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Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk?

L. Brower, O. Taylor, E. Williams, D. Slayback, Raúl R. Zubieta, M. Ramírez

2012.3.1Insect Conservation and Diversity

DOI: 10.1111/j.1752-4598.2011.00142.x

tlooto Summary

During the 2009–2010 overwintering season and following a 15‐year downward trend, the total area in Mexico occupied by the eastern North American population of monarch butterflies reached an all‐time low and remained low in 2010–2011.

Abstract

Abstract.  1. During the 2009–2010 overwintering season and following a 15‐year downward trend, the total area in Mexico occupied by the eastern North American population of overwintering monarch butterflies reached an all‐time low. Despite an increase, it remained low in 2010–2011.

Citation format

BROWER, L., et al. Decline of monarch butterflies overwintering in mexico: Is the migratory phenomenon at risk? Insect Conservation and Diversity, 2012, 5.