Browsing by Title Artículos de revistas
Now showing items 3263-3282 of 4968
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Osmoregulation and adaptive radiation in the ovenbird genus Cinclodes (Passeriformes : Furnariidae) (BLACKWELL, 2006-10)1. The genus Cinclodes is unique among passerines because it includes two species that can be considered marine/coastal and also includes several species that inhabit freshwater streams or that shift habitats between ...
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Osmoregulation and adaptive radiation in the ovenbird genus Cinclodes (Passeriformes: Furnariidae) (2006)1. The genus Cinclodes is unique among passerines because it includes two species that can be considered marine/coastal and also includes several species that inhabit freshwater streams or that shift habitats between ...
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(Elsevier, 2013)Recent experiments on shorebirds have demonstrated that maintaining an active osmoregulatory machinery is energetically expensive. This may, in part, explain diet and habitat selection in birds with salt glands. However ...
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(Sociedad de Biologia de Chile, 2007)We studied the osmoregulatory responses of the granivore Zonotrichia capensis, acclimated to high- and low-protein diets as well as two levels of water intake. We tested whether Z. capensis has the ability to modify the ...
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(Taylor & Francis, 2018)The upper Maastrichtian elasmosaurid plesiosaur Aristonectes quiriquinensis from central Chile is here redescribed following further preparation of the holotype. New cranial characters include a flattened skull with a ...
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(SPRINGER, 2007-03)Most studies on the fitness advantage of outbreeding in host–parasite systems have been assessed from the host rather than the parasite perspective. Here, we performed experimental pollination treatments to evaluate the ...
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(2007)Most studies on the fitness advantage of outbreeding in host-parasite systems have been assessed from the host rather than the parasite perspective. Here, we performed experimental pollination treatments to evaluate the ...
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(Elsevier, 2020)Based on discussions held at a workshop in Bra-Pollenzo, Italy, this paper elaborates upon 19 outstanding questions of plasma physics in the Earth’s magnetosphere. The questions are grouped according to (a) driving processes, ...
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(Oxford University Press, 2018)
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(1996)Objective: There is no endocrine test which is completely reliable for the confirmation of Cushing's syndrome and in separation of the various aetiologies. We have tested the hypothesis that overnight dexamethasone ...
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(Elsevier, 2015)The cryptic concept refers to two or more species that have been classified as a single nominal species due to the fact that they are apparently morphologically indistinguishable. In recent years, the development of ...
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(2003)This paper describes the history of cephalopod fisheries in Chile over the past 40 years. Continuous monitoring of three species was undertaken between 1978 and 1999: Loligo gahi, Dosidicus gigas and Octopus mimus. Total ...
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(Blackwell, 2019)How animal-pollinated plants support low and stochastic pollination in the high alpine is a key question in plant ecology. The ovule bet-hedging hypothesis proposes compensation for stochastic pollination via ovule oversupply ...
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(Springer, 2016)In this study, a glassy carbon electrode modified with different cobalt glucosamines (CoGlu-R), iron glucosamines (FeGlu-R), and nickel glucosamines (NiGlu-R) was used for the electroanalytical determination of melatonin ...
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(1991)The reaction of molecular oxygen with several 2,4-disubstituted oxazolones (3a-3g) is studied in the present paper. It is shown that oxygen may induce oxidative dimerization to dehydrodimers (7a-7g) via the mesoionic form ...
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(1996)The binding energies of Li (1s) electron in a series of lithium salts, the metal, and lithium intercalated in molybdenum sulfide measured with respect to Au (4f7/2) agree with both the expected ionic character and oxidation ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2004-06-01)Oxidative stress has been demonstrated to produce modifications in several intracellular proteins that lead to alterations in their activities. Alzheimer's disease is related to an increase of oxidative stress markers, ...
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(2004)Oxidative stress has been demonstrated to produce modifications in several intracellular proteins that lead to alterations in their activities. Alzheimer's disease is related to an increase of oxidative stress markers, ...
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(2011)During the 1H NMR study of the photoreduction of aza-oxoisoaporphines, aza-OIAs, (7H-benzo[e]perimidin-7-ones) by amines we found an unexpected H/D isotopic exchange in the aromatic positions 4 and 6 of these molecules. ...
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(Elsevier Ltd., 2011-10-12)The study examined weekdayeweekend differences in ozone, NOx (NO and NO2) and VOC concentrations in Santiago, Chile, from 1999 to 2007. The results provide evidence for the occurrence of an atmospheric phenomenon that ...