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Spearfishing to depletion in Chile

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In theory, the evolution of scuba gear and wetsuits in spearfishing allow divers to produce a more abundant catch. However, Natalio Godoy from the Pontificia Universidad Católica de Chile and colleagues found that the spearfishers’ catches are becoming less diverse Read more ›

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Considering canopy cover in Ecuador

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Loss of canopy cover in rainforests—compared to the other fragmented habitats in Manabi in southwest Ecuador—leads to a region-wide loss of diversity in species interactions, said researchers from the University of Canterbury in New Zealand. As Jason Tilianakis and Etienne Read more ›

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The abandoned mutualist: When ants take their business elsewhere

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Ant-plant mutualisms are ubiquitous in tropical areas. In these examples of cooperation in nature, plants provide nutrition and shelter for ants that live on their leaves and branches. In return, the ants provide defense, kicking out (or even killing) any Read more ›

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Lizard Evolution and the Ants In Your Pants Dance

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Invasive red fire ants from South America have become a major pest in southwestern U.S., bringing their stinging venom and crop-destroying ways. In this edition of Field Talk, we catch up with Tracy Langkilde, assistant professor of biology at Penn Read more ›

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