Results 41 to 50 of about 29,377 (182)

Health related quality of life of the elderly population in a rural and urban area of Peru

open access: yesRevista Peruana de Medicina Experimental y Salud Pública, 2016
Objectives. To assess the health related quality of life in a sample of elderly population in a rural and urban Peruvian area. Materials and methods. A cross-sectional study was performed in elderly population from four rural districts and one urban from
Jean Hernandez-Huayta   +2 more
doaj   +1 more source

Un análisis econométrico de los seguros privados en la población urbana y rural en México.

open access: yesRevista Galega de Economía, 2021
El objetivo de este trabajo es identificar los factores que afectan a la compra de un seguro privado en México, tanto en la población rural como en la urbana. Se ha estimado un modelo logístico con múltiples variables explicativas que se han obtenido de
José Carlos González Núñez   +1 more
doaj   +1 more source

Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve

open access: yesIbis, Volume 167, Issue 4, Page 927-944, October 2025.
Hummingbirds play an important role as pollinators and are one of the primary examples of animal–plant coevolution. However, factors such as land‐use change, urbanization, exotic species introductions and the disappearance of native plants can negatively affect the persistence of hummingbird populations.
Gonzalo A. Ramírez‐Cruz   +4 more
wiley   +1 more source

Expansão urbana em San José, Costa Rica: da formação da metrópole à verticalização [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas, Programa de Pós-Graduação em Geografia, Florianópolis, 2014.O presente trabalho tem como objetivo geral analisar as principais dinâmicas e processos ...
Acosta, Sabrine Schnell
core  

Las costas mexicanas y su crecimiento urbano

open access: yesInvestigaciones Geográficas, 1999
El enorme crecimiento urbano registrado en las costas mexicanas, en el periodo 1900 - 1995, ha seguido un proceso sin precedente en el cual los movimientos migratorios internos juegan un papel destacado en la distribución espacial de la población urbana
María Teresa Gutiérrez de MacGregor   +1 more
doaj  

Reduced Offspring Viability Is Associated With Long‐Term Stability of a Narrow Avian Hybrid Zone

open access: yesEcology and Evolution, Volume 15, Issue 9, September 2025.
We investigated hybrid viability in a tropical, avian hybrid zone governed by strong selection on male secondary sexual traits between the white‐collared manakin (Manacus candei) and golden‐collared manakin (M. vitellinus). We assessed putative hybrid fitness by investigating adult survival and hatching success along with a prospective selective ...
Kira M. Long   +5 more
wiley   +1 more source

Estudio sobre la distribución espacial de la población en Colombia [PDF]

open access: yes, 2003
Incluye BibliografíaResumen El territorio colombiano tuvo una profunda transformación en el siglo XX: predominantemente rural, con baja densidad, pequeñas ciudades difícilmente comunicadas entre sí y poco jerarquizadas en la década de 1930; en plena ...
Murad, Rocío
core  

Prevalencia de algunos factores de riesgo cardiovascular en dos poblaciones de Huaraz (3 100 m sobre el nivel del mar)

open access: yesActa Médica Peruana, 2007
Objetivo: estudiar la prevalencia de algunos factores de riesgo cardiovascular (FRC) en adultos nativos de altura del distrito de Huaraz-Ancash (3 100 m sobre el nivel del mar).
Douglas López de Guimaraes   +3 more
doaj  

Urban developmental environments alter tadpole phenotypes depending on origin

open access: yesJournal of Animal Ecology, Volume 94, Issue 9, Page 1707-1719, September 2025.
Urbanisation has rapidly altered the ecological and evolutionary contexts for many species. Using a reciprocal transplant experiment with frog larvae, we find that urban environments can alter morphological, developmental and behavioural traits at both ecological and evolutionary scales.
Andrew D. Cronin   +3 more
wiley   +1 more source

Including the urbanization gradient in people‐centered wildlife conservation in Amazonia

open access: yesConservation Biology, Volume 39, Issue 3, June 2025.
Abstract Conservation policy in the Amazon traditionally focuses on rural areas, overlooking the socioecological roles of urban populations. This oversight can hinder sustainability by neglecting rural–urban connections. We compared the prevalence and quantity of wild meat consumed, bartered, and traded commercially in rural, peri‐urban, and urban ...
Lísley P. Lemos   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy