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Code and data for 'Confirmation of a decline in the summer population of the monarch butterfly due to habitat loss'

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 08:28 PM | Dataset Last Updated: June 22, 2023 at 12:00 AM
This code describes graphical and analytical comparisons between monarch butterfly survey data collected during summer breeding, fall migration, and winter.

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