Results 41 to 50 of about 10,301 (168)

Land Use Change Consistently Reduces α‐ But Not β‐ and γ‐Diversity of Bees

open access: yesGlobal Change Biology, Volume 31, Issue 1, January 2025.
We analyzed a global dataset of 3117 bee assemblages across 157 studies to assess how bee diversity varies among natural, agricultural, and urban habitats. We measured diversity using both the number of bee taxa (taxonomic diversity) and their evolutionary relationships (phylogenetic diversity).
Toby P. N. Tsang   +143 more
wiley   +1 more source

¿Centroamérica hacia la sociedad de la información? [PDF]

open access: yes, 2005
The article presents a close view of the Central American situation in terms of the development towards the Information Society Model. In this way we offer some data related to the actual social and economical conditions, technological infrastructure ...
Córdoba, Saray
core  

Genetic analysis of museum samples suggests temporal stability in the Mexican nonbreeding distribution of a neotropical migrant

open access: yesJournal of Avian Biology, Volume 2025, Issue 1, January 2025.
Seasonal migration is highly labile from an evolutionary perspective and known to rapidly evolve in response to selective pressures. However, long‐distance migratory birds rely partially on innate genetic programs and may be constrained in their ability to alter their migratory behavior.
Sheela P. Turbek   +10 more
wiley   +1 more source

PLANEACIÓN TERRITORIAL EN EL SURESTE DE MÉXICO: REVISIÓN HISTÓRICA DEL ORDENAMIENTO ECOLÓGICO

open access: yesEcosistemas y Recursos Agropecuarios, 2014
El presente trabajo hace una revisión histórica de algunos de los procesos de planeación territorial que se han realizado en el sureste de México, en particular sobre los ordenamientos ecológicos del territorio (OET).
FA Rosete-Vergés, G Negrete-Fernández
doaj   +1 more source

Repercusiones laborales de la estrategia neoliberal en la industria Poblana del vestido [PDF]

open access: yes, 2010
La subcontratación y la inestabilidad laboral son dos fenómenos sociales íntimamente ligados desde los orígenes del sistema capitalista mundial.
Alonso Herrero, José Antonio
core  

Comparing carbon offsets and livelihood benefits in a long‐term reforestation project: Agroforestry versus native timber versus enrichment planting

open access: yesEcological Solutions and Evidence, Volume 5, Issue 3, July–September 2024.
Looking at different reforestation methods over 14 years in an Emberá Indigenous community in Panama we found that plots with native timber mixtures and monocultures stored three times more carbon than those with agroforestry or natural regrowth. Natural regrowth was less valued by participants due to the abundance of pioneer species, but it helped ...
Katia Forgues   +7 more
wiley   +1 more source

Las concepciones sobre el desarrollo regional en las políticas públicas del sur-sureste mexicano y en los proyectos autogestivos de las comunidades locales: una contrastación a la luz de las inconsistencias del Plan Puebla-Panamá (Conceptions on the regional development in the southern-southeast Mexican public policies and in the self-managed projects of the local communities: a contrasting in view of the weaknesses of the Plan Puebla-Panama) [PDF]

open access: yesRevista Obets, 2011
El presente artículo se orienta a explicar e interpretar el sentido de la acción social ejercida por actores y agentes socioeconómicos y políticos que intervienen en el proceso de planeación, tomando como punto de partida el reconocimiento y comprensión ...
Isaac Enríquez Pérez
doaj  

Fantasies of Flows and Containment: The Technopolitics of Security Infrastructures in the Americas

open access: yesAntipode, Volume 56, Issue 2, Page 492-515, March 2024.
Abstract This contribution combines literature on logistics with literature on the articulation between racism and the securitisation of migration. Studying security infrastructures in Mexico in conjunction with the Mesoamerican Project, a massive transnational infrastructure plan, I show how security and trade infrastructures become intertwined in ...
Alke Jenss
wiley   +1 more source

Impacto de los tratados de libre comercio en la integración regional de América Central [PDF]

open access: yes, 2005
Este breve ensayo, plantea avanzar en el análisis cualitativo del impacto de los TLC en dos motores de la economía de la región de América Central. Las previsiones a priori, pueden ser hipótesis de largo alcance, mediano y corto plazo, tomando como ...
Sancho, Eduardo
core  

Saint Martin de Porres “The Black Saint of the Afro‐descendant community in Quito‐Ecuador”: Between segregation, racism, and black resistance

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 1, Page 92-102, March 2024.
Abstract In the neighbourhood Caminos a la Libertad, located in the north‐western part of Quito, every November, a group of Afro‐Ecuadorian women called the Community of Saint Martin & The Martinas pay tribute to Saint Martin de Porres “the Black saint of the Afro‐descendant community.” This celebration is relevant in a context in which the Afro ...
Rocío Vera Santos
wiley   +1 more source

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