Serious Declines in Butterflies Revealed in Extensive North America Study
Posted in Research News
July 9, 2019 – One of the longest-running systematic insect-monitoring programs in North America shows that common butterfly species in a Midwestern state have declined by one-third over more than two decades.
The study, published today in PLoS ONE, was limited to butterflies and one geographic area (Ohio), but the findings provide an important baseline for broader trends in insect populations amid climate change and other human-caused disturbances, and mirror butterfly monitoring studies in European countries.
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