Results 151 to 160 of about 54,954 (289)
Journal of Zoology, EarlyView.In this study we tested the effects of insularity on amphibian colouration using the fire salamander as a model system. Although increased melanism was not a consistent pattern across all islands, salamanders from one island exhibited higher proportions of black pigmentation than mainland populations, while insular populations overall showed reduced ...
L. Alarcón‐Ríos +2 more
wiley +1 more source
Costos de cambio en el mercado mexicano de telefonía de larga distancia [PDF]
, 2004 En diversos mercados, los consumidores enfrentan costos al cambiar de proveedor de bienes y servicios. De tal forma, los costos de cambio otorgan a las empresas un poder de mercado sobre su base histórica de clientes.
Villegas, Gabriel
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Elevation shapes alpine snow algal blooms and their influence on albedo reduction
New Phytologist, EarlyView.Graphical summary of elevational trends in Sanguina‐dominated snow algal blooms. Increasing elevation was associated with larger cells, lower Chla content per cell, higher astaxanthin ratios, lower snow water content, and reduced cell‐normalized albedo, whereas algal cell density showed no consistent elevational trend.
Pablo Almela +5 more
wiley +1 more source
Modelagem de um Instrumento de Medida de Avaliação do ENADE fundamentado na Teoria de Resposta ao Item (TRI): desenho para o MEES [PDF]
, 2012 O objetivo geral deste artigo é apresentar uma modelagem de um instrumento de medida de avaliação para o ENADE fundamentada na TRI e, especificamente, propõe-se um desenho para o Mapa Estratégico da Educação Superior (MEES).
Oliveira, Cristine Correa +5 more
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New Phytologist, EarlyView.Community‐level fitted relationship between spatial association Lij and trait dissimilarity (tDij) at the fine spatial scale (r = 40 mm; where r represents the radius around individuals of the focal species). Summary Predicting coexistence in species‐rich plant communities requires understanding the role of functional traits in species interactions and
Ezequiel Antorán +6 more
wiley +1 more source
Correo Científico Médico, 2014 El mundo actual experimenta un cambio acelerado. La industria de la información es un exponente importante de dicho cambio. Con el objetivo de ilustrar este proceso y analizar sus consecuencias más importantes para la publicación en salud de Cuba, se ...
Ruben Cañedo Andalia +2 more
doaj
Plant Biology, EarlyView.Genotyping‐by‐sequencing data reveal six well‐defined clades in the endangered Diplotaxis ibicensis, endemic to the western Mediterranean Basin and indicate rapid and recurrent long‐distance colonisations across the Balearic Islands and the eastern Iberian coast despite the absence of dispersal syndromes.
L. Bezares +6 more
wiley +1 more source
Jorge Luis Borges' Medieval Aesthetics of Failure
Critical Quarterly, EarlyView.
Irina Dumitrescu
wiley +1 more source
Plant Biology, EarlyView.Expression of genetic differences depends on the experimental environment as seen in flowering time differences between ancestors and descendants that emerge in climate chambers but not in greenhouse or garden conditions. Abstract Common‐environment experiments are important to study genetically based phenotypic variation within and among plant ...
P. Karitter +6 more
wiley +1 more source
There Is Always a Bigger Fish. Determinants of Power Perceptions in Swiss Biodiversity Policy
Policy Studies Journal, EarlyView.ABSTRACT The Advocacy Coalition Framework (ACF) views power as crucial in policy processes, but the nature of coalition power, its determinants, and how to empirically measure it remain understudied. In this article, we use a mixed method approach and social network analysis to explore power relationships in the biodiversity policy subsystem in ...
Alix d'Agostino +2 more
wiley +1 more source