Summary of Available Data from the Monarch Overwintering Colonies in Central Mexico, 1976–1991
Links
- Document: Report (3.13 MB pdf)
- Download citation as: RIS | Dublin Core
Abstract
Historical estimates of the area occupied by overwintering Danaus plexippus (monarchs) in central Mexico (between winters of 1976 and 1991) were published in García-Serrano and others (2004) and more recently in Mawdsley and others (2020). Our primary objectives were to identify the specific data that informed those estimates and, importantly, determine the degree to which the reported estimates reflect the total size of the overwintering monarch population during that period. Understanding how historical estimates of the overwintering area relate to total population size is necessary to ensure that inferences about population abundance and temporal trends are reliable, particularly as the U.S. Fish and Wildlife Service is in the process of determining if the species should be listed under the U.S. Endangered Species Act.
Suggested Citation
Zylstra, E.R., Thogmartin, W.E., Ramírez, M.I., and Zipkin, E.F., 2020, Summary of available data from the monarch overwintering colonies in central Mexico, 1976–1991: U.S. Geological Survey Open-File Report 2020–1150, 10 p., https://doi.org/10.3133/ofr20201150.
ISSN: 2331-1258 (online)
Study Area
Table of Contents
- Overview
- Monarch Migratory Cycle and Overwintering Ecology
- Data Collection at Overwintering Colonies, 1993–2019
- Historical Data, 1976–1990
- Inferences About Monarch Population Size and Trends
- References Cited
Publication type | Report |
---|---|
Publication Subtype | USGS Numbered Series |
Title | Summary of available data from the monarch overwintering colonies in central Mexico, 1976–1991 |
Series title | Open-File Report |
Series number | 2020-1150 |
DOI | 10.3133/ofr20201150 |
Year Published | 2021 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Contributing office(s) | Upper Midwest Environmental Sciences Center |
Description | iii, 10 p. |
Country | Mexico |
Online Only (Y/N) | Y |
Google Analytic Metrics | Metrics page |