Portugal’s Underwater Forests Store Carbon Equivalent to Thousands of Acres of Land Forests
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📰 The quick summary: Portugal’s northern kelp forests store massive amounts of carbon, equivalent to thousands of acres of land forests, providing a crucial ally in climate change mitigation despite facing threats from warming ocean temperatures.
📈 One key stat: These underwater forests capture approximately one-third of all carbon sequestered each year by Portugal’s marine plant habitats, making them vital for reducing atmospheric carbon dioxide.
💬 One key quote: “The kelp forests, which blanket more than 5,000 hectares of seafloor, store roughly the same amount of carbon as thousands of acres of terrestrial forests.”
1️⃣ The big picture: Scientists have discovered that Portugal’s kelp forests along the northern coast store significantly more carbon than previously realized. These underwater ecosystems, which cover over 5,000 hectares of seafloor, capture carbon at rates comparable to land-based forests despite their relatively small area. Beyond carbon storage, these forests create habitats for hundreds of marine species and support local fishing communities and tourism. Until now, these kelp forests had been overlooked in Portugal’s marine carbon inventory, but their addition substantially increases the country’s known blue carbon reserves.
2️⃣ Why is this good news: These newly recognized carbon sinks substantially boost Portugal’s blue carbon inventory, offering a powerful tool in fighting climate change. The kelp forests capture carbon more efficiently than many land-based ecosystems, with the carbon often sinking to the deep ocean floor for long-term storage. Their three-dimensional structure creates rich habitats supporting biodiversity and fisheries, while also protecting coastlines from storm damage. Recognition of these underwater forests opens new possibilities for marine conservation strategies and climate planning, highlighting nature-based solutions beyond just terrestrial ecosystems.
3️⃣ What’s next: Restoration techniques developed in Norway and Australia could help preserve Portugal’s kelp forests as ocean temperatures rise. European marine conservation laws now require member states to protect valuable ecosystems, giving Portugal clear evidence to prioritize these forests. Following Scotland and Iceland’s lead, Portugal can implement policies that protect kelp while generating carbon credits and supporting conservation.
Read the full story here: Happy Eco News – Portugal’s Kelp Forests Store Massive Carbon Reserves While Facing Climate Threats
