Results 41 to 50 of about 1,062 (198)

Update and Comparative Analysis of Food Environment Policies in Mexico: Implementation of the Healthy Food Environment Policy Index in 2016 and 2024

Obesity Reviews, Volume 27, Issue 1, Page 1-15, January 2026.
ABSTRACT Introduction Mexico faces a public health crisis due to the rising prevalence of obesity and noncommunicable diseases, primarily driven by unhealthy food environments. Objective To conduct a second implementation of the Food Environment Policy Index in Mexico to assess policy implementation levels related to healthy food environments and to ...
Ana Munguía, Yatziri Ayvar‐Gama, Vania Lara‐Mejía, Regina Durán, Claudia Nieto, Estefania Rodríguez, Lizbeth Tolentino‐Mayo, Anayancin Acuña‐Ruiz, Evelia Apolinar‐Jiménez, Armando Hazael Ayala‐Román, Carolina Batis, Victoria Eugenia Bolado‐García, Verónica Doré Castillo‐García, Alejandra Contreras‐Manzano, Carlos Cruz‐Casarrubias, Rebeca Cruz‐Santacruz, Anabel Fiorella Espinosa‐De Candido, Héctor Esquivias‐Zavala, Ileana Guadalupe Fajardo‐Niquete, Mario Efraín Flores‐Aldana, Ana Laura González‐Alejo, Hilda María Jiménez‐Acevedo, Ana Larrañaga‐Flota, Mercedes López‐Martínez, Paulina Magaña‐Carbajal, Sophia Eugenia Martínez‐Vázquez, Catalina Medina, Mildred Moreno‐Villanueva, Ángel Pedraza‐López, Vivian Pérez‐Jiménez, Rafael Regla‐Aguirre, Alicia Elizabeth Robledo‐Galván, Ana Gabriela Romero‐Juárez, Guadalupe Ruiz‐Vivanco, Janine Sagaceta‐Mejía, Mariana Saldivar‐Frausto, Jaime Salvador‐Moysén, Fabiola Sánchez‐Meza, Cuauhtémoc Sandoval‐Salazar, Loredana Tavano‐Colaizzi, Mishel Unar‐Munguía, Javier Villanueva‐Sánchez, Ma. Elena Villarreal‐Arce, Simón Barquera   +43 more
wiley   +1 more source

The Early Development of the Blue‐Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae)

Evolution &Development, Volume 27, Issue 4, December 2025.
We document the early development of Cryptoheros spilurus, highlighting rapid cranial differentiation, sensory organ formation, and fin development. Ontogenetic allometry and ultrastructural traits reveal functional adaptations for early foraging and locomotion, offering insights into ecological success and the developmental basis of cichlid ...
Rubén Alonso Contreras‐Tapia, Jairo Arroyave, Gabriela Garza‐Mouriño, María Elena Castellanos‐Páez, Marcela Ivonne Benítez‐Díaz Mirón, Wilfredo A. Matamoros   +5 more
wiley   +1 more source

Diversidad y distribución de Araceae de la Reserva de la Biosfera Los Tuxtlas, Veracruz, México Diversity and distribution of Araceae of the Reserva de la Biosfera Los Tuxtlas, Veracruz, Mexico

Revista Mexicana de Biodiversidad, 2008
Este estudio documenta la diversidad, distribución altitudinal y geografía de Araceae en la región de Los Tuxtlas, Veracruz. Se escogió un transecto altitudinal en bosque tropical perennifolio y bosque mesófilo de montaña bien conservado desde los 100 m ...
Amparo Acebey, Thorsten Krömer
doaj  

HALLAZGO DE PARAGONIMUS MEXICANUS EN NUEVO HOSPEDERO Y UNA LOCALIDAD EN MEXICO

Ecosistemas y Recursos Agropecuarios, 2014
Se registra por primera vez la presencia de Paragonimus mexicanus en un nuevo hospedajero Philander opossum pallidus, capturado en las cercanías de la Estación de Biología Tropical "Los tuxtlas" en el Estado de Veracruz, que constituye a su vez una nueva
Jorge Caballero - Deyola, Raúl Pineda - López, Oscar Meave - Gallegos   +2 more
doaj   +1 more source

A first characterization of the leaflet endophytic prokaryotic community in Dioon cycads

Plant Species Biology, Volume 40, Issue 6, Page 547-555, November 2025.
This study presents the first characterization of leaflet endophytic prokaryotic communities in Mexican cycads of the genus Dioon. Using 16S rRNA metabarcoding, we describe the composition and diversity of foliar bacterial communities across species and biogeographic regions, highlighting patterns potentially shaped by environmental conditions.
Gonzalo Contreras‐Negrete, Antonio Hernández‐López, Jimena Jazmín Hurtado‐Olvera, Miguel Ángel Pérez‐Farrera, José Said Gutiérrez‐Ortega   +4 more
wiley   +1 more source

Progress in the study of dioecy in Mexican cycad species and its implications for conservation

Plant Species Biology, Volume 40, Issue 6, Page 556-571, November 2025.
Cycads are endangered dioecious plants of great ornamental value that have a long period of sexual maturity. Therefore, it is crucial to have methods for early sex determination that can help to develop effective strategies for their conservation. Abstract Dioecy is a system of sexual reproduction in plants, characterized by the spatial separation of ...
Lourdes Georgina Iglesias Andreu, María Ydelia Sánchez‐Tinoco, Miguel Angel Perez‐Farrera   +2 more
wiley   +1 more source

Evolutionary history of Middle American Rhamdia (Siluriformes: Heptapteridae) inferred from comparative mitogenomic data: Insights on historical biogeography and cave colonization in the group

Journal of Systematics and Evolution, Volume 63, Issue 6, Page 1501-1518, November 2025.
Investigating the systematics and biogeography of Neotropical catfishes of the genus Rhamdia refined phylogenetic hypotheses, including deep paraphyly of Rhamdia laticauda, supported northward dispersal catalyzed by emergence of the Panamanian Isthmus and imply that cave colonization is widespread, convergent, and recent, with established cave‐dwelling
Jairo Arroyave, Adán Fernando Mar‐Silva, Bruno F. Melo, Sonia Gabriela Hernández‐Ávila, Jesús M. López‐Vila, Gabriel S. C. Silva, Píndaro Díaz‐Jáimes   +6 more
wiley   +1 more source

Comportamiento reproductivo y datos de la alimentación de Agouti paca nelsoni Goldman

Acta Zoológica Lilloana, 2020
El presente estudio se realizó en la Sierra de los Tuxtlas, SE de Veracruz, México, en la zona de bosque alto perennifolio. Los estudios de comportamiento en el hábitat se basaron en 30 especímenes de los cuales 8 fueron recolectados.
H. Contrera Pérez, F. Zetina Hernández
doaj  

Deep divergences and extensive phylogeographic structure in a clade of lowland tropical salamanders

BMC Evolutionary Biology, 2012
Background The complex geological history of Mesoamerica provides the opportunity to study the impact of multiple biogeographic barriers on population differentiation.
Rovito Sean M, Parra-Olea Gabriela, Vásquez-Almazán Carlos R, Luna-Reyes Roberto, Wake David B   +4 more
doaj   +1 more source

Quasi‐Constant Time Gap in Multiple Rings of Elves

Earth and Space Science, Volume 12, Issue 10, October 2025.
Abstract We present evidence that the time delay between the multiple rings of elves is not caused by the ground reflection of the electromagnetic pulse produced by intracloud lightning. To investigate temporal differences of multi‐elves, we analyzed data from four storms occurring at various times and distances from the Pierre Auger Observatory in ...
The Pierre Auger Collaboration
wiley   +1 more source