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Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects

To assess the change in the size of the eastern North American monarch butterfly summer population, studies have used long-term data sets of counts of adult butterflies or eggs per milkweed stem. Despite the observed decline in the monarch population as measured at overwintering sites in Mexico, the...

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Pubblicato in:PLoS One
Autori principali: Pleasants, John M., Zalucki, Myron P., Oberhauser, Karen S., Brower, Lincoln P., Taylor, Orley R., Thogmartin, Wayne E.
Natura: Artigo
Lingua:Inglês
Pubblicazione: Public Library of Science 2017
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC5510856/
https://ncbi.nlm.nih.gov/pubmed/28708851
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0181245
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