Results 21 to 30 of about 1,979 (212)

A new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) from the Sierra Madre Occidental of Mexico, with notes on the type locality of Chrysina adelaida (Hope, 1841)

open access: yes, 2022
The approximate type locality of Chrysina adelaida (Hope, 1841) (Coleoptera: Scarabaeidae: Rutelinae) is fixed in the mountains of southeastern Mexico.
Robacker, David C.   +3 more
core   +1 more source

Actividad microsísmica en el área de Canatlán, Durango y su relación con la geología regional

open access: yesGeofísica Internacional, 1993
Los hipocentros de 22 microsismos (-0.09≥l.l) que ocurrieron en el área de Canatlán, Durango (24°38'N, 105°W) del 30 de abril al 2 de mayo de 1972 fueron determinados.
Jaime Yamamoto
doaj   +1 more source

Diversidad florística en cimas de la Sierra Madre Occidental, México, y su relación con variables ambientales

open access: yesBotan‪ical Sciences, 2013
Las partes más altas de la Sierra Madre Occidental presentan comunidades vegetales con algunas características de vegetación alpina. Estos sitios son ecológicamente importantes, pues además de sus altos índices de diversidad, son de las primeras zonas ...
Lizeth Ruacho-González   +3 more
doaj   +1 more source

A taxonomic review of the endemic Mexican genus Ceratotrupes Jekel, 1865 (Coleoptera: Geotrupidae: Ceratotrupini), with the description of an unexpected new species from the Sierra Madre del Sur

open access: yesEuropean Journal of Taxonomy, 2023
In this study, we revise the taxonomy of the endemic Mexican genus Ceratotrupes Jekel, 1865. It comprises three species, distributed in the Sierra Madre Occidental and Trans-Mexican Volcanic Belt (Ceratotrupes fronticornis (Erichson, 1847) and ...
Alfonsina Arriaga-Jiménez   +4 more
doaj   +1 more source

Trait analysis of the dentition of the Tarahumara Indians and Mestizos of the Sierra Madre Occidental, Mexico [PDF]

open access: yesAmerican Journal of Physical Anthropology, 1969
AbstractA new approach of trait analysis of the dentition is presented, based upon study of both deciduous and permanent dentitions of 114 Tarahumara Indians and 63 Mestizos of both sexes and ranging in age from 5 to 23 years. Molar cusp patterns and numbers, and odontometries were analyzed and compared, and penetrance, sexual dimorphism, and ...
R G, Snyder   +3 more
openaire   +2 more sources

Hacia una síntesis biogeográfica de México

open access: yesRevista Mexicana de Biodiversidad, 2005
EL RECONOCIMIENTO DE COMPONENTES BIÓTICOS CONSTITUYE UNA PRIMERA ETAPA HACIA UNA TEORÍA BIOGEOGRÁFICA SINTÉTICA. EN MÉXICO PODEMOS CARACTERIZAR 3 COMPONENTES BIÓTICOS PRINCIPALES, CADA UNO CON UNA COMBINACIÓN DIFERENTE DE ELEMENTOS BIÓTICOS.
JUAN J. MORRONE
doaj   +1 more source

Áreas idóneas con potencial para la producción de semillas de Pinus chihuahuana Engelm. y Pinus leiophylla Schltdl. & Cham. en México

open access: yesBotan‪ical Sciences, 2020
Antecedentes: El modelado de nicho ecológico es una herramienta utilizada para delimitar y estimar las áreas de distribución de una especie y representarlas en forma de mapa.
Gyorgy Eduardo Manzanilla-Quijada   +4 more
doaj   +1 more source

Patterns of Density and Production in the Community Forests of the Sierra Madre Occidental, Mexico [PDF]

open access: yesForests, 2020
The Mexican Sierra Madre Occidental (SMO) represents a region where hundreds of plant species reach the limits of their northern or southern range. The SMO also features a unique cultural diversity, and many communities living within the forest or in its close vicinity depend on the products and services that these forests provide.
Jaime Roberto Padilla-Martínez   +5 more
openaire   +2 more sources

Origin of voluminous mid-tertiary ignimbrites of the batopilas region, Chihuahua: implications for the formation of continental crust beneath the Sierra Madre Occidental

open access: yesGeofísica Internacional, 1986
Las ignimbritas riolíticas de la región de Batopilas, del norte de la Sierra Madre Occidental, están interestratificadas con un número menor de lavas andesíticas y dacíticas.
K.L. Cameron, M. Cameron, B. Barreiro
doaj   +1 more source

Historical biogeography of the genus Rhadinaea (Squamata: Dipsadinae)

open access: yesEcology and Evolution, 2021
Multiple geological and climatic events have created geographical or ecological barriers associated with speciation events, playing a role in biological diversification in North and Central America.
Uriel A. García‐Sotelo   +2 more
doaj   +1 more source

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