Results 61 to 70 of about 632,303 (249)

La comercialización de pescados, frutas y hortalizas: el caso de Mercasevilla [PDF]

open access: yes, 2002
Exponemos aquí, una semblanza parcial de un estudio más amplio y en profundidad, que estamos realizando sobre diversos aspectos a considerar en relación con la evolución y los cambios habidos en los últimos veintinueve años, en
González-Limón, Myriam
core   +1 more source

Living Low and Dry: Costs of and Resilience to Soil Hydric Stress in a Fossorial Amphisbaenian Reptile

open access: yesIntegrative Zoology, EarlyView.
Soil drought imposes moderate, temporary costs on a strictly fossorial amphisbaenian reptile. However, these animals seem to cope with, at least, moderately short droughts thanks to their peculiar adaptations to living in an underground environment. ABSTRACT The physiological traits of animals can be strongly influenced by climatic fluctuations, and ...
José Martín   +5 more
wiley   +1 more source

'Cambios estructurales en las series de comercio exterior español, 1960-1997

open access: yesEkonomiaz. Revista vasca de Economía, 2006
El artículo destaca la singularidad del periodo posterior a 1986 a través de un análisis de rupturas estructurales aplicado a los flujos de exportación e importación españoles de los últimos cuatro decenios. El trabajo confirma la existencia de una nueva etapa en el comercio exterior de España a partir de la adhesión a las Comunidades Europeas, debido ...
Ana Belén Gracia Andía   +1 more
openaire   +1 more source

La movediza geopolítica del euro [PDF]

open access: yes, 2002
Los debates en torno a las divisas y los regímenes de tipo de cambio incorporan —aunque de manera confusa— agendas y preocupaciones políticas en conflicto. Un régimen monetario internacional caracterizado por unos tipos de cambio universales flotantes y
Isbell, Paul
core  

BIEN: A biodiversity informatics ecosystem advancing open and reproducible workflows for plant observation, plot and trait data

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist   +38 more
wiley   +1 more source

Entre la competitividad local y la competitividad global: floricultura comercial en el Estado de México [PDF]

open access: yes, 2007
Este estudio tiene la intención de mostrar que el impulso renovado a la producción de la flor de corte en el Estado de México, México, ha modelado un nuevo tipo de economía externa, que caracteriza el fortalecimiento de las relaciones con el mercado ...
OROZCO HERNANDEZ, MARIA ESTELA   +1 more
core  

Synthesizing beaver coexistence messaging with the capability, opportunity, and motivation behavior model

open access: yesConservation Biology, EarlyView.
Abstract In the western United States, conservation practitioners are increasingly working with private landowners to restore habitat for North American beavers (Castor canadensis) and to use nonlethal mitigation techniques when beavers damage crops and infrastructure.
Brian D. Erickson, Megan S. Jones
wiley   +1 more source

Media coverage of climate change mitigation in the spanish press [PDF]

open access: yes, 2019
This article analyzes how the Spanish press covers the mitigation of climate change. We have used the search engine MyNews to study in El País and El Mundo, the newspapers with the largest circulation in Spain during the years 2016 and 2017, the news ...
Fernández-Reyes, Rogelio   +3 more
core  

Role of freshwater availability and terrestrial land‐cover change in the distribution of a declining, terrestrial, insectivorous bird

open access: yesConservation Biology, EarlyView.
Abstract Insectivorous, Afro‐Palearctic migrant birds provide cross‐border ecosystem services, but many are declining rapidly. The complex life cycle of migrant birds makes their conservation difficult, but understanding where they spend time during the breeding season can help indicate where those actions will be most effective.
Catrin F. Eden   +5 more
wiley   +1 more source

Tasa de cambio y precios internos: un modelo de organización industrial

open access: yesRealidad, 1988
No hay resúmenes disponibles Realidad: Revista de Ciencias Sociales y Humanidades No.
José Roberto Suay
doaj   +1 more source

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