The island rule and the body size of the polyplacophoran Plaxiphora mercatoris in Rapa Nui
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Fecha
2022-12-25
Profesor/a Guía
Facultad/escuela
Idioma
es
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Editor
Universidad De Valparaíso, Chile
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Licencia CC
CC BY-NC 4.0 DEED
Attribution-NonCommercial 4.0 International
Licencia CC
https://creativecommons.org/licenses/by-nc/4.0/
Resumen
To test the island rule, the body size of P. mercatoris and P. aurata was measured, then statistical test and generalized linear models (GLM) were performed to explore changes in body length of both species. A smaller body length was evidenced in P. mercatoris supporting insular dwarfism. Additionally, P. mercatoris showed a trend of decreasing body size over time. This is the first report of the island rule in polyplacophorans. The temporal decrease in the size of P. mercatoris suggests a possible increase anthropogenic pressure, which should be studied to facilitate conservation and monitoring strategies. ©The author(s).
Notas
Indexación: Scopus.
Palabras clave
Body size, Easter Island, Islands, Plaxiphora, Anthropogenic effect, Mollusc, Regression analysis, Polyplacophora
Citación
Revista de Biologia Marina y Oceanografia, Volume 57, Issue 2, Pages 112 - 118, 25 December 2022
DOI
10.22370/RBMO.2022.57.2.3529