Results 21 to 30 of about 28,722 (229)

Perception of Green Spaces Preparedness and Accessibility During COVID-19: An Exploratory Survey in Two Mid-Sized Chilean Cities

open access: yesFrontiers in Sustainable Cities, 2022
Urban green spaces have shown to be beneficial for the physical and mental wellbeing of the general population—which particularly holds true during an unprecedented, stressful situation such as the COVID-19 pandemic.
Carolina Rojas Quezada   +5 more
doaj   +1 more source

Innovating Traditional Production Systems Through On-Farm Conservation Agriculture and Agroforestry Research

open access: yesFrontiers in Agronomy, 2022
Maize (Zea mays L.), the staple crop of Mexico, is often produced by smallholder farmers on sloping terrains. Historically, little agronomic research has been performed under the conditions of these farmers to support them in the sustainable ...
Simon Fonteyne   +8 more
doaj   +1 more source

Densidad poblacional y características del hábitat del chorlo llanero (Charadrius montanus) en sus sitios invernales en el noreste de México

open access: yesHuitzil, 2023
El chorlo llanero (Charadrius montanus) habita principalmente los pastizales bajos de Norteamérica, donde cuyas poblaciones han disminuido debido a la pérdida de su hábitat.
Gabriel Ruiz Ayma   +6 more
doaj   +1 more source

El desarrollo urbano sustentable en América Latina 1986-2016: lecciones para la década 2020-2030 [PDF]

open access: yes, 2021
Se analiza la evolución del enfoque de Desarrollo Urbano Sustentable (DUS) en materias de planificación en América Latina durante el periodo 1966-2016.
Barton, Jonathan R., Álvarez, Rodrigo
core   +1 more source

Fostering a participatory process for ecological restoration of mangroves in Pantanos de Centla Biosphere Reserve (Tabasco, Mexico)

open access: yesEcosystems and People, 2022
Ecosystem restoration is becoming an urgent global priority to recover degraded areas, especially in tropical regions. Social participation is fundamental for the success of restoration processes, but it needs to be better documented.
Pilar Angélica Gómez-Ruiz   +5 more
doaj   +1 more source

Ecoindicators: An R Package for the Identification of Indicator Taxonomic Units

open access: yesJournal of Open Research Software, 2023
The sensitivity of some taxonomic groups to environmental conditions allows for their use as ecological state indicators. In ecological communities, this analysis is of interest to know which species or taxa are indicators of particular environment ...
Andrés Esteban Duhour   +8 more
doaj   +1 more source

PYMES y Desarrollo Sustentable

open access: yesManagement Review, 2020
El objetivo de este trabajo es tratar de dar respuesta a la interrogantesiguiente: Comparando con las empresas grandes ¿Se esperaba de parte de las pymes un comportamiento distinto respecto a los problemas ambientalesy sociales?.
Gerardo Vera Muñoz   +2 more
openaire   +2 more sources

El sueño frustrado del Anillo Verde Periurbano en Santiago de Chile

open access: yesInvestigaciones Geográficas, 2017
Santiago de Chile ha sufrido un fuerte crecimiento y rápida expansión, pasando de ser una ciudad compacta a principios del siglo XX, a una ciudad difusa en la actualidad.
Jonathan Uri Colodro Gotthelf   +1 more
doaj   +1 more source

Rooting of Wild Blueberry (Vaccinium spp.) Cuttings From the Peruvian Northeast

open access: yesActa Agrobotanica, 2021
The objective of this study was to evaluate the effect of indole-3-butyric acid (IBA) on the rooting of five wild accessions of blueberry (HCHA-262, HCHA-271, HCHA-283, HCHA-286, and HCHA-290) obtained from natural populations in the province of ...
José Jesús Tejada-Alvarado   +4 more
doaj   +1 more source

Remoción de partículas adsorbentes de iones cobre por flotación Jet

open access: yesRevista de Metalurgia, 2009
Los resultados que se presentan en este artículo corresponden a los estudios realizados para la remoción de iones cobre desde efluentes sintéticos, utilizando la técnica de flotación por partículas adsorbentes (FPA) en una celda de flotación Jet (tipo ...
M. Santander   +4 more
doaj   +1 more source

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