Results 161 to 170 of about 726,394 (339)

Adaptação portuguesa da escala de solidão social e emocional (SELSA-S) [PDF]

open access: yes, 2009
Apresenta-se no presente trabalho a avaliação psicométrica inicial da adaptação da SELSA-S de DiTommaso, Brannen e Best (2004) para a população portuguesa. Foram efectuados dois estudos.
Fernandes, Hélder, Neto, Félix
core  

Assessing the Corn Belt as an anthropogenic barrier to migrating landbirds in the United States

open access: yesConservation Biology, EarlyView.
Abstract Migrating landbirds adjust their flight and stopover behaviors to efficiently cross inhospitable geographies, such as the Gulf of Mexico and the Sahara Desert. In addition to these natural barriers, birds may increasingly encounter anthropogenic barriers created by large‐scale changes in land use. One such barrier could be the Corn Belt in the
Fengyi Guo   +7 more
wiley   +1 more source

ESCALA GEOGRÁFICA

open access: yesGEOgraphia, 2022
openaire   +2 more sources

Arquitectura híbrida : context, escala, ordre

open access: yes, 2023
The subject of this research is hybrid architecture. All architecture that is at once object, landscape and infrastructure is considered hybrid. Considering the contemporary overuse of the term hybrid¿whereby its true meaning is often diverted and confused with the simple addition of uses¿, this research intends to rescue the complexity and richness ...
openaire   +4 more sources

On the normative roles of biodiversity and naturalness in conservation

open access: yesConservation Biology, EarlyView.
Abstract Nature is an opaque concept. Consequently, the term biodiversity conservation has replaced nature conservation in most conservation contexts. We review the conceptual indeterminacies that plague the terms nature and natural but then show that comparable difficulties plague biodiversity.
David Saltz, Shlomo Cohen
wiley   +1 more source

Escala d’orientació de xarxa

open access: yes, 2012
En el marc d'una investigació més àmplia sobre transicions escolars i el paper de les xarxes socials et demanem que contestis les preguntes següents sobre les teves relacions personals. Et preguem que llegeixis amb atenció les preguntes i contestes amb sinceritat. Agraïm molt la teva col·laboració.
Sandín Esteban, Ma. Paz   +1 more
openaire   +1 more source

Exploring gaps, biases, and research priorities in the evidence for reptile conservation actions

open access: yesConservation Biology, EarlyView.
Abstract With over 21% of reptile species threatened with extinction, there is an urgent need to ensure conservation actions to protect and restore populations are informed by relevant, reliable evidence. We examined the geographic and taxonomic distribution of 707 studies that tested the effects of actions to conserve reptiles synthesized in ...
Oliver Speight   +9 more
wiley   +1 more source

El sistema solar a escala

open access: yesCiencia y Sociedad, 2003
Trazamos circunferencias y elipses. Se explican las teorías geocéntrica, heliocéntrica y las bases de las leyes de Kepler. Construimos esferas a escala representando cada planeta y luego se ubican en el espacio manteniendo la escala de sus distancias para resaltar las dimensiones del Sistema Solar El conocimiento actual que tenemos del sistema Solar ha
openaire   +3 more sources

Demanda y escalas de equivalencia: evidencia para España [PDF]

open access: yes, 2004
El objetivo de este trabajo es plantear teoricamente el estudio de los efectos que los hijos imponen sobre las decisiones de demanda del hogar (los costes de los hijos, por ejemplo), tanto desde el punto de vista dinamico como estatico, utilizando el ...
Labeaga Azcona, Jose Maria   +2 more
core  

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