UK Butterfly Monitoring Scheme Reveals Decline in Over Half of Native Species
Data from the UK Butterfly Monitoring Scheme, covering over 44 million sightings since 1976, indicates that 33 of Britain’s 58 native butterfly species are in decline. While global heating has benefited generalist species like the purple emperor and red admiral by enabling northward expansion, habitat specialists such as the pearl-bordered fritillary and white-letter hairstreak have suffered significant population drops. Experts attribute these declines to habitat loss, pollution, and indirect effects of climate change, such as altered plant chemistry and structure due to nitrogen deposition. Richard Fox of Butterfly Conservation notes that while an 'insect Armageddon' has not occurred, biodiversity loss is evident. However, targeted conservation efforts have yielded successes, notably the reintroduction of the large blue butterfly, which has increased by 1,866% since 1983. The report emphasizes the need for expanded conservation management to protect vulnerable species reliant on specific ecosystems like wetlands and woodlands.
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UK Butterfly Monitoring Scheme Reveals Decline in Over Half of Native Species
Data from the UK Butterfly Monitoring Scheme, covering over 44 million sightings since 1976, indicates that 33 of Britain’s 58 native butterfly species are in decline. While global heating has benefited generalist species like the purple emperor and red admiral by enabling northward expansion, habitat specialists such as the pearl-bordered fritillary and white-letter hairstreak have suffered significant population drops. Experts attribute these declines to habitat loss, pollution, and indirect effects of climate change, such as altered plant chemistry and structure due to nitrogen deposition. Richard Fox of Butterfly Conservation notes that while an 'insect Armageddon' has not occurred, biodiversity loss is evident. However, targeted conservation efforts have yielded successes, notably the reintroduction of the large blue butterfly, which has increased by 1,866% since 1983. The report emphasizes the need for expanded conservation management to protect vulnerable species reliant on specific ecosystems like wetlands and woodlands.
The Guardian