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Data from: Tracking trends in monarch abundance over the 20th century is currently impossible using museum records

Ries, Leslie
Zipkin, Elise F.
Guralnick, Robert P.
Published Sep 12, 2019 on Dryad. https://doi.org/10.5061/dryad.2548jb4

Cite this dataset

Ries, Leslie; Zipkin, Elise F.; Guralnick, Robert P. (2019). Data from: Tracking trends in monarch abundance over the 20th century is currently impossible using museum records [Dataset]. Dryad. https://doi.org/10.5061/dryad.2548jb4

Abstract

[No abstract entered]

Usage notes

Supplement

Data underlying Figs. 1a,b and Fig. 2. Data on monarch abundances from North American Butterfly Association counts from 1977 to 2017. Data on monarch museum specimens extracted from dataset posted to Dryad repository: Boyle JH, Dalgleish HJ, Puzey JR (2019) Data from: Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops. Dryad Digital Repository. https://doi.org/10.5061/dryad.sk37gd2.

Funding

National Science Foundation, Award: NSF EF-1702179

Location

North America