Discover and read the best of Twitter Threads about #lichens

Most recents (4)

🧵Today is #CleanAirDay.

#AirPollution not only impacts human health but also the health of our woods and trees. Addressing air pollution is vital to protect and restore our ecosystems🌳

#Nitrogen air pollution is a significant issue for UK woods. According to the #StateOfWoodsAndTrees report 100% of woodlands in England exceed the nitrogen critical load – all will have deteriorated as a result.…
Bushy grey beard #lichens were once far more abundant, but are sensitive to #AirQuality. They act as miniature forests on trunks and branches, where invertebrates live and birds forage. They’ve also been found to have anti-growth effects on human cancer cells!
Read 7 tweets
Permafrost thaw is about WAY more than carbon and climate. From impacting caribou to mobilizing mercury and legacy arsenic from gold mining, many thaw impacts are not conceptualized yet let alone understood. Below shows how pockmarks of thaw can consume entire forests. 1/ Photograph of wet thaw features within permafrost forest.
How can permafrost thaw consume whole forests or trigger landslides? The answer is simple yet so complex. Ground ice. Thaw of ice-rich permafrost causes drama. Peek inside permafrost to view gorgeous ice wedges in Alaska's #permafrosttunnel. Stunning. 2/
Ground ice content in the permafrost drives what happens after thaw. Check out this awesome visualization. On the left is what happens when ice-rich permafrost warms up. The literal backbone of the Arctic disappears. 3/
Read 10 tweets
Lichens at the Met Gala 2019 (a thread) #lichens #MetGala2019

1. Celine Dion as Usnea barbarata
2. Serena Williams as Caloplaca carphinea
3. Ashley Graham as Cryptothecia rubrocincta
Read 9 tweets
🌍Petit inventaire des données de #cartographie libres et gratuites en ligne & des logiciels libres traitant des systèmes d'information géographique et de cartographie ⬇️ @datagouvfr qui rassemble des données thématiques (territoire, transport, agriculture, etc) disponibles en plusieurs formats (.shp, .xls, .json, etc)… @opendataParis Données thématiques (uniquement sur l'Île-de-France), plusieurs formats également
Read 27 tweets

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