Even the worst mass extinction had its oases
https://arstechnica.com/science/2025/03/even-the-worst-mass-extinction-had-its-oases/
#HackerNews #massextinction #oases #science #news #environment #evolution
This episode of Frontiers of Commoning with Tunisian scholar Safouan Azouzi (Lessons of Desert Oases for Eco-Resilient Transformation) is a master class in decolonial design and how indigenous cultural practices already have the principles of degrowth and commons resource management baked right in. HIGHLY RECOMMENDED!!
Oases are important habitats and water sources for dryland regions, sustaining 10% of the world's population despite taking up about 1.5% of land area. But in many places, climate change and anthropogenic activities threaten oases' fragile existence. New research shows how the world's oases have grown and shrunk over the past 25 years as water availability patterns changed and desertification encroaches on these wet refuges.
Guelta (Geomorphology 🏞️)
A guelta is a pocket of water that forms in drainage canals or wadis in the Sahara. The size and duration will depend on the location and conditions. It may last year-round through the dry season if fed by a source such as a spring. When a river dries up, there may be pockets of water remaining along its course. In Western Sahara, gueltas correspond to oases.Some exa...
https://en.wikipedia.org/wiki/Guelta
#Guelta #Oases #Wadis #Wetlands #BodiesOfWater #Geomorphology