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Spatial distribution and population ecology of Drucina championi (Lepidoptera: Nymphalidae), a threatened butterfly from mountain landscapes of Southern Mexico

Ruiz Utrilla, Zenia Patricia [autora] | León Cortés, Jorge Leonel [autor] | Enríquez Rocha, Paula Lidia [autora] | Molina Martínez, Arcángel [autor].
Tipo de material: Artículo
 en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Drucina championi | Mariposas | Dinámica de la población | Zoogeografía | Ecología de los insectosTema(s) en inglés: Drucina championi | Butterflies | Population dynamics | Zoogeography | Insects ecologyDescriptor(es) geográficos: Reserva de la Biosfera Volcán Tacaná (Chiapas, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Annals of the Entomological Society of America. Volumen 111, número 5 (September 2018), páginas 285-294. --ISSN: 0013-8746Número de sistema: 59139Resumen:
Inglés

The assessment of spatial distribution and population parameters are important elements for the conservation of spatially restricted and rare species. We evaluated the spatial distribution, demographic parameters, and mobility of Drucina championi Godman and Salvin, 1881, a highly localized butterfly in mountain habitats of Southern Chiapas, Mexico. We generated potential distribution maps for the species, by relating 19 layers (Worldclim) and data of occurrence arising from field surveys and entomological collections' records. Intensive field sampling was conducted at the Tacaná Volcano Biosphere Reserve, to delimit the elevation distribution, abundance, and detailed aspects on population demographic parameters regarding mobility, age, and sex data, as well as observations on adult behavior. A vegetation characterization and a normalized difference vegetation index (NDVI) analysis were used to relate the abundance values of the butterfly and habitat characteristics. Our results show that the potential distribution of D. championi is restricted to the northernmost area of the Central American pine-oak forests and the Central American mountain forests, comprising a total of 14,151 km2. It inhabits cloud forest habitats, ranging from 1,919 to 2,788 m a.s.l. (for a total elevation range of 869 m). Our assessment on the population status of this threatened butterfly suggests fairly good dispersal abilities of local populations but a limited immigration rate from surrounding populations. This research provides a rare case study of spatiotemporal dynamics of a threatened Neotropical butterfly, emphasizing the importance of using ecological information to provide management recommendations.

Recurso en línea: https://doi.org/10.1093/aesa/say022
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Disponible para usuarios de ECOSUR con su clave de acceso

The assessment of spatial distribution and population parameters are important elements for the conservation of spatially restricted and rare species. We evaluated the spatial distribution, demographic parameters, and mobility of Drucina championi Godman and Salvin, 1881, a highly localized butterfly in mountain habitats of Southern Chiapas, Mexico. We generated potential distribution maps for the species, by relating 19 layers (Worldclim) and data of occurrence arising from field surveys and entomological collections' records. Intensive field sampling was conducted at the Tacaná Volcano Biosphere Reserve, to delimit the elevation distribution, abundance, and detailed aspects on population demographic parameters regarding mobility, age, and sex data, as well as observations on adult behavior. A vegetation characterization and a normalized difference vegetation index (NDVI) analysis were used to relate the abundance values of the butterfly and habitat characteristics. Our results show that the potential distribution of D. championi is restricted to the northernmost area of the Central American pine-oak forests and the Central American mountain forests, comprising a total of 14,151 km2. It inhabits cloud forest habitats, ranging from 1,919 to 2,788 m a.s.l. (for a total elevation range of 869 m). Our assessment on the population status of this threatened butterfly suggests fairly good dispersal abilities of local populations but a limited immigration rate from surrounding populations. This research provides a rare case study of spatiotemporal dynamics of a threatened Neotropical butterfly, emphasizing the importance of using ecological information to provide management recommendations. eng

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