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3 octobre 2017

Putting ecology theory to work : trends and opportunities in ecological restoration [The Applied Ecologist’s blog]

Community ecology and restoration ecology are often considered complementary fields. Ecologists recognize that the science of ecology provides solid conceptual foundations on which to construct hypothesis-driven restoration research. By extension, restoration offers unique opportunities to empirically test those foundations while simultaneously addressing urgent environmental issues.

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28 septembre 2017

Emerging infectious disease threatens Darwin’s frog with extinction [Zoological Society of London]

The Darwin’s frog (Rhinoderma darwinii) is the latest amphibian species to face extinction due to the global chytridiomycosis pandemic, according to an international study published today in the journal Proceedings of the Royal Society of London B.

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28 septembre 2017

Un énorme rat découvert aux îles Salomon [Radio-Canada]

Une espèce géante de rat, qui est capable de percer les noix de coco avec ses dents, vit dans la dense forêt tropicale des îles Salomon.

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28 septembre 2017

‘Invasive’ snake is really a new species and should be protected [New Scientist]

On an island off the coast of West Africa lives a deadly snake. Pictured above, it was thought to be an introduced species and plans were afoot to wipe it out. Now it turns out to be a species unique to the island, one that should be conserved.

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27 septembre 2017

How did dinosaurs evolve beaks and become birds ? Scientists think they have the answer [Phys]

Once you know that many dinosaurs had feathers, it seems much more obvious that they probably evolved into birds. But there’s still a big question. How did a set of dinosaurian jaws with abundant teeth (think T. rex) turn into the toothless jaws of modern birds, covered by a beak ? Two things had to happen in this transition, suppression of the teeth and growth of the beak. Now new fossil evidence has shown how it happened.

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