Change in relative abundance of the second generation (third flight peak) of peacock butterflies in Flanders (northern Belgium) since 1950.
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To investigate historical changes, we calculate for each year with sufficient data the proportional abundance of the third flight peak since 1950 for Flanders (northern part of Belgium) (1950–2008: 26,933 records; 2009–2020: 319,684 records).
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Zenodo创建时间：
2021-07-26
