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South Korea Green Algae Alert
Green algae cover the lake at Daecheong Lake in Daejeon, South Korea, on August 23, 2025. Green algae blooms occur when nutrients like nitrogen and phosphorus from land are washed into water bodies by rain, and water temperatures rise, creating ideal conditions for harmful cyanobacteria to thrive. Cyanobacteria, a type of phytoplankton, are essential components of aquatic ecosystems. However, when they proliferate excessively, they can produce foul odors, degrade water quality, and even cause fish deaths. This year, green algae in Daecheong Lake begin spreading in the latter part of last month. (Photo by Seung-il Ryu/NurPhoto)
Photo Details
| Photo ID | #12665777 |
|---|---|
| Date Taken | |
| Location | N/A |
| Photographer | Seung-il Ryu/NurPhoto |
| Category | Environmental Issue |
| Copyright | © 2026 NurPhoto - Seung-il Ryu/NurPhoto |
Related Keywords
Green algae
Green alga
Climate change
Environment
Heat wave
Temperature
Daejeon
South Korea
Green algae
Daecheong Lake
Algae blooms
Nutrients
Nitrogen
Phosphorus
Water bodies
Rain
Water temperatures
Cyanobacteria
Phytoplankton
Aquatic ecosystems
Proliferation
Foul odors
Water quality
Fish deaths
Spread
August 2025
Seung-il Ryu
NurPhoto
Harmful algae
Environmental impact
Lake ecosystem
Excessive growth
Algal bloom causes
Land runoff
Temperature rise
Ecosystem degradation
Harmful microorganisms
Water pollution
Lake contamination.
2026 NurPhoto. All rights reserved.
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