Nueva varazón de sardinas en costas chilenas

A sardine die-off was detected in southern Chile, with 500-600 tons of dead fish found near Toltén in the Auracanía region. A similar event occurred last month in the Cuelque River. The cause remains unknown, but it follows a government emergency declaration due to a red tide, a toxic microalgae bloom.

Where was the new mass death of sardines detected?

• Northern coast of Chile

• Southern coast of Chile

• Eastern coast of Chile

• Western coast of Chile

How many tons of sardines were found dead in the Toltén area?

• 700 to 800 tons

• 500 to 600 tons

• 300 to 400 tons

• 200 to 300 tons

What was the location of the similar sardine death event last month?

• Santiago River

• Cuelque River

• Toltén River

• Auracanía River

What natural phenomenon did the government declare an emergency zone for?

• Hurricane

• Red tide

• Earthquake

• Flood

What is the red tide known to cause?

• Increased fish population

• Toxic microalgae bloom

• Decrease in water levels

• Improved water quality