Results 31 to 40 of about 56,628 (169)
Migración irregular: causas, tipos y dimensiones regionales [PDF]
, 2010 La migración irregular es esencialmente una consecuencia del desequilibrio entre la demanda laboral en los países de destino y la capacidad o la voluntad de los gobiernos a establecer los canales legales de migración.
Stephen Castles
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Exploring ecohydrology through the lens of local fishers in the Bolivian Amazon
Ecosphere, Volume 17, Issue 4, April 2026.Abstract The natural flow regimes of Andean‐Amazon tributaries play a vital role in sustaining their rich biodiversity and productive local fisheries, but ongoing and proposed alteration of river flow regimes by large dams threatens to negatively impact river ecosystems. Despite its importance, our understanding of how hydrologic variability influences
Lina G. Terrazas‐Villarroel +4 more
wiley +1 more source
Incidencia del tratado de libre comercio de América del Norte (NAFTA) en el aumento de la migración económica mexicana hacia Estados Unidos entre 2001 y 2007 [PDF]
, 2018 La migración de mexicanos hacia Estados Unidos es una problemática histórica que no ha sido atendida, ni resuelta. La firma del NAFTA en 1994 se vislumbró como una alternativa para reducir el flujo migratorio.
Ayala Larrea, Andrea Simone
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Norteamérica, 2017 Este artículo analiza la consolidación de la migración irregular en Estados Unidos en la historia. Primero, se revisan las leyes y políticas de control de la migración emitidas desde los inicios de la regulación de la migración.
Elisa Ortega Velázquez
doaj +1 more source
Living the Transition: How Chinese Post‐Graduation Migrants Use Discursive Strategies in Spain
Population, Space and Place, Volume 32, Issue 3, April 2026.ABSTRACT This study examines the transition after graduation of Chinese post‐graduation migrants in Spain, conceptualizing it as a process of identity reconstruction across social, interpersonal and personal levels. By focusing on graduates as active drivers of migration, this study innovatively situates post‐graduation migrants within the framework of
Jiarui Wang +2 more
wiley +1 more source
Disasters, Volume 50, Issue 2, April 2026.Abstract Colombia's response to Venezuelan displacement—driven by economic collapse, political instability, and humanitarian need—through the Temporary Protection Status programme has been praised internationally for its inclusive approach and positive effects on both migrants and host countries.
Nieves Fernández‐Rodríguez
wiley +1 more source
Wildland–urban interface expansion: Towards comprehensive planning processes
People and Nature, Volume 8, Issue 3, Page 754-766, March 2026.Abstract Wildland–urban interface (WUI) expansion is accelerating in numerous regions around the world due to increasing amenity‐led migration processes, defined as the movement of people seeking higher environmental quality. While WUI areas are complex social–ecological systems requiring holistic planning and management, they are usually approached ...
Clara Mosso +2 more
wiley +1 more source
Multi agentes y autómatas celulares como base para el análisis eficaz y realista de la macroeconomía
Maskana, 2016 A lo largo de la historia, muchas teorías económicas nacieron para tratar de resolver los problemas relacionados con la producción, el desempleo, la pobreza y la injusticia social.
Mario Ernesto Donoso Correa +1 more
doaj +1 more source
The making of novel ecosystems: A process‐based framework for measurement, analysis and application
Methods in Ecology and Evolution, Volume 17, Issue 3, Page 683-704, March 2026.Abstract Ecological novelty is emerging rapidly due to global change drivers such as climate shifts, species introductions, defaunation, and land‐use transformation. These changes challenge how we assess, understand and manage ecosystems in the Anthropocene.
Matthew R. Kerr +7 more
wiley +1 more source
Efecto inhibitorio de Deshidroleucodina en la migración e invasión de las células tumorales en cultivo [PDF]
, 2014 Dehydroleucodine (DhL) is a sesquiterpene lactone isolated from the leaves of the herb Artemisia douglasiana Besser, which grows in Argentina. Previously, our laboratory has shown that DhL inhibited the proliferation of tumor cells.
Amaya, Celina
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