Results 41 to 50 of about 15,785 (257)

Evaluación técnico-visual de la vulnerabilidad física de estructuras ante sismos y lahares. Caso de estudio Barrio Selva Alegre-Sangolquí-Pichincha

open access: yesRevista Eídos
Este estudio determina, a partir de una evaluación técnico-visual, el riesgo de las estructuras ubicadas en el barrio Selva Alegre, específicamente en la zona comprendida entre las calles Ramón González Artigas, Francisco Guarderas, Antonio Checa y Juan
Jessica Cristina Castro Vidal   +2 more
doaj   +1 more source

Análisis constructivo y estructural de la catedral de Valencia

open access: yesInformes de la Construccion, 2016
Las características constructivas de la catedral de Valencia la convierten en un ejemplo representativo del gótico mediterráneo: reducida esbeltez, escasa diferencia de altura entre las naves y limitadas dimensiones de huecos.
V. Llopis Pulido   +3 more
doaj   +1 more source

Agricultural and environmental drivers of variation in the composition of food crops: A scoping review

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural management and environmental conditions influence the biochemical composition of food crops; however, the specific drivers of this variation remain insufficiently understood, despite their importance for climate change adaptation and human health.
Kat Morgan   +24 more
wiley   +1 more source

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz   +2 more
wiley   +1 more source

Waves of range dynamics and gene flow characterize the biogeographic history of Litsea elongata, a dominant tree in East Asian evergreen broadleaved forests

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Evergreen broadleaved forests (EBLFs) represent an iconic vegetation type in subtropical montane East Asia, but they are experiencing intensifying anthropogenic pressure and increasing habitat fragmentation. Here, using a dominant and widespread tree species characteristic of East Asian EBLFs, we examine its phylogeographic history and evaluate what it
Sheng‐Yuan Qin   +7 more
wiley   +1 more source

Diseño y análisis de dos tipologías estructurales para su utilización como estructuras auxiliares en el diseño de jardines

open access: yesInformes de la Construccion, 2009
En jardinería en general y más en particular en el diseño de jardines y parques urbanos, se plantea la necesidad de introducir estructuras auxiliares útiles para el cobijo de sus usuarios frente a la radiación solar en determinados momentos del día ...
J. A. López   +3 more
doaj   +1 more source

According to whom? Spousal, household, and plot differences in improved cassava variety adoption in Nigeria

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural innovations underpin most investments that aim to increase agricultural productivity globally. Improved crop varieties have historically constituted the bulwark of agricultural innovation outputs and are credited with the success of large‐scale interventions such as the Green Revolution. Much research has shown, however, that gender shapes
Jing Yi   +3 more
wiley   +1 more source

Dos décadas de estructuras plegadas de hormigón. Inicio y ocaso de un movimiento

open access: yesInformes de la Construccion, 2013
En este trabajo se trata de la evolución y realizaciones más destacadas con estructuras formadas por plegaduras o facetas de hormigón armado. Se indagan los orígenes de su cálculo y aplicaciones y se ofrece una panorámica de lo realizado entre 1950 y ...
R. García
doaj   +1 more source

Brazil seed transfer zones: Supporting seed sourcing for climate‐resilient ecosystem restoration

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Brazil has tens of millions of hectares of degraded land that must be restored to meet national and global biodiversity and climate goals. Sowing genetically diverse native seeds is key to restoring degraded lands to climate‐resilient landscapes, but we still lack guidance on how to effectively match seed sources to restoration sites across broad ...
Mateus Silva   +17 more
wiley   +1 more source

Informe pericial de un caso de choque de embarcación contra un muelle en Paraguay

open access: yesRevista ALCONPAT, 2011
Un muelle que facilita la descarga de GLP (gas licuado de petróleo) en la ciudad de San Antonio, Paraguay, fue impactado por una barcaza en proceso de maniobras.
Paulo Yugovich, G. A. Melgarejo
doaj   +1 more source

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