Monarch butterfly population decline in North America: identifying the threatening processes.
Thogmartin WE, Wiederholt R, Oberhauser K, Drum RG, Diffendorfer JE, Altizer S, Taylor OR, Pleasants J, Semmens D, Semmens B, Erickson R, Libby K, Lopez-Hoffman L.
Thogmartin WE, et al. Among authors: lopez hoffman l.
R Soc Open Sci. 2017 Sep 20;4(9):170760. doi: 10.1098/rsos.170760. eCollection 2017 Sep.
R Soc Open Sci. 2017.
PMID: 28989778
Free PMC article.