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| | NotiSur - Latin American Political Affairs; July 9, 1999 |
 | | Fish survive further downstream, in the department of Tarija, where pollutants in the Pilcomayo are diluted by tributaries. |
| | A decrease in the number and size of Pilcomayo fish in recent years has been blamed on a combination of factors, including pollution, overfishing, and construction of dams in Paraguay and Argentina, which block young fish from swimming upstream. |
| | Researchers say the shad are edible as long as the bones and entrails are not eaten, but consumers' fear about eating fish from the Pilcomayo has affected the income of the Guarani, who depend on selling their catch in city markets. |
| ssdc.ucsd.edu /news/notisur/h99/notisur.19990709.html (2952 words) |
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