Cargando…
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...
| Autores principales: | , , , , , |
|---|---|
| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2017
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5510856/ https://www.ncbi.nlm.nih.gov/pubmed/28708851 http://dx.doi.org/10.1371/journal.pone.0181245 |