houston
......
Low levels of dissolved oxygen in the water made it difficult for the fish to breathe
......
The phenomenon — known as a “fish kill” — is common as temperatures rise in the summer
......
While no one has connected this specific incident to climate change, researchers have said such kills may become more prevalent as temperatures warm and oxygen levels in lakes across the United States and Europe drop.
......
Dissolved oxygen levels increase with photosynthesis, the process by which plants transform sunlight, water and carbon dioxide into oxygen. When there is less sunlight, photosynthesis slows and at night it stops. But plants and animals in the water continue to consume oxygen at the same rate, decreasing the concentration (Levin's note: I thought there should be more sunlight during summer?)
https://apnews.com/article/texas-beach-f...3e5eb81e20
