"nutrient pollution"

#12665776

22 August 2025

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.

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#12665777

22 August 2025

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.

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#12665778

22 August 2025

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.

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#12665779

22 August 2025

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.

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#12665780

22 August 2025

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.

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#10574802

30 September 2023

An empty can was seen in the sea on September 30, 2023, in Jaffna, Sri Lanka. The increased concentration of chemicals, such as nitrogen and phosphorus, in the coastal ocean promotes the growth of algal blooms, which can be toxic to wildlife and harmful to humans. The negative effects on health and the environment caused by algal blooms hurt the local fishing and tourism industries.

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#10574804

30 September 2023

An empty can was seen in the sea on September 30, 2023, in Jaffna, Sri Lanka. The increased concentration of chemicals, such as nitrogen and phosphorus, in the coastal ocean promotes the growth of algal blooms, which can be toxic to wildlife and harmful to humans. The negative effects on health and the environment caused by algal blooms hurt the local fishing and tourism industries.

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#2049420

28 June 2017

A buoy surronded by algae. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049421

28 June 2017

Buoys surrounded by algae. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049422

28 June 2017

Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049423

28 June 2017

A plastic bottle in algae in the Garonne river. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049424

28 June 2017

Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049425

28 June 2017

Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049426

28 June 2017

A Cattle egret in the river Garonne. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049427

28 June 2017

A man practices water skiing in the Garonne river. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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#2049428

28 June 2017

A plastic bottle in algae in the Garonne river. Due to warm weather, low waters and intensive use of fertilizers (mainly nitrogen and phosphorus) by farmers, the Garonne river is victim of eutrophication. Green algae and plants blossom in the river bed. It disrupts normal functioning of the ecosystem, causing a variety of problems such as a lack of oxygen needed for fish and shellfish to survive. It can also reduce biodiversity in the river. Toulouse. France. June 27th 2017.

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