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Article

Butterfly abundance declines over 20 years of systematic monitoring in Ohio, USA

2019-04-18

Abstract excerpt

Severe insect declines make headlines, but they are rarely based on systematic monitoring outside of Europe. We estimate the rate of change in total butterfly abundance and the population trends for 81 species using 21 years of systematic monitoring in Ohio, USA. Total abundance is declining at 2% per year, resulting in a cumulative 33% reduction in butterfly abundance. Three times as many species have negative po...

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Identifiers and source

Literature Corpus work
a2b31d3f-28eb-56e0-8518-e7fe261fc03e
DOI
10.1101/613786
Open publication

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