ニューヨーク・タイムズのインスタグラム(nytimes) - 4月3日 23時08分

Something ominous was happening in the turquoise waters of Sepetiba Bay, a booming port outside Rio de Janeiro. Beginning late last year, fishermen were coming across the scarred and emaciated carcasses of dolphins, sometimes 5 a day, bobbing up to the surface. Since then, scientists there have discovered more than 200 dead Guiana dolphins, a quarter of what was the world’s largest concentration of the species. The deaths, caused by respiratory and nervous system failures linked to a virus, have subsided, but scientists are working to unravel the mystery behind them. "When something is wrong with them, that indicates the whole ecosystem is fractured,” said Mariana Alonso, a biologist at the Biophysics Institute at the Federal University of Rio de Janeiro. The once sleepy fishing area with white sand beaches has transformed into one of the principal gateways for Brazilian exports over the past generation. The exponential growth of industries and ventures along Sepetiba Bay also generates a greater concentration of pollutants in the seafloor and in the food chain, Alonso said. Dado Galdieri photographed 2 field technicians measuring the body of a dead dolphin. Visit the link in our profile to read more.

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