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A l'aide de micros, des scientifiques enregistrent les sons des écosystèmes naturels. Après les océans et les forêts, une équipe de l'université de Bristol (Royaume-Uni) a dévoilé le monde sonore mystérieux... des mares de la campagne anglaise. Un "orchestre" étonnant.
DocBiodiv's insight:
Greenhalgh, J. A., Genner, M. J., & Jones, G. (2023). Diel variation in insect-dominated temperate pond soundscapes and guidelines for survey design. Freshwater Biology, 00, 1– 13. https://doi.org/10.1111/fwb.14092 Suivre @WildAudioJack
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Sur l’île de Wight, située au sud de l’Angleterre, des plantes qui poussent habituellement dans des régions chaudes du monde se sont mises à se reproduire. Ces Cycadales poussent naturellement de nouveau au Royaume-Uni, pour la première fois depuis 60 millions d’années. Explications. Une preuve du changement climatique Ces deux cycas (un type de plante … Via Hubert MESSMER
DocBiodiv's insight:
Par Benjamin Cabiron, le 3 septembre 2019 Lire aussi " Appearance of male and female cycad on Isle of Wight an indicator of global warming " https://phys.org/news/2019-08-male-female-cycad-isle-wight.html
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In 2019, there were 44 million fewer breeding birds in the UK than there were in the 1970s. There are thought to be fewer than one million hedgehogs, compared to 35 million in the 1950s. Two-thirds of British butterflies have also been on a downward trend since the 1970s, adding to a grim picture for biodiversity in the UK.
DocBiodiv's insight:
Par le premier auteur de l'article Outhwaite, C.L., Gregory, R.D., Chandler, R.E. et al. Complex long-term biodiversity change among invertebrates, bryophytes and lichens. Nat Ecol Evol (2020). https://doi.org/10.1038/s41559-020-1111-
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The National Biodiversity Data Centre is a national organisation that collates, manages and analyses and disseminates data on Ireland’s biodiversity. Biodiversity data are a key requirement for understanding our natural surroundings, for tracking change in our environment and for gaining a greater insight to how we benefit from, and impact upon, the ecosystem goods and services provided by biological diversity; a national asset which contributes at least €2.6 billion to the Irish economy each year.
DocBiodiv's insight:
Comment cela se passe-t-il ailleurs ? Aujourd'hui, l'Irlande avec son portail national qui laisse une grande part aux sciences participatives et appelle via les réseaux sociaux les citoyens à contribuer largement "We rely on everyone's contribution to detect changes in our environment - find out how you can get involved!" via @BioDataCentre
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