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Digital Data for Land and climate change in Mexico and Texas reveals small effects on migratory habitat of monarch butterflies (Danaus plexippus).

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Citation

Diffendorfer, J.E., Botello, F., Drummond, M.A., Ancona, Z.H., Corro, L.M., Thogmartin, W.E., Ibsen, P.E., Moreno-Sanchez, R., Lukens, L., and Sánchez-Cordero, V., 2024, Digital Data for Land and climate change in Mexico and Texas reveals small effects on migratory habitat of monarch butterflies (Danaus plexippus).: U.S. Geological Survey data release, https://doi.org/10.5066/P1MUA57V.

Summary

The decline of the iconic monarch butterfly in North America has motivated research on the impacts of land use and land cover (LULC) change and climate variability on monarch habitat and population dynamics. We investigated spring and fall trends in LULC, milkweed and nectar resources over a 20-year period, and ~30 years of climate variables in Mexico and Texas, a key region supporting spring and fall migration during monarchs annual life cycle. We estimated a 2.9% decline in milkweed in Texas, but little to no change in Mexico. Fall and spring nectar resources declined <1% in both countries. Vegetation greenness increased in both the fall and spring in Mexico while the other climate variables, for both countries, did not. Monarch [...]

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Climate_CSVs_Texas_Mexico.zip 6.03 KB application/zip
Data_Dictionary_Texas_Mexico_Monarchs.csv 64.44 KB text/csv
R_Code_Texas_Mexico.zip 14.46 KB application/zip
Shapefile_Texas_Mexico.zip 9.8 MB application/zip
Supplemental_Manuscript_Code_CSVs.zip 27.19 KB application/zip

Purpose

The data release has the purpose of serving all the data (that can be released to the public). All of the data used in the report is included in tables within the report itself along with this data release. The data release serves the purpose of providing those datasets in shapefile and CSV formats, as well as the code for producing the final results that were completed in R Studio.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P1MUA57V

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