Browsing by Title Artículos de revistas
Now showing items 4912-4931 of 4968
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(2014)Birds still share many traits with their dinosaur ancestors, making them the best living group to reconstruct certain aspects of non-avian theropod biology. Bipedal, digitigrade locomotion and parasagittal hindlimb movement ...
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(Soc Biolgia Chile, 2021)The source of Darwin’s illness has been a contentious issue in the literature for almost 70 years. Different causal factors have been invoked to account for his symptoms, including Chagas disease. The Chagas hypothesis ...
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(Naturalis Biodiversity Center, 2015)The structural origin of the vertebrates' paired limbs is still an unsolved problem. Historically, two hypotheses have been raised to explain the origin of vertebrate limbs: the Archipterygium Hypothesis and the Fin Fold ...
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(ELSEVIER, 2006-08)We investigated the intraspecific variation in basal metabolic rate (BMR) and total evaporative water loss (TEWL) in the omnivorous passerine Zonotrichia capensis from two populations inhabiting regions with different ...
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(GAUTHIER-VILLARS/EDITIONS ELSEVIER, 2008-08)Plant tolerance is the ability to reduce the negative impact of herbivory on plant fitness. Numerous studies have shown that plant tolerance is affected by nutrient availability, but the effect of soil moisture has received ...
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(AMER SOC MICROBIOLOGY, 2008-03)The aim of this study was to assess the occurrence of mutualistic interactions between the fungus Trichoderma harzianum and two wheat genotypes, Triticum aestivum cv. Talhuen and T. turgidum subsp. durum cv. Alifen, and ...
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Water economy of three Cinclodes (Furnariidae) species inhabiting marine and freshwater ecosystems (SOCIEDAD BIOLOGIA CHILE, 2004-06)Birds living in desert environments have been the preferred models for the study of physiological adaptations to water scarcity. Passerine birds living in marine coastal habitats face similar problems, yet physiological ...
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(Wiley, 2020)Population connectivity has a fundamental role in metapopulation dynamics, with important implications in conservation. Easter Island (EI) and Salas y Gomez Island (SG) in the Pacific Ocean are ideal for the study of ...
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(American Geophysical Union, 2015)In the dawn sector, L approximate to 5.5 and MLT approximate to 4-7, from 01:30 to 06:00UT during the 14 November 2012 geomagnetic storm, both Van Allen Probes observed an alternating sequence of locally quiet and disturbed ...
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(Blackwell Publishing Ltd, 2015)© 2015. American Geophysical Union. All Rights Reserved.In the dawn sector, L ∼ 5.5 and MLT ∼ 4-7, from 01:30 to 06:00 UT during the 14 November 2012 geomagnetic storm, both Van Allen Probes observed an alternating sequence ...
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(2014-02-01)We study the wave¨Cparticle interaction and the evolution of electromagnetic waves propagating through a solarwind- like plasma composed of cold electrons, isotropic protons, and a small portion of drifting anisotropic ...
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(Elsevier Ltd, 1998)Using a "summable" dichotomy and fixed-point theorems, we prove the existence of convergent and bounded solutions of nonlinear difference systems. © 1998 Elsevier Science Ltd. All rights reserved.
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(Elsevier, 2016)This paper deals with a systematic study of the convolution operator Kf = f (*) k defined on weighted pseudo almost periodic functions space PAP(X, rho) and with k is an element of L-1(R). Upon making several different ...
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(Elsevier, 2016)© 2016 Elsevier B.V. The main objective of this article is to analyse the relationship between human well-being (HWB) and ecosystem services (ES). We studied the Río Cruces watershed (Chile) as a social-ecological system ...
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(2007)Female fecundity increases with body size in a variety of insects, but it is unknown if this generalization applies for kissing bugs. In this study, we evaluate whether gonad weight in, the bloodsucking insect Mepraia ...
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(COMPANY OF BIOLOGISTS LTD, 2006-10-15)The transition from trot to gallop in quadruped mammals has been widely hypothesized to be a strategy to minimize the energetic costs of running. This view, however, has been challenged by some experimental evidence ...
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(Springer Netherlands, 2019)Over the last few decades climate change has been gaining importance in international scientific and political debates. However, the social sciences, especially in Latin America, have only lately become interested in the ...
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(Taylor and Francis Ltd., 2019)The central limit theorem indicates that when the sample size goes to infinite, the sampling distribution of means tends to follow a normal distribution; it is the basis for the most usual confidence interval and sample ...
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(Universidad Sao Paulo, 2020)Objective: to explore the best type of curve or trend model that could explain the epidemiological behavior of the infection by COVID-19 and derive the possible causes that contribute to explain the corresponding model and ...
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(American Society for Microbiology, 2013)© 2013 Marcoleta et al. Here, we report the draft genome sequence of the Gram-negative strain Klebsiella pneumoniae RYC492, which produces the amyloid-forming and antibacterial peptide microcin E492. The sequenced genome ...
