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30 November 2017

Higher plant species richness may not be enough to protect ecosystems from the worst impacts of climate extremes [Phys]

Studies on mild fluctuations in weather have provided support for the idea that higher biodiversity results in more stable functioning of ecosystems, but critical appraisal of the evidence from extreme event studies is lacking.
Higher plant species richness is not always sufficient to reduce ecosystem vulnerability to climate extremes, as shown in a comprehensive literature analysis published today in the Journal of Ecology.

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30 November 2017

Theory of the evolution of sexes tested with algae [Phys]

The varied sex lives of a type of green algae have enabled a University of Adelaide researcher to test a theory of why there are males and females.

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30 November 2017

Des associations vont évaluer la présence de pesticides dans l’air en 2018 [Sciences & Avenir - Santé]

Des associations de surveillance de la qualité de l’air mesureront en 2018 la présence des pesticides dans l’air afin d’évaluer l’exposition à la population de cette "pollution de fond".

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29 November 2017

La Suisse, bonnet d’âne de la biodiversité et des zones protégées [Le Temps]

Un rapport de l’OCDE a révélé les points forts, mais aussi les points faibles de la Suisse en termes de gestion de l’environnement. Il épingle en particulier la gestion des zones protégées et de la biodiversité, où le pays est en retard sur les autres Etats membres.

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28 November 2017

New butterfly species discovered in Russia with an unusual set of 46 chromosomes [Phys]

What looked like a population of a common butterfly species turned out to be a whole new organism, and, moreover - one with a very peculiar genome organisation.

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