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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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3 novembre 2016

Ant genomes rewrite history of Panama land bridge [Nature]

Genetic analysis suggests connection between the Americas emerged millions of years earlier than previously thought.

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3 novembre 2016

Female fish judge males on DIY skills, study shows [Phys]

Female fish judge males based on their ability to design nests best suited for the conditions of their environment, according to a new study by University of Leicester researchers.
In the study, which is published today, biologists at the University of Leicester, the Australian National University (ANU) and the University of Technology Sydney (UTS) have shown that low oxygen can change the way in which fish build nests, and also change the nesting preferences of female fish.

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