New records of two marsupials (Didelphimorphia, Didelphidae) and conservation notes from southern Mexico

Autor: Angel I. Contreras-Calvario, César Camilo Julián-Caballero, Abigail Mora-Reyes, Medardo Arreortúa

Publikováno v: Neotropical Biology and Conservation, Vol 19, Iss 2, Pp 29-36 (2024)

In Mexico opossums are difficult to find, and much of their natural history, ecology, and behavior are unknown. Through photographic and visual records, we obtained data on the presence of two species of marsupials in southern Mexico. We report new m

Externí odkaz: https://doaj.org/article/3f23250802fa4c26b9117ce3432d84e0

Primeros registros arqueobotánicos del sitio arqueológico Isla El Disparito -Provincia biogeográfica Esteros del Iberá- (Corrientes, Argentina)

Autor: Silvina Contreras, Soledad Ramos, Carolina Piccoli, Carolina Barboza, Félix I. Contreras, Pedro Cuaranta, Oscar Gallego

Publikováno v: Revista del Museo de Antropologia, Vol 17, Iss 2 (2024)

Los Esteros del Iberá, localizados dentro de la Provincia Biogeográfica homónima, recientemente han comenzado a ser explorados de forma interdisciplinarias a fin de abordar diferentes aspectos de sus paisajes arqueológicos. En efecto, se ha verif

Externí odkaz: https://doaj.org/article/4143746418ec4c35a40e14cfd4b72a3f

First record of Tantilla flavilineata Smith & Burger, 1950 (Squamata, Colubridae) for Puebla, Mexico

Autor: Angel I. Contreras-Calvario, Rene Avalos-Vela, César Orozco, Víctor H. Jiménez-Arcos

Publikováno v: Check List, Vol 18, Iss 5, Pp 979-982 (2022)

We record Tantilla flavilineata Smith & Burger, 1950, for the first time in the state of Puebla, Mexico. It was previously considered endemic to a small region of the state of Oaxaca. With this record, we extend the known distribution 100 km north-no

Externí odkaz: https://doaj.org/article/d4690d76ec2b4e0eb17495345ff7c414

Bitcoin in Portfolio Selection: A Multivariate Distribution Approach

Autor: Mario I. Contreras-Valdez, José Antonio Núñez, Guillermo Benavides Perales

Publikováno v: SAGE Open, Vol 12 (2022)

This study presents a multivariate study regarding Bitcoin and its interactions with other financial assets of different classes. This is done by adjusting a multivariate semi heavy-tailed distribution to portfolios containing indexes, currencies, an

Externí odkaz: https://doaj.org/article/7d89d3cf17e64f85a8082ce1a6825b42

Cannabinoid receptor 1 gene (CNR1) and susceptibility to a quantitative phenotype for hebephrenic schizophreniaPlease cite this article as follows: Chavarría‐Siles I, Contreras‐Rojas J, Hare E, Walss‐Bass C, Quezada P, Dassori A, Contreras S, Medina R, Ramírez M, Salazar R, Raventos H, Escamilla MA. 2007. Cannabinoid Receptor 1 Gene (CNR1) and Susceptibility to a Quantitative Phenotype for Hebephrenic Schizophrenia. Am J Med Genet Part B 147B: 279–284.

Autor: Chavarría‐Siles, Iván, Contreras‐Rojas, Javier, Hare, Elizabeth, Walss‐Bass, Consuelo, Quezada, Paulina, Dassori, Albana, Contreras, Salvador, Medina, Rolando, Ramírez, Mercedes, Salazar, Rodolfo, Raventos, Henriette, Escamilla, Michael A.

Publikováno v: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics: The Official Publication of the International Society of Psychiatric Genetics; April 2008, Vol. 147 Issue: 3 p279-284, 6p