News of declining commercial fish stocks might bring saltwater images to mind. But in Argentina, scientists are warning about declining commercial-fish populations far from the coast—specifically, along the Paraná, South America’s second-longest river. And lawmakers are responding. The Argentine Congress has declared a one-year emergency during which exports of Paraná fish will be limited to 12,000 tons. That’s nearly a third of the volume that was exported in 2006, the last year for which figures are available. And—on paper, at least—the limits are all the more strict considering that nearly all of the Paraná catch typically is sold abroad. Authorities in the two affected provinces welcomed the measure, with Santa Fe’s new governor, Socialist Party member Hermes Binner, saying... [Log in to read more]