Ecuador study shows >90% biodiversity return in 30 years
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- Study in northwestern Ecuador's Chocó region found that forest biodiversity recovered to >90% of original levels within 30 years after land use ceased.
- Researchers compared 62 sites—including pastures, cocoa plantations, secondary forests, and primary forest—protected by Jocotoco, and observed that up to three‑quarters of animal and plant species typical of primary forest returned.
- Timo Metz led the analysis, noting that rainforest ecosystems demonstrate remarkable resilience, a finding previously only modeled theoretically.
- Jörg Müller' team used acoustic methods, camera traps, AI, and genetic scans to assess birds, mammals, frogs, and insects, showing rapid return of mobile animal groups within a few years.
- Thomas Schmitt' team studied dung beetles with traps, highlighting their role in seed burial and forest regeneration.
- Nico Blüthgen warned that natural regeneration depends on intact forest fragments as seed sources, and stressed that current deforestation rates (4–6 million ha per year) outpace protection efforts.
Why it matters: Landowners and NGOs gain a proven, rapid pathway to restore biodiversity by protecting and allowing natural regeneration, while the study warns that ongoing deforestation—4–6 million ha annually—threatens the forest fragments needed as seed sources, narrowing the window for effective conservation for the region's ecological health.
