Biodiversité
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Revue de presse et du net par le Pôle de partage des connaissances S&T de l'Office français de la biodiversité
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Les papillons des prairies d'Europe en fort déclin - Butterfly Conservation

Les papillons des prairies d'Europe en fort déclin - Butterfly Conservation | Biodiversité | Scoop.it
From www.butterfly-conservation.org - May 25, 2023 3:58 AM

A new report on trends of grassland butterflies across Europe shows that numbers declined by 36% in just ten years, between 2011 and 2020. Butterfly Conservation (UK) is working hard with partners in Butterfly Conservation Europe to reverse these trends, which were worse in the UK.

"En cette #JournéedelaBiodiversité, un nouveau rapport nous révèle un déclin de 36 % en seulement 10 ans (2011-2020) chez 17 espèces courantes de papillons des prairies. 🦋 Pollinisation, chaîne alimentaire (oiseaux)...les impacts sont nombreux. 1/7 https://t.co/YzsFVJqoD2

https://t.co/jbXBLDHR2I"

via sleguilFR sur Twitter, 22.05.2023
https://twitter.com/sleguilFR/status/1660615588174077955


Via Bernadette Cassel
DocBiodiv's insight:

Voir aussi The Bugs Matter Citizen Science Survey - THE 2022 REPORT https://www.kentwildlifetrust.org.uk/sites/default/files/2022-12/KWT%20Bugs%20Matter%20Technical%20Report%202022_compressed.pdf via Kent Wildlife Trust @KentWildlife

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Le déclin des chenilles est accentué par la lumière des lampadaires

Le déclin des chenilles est accentué par la lumière des lampadaires | Biodiversité | Scoop.it
From www.lemonde.fr - August 26, 2021 11:30 AM
Une étude britannique montre que l’éclairage public perturbe le comportement des insectes et qu’il peut aller jusqu’à réduire directement leur nombre.
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via Douglas Boyes @diarsia "Our new @ScienceAdvances study (my first PhD results paper) about street lighting and insects is out now! It's #OpenAccess https://advances.sciencemag.org/content/7/35/e"

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Big butterfly count

Big butterfly count | Biodiversité | Scoop.it
From www.bigbutterflycount.org - July 17, 2017 9:29 AM


The big butterfly count is a nationwide survey aimed at helping us assess the health of our environment. It was launched in 2010 and has rapidly become the world's biggest survey of butterflies. Over 36,000 people took part in 2016, counting almost 400,000 individual butterflies and day-flying moths across the UK (see the 2016 results). big butterfly count 2017 will take place from Friday 14 July to Sunday 6 August.


DocBiodiv's insight:
Un exemple d'opération de science participative en Grande Bretagne du 14/07 au 6/08.
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Au Royaume-Uni, les papillons ont disparu de près de la moitié des lieux qu’ils fréquentaient il y a cinquante ans

Au Royaume-Uni, les papillons ont disparu de près de la moitié des lieux qu’ils fréquentaient il y a cinquante ans | Biodiversité | Scoop.it
From www.lemonde.fr - February 10, 2023 5:35 AM
Une étude confirme le déclin alarmant de ce groupe d’insectes parmi les mieux étudiés au monde, qui constitue un indicateur précieux de l’état de la biodiversité.
DocBiodiv's insight:

via Butterfly Conservation @savebutterflies The State of UK’s Butterflies 2022 report has been released today and it's not good news 80% of butterflies in the UK have declined since the 1970s https://butterfly-conservation.org/state-of-uk-butterflies-2022

 

En France, chiffre ONB 2022 Disparition des papillons de jour dans les départements de métropole : 66 % des espèces de papillons de jour n’ont pas été revues depuis 20 ans dans au moins un département qu’elles occupaient

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No place like home: Species are on the move, but many have nowhere to go

No place like home: Species are on the move, but many have nowhere to go | Biodiversité | Scoop.it
From phys.org - October 21, 2019 10:29 AM
Many insects moving north in response to climate change find they have nowhere to go in Britain's intensively managed landscapes, according to new research.
DocBiodiv's insight:

Philip J. Platts et al. Habitat availability explains variation in climate-driven range shifts across multiple taxonomic groups, Scientific Reports (2019). DOI: 10.1038/s41598-019-51582-2

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Decline in UK butterflies caused by mild winter

Decline in UK butterflies caused by mild winter | Biodiversité | Scoop.it
From weather.com - April 14, 2017 6:15 AM

Some of Britain’s most beautiful butterflies are being killed off by mild winters, conservations have said. The colourful insects suffered ‘one of their worst years on record’ in 2016 with 40 of the 57 species assessed in the annual UK Butterfly Monitoring Scheme declining compared to the previous 12 months.

DocBiodiv's insight:
The UK Butterfly Monitoring Scheme (UKBMS) http://www.ukbms.org/
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