• Eutrophication in one of the ponds at the Xixi wetlands which lie in the west of the city of Hangzhou. Eutrophication occurs when excess nitrates, normally from water pollution, enter the water causing the proliferation of algal blooms. Zhejiang Province. China. 2010
  • Eutrophication in one of the ponds at the Xixi wetlands which lie in the west of the city of Hangzhou. Eutrophication occurs when excess nitrates, normally from water pollution, enter the water causing the proliferation of algal blooms. Zhejiang Province. China. 2010
  • Eutrophication in one of the ponds at the Xixi wetlands which lie in the west of the city of Hangzhou. Eutrophication occurs when excess nitrates, normally from water pollution, enter the water causing the proliferation of algal blooms. Zhejiang Province. China. 2010
  • A polluted pond suffering from eutrophication, in a slum community in central Jakarta.<br />
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Image ID:1588089  <br />
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  • A polluted pond suffering from eutrophication, in a slum community in central Jakarta.<br />
<br />
To license this image, please contact the National Geographic Creative Collection:<br />
<br />
Image ID: 1588088 <br />
 <br />
Email: natgeocreative@ngs.org<br />
<br />
Telephone: 202 857 7537 / Toll Free 800 434 2244<br />
<br />
National Geographic Creative<br />
1145 17th St NW, Washington DC 20036
  • A pond in a community in central Jakarta, suffering from severe eutrophication, the process by which excess algae grows on the surface of the water as a result of excess nitrates in the water.
  • Residents of the Captain Bherry community in Kolkata gather around a water pump in the early morning. In the foreground a small pond is suffering from eutrophication, a phenomenon caused by excessive nutrients being released into the water, resulting in the proliferation of algae on the surface and subsequent death of aquatic life below. India. November, 2013
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