Results 21 to 30 of about 4,021 (159)

Los emigrantes cualificados del Magreb

open access: yesEstudios Geográficos, 2007
También en el Magreb se produce una fuga de cerebros hacia países más desarrollados. En este artículo analizamos la componente europea de ese flujo; más concretamente, el establecimiento de graduados magrebíes en la Unión Europea y, más específicamente ...
Juan A. Cebrián   +3 more
doaj   +1 more source

Voces en los campos. Trabajadores agrícolas migrantes durante la COVID-19 en España y nuevas formas de activismo por la dignidad

open access: yesEstudios Geográficos, 2022
La crisis sanitaria ha producido la visibilización de muchos de los problemas estructurales y endémicos de los que ha adolecido el trabajo inmigrante en el sector agrícola en España durante las dos últimas dos décadas: el alto volumen de extranjeros en ...
Ana López-Sala
doaj   +1 more source

Mercado de trabajo y formación entre inmigrantes latinoamericanos en la Comunidad de Madrid

open access: yesRevista de Indias, 2009
El artículo estudia la relación existente entre la formación y el empleo inmigrante en la Comunidad de Madrid (CAM), de los inmigrantes procedentes de Ecuador y Colombia.
Vicente Rodríguez, Silvia Marcu
doaj   +1 more source

La desigualdad de ingresos en regiones periféricas; Santiago del Estero- Argentina

open access: yesCuestiones de Sociología, 2020
Este artí­culo se enfoca en la distribución del ingreso en la provincia de Santiago del Estero, Argentina, a través de datos provenientes de la Contabilidad Regional, la cual contribuye a desentrañar distintos tipos de evaluaciones, una de ellas ...
Noelia Gurmendi, Jorge Luis Silveti
doaj   +1 more source

Addressing Demographic Challenges Through Public–Private Partnerships: In Vitro Fertilization in Latvia

open access: yesWorld Medical &Health Policy, Volume 17, Issue 4, Page 688-694, December 2025.
ABSTRACT The study by Morshed‐Behbahani et al. highlights that financial barriers are not the sole obstacle to accessing infertility treatment. To ensure equal access for all, infertility treatment should be regarded as a universal human right, with the public sector assuming responsibility for its provision.
Arturs Kalva, Girts Brigis
wiley   +1 more source

Precipitation and Temperature‐Dependent Locomotor Performance Drive the Abundance of a Neotropical Lizard

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
We investigated how climate and ecophysiology affect the demography of the lizard Tropidurus oreadicus in the Brazilian Cerrado. While lizards were more frequently captured in the dry season, their abundance peaked during the rainy season when their locomotor performance was highest.
Raquel da Silva Acácio   +4 more
wiley   +1 more source

Marked tree demographic variation along subtle elevation differences partially explains species' habitat associations in an Amazonian forest

open access: yesJournal of Ecology, Volume 113, Issue 10, Page 2860-2874, October 2025.
These findings show that even small differences in elevation can lead to biologically meaningful variation in resource access that translates into significant differences in tree growth and survival. However, resource access could not fully explain the patterns of topographically driven demographic variation we observed. While certain species may still
Paola A. Jaramillo   +4 more
wiley   +1 more source

La creciente dependencia de mano de obra migrante para tareas agrícolas en el centro global. Una perspectiva comparada

open access: yesEstudios Geográficos, 2020
Numerosos estudios, sobre todo en las últimas décadas, han señalado el progresivo aumento del número de migrantes realizando trabajo agrícola en los Estados del centro global. Desde el paradigma de la ecología-mundo, se teorizó sobre el hecho de que este
Yoan Molinero-Gerbeau
doaj   +1 more source

Assessing limits of sustainable seed harvest in wild plant populations

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Seed harvesting from wild plant populations is key for ecological restoration, but it may threaten the persistence of the source populations. Consequently, several countries have set guidelines limiting the proportions of harvestable seeds. However, these guidelines are inconsistent and lack a solid empirical basis.
Anna Bucharova   +3 more
wiley   +1 more source

Demographic performance review of a reintroduction project: Iberian lynx in Extremadura

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2189-2201, September 2025.
Demographic performance reviews are essential for understanding the drivers of population growth and for evaluating the outcomes of reintroduction initiatives. IPMs as exemplified by our Iberian lynx case study provide a powerful and flexible framework for quantifying reintroduction performance and addressing key research and management questions.
José Jiménez   +7 more
wiley   +1 more source

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