Results 71 to 80 of about 105,102 (226)

Development of species distribution models helps identify source country anomalies in timber supply chains

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract For many timber species, a lack of consistent, comprehensive global distribution data makes validating supply source (country of harvest) difficult. To supplement these data, we developed species distribution models (SDMs) for the American mahogany species (genus Swietenia) to demonstrate how SDMs can assist in the analysis of supply sources ...
Sarah E. Pollack   +3 more
wiley   +1 more source

Phylogeny of subtribe Gonolobinae (Apocynaceae‐Asclepiadoideae) based on molecular and morphological data with a revised generic classification

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The presently most densely sampled molecular phylogeny of the widespread New World subtribe Gonolobinae is presented, including about 35% of the ca. 520 species. Sampling focused on an even representation of the three main areas of total Gonolobinae distribution, South America, Central/North America, and the West Indian Islands, and the ...
Sigrid Liede‐Schumann   +4 more
wiley   +1 more source

Tantilla tayrae [PDF]

open access: yes, 1990
Number of Pages: 1Integrative BiologyGeological ...
Wilson, Larry David
core   +1 more source

Gente de palabras. Subjetividades indígenas en transformación en el Chiapas contemporáneo

open access: yesRevista de Dialectología y Tradiciones Populares, 2015
A partir de un análisis de la concepción y uso de las palabras entre tzeltales y tzotziles de la región de Los Altos de Chiapas, el presente artículo discute cómo en el «nuevo vivir» tzotzil, ach’ kuxlejal, el interpretado uso incompetente del lenguaje ...
Isabel Neila Boyer
doaj   +1 more source

A new phylogeny and phylogenetic classification for Solanaceae

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract Solanaceae are a globally distributed family of considerable economic importance. Recent phylogenetic work on various clades in the family has resulted in a plethora of names at various taxonomic levels. This results in a confusing set of names applied to clades at different ranks, and to the use of informal names that are often not accepted ...
Rocío Deanna   +11 more
wiley   +1 more source

Apionidae from North and Central America : 6. Description of new species of Apionion Kissinger, Coelocephalapion Wagner and Trichapion Wagner (Coleoptera) [PDF]

open access: yes, 1999
Two new species of Trichapion Wagner, T. baranowskii and T. santaritae, are described from Madera Canyon, near Tucson, Arizona. Six new species of Coelocephalapion Wagner are described: C. dilox (Mexico), C.
Kissinger, David G.
core  

Values for gender roles and relations among high school and non-high school adolescents in a Maya community in Chiapas, Mexico. [PDF]

open access: yes, 2014
In the current study, I describe values for gender roles and cross-sex relations among adolescents growing up in a southern Mexican Maya community in which high school was introduced in 1999.
Manago, Adriana M
core   +2 more sources

La ecología cultural política y el estudio de regiones en México

open access: yesRevista de Dialectología y Tradiciones Populares, 2009
El artículo muestra por qué la ecología cultural, entendida como un método para indagar en las relaciones entre el medio ambiente y los procesos culturales ha arraigado en una generación de antropólogos mexicanos como consecuencia del magisterio de Ángel
Andrés Fábregas Puig
doaj   +1 more source

Dos Chiapas.

open access: yesEstudios Políticos, 2013
En Chiapas a partir del 1 de enero de 1994, pareciera que sólo se vislumbran dos versiones de Estado. En este ensayo se exploran estas dos versiones de Chiapas.
openaire   +1 more source

Phylogenomics and morphology reveal a new species of Anthurium (Araceae) endemic to the Caatinga Domain in Brazil

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The Caatinga is an exclusively Brazilian phytogeographic domain characterized by xerophytic vegetation, high biodiversity, and remarkable levels of endemism. Despite its ecological importance, this region remains understudied, particularly in terms of its floristic diversity.
Mel de Castro Camelo   +4 more
wiley   +1 more source

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