Todas as fontes online foram acedidas no dia
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no Reino Unido as populações de lepidópteros diminuíram cerca de 50% desde 1976
Warren, M. S., et al., ‘The decline of butterflies in Europe: problems, significance, and possible solutions’, Proceedings of the National Academy of Sciences, 118 (2), 2021: Article e2002551117, https://doi.org/10.1073/pnas.2002551117.A biomassa de insetos voadores nas reservas naturais da Alemanha
Hallmann, C. A., et al., ‘More than 75 percent decline over 27 years in total flying insect biomass in protected areas’, PLOS One, 12 (10), 2017: Article e0185809, https://doi.org/10.1371/journal.pone.0185809.os tricópteros diminuíram 60% entre 2006 e 2017
Ibid.Na América do Norte, a população da borboleta-monarca
Center for Biological Diversity, ‘Eastern monarch butterfly population falls again’, https://biologicaldiversity.org/w/news/press-releases/eastern-monarch-butterfly-population-falls-again-2021-02-25/, 25 de Fevereiro de 2021. -
As tentativas de calcular uma taxa média de declínio
Wagner, D. L., et al., ‘Insect decline in the Anthropocene: death by a thousand cuts’, , Proceedings of the National Academy of Sciences, 118 (2), 2021: Article e2023989118, https://www.pnas.org/content/118/2/e2023989118/. -
A população de borboletas da espécie Tyria jacobaeae… diminuiu 83%
Fox, R., et al., The State of Britain’s Larger Moths, Butterfly Conservation and Rothamsted Research, 2006, https://doi.org/10.23637/rothamsted.898z8.