UPPER ELEVATIONAL RANGE EXTENSION OF SCELOPORUS UTIFORMIS COPE, 1864 (SQUAMATA: PHRYNOSOMATIDAE) IN THE SIERRA DE MANANTLÁN BIOSPHERE RESERVE, MEXICO
Por:
Muñoz-Nolasco F.J., Cruz-Sáenz D., Méndez-De La Cruz F.R.
Publicada:
1 ene 2022
Resumen:
Cope's Largescale Spiny Lizards (Sceloporus utiformis) are endemic to the Pacific slope of Mexico. They are oviparous and are known to inhabit tropical and temperate forests from sea level to 1,800 m a.s.l. Here, we expand this range based on the finding, in May 2022, of two individuals of S. utiformis in the southeastern portion of the Sierra de Manantlán, at 2,154 m elevation. We also provide data on morphometry and field body and microhabitat temperatures of these organisms. A previous study conducted at the same locality almost three decades ago found the species to be present at much lower elevations, so we hypothesize that this could be a case of upward range shifting due to climate change. Moreover, as few oviparous members of the genus Sceloporus occur above 2,000 m elevation, this record triggers many questions about the ecological implications of oviparity along elevation gradients. © 2022, Sociedad Herpetologica Mexicana. All rights reserved.
Filiaciones:
Muñoz-Nolasco F.J.:
Laboratorio de Interacción Planta-Atmósfera, Departamento de Ecología Funcional, Instituto de Ecología, Universidad Nacional Autónoma de México, Coyoacán, A. P. 70-153, Ciudad de México, C. P. 04510, Mexico
Laboratorio de Herpetología, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán, A. P. 70-153, Ciudad de México, C. P. 04510, Mexico
Unión de Especialistas en Biodiversidad, Conservación y Sustentabilidad (Unesbio), Jalisco, A. C., Zapopan, C. P. 45178, Mexico
Cruz-Sáenz D.:
Centro de Estudios en Zoología, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Jalisco, Zapopan, A. P. 1-1919, Mexico
Méndez-De La Cruz F.R.:
Laboratorio de Herpetología, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán, A. P. 70-153, Ciudad de México, C. P. 04510, Mexico
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