Europe’s most conservation-friendly modeled futures still do not halt common bird and butterfly declines
WHAT THE EVIDENCE SAYS
The study modeled 265 common bird species and 144 butterfly species using observations from more than 20,000 sites across 27 European countries and land-use/climate scenarios through 2050. None of the evaluated conservation scenarios halted or reversed average declines; farmland birds remained especially vulnerable, while butterflies were strongly affected by climate and grassland pressures.
WHY IT MATTERS / OUR READ
Protected-area and land-management policy can reduce pressures without being sufficient to reverse common-biodiversity decline when production demand, intensification and climate pressures remain embedded in the wider landscape.
CAVEATS / UNCERTAINTY
These are scenario projections, not observations of the future. Outcomes depend on modeled relationships and scenario assumptions, and benefits were spatially uneven, with relatively stronger gains in western and northern Europe.
SOURCE
Nature Ecology & Evolution · Original evidence
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INRAE · Research summary
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Models informed by more than 20,000 monitoring sites project continued average declines through 2050 even under scenarios incorporating major European conservation policies.
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