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7 novembre 2016

Birds are more like ‘feathered apes’ than ‘bird brains’ [The Guardian]

For centuries scientists dismissed birds as dumb based on physical differences in their brains. How wrong we were.

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5 novembre 2016

Tadpoles eat more greens during heat waves [Uppsala University]

Of the many ecological questions unfolded by climate change, the potential influence of temperature on the feeding preferences of organisms is currently gathering a great deal of attention in the scientific community. In a new study, published in the journal Ecology, researchers show that three species of tadpoles generally increased herbivory under simulated heat wave scenarios.

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3 novembre 2016

Measuring Forest Conservation Effectiveness – How Effective Are Tropical Forest Conservation Policies ? [PLOS - Blogs]

Scholars and practitioners have repeatedly called for more and better impact evaluation of conservation policies. The PLOS Measuring Forest Conservation Effectiveness Collection brings together a series of studies that evaluate the effectiveness of tropical forest conservation policies and programs, such as protected areas, forest law enforcement, payments for ecosystem services, certification, and community-based forest management. Here, the Center for International Forestry Research (CIFOR) explain the benefit of using numbers to better evaluate conservation policies and understand why certain initiatives outperform others.

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3 novembre 2016

Les arbres rafraîchissent l’air des villes tout en réduisant leur pollution [Le Monde - Planète]

Selon une étude de l’ONG Nature Conservancy, en investissant à peine 3,6 euros par habitant dans la plantation d’arbres, les villes pourraient sauver entre 11 000 et 37 000 vies par an.

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3 novembre 2016

Bees collect honeydew from bugs before spring blossoms arrive [New Scientist]

Need a sugar fix ? When nectar is scarce, bees can tap into another source of sweet stuff : the droppings left behind by other insects.

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