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Conservation policy and the measurement of forests [Nature Climate Change]

par Frédéric Magné - publié le

Deforestation is a major driver of climate change1 and the major driver of biodiversity loss1, 2. Yet the essential baseline for monitoring forest cover—the global area of forests—remains uncertain despite rapid technological advances and international consensus on conserving target extents of ecosystems3. Previous satellite-based estimates4, 5 of global forest area range from 32.1 × 106 km2 to 41.4 × 106 km2. Here, we show that the major reason underlying this discrepancy is ambiguity in the term ‘forest’.(...)

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