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3 avril 2017

Les tourbillons d’un fleuve peuvent faire émerger de nouvelles espèces de poissons [Science & Vie]

Dans le fleuve Congo, deux populations de poissons Teleogramma, séparées par des rapides, n’échangent plus aucun gène... assiste-t-on à l’émergence de nouvelles espèces à part entière ?

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3 avril 2017

Forest fragmentation may be releasing much more carbon than we think [Mongabay]

A new study dramatically adds to current estimates of carbon emissions from tropical deforestation.

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31 mars 2017

Tiny frogs face a troubled future in New Guinea’s tropical mountains [The Conversation]

At night, the mountain forests of New Guinea come alive with weird buzzing and beeping calls made by tiny frogs, some no bigger than your little fingernail.

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31 mars 2017

UK plans to bring 20 species back from brink of extinction [New Scientist]

Little-known insects such as the bearded false darkling beetle and the royal splinter cranefly, as well as plants including the prostrate perennial knawel and interrupted brome are among the 20 species being targeted for action.

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30 mars 2017

Social bees have kept their gut microbes for 80 million years [Phys]

About 80 million years ago, a group of bees began exhibiting social behavior, which includes raising young together, sharing food resources and defending their colony. Today, their descendants—honey bees, stingless bees and bumble bees—carry stowaways from their ancient ancestors : five species of gut bacteria that have evolved along with the host bees.

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