Results 41 to 50 of about 287,633 (218)
The influence of rivers on seabird foraging ecology
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais +2 more
wiley +1 more source
Executive Functions and Their Relation to Academic Performance in University Students
Academic performance, dropout rates, and low graduation rates constitute an area of concern in Latin American universities that has been the topic of various studies.
Macarena V. del-Valle +4 more
doaj +1 more source
Denitrification-derived nitric oxide modulates biofilm formation in Azospirillum brasilense [PDF]
Azospirillum brasilense is a rhizobacterium that provides beneficial effects on plants when they colonize roots. The formation of complex bacterial communities known as biofilms begins with the interaction of planktonic cells with surfaces in response to
Arruebarrena Di Palma, Andrés +7 more
core +1 more source
This study applies stochastic rainfall models combining Markov Chains with gamma and mixed exponential distributions to a semi‐arid climate in Northeast Brazil. Model structures were evaluated using Bayesian Information Criterion (BIC), with maximum likelihood (MLM) for parameter estimation and cumulative distribution functions (CDFs) for validation ...
Gabriel Magno Cavalcante Calado +5 more
wiley +1 more source
Declaración de Mar del Plata. Mar del Plata, Provincia de Buenos Aires, 4 de diciembre de 2010. Declaración especial sobre la Defensa de la democracia y el orden constitucional en Iberoamérica.
Cumbre Iberoamericana
doaj
DNA barcoding suggests hidden diversity within the genus Zenopsis (Zeiformes, Zeidae) [PDF]
Currently, the genus Zenopsis, also known as silver John Dory, comprises at least five valid species with a wide range of distribution. However, recent studies have proposed the existence of a new Zenopsis species inhabiting the Indian Ocean, and a ...
Florencia Matusevich +7 more
doaj +3 more sources
Diferentes investigaciones han advertido sobre el impacto, comparativamente bajo, que presenta la formación inicial en el ejercicio profesional respecto de otras instancias formativas propias del desarrollo profesional docente. En este
Guillermo Cutrera +1 more
doaj +1 more source
Registros recientes delgasterópodo exótico Rapana venosa (Valenciennes, 1846) a lo largode la línea costera Argentina: ¿Está progresandolainvasiónhaciaelsur? [PDF]
Se presentan los registros más recientes de R. venosa a lo largo de la línea costera de Argentina (2010-2013), incluyendo el hallazgo de un individuo en la albufera Mar Chiquita (200 km al sur del Río de la Plata).
Bruno, Luis Ignacio +1 more
core
Nanocomposites with shape memory behavior based on a segmented polyurethane and magnetic nanostructures [PDF]
Shape-memory composites based on a commercial segmented polyurethane and magnetite (Fe3O4) nanoparticles(NPs) were prepared by a simple suspension casting method.
Actis, Daniel Guillermo +5 more
core +1 more source
Stemodia diplohyptoides M.M.Sosa & Dematt. and S. lobelioides Lehm. (Gratioleae, Plantaginaceae) are reported for the first time in Paraguay, found in Alto Paraná and Presidente Hayes departments, respectively. These new records extend the known geographical range of both species, representing the northern records to date, S.
Y. Carlés Bechara +4 more
wiley +1 more source

