Sep
29

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Would you like some mercury with that fish?

Several small studies have shown that some fish in the Madre de Dios region in southeastern Peru contain dangerous levels of mercury. A larger study of mercury in fish and in people will soon get under way under the direction of Luis Fernández, a tropical ecologist from the  Carnegie Institution for Science  at Stanford University.
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Peru and Beyond

Coastal current

Sunday, September 29, 2013

The coastal ecosystems and the civilizations that flourished on the Peruvian coast have been shaped by Pacific currents. The Peruvian or Humboldt Currentflowing northward along the coast of South America,…

Tropical Andes

Sunday, September 29, 2013

The uplifting of the Andes Mountains formed an unusual ecosystem on the eastern slope of the range, where the headwaters of the Amazon River system lie. The east-west winds that blow over South America pick up…

World’s oceans get a barely passing grade

Sunday, September 22, 2013

We call our planet Earth, but we tend to forget that it is really mostly water. And what is the state of the world’s marine environments? A new Ocean…