Beavers are turning rivers into powerful carbon sinks

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🗞️ Driving the news: New research shows that wetlands created by Beaver dams can transform small rivers into powerful carbon sinks, significantly increasing the amount of carbon stored in landscapes.

🔭 The context: Scientists studying a beaver-engineered wetland in northern Switzerland tracked carbon flows over 13 years and found that the ecosystem stored large amounts of carbon by slowing water, trapping sediments, and expanding wetlands
• The study involved researchers from institutions including University of Birmingham, Wageningen University, and University of Bern

🌍 Why it matters for the planet: Beaver dams restore natural wetland systems that lock carbon into sediments, vegetation, and deadwood
• These nature-based climate solutions can capture carbon at rates far higher than unmanaged stream landscapes while also boosting biodiversity, water retention, and ecosystem resilience

⏭️ What’s next: Researchers say beaver-led ecosystem restoration could become part of broader rewilding and climate strategies across Europe and beyond
• More studies are planned to understand how widely this carbon-storage effect applies across different climates and river systems

💬 One quote: “Our findings show that beavers don’t just change landscapes: they fundamentally shift how CO₂ moves through them.” — Joshua Larsen

📈 One stat: A single beaver-created wetland site in Switzerland stored about 1,194 tonnes of carbon over 13 years, equal to roughly 10.1 tonnes of CO₂ per hectare each year

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