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20 octobre 2017

Humans May Be Influencing Bird Evolution in Their Backyards [Scientific American]

Great tits in the U.K. have developed longer beaks, possibly to gain access to bird feeders.

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19 octobre 2017

Ants in the Amazon rainforest canopy have vastly more bacteria in their guts than ground dwellers [Phys]

UC San Diego Center for Microbiome Innovation (CMI) researchers and colleagues on the East Coast have for the first time quantified the number of bacteria in the guts of a broad range of ant species in the Amazon rainforest. They found that the primarily herbivorous ants that live in the canopy have orders of magnitude more bacteria than those that live on the ground. The work has implications for the way microbiome studies are conducted. The authors published the study July 27 in Integrative and Comparative Biology.

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19 octobre 2017

« Les abeilles sont menacées d’extinction en Europe » [Le Monde - Idées]

Trois députés européens socialistes expliquent dans une tribune au « Monde » qu’il faut interdire totalement les néonicotinoïdes en Europe et structurer la filière apicole en favorisant la professionnalisation des métiers de l’apiculture et de l’apidologie.

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18 octobre 2017

Émissions de méthane : les palourdes pourraient concurrencer les élevages bovins [Futura-Sciences]

L’étude des émissions de gaz à effet de serre nous en apprend presque tous les jours. Et aujourd’hui justement, des scientifiques révèlent que quelque 10 % des émissions de la mer Baltique seraient dues... aux palourdes  !

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17 octobre 2017

The partial success of the Water Framework Directive : a result of implementation rather than intent ? [The Freshwater Blog]

The European Union Water Framework Directive (WFD) requires all EU Member States to improve the quality of their surface and ground waters to ‘good’ ecological and chemical status or potential. However, despite some positive progress since its adoption in 2000, nearly half of EU surface waters still do not reach good ecological status.
A recent study led by Dr Nick Voulvoulis, Professor in Environmental Technology at Imperial College’s Centre for Environmental Policy, investigated why the ‘great expectations’ that came with the WFD have not yet been fully realised.

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