Results 21 to 30 of about 42,893 (227)

Uneven geographies: ageing and population dynamics in Latvia

open access: yesRegional Science Policy &Practice, Volume 15, Issue 4, Page 893-908, May 2023., 2023
Abstract The twin phenomena of ageing populations and declining populations are profoundly transforming societies and economies in Europe. Driven by decreasing fertility rates and the continuing increased life expectancy, populations have not been ageing uniformly across time and space.
Zaiga Krisjane   +4 more
wiley   +1 more source

Impacto ambiental en la zona metropolitana de Tehuantepec

open access: yes, 2021
A lo largo de las actividades del ser humano ha modificado su contexto para beneficio propio (edificaciones, aprovechamiento de recursos naturales) en la actualidad se observa el fuerte crecimiento de la mancha urbana y se pronostica que los años posteriores se observará este efecto. Por lo que en este trabajo tiene como objetivo describir los posibles
Ruíz Martínez, Eduardo   +1 more
openaire   +1 more source

Empirical Correlations for K‐Values of Crude Oils

open access: yesInternational Journal of Chemical Engineering, Volume 2022, Issue 1, 2022., 2022
Based on the Soave–Redlich–Kwong equation of state, empirical correlations for the K‐values of N2, CO2, H2S, C1, and C2 are proposed. Complementarily, the binary interaction coefficients involving the plus fraction, C7+, were optimized by fitting into 131 experimental data from the literature.
Jose V. Flores-Cano   +7 more
wiley   +1 more source

Polishing entire stems and roots using sandpaper under water: An alternative method for macroscopic analyses

open access: yesApplications in Plant Sciences, Volume 9, Issue 5, May 2021., 2021
Premise Polishing entire stem and root samples is an effective method for studying their anatomy; however, polishing fresh samples to preserve woods with soft tissues or barks is challenging given that soft tissues shrink when dried. We propose sanding fresh or liquid‐preserved samples under water as an alternative, given that it preserves all tissues ...
Antonio C. F. Barbosa   +4 more
wiley   +1 more source

Los límites de la ciudadanía: marcos institucionales y ordenamientos espaciales para la población indígena en la ciudad de Querétaro, México

open access: yesAntropologías del Sur, 2019
El presente artículo tiene por objetivo analizar la configuración de la ciudadanía que viven poblaciones indígenas habitantes de la ciudad de Querétaro, México.
Luisa Rodríguez
doaj   +1 more source

Zonas metropolitanas en México, 1980

open access: yesEstudios Demográficos y Urbanos, 1986
En este trabajo se explora el desarrollo metropolitano en México de1960 a1980. En primer término y mediante la aplicación de técnicas de análisis multivariado se delimitaron  26 zonas metropolitanas en el país en 1980, lo que significa un aumento importante respecto de las 12 existentes al inicio del periodo.No obstante las tendencias claras de ...
María Eugenia Negrete Salas   +1 more
openaire   +2 more sources

An unusual overrepresentation of genetic factors related to iron homeostasis in the genome of the fluorescent Pseudomonas sp. ABC1

open access: yesMicrobial Biotechnology, Volume 14, Issue 3, Page 1060-1072, May 2021., 2021
‘Pseudomonas chilensis’ strain ABC1 was fully sequenced. About 5% of the ABC1 genome is devoted to iron acquisition, including 37 ECF sigma factors. Strain ABC1 produces pyoverdine and has the genes for the production of yersiniabactin. Summary Members of the genus Pseudomonas inhabit diverse environments, such as soil, water, plants and humans.
Daniel Valenzuela‐Heredia   +6 more
wiley   +1 more source

Mapping poverty at the local level in Europe: A consistent spatial disaggregation of the AROPE indicator for France, Spain, Portugal and the United Kingdom

open access: yesRegional Science Policy &Practice, Volume 13, Issue 1, Page 63-81, February 2021., 2021
Abstract In the EU, territorial inequalities in terms of income and poverty have been broadly analysed at the national and regional levels. However, mainly due to the lack of reliable data, very little attention has been paid to territorial inequalities within European regions, namely, at a more local level, such as in metropolitan areas, cities or ...
Alberto Díaz Dapena   +3 more
wiley   +1 more source

Zona metropolitana del Valle de México: Megaciudad sin proyecto [PDF]

open access: yesCiudades, 2018
La zona metropolitana del Valle de México ocupa el territorio de tres entidades federales: Distrito Federal, Estado de México, e Hidalgo, lo que hace que sea difícil un Planeamiento conjunto.Para entender cómo es este territorio se parte de un encuadre histórico de la zona.
openaire   +4 more sources

Análisis del desarrollo económico y la desigualdad social en las metrópolis de México [PDF]

open access: yes, 2014
Con el cambio político y económico hacia formas de organización neoliberales, en el mundo se han propagado nuevas formas en que los gobiernos gestionan el territorio y sus recursos.
Cadena, Edel   +3 more
core   +1 more source

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