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Home > Communication > Scientific newsletter > Press articles > Science

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16 February 2017

Biodiversity can promote ecosystem efficiency [Eawag Aquatic Research]

Humans influence evolution. In the case of whitefish in Swiss lakes, one consequence of this is replacement of a diversity of specialised species by fewer generalists. A recent analysis now suggests that communities of diverse specialists utilise trophic resources more efficiently.

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16 February 2017

Urban butterfly declines 69% compared to 45% drop in countryside [The Guardian]

Pesticides, paving and higher temperatures have put huge strain on butterflies in cities over past two decades, finds study.

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16 February 2017

Small birds, big effects: the little auk transforms high Arctic ecosystems [The Freshwater Blog]

Ecosystems on the Greenland coastline of the North Water Polynya are transformed – both positively and negatively – by nutrients brought back to land from the open sea by a tiny ‘ecosystem engineer’ bird, the little auk, according to a new study.

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16 February 2017

La lutte contre la hausse de consommation des pesticides a échoué [Reporterre]

Alors que la France a annoncé il y a dix ans vouloir réduire de moitié sa consommation de pesticides, celle-ci a crû de 25 % entre 2009 et 2014. Le plan Ecophyto 2 ne parvient pas à imposer aux entreprises phytopharmaceutiques de réduire leurs ventes.

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15 February 2017

Les alliances entre ours et loups n’affectent pas les proies [Sciences et Avenir - Animaux]

Des chercheurs scandinaves et américains ont découvert contre toute attente que la présence de loups et d’ours dans un même secteur n’avait pas de conséquences négatives pour les proies, au contraire !

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