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Month: May 2026

When forests return: carbon gains and biodiversity trade-offs

Blogpost by Lorenzo Orzan

Across Europe, something quiet but powerful is happening. As people leave rural areas, forests are coming back, slowly reclaiming former meadows and pastures. At first glance, this seems like good news. More forests mean more carbon stored and, potentially, more biodiversity. But is it really that simple?

In our recent study As forests reclaim the land: Latitudinal variations in carbon-biodiversity trade-offs under natural forest expansion in Italy published in Forest Ecology and Management, we followed this process from North to South, tracking how ecosystems change over time as forests naturally regenerate. By comparing sites at different stages, from open grasslands to forests up to 75 years old, we were able to reconstruct what happens when trees return.

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